Upgrade bleve from v2.0.6 to v2.3.0 (#18132)

2022-01-01 16:26:27 +08:00 · 2022-01-01 16:26:27 +08:00 · 25a290e320
commit 25a290e320
parent 1a4e2bfcd1
70 changed files with 1283 additions and 660 deletions
--- a/go.mod
+++ b/go.mod
@ -16,11 +16,10 @@ require (
 	github.com/NYTimes/gziphandler v1.1.1
 	github.com/ProtonMail/go-crypto v0.0.0-20210705153151-cc34b1f6908b // indirect
 	github.com/PuerkitoBio/goquery v1.7.0
-	github.com/RoaringBitmap/roaring v0.9.1 // indirect
 	github.com/alecthomas/chroma v0.9.4
 	github.com/andybalholm/brotli v1.0.3 // indirect
 	github.com/andybalholm/cascadia v1.2.0 // indirect
-	github.com/blevesearch/bleve/v2 v2.0.6
+	github.com/blevesearch/bleve/v2 v2.3.0
 	github.com/boombuler/barcode v1.0.1 // indirect
 	github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b // indirect
 	github.com/caddyserver/certmagic v0.14.1
--- a/go.sum
+++ b/go.sum
@ -62,7 +62,6 @@ github.com/Azure/go-ntlmssp v0.0.0-20200615164410-66371956d46c h1:/IBSNwUN8+eKzU
 github.com/Azure/go-ntlmssp v0.0.0-20200615164410-66371956d46c/go.mod h1:chxPXzSsl7ZWRAuOIE23GDNzjWuZquvFlgA8xmpunjU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/Julusian/godocdown v0.0.0-20170816220326-6d19f8ff2df8/go.mod h1:INZr5t32rG59/5xeltqoCJoNY7e5x/3xoY9WSWVWg74=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
 github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
 github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
@ -82,12 +81,9 @@ github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tN
 github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
-github.com/RoaringBitmap/gocroaring v0.4.0/go.mod h1:NieMwz7ZqwU2DD73/vvYwv7r4eWBKuPVSXZIpsaMwCI=
-github.com/RoaringBitmap/real-roaring-datasets v0.0.0-20190726190000-eb7c87156f76/go.mod h1:oM0MHmQ3nDsq609SS36p+oYbRi16+oVvU2Bw4Ipv0SE=
 github.com/RoaringBitmap/roaring v0.4.23/go.mod h1:D0gp8kJQgE1A4LQ5wFLggQEyvDi06Mq5mKs52e1TwOo=
-github.com/RoaringBitmap/roaring v0.7.3/go.mod h1:jdT9ykXwHFNdJbEtxePexlFYH9LXucApeS0/+/g+p1I=
-github.com/RoaringBitmap/roaring v0.9.1 h1:5PRizBmoN/PfV17nPNQou4dHQ7NcJi8FO/bihdYyCEM=
-github.com/RoaringBitmap/roaring v0.9.1/go.mod h1:h1B7iIUOmnAeb5ytYMvnHJwxMc6LUrwBnzXWRuqTQUc=
+github.com/RoaringBitmap/roaring v0.9.4 h1:ckvZSX5gwCRaJYBNe7syNawCU5oruY9gQmjXlp4riwo=
+github.com/RoaringBitmap/roaring v0.9.4/go.mod h1:icnadbWcNyfEHlYdr+tDlOTih1Bf/h+rzPpv4sbomAA=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
@ -154,41 +150,43 @@ github.com/bits-and-blooms/bitset v1.2.0 h1:Kn4yilvwNtMACtf1eYDlG8H77R07mZSPbMjL
 github.com/bits-and-blooms/bitset v1.2.0/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
 github.com/blevesearch/bleve/v2 v2.0.1/go.mod h1:OBP2Pktqik8vEiUlGhuWjYx7KiO4zD542+DHqICwM5w=
-github.com/blevesearch/bleve/v2 v2.0.6 h1:2dV2S4pyUqQHftUFzM0htUCWC8MeRg2qsmgIvjnKlgU=
-github.com/blevesearch/bleve/v2 v2.0.6/go.mod h1:UhqLjgDhN4mji6F1dL3fPghcqaBV6r6bXwKCdaBa3Is=
-github.com/blevesearch/bleve_index_api v1.0.0 h1:Ds3XeuTxjXCkG6pgIwWDRyooJKNIuOKemnN0N0IkhTU=
+github.com/blevesearch/bleve/v2 v2.3.0 h1:5XKlSdpcjeJdE7n0FUEDeJRJwLuhPxq+k5n7h5UaJkg=
+github.com/blevesearch/bleve/v2 v2.3.0/go.mod h1:egW/6gZEhM3oBvRjuHXGvGb92cKZ9867OqPZAmCG8MQ=
 github.com/blevesearch/bleve_index_api v1.0.0/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
+github.com/blevesearch/bleve_index_api v1.0.1 h1:nx9++0hnyiGOHJwQQYfsUGzpRdEVE5LsylmmngQvaFk=
+github.com/blevesearch/bleve_index_api v1.0.1/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
 github.com/blevesearch/go-porterstemmer v1.0.3 h1:GtmsqID0aZdCSNiY8SkuPJ12pD4jI+DdXTAn4YRcHCo=
 github.com/blevesearch/go-porterstemmer v1.0.3/go.mod h1:angGc5Ht+k2xhJdZi511LtmxuEf0OVpvUUNrwmM1P7M=
-github.com/blevesearch/mmap-go v1.0.2 h1:JtMHb+FgQCTTYIhtMvimw15dJwu1Y5lrZDMOFXVWPk0=
 github.com/blevesearch/mmap-go v1.0.2/go.mod h1:ol2qBqYaOUsGdm7aRMRrYGgPvnwLe6Y+7LMvAB5IbSA=
+github.com/blevesearch/mmap-go v1.0.3 h1:7QkALgFNooSq3a46AE+pWeKASAZc9SiNFJhDGF1NDx4=
+github.com/blevesearch/mmap-go v1.0.3/go.mod h1:pYvKl/grLQrBxuaRYgoTssa4rVujYYeenDp++2E+yvs=
 github.com/blevesearch/scorch_segment_api v1.0.0 h1:BUkCPWDg2gimTEyVDXf85I2buqqt4lh28uaVMiJsIYk=
 github.com/blevesearch/scorch_segment_api v1.0.0/go.mod h1:KgRYmlfYC27NeM6cXOHx8LBgq7jn0atpV8mVWoBKBng=
-github.com/blevesearch/scorch_segment_api/v2 v2.0.1 h1:fd+hPtZ8GsbqPK1HslGp7Vhoik4arZteA/IsCEgOisw=
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 github.com/blevesearch/upsidedown_store_api v1.0.1 h1:1SYRwyoFLwG3sj0ed89RLtM15amfX2pXlYbFOnF8zNU=
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-github.com/blevesearch/vellum v1.0.5 h1:L5dJ7hKauRVbuH7I8uqLeSK92CPPY6FfrbAmLhAug8A=
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 github.com/blevesearch/zapx/v11 v11.1.10/go.mod h1:DTjbcBqrr/Uo82UBilDC8lEew42gN/OcIyiTNFtSijc=
-github.com/blevesearch/zapx/v11 v11.2.1 h1:udluDHdr99gGSeL3vZLtJbML0OJ98mK1Peivtm5OYho=
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-github.com/blevesearch/zapx/v15 v15.2.1/go.mod h1:pUCN72ZJkVd7dU9lA4Fd8E3+fl5wv3JPpThk4FQ5bpA=
+github.com/blevesearch/zapx/v15 v15.3.2 h1:OZNE4CQ9hQhnB21ySC7x2/9Q35U3WtRXLAh5L2gdCXc=
+github.com/blevesearch/zapx/v15 v15.3.2/go.mod h1:C+f/97ZzTzK6vt/7sVlZdzZxKu+5+j4SrGCvr9dJzaY=
 github.com/boombuler/barcode v1.0.1-0.20190219062509-6c824513bacc/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=
 github.com/boombuler/barcode v1.0.1 h1:NDBbPmhS+EqABEs5Kg3n/5ZNjy73Pz7SIV+KCeqyXcs=
 github.com/boombuler/barcode v1.0.1/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=
@ -240,6 +238,7 @@ github.com/couchbase/goutils v0.0.0-20201030094643-5e82bb967e67/go.mod h1:BQwMFl
 github.com/couchbase/goutils v0.0.0-20210118111533-e33d3ffb5401 h1:4KDlx3vjalrHD/EfsjCpV91HNX3JPaIqRtt83zZ7x+Y=
 github.com/couchbase/goutils v0.0.0-20210118111533-e33d3ffb5401/go.mod h1:BQwMFlJzDjFDG3DJUdU0KORxn88UlsOULuxLExMh3Hs=
 github.com/couchbase/moss v0.1.0/go.mod h1:9MaHIaRuy9pvLPUJxB8sh8OrLfyDczECVL37grCIubs=
+github.com/couchbase/moss v0.2.0/go.mod h1:9MaHIaRuy9pvLPUJxB8sh8OrLfyDczECVL37grCIubs=
 github.com/couchbase/vellum v1.0.2/go.mod h1:FcwrEivFpNi24R3jLOs3n+fs5RnuQnQqCLBJ1uAg1W4=
 github.com/cpuguy83/go-md2man v1.0.10 h1:BSKMNlYxDvnunlTymqtgONjNnaRV1sTpcovwwjF22jk=
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
@ -276,14 +275,12 @@ github.com/dsnet/golib v0.0.0-20171103203638-1ea166775780/go.mod h1:Lj+Z9rebOhdf
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
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@ -1020,7 +1017,6 @@ github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 h1:OdAsTTz6O
 github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
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@ -1099,7 +1095,6 @@ github.com/spf13/viper v1.7.1 h1:pM5oEahlgWv/WnHXpgbKz7iLIxRf65tye2Ci+XFK5sk=
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 github.com/steveyen/gtreap v0.1.0/go.mod h1:kl/5J7XbrOmlIbYIXdRHDDE5QxHqpk0cmkT7Z4dM9/Y=
 github.com/streadway/amqp v0.0.0-20190404075320-75d898a42a94/go.mod h1:AZpEONHx3DKn8O/DFsRAY58/XVQiIPMTMB1SddzLXVw=
@ -1540,7 +1535,6 @@ golang.org/x/tools v0.0.0-20200729194436-6467de6f59a7/go.mod h1:njjCfa9FT2d7l9Bc
 golang.org/x/tools v0.0.0-20200804011535-6c149bb5ef0d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20200825202427-b303f430e36d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20200904185747-39188db58858/go.mod h1:Cj7w3i3Rnn0Xh82ur9kSqwfTHTeVxaDqrfMjpcNT6bE=
-golang.org/x/tools v0.0.0-20200928182047-19e03678916f/go.mod h1:z6u4i615ZeAfBE4XtMziQW1fSVJXACjjbWkB/mvPzlU=
 golang.org/x/tools v0.0.0-20200929161345-d7fc70abf50f/go.mod h1:z6u4i615ZeAfBE4XtMziQW1fSVJXACjjbWkB/mvPzlU=
 golang.org/x/tools v0.0.0-20201110124207-079ba7bd75cd/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20201124115921-2c860bdd6e78/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
--- a/modules/indexer/code/bleve.go
+++ b/modules/indexer/code/bleve.go
@ -424,7 +424,7 @@ func (b *BleveIndexer) Search(repoIDs []int64, language, keyword string, page, p

 	}
 	languagesFacet := result.Facets["languages"]
-	for _, term := range languagesFacet.Terms {
+	for _, term := range languagesFacet.Terms.Terms() {
 		if len(term.Term) == 0 {
 			continue
 		}
--- a/vendor/github.com/RoaringBitmap/roaring/arraycontainer.go
+++ b/vendor/github.com/RoaringBitmap/roaring/arraycontainer.go
@ -403,7 +403,7 @@ func (ac *arrayContainer) iorRun16(rc *runContainer16) container {
 		var result container
 		result = ac
 		for _, run := range rc.iv {
-			result = result.iaddRange(int(run.start), int(run.start)+int(run.length))
+			result = result.iaddRange(int(run.start), int(run.start)+int(run.length)+1)
 		}
 		return result
 	}
--- a/vendor/github.com/RoaringBitmap/roaring/fastaggregation.go
+++ b/vendor/github.com/RoaringBitmap/roaring/fastaggregation.go
@ -33,15 +33,6 @@ main:
 				s2 = x2.highlowcontainer.getKeyAtIndex(pos2)
 			} else {
 				c1 := x1.highlowcontainer.getContainerAtIndex(pos1)
-				switch t := c1.(type) {
-				case *arrayContainer:
-					c1 = t.toBitmapContainer()
-				case *runContainer16:
-					if !t.isFull() {
-						c1 = t.toBitmapContainer()
-					}
-				}
-
 				answer.highlowcontainer.appendContainer(s1, c1.lazyOR(x2.highlowcontainer.getContainerAtIndex(pos2)), false)
 				pos1++
 				pos2++
@ -89,18 +80,7 @@ main:
 				}
 				s2 = x2.highlowcontainer.getKeyAtIndex(pos2)
 			} else {
-				c1 := x1.highlowcontainer.getContainerAtIndex(pos1)
-				switch t := c1.(type) {
-				case *arrayContainer:
-					c1 = t.toBitmapContainer()
-				case *runContainer16:
-					if !t.isFull() {
-						c1 = t.toBitmapContainer()
-					}
-				case *bitmapContainer:
-					c1 = x1.highlowcontainer.getWritableContainerAtIndex(pos1)
-				}
-
+				c1 := x1.highlowcontainer.getWritableContainerAtIndex(pos1)
 				x1.highlowcontainer.containers[pos1] = c1.lazyIOR(x2.highlowcontainer.getContainerAtIndex(pos2))
 				x1.highlowcontainer.needCopyOnWrite[pos1] = false
 				pos1++
--- a/vendor/github.com/RoaringBitmap/roaring/go.mod
+++ b/vendor/github.com/RoaringBitmap/roaring/go.mod
@ -3,8 +3,6 @@ module github.com/RoaringBitmap/roaring
 go 1.14

 require (
-	github.com/RoaringBitmap/gocroaring v0.4.0
-	github.com/RoaringBitmap/real-roaring-datasets v0.0.0-20190726190000-eb7c87156f76 // indirect
 	github.com/bits-and-blooms/bitset v1.2.0
 	github.com/mschoch/smat v0.2.0
 	github.com/stretchr/testify v1.4.0
--- a/vendor/github.com/RoaringBitmap/roaring/go.sum
+++ b/vendor/github.com/RoaringBitmap/roaring/go.sum
@ -1,7 +1,3 @@
-github.com/RoaringBitmap/gocroaring v0.4.0 h1:5nufXUgWpBEUNEJXw7926YAA58ZAQRpWPrQV1xCoSjc=
-github.com/RoaringBitmap/gocroaring v0.4.0/go.mod h1:NieMwz7ZqwU2DD73/vvYwv7r4eWBKuPVSXZIpsaMwCI=
-github.com/RoaringBitmap/real-roaring-datasets v0.0.0-20190726190000-eb7c87156f76 h1:ZYlhPbqQFU+AHfgtCdHGDTtRW1a8geZyiE8c6Q+Sl1s=
-github.com/RoaringBitmap/real-roaring-datasets v0.0.0-20190726190000-eb7c87156f76/go.mod h1:oM0MHmQ3nDsq609SS36p+oYbRi16+oVvU2Bw4Ipv0SE=
 github.com/bits-and-blooms/bitset v1.2.0 h1:Kn4yilvwNtMACtf1eYDlG8H77R07mZSPbMjLyS07ChA=
 github.com/bits-and-blooms/bitset v1.2.0/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
--- a/vendor/github.com/RoaringBitmap/roaring/roaring.go
+++ b/vendor/github.com/RoaringBitmap/roaring/roaring.go
@ -1552,3 +1552,27 @@ func (rb *Bitmap) Stats() Statistics {
 	}
 	return stats
 }
+
+func (rb *Bitmap) checkValidity() bool {
+	for _, c := range rb.highlowcontainer.containers {
+
+		switch c.(type) {
+		case *arrayContainer:
+			if c.getCardinality() > arrayDefaultMaxSize {
+				fmt.Println("Array containers are limited to size ", arrayDefaultMaxSize)
+				return false
+			}
+		case *bitmapContainer:
+			if c.getCardinality() <= arrayDefaultMaxSize {
+				fmt.Println("Bitmaps would be more concise as an array!")
+				return false
+			}
+		case *runContainer16:
+			if c.getSizeInBytes() > minOfInt(bitmapContainerSizeInBytes(), arrayContainerSizeInBytes(c.getCardinality())) {
+				fmt.Println("Inefficient run container!")
+				return false
+			}
+		}
+	}
+	return true
+}
--- a/vendor/github.com/RoaringBitmap/roaring/serialization_littleendian.go
+++ b/vendor/github.com/RoaringBitmap/roaring/serialization_littleendian.go
@ -297,8 +297,9 @@ func (ra *roaringArray) frozenView(buf []byte) error {
 			iBitset++
 		case 2:
 			containers[i] = &arrays[iArray]
-			arrays[iArray].content = arraysArena[:counts[i]+1]
-			arraysArena = arraysArena[counts[i]+1:]
+			sz := int(counts[i])+1
+			arrays[iArray].content = arraysArena[:sz]
+			arraysArena = arraysArena[sz:]
 			iArray++
 		case 3:
 			containers[i] = &runs[iRun]
@ -401,7 +402,7 @@ func (bm *Bitmap) FreezeTo(buf []byte) (int, error) {
 			copy(arraysArena, v.content)
 			arraysArena = arraysArena[len(v.content):]
 			elems := len(v.content)
-			counts[i] = uint16(elems)-1
+			counts[i] = uint16(elems-1)
 			types[i] = 2
 		case *runContainer16:
 			copy(runsArena, v.iv)
--- a/vendor/github.com/blevesearch/bleve/v2/.gitignore
+++ b/vendor/github.com/blevesearch/bleve/v2/.gitignore
@ -17,3 +17,4 @@ vendor/**
 /search/query/y.output
 *.test
 tags
+go.sum
--- a/vendor/github.com/blevesearch/bleve/v2/analysis/type.go
+++ b/vendor/github.com/blevesearch/bleve/v2/analysis/type.go
@ -34,6 +34,7 @@ const (
 	Single
 	Double
 	Boolean
+	IP
 )

 // Token represents one occurrence of a term at a particular location in a
--- a/vendor/github.com/blevesearch/bleve/v2/config_app.go
+++ b/vendor/github.com/blevesearch/bleve/v2/config_app.go
@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

+//go:build appengine || appenginevm
 // +build appengine appenginevm

 package bleve
--- a/vendor/github.com/blevesearch/bleve/v2/config_disk.go
+++ b/vendor/github.com/blevesearch/bleve/v2/config_disk.go
@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

+//go:build !appengine && !appenginevm
 // +build !appengine,!appenginevm

 package bleve
--- a/vendor/github.com/blevesearch/bleve/v2/document/field_ip.go
+++ b/vendor/github.com/blevesearch/bleve/v2/document/field_ip.go
@ -0,0 +1,132 @@
+//  Copyright (c) 2021 Couchbase, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 		http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package document
+
+import (
+	"fmt"
+	"net"
+	"reflect"
+
+	"github.com/blevesearch/bleve/v2/analysis"
+	"github.com/blevesearch/bleve/v2/size"
+	index "github.com/blevesearch/bleve_index_api"
+)
+
+var reflectStaticSizeIPField int
+
+func init() {
+	var f IPField
+	reflectStaticSizeIPField = int(reflect.TypeOf(f).Size())
+}
+
+const DefaultIPIndexingOptions = index.StoreField | index.IndexField | index.DocValues | index.IncludeTermVectors
+
+type IPField struct {
+	name              string
+	arrayPositions    []uint64
+	options           index.FieldIndexingOptions
+	value             net.IP
+	numPlainTextBytes uint64
+	length            int
+	frequencies       index.TokenFrequencies
+}
+
+func (b *IPField) Size() int {
+	return reflectStaticSizeIPField + size.SizeOfPtr +
+		len(b.name) +
+		len(b.arrayPositions)*size.SizeOfUint64 +
+		len(b.value)
+}
+
+func (b *IPField) Name() string {
+	return b.name
+}
+
+func (b *IPField) ArrayPositions() []uint64 {
+	return b.arrayPositions
+}
+
+func (b *IPField) Options() index.FieldIndexingOptions {
+	return b.options
+}
+
+func (n *IPField) EncodedFieldType() byte {
+	return 'i'
+}
+
+func (n *IPField) AnalyzedLength() int {
+	return n.length
+}
+
+func (n *IPField) AnalyzedTokenFrequencies() index.TokenFrequencies {
+	return n.frequencies
+}
+
+func (b *IPField) Analyze() {
+
+	tokens := analysis.TokenStream{
+		&analysis.Token{
+			Start:    0,
+			End:      len(b.value),
+			Term:     b.value,
+			Position: 1,
+			Type:     analysis.IP,
+		},
+	}
+	b.length = 1
+	b.frequencies = analysis.TokenFrequency(tokens, b.arrayPositions, b.options)
+}
+
+func (b *IPField) Value() []byte {
+	return b.value
+}
+
+func (b *IPField) IP() (net.IP, error) {
+	return net.IP(b.value), nil
+}
+
+func (b *IPField) GoString() string {
+	return fmt.Sprintf("&document.IPField{Name:%s, Options: %s, Value: %s}", b.name, b.options, net.IP(b.value))
+}
+
+func (b *IPField) NumPlainTextBytes() uint64 {
+	return b.numPlainTextBytes
+}
+
+func NewIPFieldFromBytes(name string, arrayPositions []uint64, value []byte) *IPField {
+	return &IPField{
+		name:              name,
+		arrayPositions:    arrayPositions,
+		value:             value,
+		options:           DefaultNumericIndexingOptions,
+		numPlainTextBytes: uint64(len(value)),
+	}
+}
+
+func NewIPField(name string, arrayPositions []uint64, v net.IP) *IPField {
+	return NewIPFieldWithIndexingOptions(name, arrayPositions, v, DefaultIPIndexingOptions)
+}
+
+func NewIPFieldWithIndexingOptions(name string, arrayPositions []uint64, b net.IP, options index.FieldIndexingOptions) *IPField {
+	v := b.To16()
+
+	return &IPField{
+		name:              name,
+		arrayPositions:    arrayPositions,
+		value:             v,
+		options:           options,
+		numPlainTextBytes: net.IPv6len,
+	}
+}
--- a/vendor/github.com/blevesearch/bleve/v2/go.mod
+++ b/vendor/github.com/blevesearch/bleve/v2/go.mod
@ -3,21 +3,21 @@ module github.com/blevesearch/bleve/v2
 go 1.13

 require (
-	github.com/RoaringBitmap/roaring v0.7.3
+	github.com/RoaringBitmap/roaring v0.9.4
 	github.com/bits-and-blooms/bitset v1.2.0
-	github.com/blevesearch/bleve_index_api v1.0.0
+	github.com/blevesearch/bleve_index_api v1.0.1
 	github.com/blevesearch/go-porterstemmer v1.0.3
-	github.com/blevesearch/scorch_segment_api/v2 v2.0.1
+	github.com/blevesearch/scorch_segment_api/v2 v2.1.0
 	github.com/blevesearch/segment v0.9.0
 	github.com/blevesearch/snowballstem v0.9.0
 	github.com/blevesearch/upsidedown_store_api v1.0.1
-	github.com/blevesearch/vellum v1.0.5
-	github.com/blevesearch/zapx/v11 v11.2.1
-	github.com/blevesearch/zapx/v12 v12.2.1
-	github.com/blevesearch/zapx/v13 v13.2.1
-	github.com/blevesearch/zapx/v14 v14.2.1
-	github.com/blevesearch/zapx/v15 v15.2.1
-	github.com/couchbase/moss v0.1.0
+	github.com/blevesearch/vellum v1.0.7
+	github.com/blevesearch/zapx/v11 v11.3.2
+	github.com/blevesearch/zapx/v12 v12.3.2
+	github.com/blevesearch/zapx/v13 v13.3.2
+	github.com/blevesearch/zapx/v14 v14.3.2
+	github.com/blevesearch/zapx/v15 v15.3.2
+	github.com/couchbase/moss v0.2.0
 	github.com/golang/protobuf v1.3.2
 	github.com/kljensen/snowball v0.6.0
 	github.com/rcrowley/go-metrics v0.0.0-20190826022208-cac0b30c2563
@ -25,5 +25,5 @@ require (
 	github.com/steveyen/gtreap v0.1.0
 	github.com/syndtr/goleveldb v1.0.0
 	go.etcd.io/bbolt v1.3.5
-	golang.org/x/text v0.3.0
+	golang.org/x/text v0.3.7
 )
--- a/vendor/github.com/blevesearch/bleve/v2/go.sum
+++ b/vendor/github.com/blevesearch/bleve/v2/go.sum
@ -1,73 +1,65 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/Julusian/godocdown v0.0.0-20170816220326-6d19f8ff2df8/go.mod h1:INZr5t32rG59/5xeltqoCJoNY7e5x/3xoY9WSWVWg74=
-github.com/RoaringBitmap/roaring v0.4.23/go.mod h1:D0gp8kJQgE1A4LQ5wFLggQEyvDi06Mq5mKs52e1TwOo=
-github.com/RoaringBitmap/roaring v0.7.3 h1:RwirWpvFONt2EwHHEHhER7S4BHZkyj3qL5LXLlnQPZ4=
-github.com/RoaringBitmap/roaring v0.7.3/go.mod h1:jdT9ykXwHFNdJbEtxePexlFYH9LXucApeS0/+/g+p1I=
+github.com/RoaringBitmap/roaring v0.9.4 h1:ckvZSX5gwCRaJYBNe7syNawCU5oruY9gQmjXlp4riwo=
+github.com/RoaringBitmap/roaring v0.9.4/go.mod h1:icnadbWcNyfEHlYdr+tDlOTih1Bf/h+rzPpv4sbomAA=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/bits-and-blooms/bitset v1.2.0 h1:Kn4yilvwNtMACtf1eYDlG8H77R07mZSPbMjLyS07ChA=
 github.com/bits-and-blooms/bitset v1.2.0/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
-github.com/blevesearch/bleve_index_api v1.0.0 h1:Ds3XeuTxjXCkG6pgIwWDRyooJKNIuOKemnN0N0IkhTU=
-github.com/blevesearch/bleve_index_api v1.0.0/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
+github.com/blevesearch/bleve_index_api v1.0.1 h1:nx9++0hnyiGOHJwQQYfsUGzpRdEVE5LsylmmngQvaFk=
+github.com/blevesearch/bleve_index_api v1.0.1/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
 github.com/blevesearch/go-porterstemmer v1.0.3 h1:GtmsqID0aZdCSNiY8SkuPJ12pD4jI+DdXTAn4YRcHCo=
 github.com/blevesearch/go-porterstemmer v1.0.3/go.mod h1:angGc5Ht+k2xhJdZi511LtmxuEf0OVpvUUNrwmM1P7M=
-github.com/blevesearch/mmap-go v1.0.2 h1:JtMHb+FgQCTTYIhtMvimw15dJwu1Y5lrZDMOFXVWPk0=
 github.com/blevesearch/mmap-go v1.0.2/go.mod h1:ol2qBqYaOUsGdm7aRMRrYGgPvnwLe6Y+7LMvAB5IbSA=
-github.com/blevesearch/scorch_segment_api/v2 v2.0.1 h1:fd+hPtZ8GsbqPK1HslGp7Vhoik4arZteA/IsCEgOisw=
-github.com/blevesearch/scorch_segment_api/v2 v2.0.1/go.mod h1:lq7yK2jQy1yQjtjTfU931aVqz7pYxEudHaDwOt1tXfU=
+github.com/blevesearch/mmap-go v1.0.3 h1:7QkALgFNooSq3a46AE+pWeKASAZc9SiNFJhDGF1NDx4=
+github.com/blevesearch/mmap-go v1.0.3/go.mod h1:pYvKl/grLQrBxuaRYgoTssa4rVujYYeenDp++2E+yvs=
+github.com/blevesearch/scorch_segment_api/v2 v2.1.0 h1:NFwteOpZEvJk5Vg0H6gD0hxupsG3JYocE4DBvsA2GZI=
+github.com/blevesearch/scorch_segment_api/v2 v2.1.0/go.mod h1:uch7xyyO/Alxkuxa+CGs79vw0QY8BENSBjg6Mw5L5DE=
 github.com/blevesearch/segment v0.9.0 h1:5lG7yBCx98or7gK2cHMKPukPZ/31Kag7nONpoBt22Ac=
 github.com/blevesearch/segment v0.9.0/go.mod h1:9PfHYUdQCgHktBgvtUOF4x+pc4/l8rdH0u5spnW85UQ=
 github.com/blevesearch/snowballstem v0.9.0 h1:lMQ189YspGP6sXvZQ4WZ+MLawfV8wOmPoD/iWeNXm8s=
 github.com/blevesearch/snowballstem v0.9.0/go.mod h1:PivSj3JMc8WuaFkTSRDW2SlrulNWPl4ABg1tC/hlgLs=
 github.com/blevesearch/upsidedown_store_api v1.0.1 h1:1SYRwyoFLwG3sj0ed89RLtM15amfX2pXlYbFOnF8zNU=
 github.com/blevesearch/upsidedown_store_api v1.0.1/go.mod h1:MQDVGpHZrpe3Uy26zJBf/a8h0FZY6xJbthIMm8myH2Q=
-github.com/blevesearch/vellum v1.0.5 h1:L5dJ7hKauRVbuH7I8uqLeSK92CPPY6FfrbAmLhAug8A=
-github.com/blevesearch/vellum v1.0.5/go.mod h1:atE0EH3fvk43zzS7t1YNdNC7DbmcC3uz+eMD5xZ2OyQ=
-github.com/blevesearch/zapx/v11 v11.2.1 h1:udluDHdr99gGSeL3vZLtJbML0OJ98mK1Peivtm5OYho=
-github.com/blevesearch/zapx/v11 v11.2.1/go.mod h1:TBkJF5Qq0EwZbbBQmkW6/AQVSYwXXpp0xwtQ5wXHVMI=
-github.com/blevesearch/zapx/v12 v12.2.1 h1:nbeecR8M3dEcIIYfKDaSRpJ9E205E7BvjhVwf/l5ajI=
-github.com/blevesearch/zapx/v12 v12.2.1/go.mod h1:sSXvgEs7MKqqDIRSpyFd6ZJUEVlhxuDB0d8/WT2WlgA=
-github.com/blevesearch/zapx/v13 v13.2.1 h1:6K797fvkurY6heEMPhyUlq3VULIpkD1sbBqqQUMFf4g=
-github.com/blevesearch/zapx/v13 v13.2.1/go.mod h1:Fblcy4ykPy7XiaZ2svvpQaYgEqI+8vkdvMVx5zcawF4=
-github.com/blevesearch/zapx/v14 v14.2.1 h1:V3RzDc7XZ51Kv9ZhhzMlHCSoY4+jxqy9VBqHxTqW4pg=
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 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
--- a/vendor/github.com/blevesearch/bleve/v2/index.go
+++ b/vendor/github.com/blevesearch/bleve/v2/index.go
@ -16,6 +16,7 @@ package bleve

 import (
 	"context"
+
 	"github.com/blevesearch/bleve/v2/index/upsidedown"

 	"github.com/blevesearch/bleve/v2/document"
@ -306,3 +307,15 @@ type Builder interface {
 func NewBuilder(path string, mapping mapping.IndexMapping, config map[string]interface{}) (Builder, error) {
 	return newBuilder(path, mapping, config)
 }
+
+// IndexCopyable is an index which supports an online copy operation
+// of the index.
+type IndexCopyable interface {
+	// CopyTo creates a fully functional copy of the index at the
+	// specified destination directory implementation.
+	CopyTo(d index.Directory) error
+}
+
+// FileSystemDirectory is the default implementation for the
+// index.Directory interface.
+type FileSystemDirectory string
--- a/vendor/github.com/blevesearch/bleve/v2/index/scorch/builder.go
+++ b/vendor/github.com/blevesearch/bleve/v2/index/scorch/builder.go
@ -304,7 +304,7 @@ func (o *Builder) Close() error {
 	}

 	// fill the root bolt with this fake index snapshot
-	_, _, err = prepareBoltSnapshot(is, tx, o.path, o.segPlugin)
+	_, _, err = prepareBoltSnapshot(is, tx, o.path, o.segPlugin, nil)
 	if err != nil {
 		_ = tx.Rollback()
 		_ = rootBolt.Close()
--- a/vendor/github.com/blevesearch/bleve/v2/index/scorch/introducer.go
+++ b/vendor/github.com/blevesearch/bleve/v2/index/scorch/introducer.go
@ -46,6 +46,17 @@ type epochWatcher struct {
 }

 func (s *Scorch) introducerLoop() {
+	defer func() {
+		if r := recover(); r != nil {
+			s.fireAsyncError(&AsyncPanicError{
+				Source: "introducer",
+				Path:   s.path,
+			})
+		}
+
+		s.asyncTasks.Done()
+	}()
+
 	var epochWatchers []*epochWatcher
 OUTER:
 	for {
@ -88,8 +99,6 @@ OUTER:
 		}
 		epochWatchers = epochWatchersNext
 	}
-
-	s.asyncTasks.Done()
 }

 func (s *Scorch) introduceSegment(next *segmentIntroduction) error {
--- a/vendor/github.com/blevesearch/bleve/v2/index/scorch/merge.go
+++ b/vendor/github.com/blevesearch/bleve/v2/index/scorch/merge.go
@ -29,12 +29,22 @@ import (
 )

 func (s *Scorch) mergerLoop() {
+	defer func() {
+		if r := recover(); r != nil {
+			s.fireAsyncError(&AsyncPanicError{
+				Source: "merger",
+				Path:   s.path,
+			})
+		}
+
+		s.asyncTasks.Done()
+	}()
+
 	var lastEpochMergePlanned uint64
 	var ctrlMsg *mergerCtrl
 	mergePlannerOptions, err := s.parseMergePlannerOptions()
 	if err != nil {
 		s.fireAsyncError(fmt.Errorf("mergePlannerOption json parsing err: %v", err))
-		s.asyncTasks.Done()
 		return
 	}
 	ctrlMsgDflt := &mergerCtrl{ctx: context.Background(),
@ -130,8 +140,6 @@ OUTER:

 		atomic.AddUint64(&s.stats.TotFileMergeLoopEnd, 1)
 	}
-
-	s.asyncTasks.Done()
 }

 type mergerCtrl struct {
@ -212,29 +220,29 @@ type closeChWrapper struct {
 	ch1      chan struct{}
 	ctx      context.Context
 	closeCh  chan struct{}
+	cancelCh chan struct{}
 }

 func newCloseChWrapper(ch1 chan struct{},
 	ctx context.Context) *closeChWrapper {
-	return &closeChWrapper{ch1: ch1,
+	return &closeChWrapper{
+		ch1:      ch1,
 		ctx:      ctx,
-		closeCh: make(chan struct{})}
+		closeCh:  make(chan struct{}),
+		cancelCh: make(chan struct{}),
+	}
 }

 func (w *closeChWrapper) close() {
-	select {
-	case <-w.closeCh:
-	default:
 	close(w.closeCh)
 }
-}

 func (w *closeChWrapper) listen() {
 	select {
 	case <-w.ch1:
-		w.close()
+		close(w.cancelCh)
 	case <-w.ctx.Done():
-		w.close()
+		close(w.cancelCh)
 	case <-w.closeCh:
 	}
 }
@ -320,7 +328,7 @@ func (s *Scorch) planMergeAtSnapshot(ctx context.Context,

 			atomic.AddUint64(&s.stats.TotFileMergeZapBeg, 1)
 			newDocNums, _, err := s.segPlugin.Merge(segmentsToMerge, docsToDrop, path,
-				cw.closeCh, s)
+				cw.cancelCh, s)
 			atomic.AddUint64(&s.stats.TotFileMergeZapEnd, 1)

 			fileMergeZapTime := uint64(time.Since(fileMergeZapStartTime))
--- a/vendor/github.com/blevesearch/bleve/v2/index/scorch/persister.go
+++ b/vendor/github.com/blevesearch/bleve/v2/index/scorch/persister.go
@ -19,6 +19,7 @@ import (
 	"encoding/binary"
 	"encoding/json"
 	"fmt"
+	"io"
 	"io/ioutil"
 	"log"
 	"math"
@ -82,7 +83,16 @@ type persisterOptions struct {
 type notificationChan chan struct{}

 func (s *Scorch) persisterLoop() {
-	defer s.asyncTasks.Done()
+	defer func() {
+		if r := recover(); r != nil {
+			s.fireAsyncError(&AsyncPanicError{
+				Source: "persister",
+				Path:   s.path,
+			})
+		}
+
+		s.asyncTasks.Done()
+	}()

 	var persistWatchers []*epochWatcher
 	var lastPersistedEpoch, lastMergedEpoch uint64
@ -427,8 +437,59 @@ func (s *Scorch) persistSnapshotMaybeMerge(snapshot *IndexSnapshot) (
 	return true, nil
 }

+func copyToDirectory(srcPath string, d index.Directory) (int64, error) {
+	if d == nil {
+		return 0, nil
+	}
+
+	dest, err := d.GetWriter(filepath.Join("store", filepath.Base(srcPath)))
+	if err != nil {
+		return 0, fmt.Errorf("GetWriter err: %v", err)
+	}
+
+	sourceFileStat, err := os.Stat(srcPath)
+	if err != nil {
+		return 0, err
+	}
+
+	if !sourceFileStat.Mode().IsRegular() {
+		return 0, fmt.Errorf("%s is not a regular file", srcPath)
+	}
+
+	source, err := os.Open(srcPath)
+	if err != nil {
+		return 0, err
+	}
+	defer source.Close()
+	defer dest.Close()
+	return io.Copy(dest, source)
+}
+
+func persistToDirectory(seg segment.UnpersistedSegment, d index.Directory,
+	path string) error {
+	if d == nil {
+		return seg.Persist(path)
+	}
+
+	sg, ok := seg.(io.WriterTo)
+	if !ok {
+		return fmt.Errorf("no io.WriterTo segment implementation found")
+	}
+
+	w, err := d.GetWriter(filepath.Join("store", filepath.Base(path)))
+	if err != nil {
+		return err
+	}
+
+	_, err = sg.WriteTo(w)
+	w.Close()
+
+	return err
+}
+
 func prepareBoltSnapshot(snapshot *IndexSnapshot, tx *bolt.Tx, path string,
-	segPlugin SegmentPlugin) ([]string, map[uint64]string, error) {
+	segPlugin SegmentPlugin, d index.Directory) (
+	[]string, map[uint64]string, error) {
 	snapshotsBucket, err := tx.CreateBucketIfNotExists(boltSnapshotsBucket)
 	if err != nil {
 		return nil, nil, err
@ -481,7 +542,11 @@ func prepareBoltSnapshot(snapshot *IndexSnapshot, tx *bolt.Tx, path string,
 		switch seg := segmentSnapshot.segment.(type) {
 		case segment.PersistedSegment:
 			segPath := seg.Path()
-			filename := strings.TrimPrefix(segPath, path+string(os.PathSeparator))
+			_, err = copyToDirectory(segPath, d)
+			if err != nil {
+				return nil, nil, fmt.Errorf("segment: %s copy err: %v", segPath, err)
+			}
+			filename := filepath.Base(segPath)
 			err = snapshotSegmentBucket.Put(boltPathKey, []byte(filename))
 			if err != nil {
 				return nil, nil, err
@ -490,10 +555,10 @@ func prepareBoltSnapshot(snapshot *IndexSnapshot, tx *bolt.Tx, path string,
 		case segment.UnpersistedSegment:
 			// need to persist this to disk
 			filename := zapFileName(segmentSnapshot.id)
-			path := path + string(os.PathSeparator) + filename
-			err = seg.Persist(path)
+			path := filepath.Join(path, filename)
+			err := persistToDirectory(seg, d, path)
 			if err != nil {
-				return nil, nil, fmt.Errorf("error persisting segment: %v", err)
+				return nil, nil, fmt.Errorf("segment: %s persist err: %v", path, err)
 			}
 			newSegmentPaths[segmentSnapshot.id] = path
 			err = snapshotSegmentBucket.Put(boltPathKey, []byte(filename))
@ -534,7 +599,7 @@ func (s *Scorch) persistSnapshotDirect(snapshot *IndexSnapshot) (err error) {
 		}
 	}()

-	filenames, newSegmentPaths, err := prepareBoltSnapshot(snapshot, tx, s.path, s.segPlugin)
+	filenames, newSegmentPaths, err := prepareBoltSnapshot(snapshot, tx, s.path, s.segPlugin, nil)
 	if err != nil {
 		return err
 	}
--- a/vendor/github.com/blevesearch/bleve/v2/index/scorch/scorch.go
+++ b/vendor/github.com/blevesearch/bleve/v2/index/scorch/scorch.go
@ -75,6 +75,16 @@ type Scorch struct {
 	segPlugin SegmentPlugin
 }

+// AsyncPanicError is passed to scorch asyncErrorHandler when panic occurs in scorch background process
+type AsyncPanicError struct {
+	Source string
+	Path   string
+}
+
+func (e *AsyncPanicError) Error() string {
+	return fmt.Sprintf("%s panic when processing %s", e.Source, e.Path)
+}
+
 type internalStats struct {
 	persistEpoch          uint64
 	persistSnapshotSize   uint64
@ -202,6 +212,15 @@ func (s *Scorch) openBolt() error {
 	var rootBoltOpt = *bolt.DefaultOptions
 	if s.readOnly {
 		rootBoltOpt.ReadOnly = true
+		rootBoltOpt.OpenFile = func(path string, flag int, mode os.FileMode) (*os.File, error) {
+			// Bolt appends an O_CREATE flag regardless.
+			// See - https://github.com/etcd-io/bbolt/blob/v1.3.5/db.go#L210
+			// Use os.O_RDONLY only if path exists (#1623)
+			if _, err := os.Stat(path); os.IsNotExist(err) {
+				return os.OpenFile(path, flag, mode)
+			}
+			return os.OpenFile(path, os.O_RDONLY, mode)
+		}
 	} else {
 		if s.path != "" {
 			err := os.MkdirAll(s.path, 0700)
--- a/vendor/github.com/blevesearch/bleve/v2/index/scorch/snapshot_index.go
+++ b/vendor/github.com/blevesearch/bleve/v2/index/scorch/snapshot_index.go
@ -18,6 +18,8 @@ import (
 	"container/heap"
 	"encoding/binary"
 	"fmt"
+	"os"
+	"path/filepath"
 	"reflect"
 	"sort"
 	"sync"
@ -29,6 +31,7 @@ import (
 	segment "github.com/blevesearch/scorch_segment_api/v2"
 	"github.com/blevesearch/vellum"
 	lev "github.com/blevesearch/vellum/levenshtein"
+	bolt "go.etcd.io/bbolt"
 )

 // re usable, threadsafe levenshtein builders
@ -426,6 +429,8 @@ func (i *IndexSnapshot) Document(id string) (rv index.Document, err error) {
 			rvd.AddField(document.NewTextField(name, arrayPos, value))
 		case 'n':
 			rvd.AddField(document.NewNumericFieldFromBytes(name, arrayPos, value))
+		case 'i':
+			rvd.AddField(document.NewIPFieldFromBytes(name, arrayPos, value))
 		case 'd':
 			rvd.AddField(document.NewDateTimeFieldFromBytes(name, arrayPos, value))
 		case 'b':
@ -762,3 +767,46 @@ OUTER:
 	}
 	return rv
 }
+
+func (i *IndexSnapshot) CopyTo(d index.Directory) error {
+	// get the root bolt file.
+	w, err := d.GetWriter(filepath.Join("store", "root.bolt"))
+	if err != nil || w == nil {
+		return fmt.Errorf("failed to create the root.bolt file, err: %v", err)
+	}
+	rootFile, ok := w.(*os.File)
+	if !ok {
+		return fmt.Errorf("invalid root.bolt file found")
+	}
+
+	copyBolt, err := bolt.Open(rootFile.Name(), 0600, nil)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		w.Close()
+		if cerr := copyBolt.Close(); cerr != nil && err == nil {
+			err = cerr
+		}
+	}()
+
+	// start a write transaction
+	tx, err := copyBolt.Begin(true)
+	if err != nil {
+		return err
+	}
+
+	_, _, err = prepareBoltSnapshot(i, tx, "", i.parent.segPlugin, d)
+	if err != nil {
+		_ = tx.Rollback()
+		return fmt.Errorf("error backing up index snapshot: %v", err)
+	}
+
+	// commit bolt data
+	err = tx.Commit()
+	if err != nil {
+		return fmt.Errorf("error commit tx to backup root bolt: %v", err)
+	}
+
+	return copyBolt.Sync()
+}
--- a/vendor/github.com/blevesearch/bleve/v2/index/upsidedown/upsidedown.go
+++ b/vendor/github.com/blevesearch/bleve/v2/index/upsidedown/upsidedown.go
@ -727,6 +727,8 @@ func decodeFieldType(typ byte, name string, pos []uint64, value []byte) document
 		return document.NewBooleanFieldFromBytes(name, pos, value)
 	case 'g':
 		return document.NewGeoPointFieldFromBytes(name, pos, value)
+	case 'i':
+		return document.NewIPFieldFromBytes(name, pos, value)
 	}
 	return nil
 }
--- a/vendor/github.com/blevesearch/bleve/v2/index_impl.go
+++ b/vendor/github.com/blevesearch/bleve/v2/index_impl.go
@ -18,7 +18,9 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"io"
 	"os"
+	"path/filepath"
 	"sync"
 	"sync/atomic"
 	"time"
@ -910,3 +912,49 @@ func (m *searchHitSorter) Less(i, j int) bool {
 	c := m.sort.Compare(m.cachedScoring, m.cachedDesc, m.hits[i], m.hits[j])
 	return c < 0
 }
+
+func (i *indexImpl) CopyTo(d index.Directory) (err error) {
+	i.mutex.RLock()
+	defer i.mutex.RUnlock()
+
+	if !i.open {
+		return ErrorIndexClosed
+	}
+
+	indexReader, err := i.i.Reader()
+	if err != nil {
+		return err
+	}
+	defer func() {
+		if cerr := indexReader.Close(); err == nil && cerr != nil {
+			err = cerr
+		}
+	}()
+
+	irc, ok := indexReader.(IndexCopyable)
+	if !ok {
+		return fmt.Errorf("index implementation does not support copy")
+	}
+
+	err = irc.CopyTo(d)
+	if err != nil {
+		return fmt.Errorf("error copying index metadata: %v", err)
+	}
+
+	// copy the metadata
+	return i.meta.CopyTo(d)
+}
+
+func (f FileSystemDirectory) GetWriter(filePath string) (io.WriteCloser,
+	error) {
+	dir, file := filepath.Split(filePath)
+	if dir != "" {
+		err := os.MkdirAll(filepath.Join(string(f), dir), os.ModePerm)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return os.OpenFile(filepath.Join(string(f), dir, file),
+		os.O_RDWR|os.O_CREATE, 0600)
+}
--- a/vendor/github.com/blevesearch/bleve/v2/index_meta.go
+++ b/vendor/github.com/blevesearch/bleve/v2/index_meta.go
@ -16,11 +16,13 @@ package bleve

 import (
 	"encoding/json"
+	"fmt"
 	"io/ioutil"
 	"os"
 	"path/filepath"

 	"github.com/blevesearch/bleve/v2/index/upsidedown"
+	index "github.com/blevesearch/bleve_index_api"
 )

 const metaFilename = "index_meta.json"
@ -92,6 +94,23 @@ func (i *indexMeta) Save(path string) (err error) {
 	return nil
 }

+func (i *indexMeta) CopyTo(d index.Directory) (err error) {
+	metaBytes, err := json.Marshal(i)
+	if err != nil {
+		return err
+	}
+
+	w, err := d.GetWriter(metaFilename)
+	if w == nil || err != nil {
+		return fmt.Errorf("invalid writer for file: %s, err: %v",
+			metaFilename, err)
+	}
+	defer w.Close()
+
+	_, err = w.Write(metaBytes)
+	return err
+}
+
 func indexMetaPath(path string) string {
 	return filepath.Join(path, metaFilename)
 }
--- a/vendor/github.com/blevesearch/bleve/v2/mapping.go
+++ b/vendor/github.com/blevesearch/bleve/v2/mapping.go
@ -45,6 +45,12 @@ func NewTextFieldMapping() *mapping.FieldMapping {
 	return mapping.NewTextFieldMapping()
 }

+// NewKeywordFieldMapping returns a field mapping for text using the keyword
+// analyzer, which essentially doesn't apply any specific text analysis.
+func NewKeywordFieldMapping() *mapping.FieldMapping {
+	return mapping.NewKeywordFieldMapping()
+}
+
 // NewNumericFieldMapping returns a default field mapping for numbers
 func NewNumericFieldMapping() *mapping.FieldMapping {
 	return mapping.NewNumericFieldMapping()
@ -63,3 +69,7 @@ func NewBooleanFieldMapping() *mapping.FieldMapping {
 func NewGeoPointFieldMapping() *mapping.FieldMapping {
 	return mapping.NewGeoPointFieldMapping()
 }
+
+func NewIPFieldMapping() *mapping.FieldMapping {
+	return mapping.NewIPFieldMapping()
+}
--- a/vendor/github.com/blevesearch/bleve/v2/mapping/document.go
+++ b/vendor/github.com/blevesearch/bleve/v2/mapping/document.go
@ -18,6 +18,7 @@ import (
 	"encoding"
 	"encoding/json"
 	"fmt"
+	"net"
 	"reflect"
 	"time"

@ -76,7 +77,7 @@ func (dm *DocumentMapping) Validate(cache *registry.Cache) error {
 			}
 		}
 		switch field.Type {
-		case "text", "datetime", "number", "boolean", "geopoint":
+		case "text", "datetime", "number", "boolean", "geopoint", "IP":
 		default:
 			return fmt.Errorf("unknown field type: '%s'", field.Type)
 		}
@ -517,8 +518,14 @@ func (dm *DocumentMapping) processProperty(property interface{}, path []string,
 	case reflect.Map, reflect.Slice:
 		if subDocMapping != nil {
 			for _, fieldMapping := range subDocMapping.Fields {
-				if fieldMapping.Type == "geopoint" {
+				switch fieldMapping.Type {
+				case "geopoint":
 					fieldMapping.processGeoPoint(property, pathString, path, indexes, context)
+				case "IP":
+					ip, ok := property.(net.IP)
+					if ok {
+						fieldMapping.processIP(ip, pathString, path, indexes, context)
+					}
 				}
 			}
 		}
@ -528,7 +535,7 @@ func (dm *DocumentMapping) processProperty(property interface{}, path []string,
 			switch property := property.(type) {
 			case encoding.TextMarshaler:
 				// ONLY process TextMarshaler if there is an explicit mapping
-				// AND all of the fiels are of type text
+				// AND all of the fields are of type text
 				// OTHERWISE process field without TextMarshaler
 				if subDocMapping != nil {
 					allFieldsText := true
--- a/vendor/github.com/blevesearch/bleve/v2/mapping/field.go
+++ b/vendor/github.com/blevesearch/bleve/v2/mapping/field.go
@ -17,8 +17,10 @@ package mapping
 import (
 	"encoding/json"
 	"fmt"
+	"net"
 	"time"

+	"github.com/blevesearch/bleve/v2/analysis/analyzer/keyword"
 	index "github.com/blevesearch/bleve_index_api"

 	"github.com/blevesearch/bleve/v2/analysis"
@ -89,6 +91,19 @@ func newTextFieldMappingDynamic(im *IndexMappingImpl) *FieldMapping {
 	return rv
 }

+// NewKeyworFieldMapping returns a default field mapping for text with analyzer "keyword".
+func NewKeywordFieldMapping() *FieldMapping {
+	return &FieldMapping{
+		Type:               "text",
+		Analyzer:           keyword.Name,
+		Store:              true,
+		Index:              true,
+		IncludeTermVectors: true,
+		IncludeInAll:       true,
+		DocValues:          true,
+	}
+}
+
 // NewNumericFieldMapping returns a default field mapping for numbers
 func NewNumericFieldMapping() *FieldMapping {
 	return &FieldMapping{
@ -157,6 +172,16 @@ func NewGeoPointFieldMapping() *FieldMapping {
 	}
 }

+// NewIPFieldMapping returns a default field mapping for IP points
+func NewIPFieldMapping() *FieldMapping {
+	return &FieldMapping{
+		Type:         "IP",
+		Store:        true,
+		Index:        true,
+		IncludeInAll: true,
+	}
+}
+
 // Options returns the indexing options for this field.
 func (fm *FieldMapping) Options() index.FieldIndexingOptions {
 	var rv index.FieldIndexingOptions
@ -201,6 +226,11 @@ func (fm *FieldMapping) processString(propertyValueString string, pathString str
 				fm.processTime(parsedDateTime, pathString, path, indexes, context)
 			}
 		}
+	} else if fm.Type == "IP" {
+		ip := net.ParseIP(propertyValueString)
+		if ip != nil {
+			fm.processIP(ip, pathString, path, indexes, context)
+		}
 	}
 }

@ -261,6 +291,17 @@ func (fm *FieldMapping) processGeoPoint(propertyMightBeGeoPoint interface{}, pat
 	}
 }

+func (fm *FieldMapping) processIP(ip net.IP, pathString string, path []string, indexes []uint64, context *walkContext) {
+	fieldName := getFieldName(pathString, path, fm)
+	options := fm.Options()
+	field := document.NewIPFieldWithIndexingOptions(fieldName, indexes, ip, options)
+	context.doc.AddField(field)
+
+	if !fm.IncludeInAll {
+		context.excludedFromAll = append(context.excludedFromAll, fieldName)
+	}
+}
+
 func (fm *FieldMapping) analyzerForField(path []string, context *walkContext) *analysis.Analyzer {
 	analyzerName := fm.Analyzer
 	if analyzerName == "" {
--- a/vendor/github.com/blevesearch/bleve/v2/query.go
+++ b/vendor/github.com/blevesearch/bleve/v2/query.go
@ -216,3 +216,12 @@ func NewGeoBoundingBoxQuery(topLeftLon, topLeftLat, bottomRightLon, bottomRightL
 func NewGeoDistanceQuery(lon, lat float64, distance string) *query.GeoDistanceQuery {
 	return query.NewGeoDistanceQuery(lon, lat, distance)
 }
+
+// NewIPRangeQuery creates a new Query for matching IP addresses.
+// If the argument is in CIDR format, then the query will match all
+// IP addresses in the network specified. If the argument is an IP address,
+// then the query will return documents which contain that IP.
+// Both ipv4 and ipv6 are supported.
+func NewIPRangeQuery(cidr string) *query.IPRangeQuery {
+	return query.NewIPRangeQuery(cidr)
+}
--- a/vendor/github.com/blevesearch/bleve/v2/search.go
+++ b/vendor/github.com/blevesearch/bleve/v2/search.go
@ -543,7 +543,7 @@ func (sr *SearchResult) String() string {
 		rv += fmt.Sprintf("Facets:\n")
 		for fn, f := range sr.Facets {
 			rv += fmt.Sprintf("%s(%d)\n", fn, f.Total)
-			for _, t := range f.Terms {
+			for _, t := range f.Terms.Terms() {
 				rv += fmt.Sprintf("\t%s(%d)\n", t.Term, t.Count)
 			}
 			if f.Other != 0 {
--- a/vendor/github.com/blevesearch/bleve/v2/search/collector/topn.go
+++ b/vendor/github.com/blevesearch/bleve/v2/search/collector/topn.go
@ -83,7 +83,7 @@ func NewTopNCollector(size int, skip int, sort search.SortOrder) *TopNCollector
 	return newTopNCollector(size, skip, sort)
 }

-// NewTopNCollector builds a collector to find the top 'size' hits
+// NewTopNCollectorAfter builds a collector to find the top 'size' hits
 // skipping over the first 'skip' hits
 // ordering hits by the provided sort order
 func NewTopNCollectorAfter(size int, sort search.SortOrder, after []string) *TopNCollector {
@ -235,9 +235,7 @@ func (hc *TopNCollector) Collect(ctx context.Context, searcher search.Searcher,

 	// compute search duration
 	hc.took = time.Since(startTime)
-	if err != nil {
-		return err
-	}
+
 	// finalize actual results
 	err = hc.finalizeResults(reader)
 	if err != nil {
--- a/vendor/github.com/blevesearch/bleve/v2/search/facet/facet_builder_datetime.go
+++ b/vendor/github.com/blevesearch/bleve/v2/search/facet/facet_builder_datetime.go
@ -87,8 +87,7 @@ func (fb *DateTimeFacetBuilder) Field() string {
 	return fb.field
 }

-func (fb *DateTimeFacetBuilder) UpdateVisitor(field string, term []byte) {
-	if field == fb.field {
+func (fb *DateTimeFacetBuilder) UpdateVisitor(term []byte) {
 	fb.sawValue = true
 	// only consider the values which are shifted 0
 	prefixCoded := numeric.PrefixCoded(term)
@ -108,7 +107,6 @@ func (fb *DateTimeFacetBuilder) UpdateVisitor(field string, term []byte) {
 		}
 	}
 }
-}

 func (fb *DateTimeFacetBuilder) StartDoc() {
 	fb.sawValue = false
--- a/vendor/github.com/blevesearch/bleve/v2/search/facet/facet_builder_numeric.go
+++ b/vendor/github.com/blevesearch/bleve/v2/search/facet/facet_builder_numeric.go
@ -86,8 +86,7 @@ func (fb *NumericFacetBuilder) Field() string {
 	return fb.field
 }

-func (fb *NumericFacetBuilder) UpdateVisitor(field string, term []byte) {
-	if field == fb.field {
+func (fb *NumericFacetBuilder) UpdateVisitor(term []byte) {
 	fb.sawValue = true
 	// only consider the values which are shifted 0
 	prefixCoded := numeric.PrefixCoded(term)
@ -107,7 +106,6 @@ func (fb *NumericFacetBuilder) UpdateVisitor(field string, term []byte) {
 		}
 	}
 }
-}

 func (fb *NumericFacetBuilder) StartDoc() {
 	fb.sawValue = false
--- a/vendor/github.com/blevesearch/bleve/v2/search/facet/facet_builder_terms.go
+++ b/vendor/github.com/blevesearch/bleve/v2/search/facet/facet_builder_terms.go
@ -62,13 +62,11 @@ func (fb *TermsFacetBuilder) Field() string {
 	return fb.field
 }

-func (fb *TermsFacetBuilder) UpdateVisitor(field string, term []byte) {
-	if field == fb.field {
+func (fb *TermsFacetBuilder) UpdateVisitor(term []byte) {
 	fb.sawValue = true
 	fb.termsCount[string(term)] = fb.termsCount[string(term)] + 1
 	fb.total++
 }
-}

 func (fb *TermsFacetBuilder) StartDoc() {
 	fb.sawValue = false
@ -87,7 +85,7 @@ func (fb *TermsFacetBuilder) Result() *search.FacetResult {
 		Missing: fb.missing,
 	}

-	rv.Terms = make([]*search.TermFacet, 0, len(fb.termsCount))
+	rv.Terms = &search.TermFacets{}

 	for term, count := range fb.termsCount {
 		tf := &search.TermFacet{
@ -95,20 +93,20 @@ func (fb *TermsFacetBuilder) Result() *search.FacetResult {
 			Count: count,
 		}

-		rv.Terms = append(rv.Terms, tf)
+		rv.Terms.Add(tf)
 	}

 	sort.Sort(rv.Terms)

 	// we now have the list of the top N facets
 	trimTopN := fb.size
-	if trimTopN > len(rv.Terms) {
-		trimTopN = len(rv.Terms)
+	if trimTopN > rv.Terms.Len() {
+		trimTopN = rv.Terms.Len()
 	}
-	rv.Terms = rv.Terms[:trimTopN]
+	rv.Terms.TrimToTopN(trimTopN)

 	notOther := 0
-	for _, tf := range rv.Terms {
+	for _, tf := range rv.Terms.Terms() {
 		notOther += tf.Count
 	}
 	rv.Other = fb.total - notOther
--- a/vendor/github.com/blevesearch/bleve/v2/search/facets_builder.go
+++ b/vendor/github.com/blevesearch/bleve/v2/search/facets_builder.go
@ -15,6 +15,7 @@
 package search

 import (
+	"encoding/json"
 	"reflect"
 	"sort"

@ -43,7 +44,7 @@ func init() {

 type FacetBuilder interface {
 	StartDoc()
-	UpdateVisitor(field string, term []byte)
+	UpdateVisitor(term []byte)
 	EndDoc()

 	Result() *FacetResult
@ -56,6 +57,7 @@ type FacetsBuilder struct {
 	indexReader   index.IndexReader
 	facetNames    []string
 	facets        []FacetBuilder
+	facetsByField map[string][]FacetBuilder
 	fields        []string
 }

@ -80,8 +82,13 @@ func (fb *FacetsBuilder) Size() int {
 }

 func (fb *FacetsBuilder) Add(name string, facetBuilder FacetBuilder) {
+	if fb.facetsByField == nil {
+		fb.facetsByField = map[string][]FacetBuilder{}
+	}
+
 	fb.facetNames = append(fb.facetNames, name)
 	fb.facets = append(fb.facets, facetBuilder)
+	fb.facetsByField[facetBuilder.Field()] = append(fb.facetsByField[facetBuilder.Field()], facetBuilder)
 	fb.fields = append(fb.fields, facetBuilder.Field())
 }

@ -102,8 +109,10 @@ func (fb *FacetsBuilder) EndDoc() {
 }

 func (fb *FacetsBuilder) UpdateVisitor(field string, term []byte) {
-	for _, facetBuilder := range fb.facets {
-		facetBuilder.UpdateVisitor(field, term)
+	if facetBuilders, ok := fb.facetsByField[field]; ok {
+		for _, facetBuilder := range facetBuilders {
+			facetBuilder.UpdateVisitor(term)
+		}
 	}
 }

@ -112,27 +121,73 @@ type TermFacet struct {
 	Count int    `json:"count"`
 }

-type TermFacets []*TermFacet
+type TermFacets struct {
+	termFacets []*TermFacet
+	termLookup map[string]*TermFacet
+}

-func (tf TermFacets) Add(termFacet *TermFacet) TermFacets {
-	for _, existingTerm := range tf {
-		if termFacet.Term == existingTerm.Term {
-			existingTerm.Count += termFacet.Count
-			return tf
+func (tf *TermFacets) Terms() []*TermFacet {
+	return tf.termFacets
 }
+
+func (tf *TermFacets) TrimToTopN(n int) {
+	tf.termFacets = tf.termFacets[:n]
 }
+
+func (tf *TermFacets) Add(termFacets ...*TermFacet) {
+	for _, termFacet := range termFacets {
+		if tf.termLookup == nil {
+			tf.termLookup = map[string]*TermFacet{}
+		}
+
+		if term, ok := tf.termLookup[termFacet.Term]; ok {
+			term.Count += termFacet.Count
+			return
+		}
+
 		// if we got here it wasn't already in the existing terms
-	tf = append(tf, termFacet)
-	return tf
+		tf.termFacets = append(tf.termFacets, termFacet)
+		tf.termLookup[termFacet.Term] = termFacet
+	}
 }

-func (tf TermFacets) Len() int      { return len(tf) }
-func (tf TermFacets) Swap(i, j int) { tf[i], tf[j] = tf[j], tf[i] }
-func (tf TermFacets) Less(i, j int) bool {
-	if tf[i].Count == tf[j].Count {
-		return tf[i].Term < tf[j].Term
+func (tf *TermFacets) Len() int {
+	// Handle case where *TermFacets is not fully initialized in index_impl.go.init()
+	if tf == nil {
+		return 0
 	}
-	return tf[i].Count > tf[j].Count
+
+	return len(tf.termFacets)
+}
+func (tf *TermFacets) Swap(i, j int) {
+	tf.termFacets[i], tf.termFacets[j] = tf.termFacets[j], tf.termFacets[i]
+}
+func (tf *TermFacets) Less(i, j int) bool {
+	if tf.termFacets[i].Count == tf.termFacets[j].Count {
+		return tf.termFacets[i].Term < tf.termFacets[j].Term
+	}
+	return tf.termFacets[i].Count > tf.termFacets[j].Count
+}
+
+// TermFacets used to be a type alias for []*TermFacet.
+// To maintain backwards compatibility, we have to implement custom
+// JSON marshalling.
+func (tf *TermFacets) MarshalJSON() ([]byte, error) {
+	return json.Marshal(tf.termFacets)
+}
+
+func (tf *TermFacets) UnmarshalJSON(b []byte) error {
+	termFacets := []*TermFacet{}
+	err := json.Unmarshal(b, &termFacets)
+	if err != nil {
+		return err
+	}
+
+	for _, termFacet := range termFacets {
+		tf.Add(termFacet)
+	}
+
+	return nil
 }

 type NumericRangeFacet struct {
@ -246,7 +301,7 @@ type FacetResult struct {
 	Total         int                `json:"total"`
 	Missing       int                `json:"missing"`
 	Other         int                `json:"other"`
-	Terms         TermFacets         `json:"terms,omitempty"`
+	Terms         *TermFacets        `json:"terms,omitempty"`
 	NumericRanges NumericRangeFacets `json:"numeric_ranges,omitempty"`
 	DateRanges    DateRangeFacets    `json:"date_ranges,omitempty"`
 }
@ -254,7 +309,7 @@ type FacetResult struct {
 func (fr *FacetResult) Size() int {
 	return reflectStaticSizeFacetResult + size.SizeOfPtr +
 		len(fr.Field) +
-		len(fr.Terms)*(reflectStaticSizeTermFacet+size.SizeOfPtr) +
+		fr.Terms.Len()*(reflectStaticSizeTermFacet+size.SizeOfPtr) +
 		len(fr.NumericRanges)*(reflectStaticSizeNumericRangeFacet+size.SizeOfPtr) +
 		len(fr.DateRanges)*(reflectStaticSizeDateRangeFacet+size.SizeOfPtr)
 }
@ -264,8 +319,8 @@ func (fr *FacetResult) Merge(other *FacetResult) {
 	fr.Missing += other.Missing
 	fr.Other += other.Other
 	if fr.Terms != nil && other.Terms != nil {
-		for _, term := range other.Terms {
-			fr.Terms = fr.Terms.Add(term)
+		for _, term := range other.Terms.termFacets {
+			fr.Terms.Add(term)
 		}
 	}
 	if fr.NumericRanges != nil && other.NumericRanges != nil {
@ -283,12 +338,12 @@ func (fr *FacetResult) Merge(other *FacetResult) {
 func (fr *FacetResult) Fixup(size int) {
 	if fr.Terms != nil {
 		sort.Sort(fr.Terms)
-		if len(fr.Terms) > size {
-			moveToOther := fr.Terms[size:]
+		if fr.Terms.Len() > size {
+			moveToOther := fr.Terms.termFacets[size:]
 			for _, mto := range moveToOther {
 				fr.Other += mto.Count
 			}
-			fr.Terms = fr.Terms[0:size]
+			fr.Terms.termFacets = fr.Terms.termFacets[0:size]
 		}
 	} else if fr.NumericRanges != nil {
 		sort.Sort(fr.NumericRanges)
--- a/vendor/github.com/blevesearch/bleve/v2/search/highlight/fragmenter/simple/simple.go
+++ b/vendor/github.com/blevesearch/bleve/v2/search/highlight/fragmenter/simple/simple.go
@ -123,9 +123,15 @@ OUTER:
 		// if there were no terms to highlight
 		// produce a single fragment from the beginning
 		start := 0
-		end := start + s.fragmentSize
-		if end > len(orig) {
-			end = len(orig)
+		end := start
+		used := 0
+		for end < len(orig) && used < s.fragmentSize {
+			r, size := utf8.DecodeRune(orig[end:])
+			if r == utf8.RuneError {
+				break
+			}
+			end += size
+			used++
 		}
 		rv = append(rv, &highlight.Fragment{Orig: orig, Start: start, End: end})
 	}
--- a/vendor/github.com/blevesearch/bleve/v2/search/query/ip_range.go
+++ b/vendor/github.com/blevesearch/bleve/v2/search/query/ip_range.go
@ -0,0 +1,84 @@
+//  Copyright (c) 2021 Couchbase, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 		http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package query
+
+import (
+	"fmt"
+	"net"
+
+	"github.com/blevesearch/bleve/v2/mapping"
+	"github.com/blevesearch/bleve/v2/search"
+	"github.com/blevesearch/bleve/v2/search/searcher"
+	index "github.com/blevesearch/bleve_index_api"
+)
+
+type IPRangeQuery struct {
+	CIDR     string `json:"cidr, omitempty"`
+	FieldVal string `json:"field,omitempty"`
+	BoostVal *Boost `json:"boost,omitempty"`
+}
+
+func NewIPRangeQuery(cidr string) *IPRangeQuery {
+	return &IPRangeQuery{
+		CIDR: cidr,
+	}
+}
+
+func (q *IPRangeQuery) SetBoost(b float64) {
+	boost := Boost(b)
+	q.BoostVal = &boost
+}
+
+func (q *IPRangeQuery) Boost() float64 {
+	return q.BoostVal.Value()
+}
+
+func (q *IPRangeQuery) SetField(f string) {
+	q.FieldVal = f
+}
+
+func (q *IPRangeQuery) Field() string {
+	return q.FieldVal
+}
+
+func (q *IPRangeQuery) Searcher(i index.IndexReader, m mapping.IndexMapping, options search.SearcherOptions) (search.Searcher, error) {
+	field := q.FieldVal
+	if q.FieldVal == "" {
+		field = m.DefaultSearchField()
+	}
+	_, ipNet, err := net.ParseCIDR(q.CIDR)
+	if err != nil {
+		ip := net.ParseIP(q.CIDR)
+		if ip == nil {
+			return nil, err
+		}
+		// If we are searching for a specific ip rather than members of a network, just use a term search.
+		return searcher.NewTermSearcherBytes(i, ip.To16(), field, q.BoostVal.Value(), options)
+	}
+	return searcher.NewIPRangeSearcher(i, ipNet, field, q.BoostVal.Value(), options)
+}
+
+func (q *IPRangeQuery) Validate() error {
+	_, _, err := net.ParseCIDR(q.CIDR)
+	if err == nil {
+		return nil
+	}
+	// We also allow search for a specific IP.
+	ip := net.ParseIP(q.CIDR)
+	if ip != nil {
+		return nil // we have a valid ip
+	}
+	return fmt.Errorf("IPRangeQuery must be for an network or ip address, %q", q.CIDR)
+}
--- a/vendor/github.com/blevesearch/bleve/v2/search/query/query_string_lex.go
+++ b/vendor/github.com/blevesearch/bleve/v2/search/query/query_string_lex.go
@ -248,8 +248,8 @@ func inTildeState(l *queryStringLex, next rune, eof bool) (lexState, bool) {
 }

 func inNumOrStrState(l *queryStringLex, next rune, eof bool) (lexState, bool) {
-	// only a non-escaped space ends the tilde (or eof)
-	if eof || (!l.inEscape && next == ' ') {
+	// end on non-escaped space, colon, tilde, boost (or eof)
+	if eof || (!l.inEscape && (next == ' ' || next == ':' || next == '^' || next == '~')) {
 		// end number
 		l.nextTokenType = tNUMBER
 		l.nextToken = &yySymType{
@ -257,7 +257,13 @@ func inNumOrStrState(l *queryStringLex, next rune, eof bool) (lexState, bool) {
 		}
 		logDebugTokens("NUMBER - '%s'", l.nextToken.s)
 		l.reset()
-		return startState, true
+
+		consumed := true
+		if !eof && (next == ':' || next == '^' || next == '~') {
+			consumed = false
+		}
+
+		return startState, consumed
 	} else if !l.inEscape && next == '\\' {
 		l.inEscape = true
 		return inNumOrStrState, true
@ -287,7 +293,7 @@ func inNumOrStrState(l *queryStringLex, next rune, eof bool) (lexState, bool) {
 }

 func inStrState(l *queryStringLex, next rune, eof bool) (lexState, bool) {
-	// end on non-escped space, colon, tilde, boost (or eof)
+	// end on non-escaped space, colon, tilde, boost (or eof)
 	if eof || (!l.inEscape && (next == ' ' || next == ':' || next == '^' || next == '~')) {
 		// end string
 		l.nextTokenType = tSTRING
--- a/vendor/github.com/blevesearch/bleve/v2/search/search.go
+++ b/vendor/github.com/blevesearch/bleve/v2/search/search.go
@ -270,7 +270,7 @@ func (dm *DocumentMatch) Complete(prealloc []Location) []Location {
 		var needsDedupe bool

 		for i, ftl := range dm.FieldTermLocations {
-			if lastField != ftl.Field {
+			if i == 0 || lastField != ftl.Field {
 				lastField = ftl.Field

 				if dm.Locations == nil {
--- a/vendor/github.com/blevesearch/bleve/v2/search/searcher/search_ip_range.go
+++ b/vendor/github.com/blevesearch/bleve/v2/search/searcher/search_ip_range.go
@ -0,0 +1,67 @@
+//  Copyright (c) 2014 Couchbase, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 		http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package searcher
+
+import (
+	"net"
+
+	"github.com/blevesearch/bleve/v2/search"
+	index "github.com/blevesearch/bleve_index_api"
+)
+
+// netLimits returns the lo and hi bounds inside the network.
+func netLimits(n *net.IPNet) (lo net.IP, hi net.IP) {
+	ones, bits := n.Mask.Size()
+	netNum := n.IP
+	if bits == net.IPv4len*8 {
+		netNum = netNum.To16()
+		ones += 8 * (net.IPv6len - net.IPv4len)
+	}
+	mask := net.CIDRMask(ones, 8*net.IPv6len)
+	lo = make(net.IP, net.IPv6len)
+	hi = make(net.IP, net.IPv6len)
+	for i := 0; i < net.IPv6len; i++ {
+		lo[i] = netNum[i] & mask[i]
+		hi[i] = lo[i] | ^mask[i]
+	}
+	return lo, hi
+}
+
+func NewIPRangeSearcher(indexReader index.IndexReader, ipNet *net.IPNet,
+	field string, boost float64, options search.SearcherOptions) (
+	search.Searcher, error) {
+
+	lo, hi := netLimits(ipNet)
+	fieldDict, err := indexReader.FieldDictRange(field, lo, hi)
+	if err != nil {
+		return nil, err
+	}
+	defer fieldDict.Close()
+
+	var terms []string
+	tfd, err := fieldDict.Next()
+	for err == nil && tfd != nil {
+		terms = append(terms, tfd.Term)
+		if tooManyClauses(len(terms)) {
+			return nil, tooManyClausesErr(field, len(terms))
+		}
+		tfd, err = fieldDict.Next()
+	}
+	if err != nil {
+		return nil, err
+	}
+
+	return NewMultiTermSearcher(indexReader, terms, field, boost, options, true)
+}
--- a/vendor/github.com/blevesearch/bleve/v2/search/sort.go
+++ b/vendor/github.com/blevesearch/bleve/v2/search/sort.go
@ -21,12 +21,13 @@ import (
 	"math"
 	"sort"
 	"strings"
+	"unicode/utf8"

 	"github.com/blevesearch/bleve/v2/geo"
 	"github.com/blevesearch/bleve/v2/numeric"
 )

-var HighTerm = strings.Repeat(string([]byte{0xff}), 10)
+var HighTerm = strings.Repeat(string(utf8.MaxRune), 3)
 var LowTerm = string([]byte{0x00})

 type SearchSort interface {
--- a/vendor/github.com/blevesearch/bleve_index_api/directory.go
+++ b/vendor/github.com/blevesearch/bleve_index_api/directory.go
@ -0,0 +1,23 @@
+//  Copyright (c) 2021 Couchbase, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 		http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package index
+
+import (
+	"io"
+)
+
+type Directory interface {
+	GetWriter(filePath string) (io.WriteCloser, error)
+}
--- a/vendor/github.com/blevesearch/mmap-go/go.mod
+++ b/vendor/github.com/blevesearch/mmap-go/go.mod
@ -1,3 +1,5 @@
 module github.com/blevesearch/mmap-go

-require golang.org/x/sys v0.0.0-20181221143128-b4a75ba826a6
+go 1.13
+
+require golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a
--- a/vendor/github.com/blevesearch/mmap-go/go.sum
+++ b/vendor/github.com/blevesearch/mmap-go/go.sum
@ -1,2 +1,2 @@
-golang.org/x/sys v0.0.0-20181221143128-b4a75ba826a6 h1:IcgEB62HYgAhX0Nd/QrVgZlxlcyxbGQHElLUhW2X4Fo=
-golang.org/x/sys v0.0.0-20181221143128-b4a75ba826a6/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a h1:aYOabOQFp6Vj6W1F80affTUvO9UxmJRx8K0gsfABByQ=
+golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
--- a/vendor/github.com/blevesearch/scorch_segment_api/v2/go.mod
+++ b/vendor/github.com/blevesearch/scorch_segment_api/v2/go.mod
@ -3,8 +3,7 @@ module github.com/blevesearch/scorch_segment_api/v2
 go 1.13

 require (
-	github.com/RoaringBitmap/roaring v0.4.23
-	github.com/blevesearch/bleve_index_api v1.0.0
+	github.com/RoaringBitmap/roaring v0.9.4
+	github.com/blevesearch/bleve_index_api v1.0.1
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/mschoch/smat v0.2.0 // indirect
 )
--- a/vendor/github.com/blevesearch/scorch_segment_api/v2/go.sum
+++ b/vendor/github.com/blevesearch/scorch_segment_api/v2/go.sum
@ -1,34 +1,19 @@
-github.com/RoaringBitmap/roaring v0.4.23 h1:gpyfd12QohbqhFO4NVDUdoPOCXsyahYRQhINmlHxKeo=
-github.com/RoaringBitmap/roaring v0.4.23/go.mod h1:D0gp8kJQgE1A4LQ5wFLggQEyvDi06Mq5mKs52e1TwOo=
-github.com/blevesearch/bleve_index_api v1.0.0 h1:Ds3XeuTxjXCkG6pgIwWDRyooJKNIuOKemnN0N0IkhTU=
-github.com/blevesearch/bleve_index_api v1.0.0/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
+github.com/RoaringBitmap/roaring v0.9.4 h1:ckvZSX5gwCRaJYBNe7syNawCU5oruY9gQmjXlp4riwo=
+github.com/RoaringBitmap/roaring v0.9.4/go.mod h1:icnadbWcNyfEHlYdr+tDlOTih1Bf/h+rzPpv4sbomAA=
+github.com/bits-and-blooms/bitset v1.2.0 h1:Kn4yilvwNtMACtf1eYDlG8H77R07mZSPbMjLyS07ChA=
+github.com/bits-and-blooms/bitset v1.2.0/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
+github.com/blevesearch/bleve_index_api v1.0.1 h1:nx9++0hnyiGOHJwQQYfsUGzpRdEVE5LsylmmngQvaFk=
+github.com/blevesearch/bleve_index_api v1.0.1/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/glycerine/go-unsnap-stream v0.0.0-20181221182339-f9677308dec2 h1:Ujru1hufTHVb++eG6OuNDKMxZnGIvF6o/u8q/8h2+I4=
-github.com/glycerine/go-unsnap-stream v0.0.0-20181221182339-f9677308dec2/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE=
-github.com/glycerine/goconvey v0.0.0-20190410193231-58a59202ab31 h1:gclg6gY70GLy3PbkQ1AERPfmLMMagS60DKF78eWwLn8=
-github.com/glycerine/goconvey v0.0.0-20190410193231-58a59202ab31/go.mod h1:Ogl1Tioa0aV7gstGFO7KhffUsb9M4ydbEbbxpcEDc24=
-github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
-github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
-github.com/gopherjs/gopherjs v0.0.0-20190910122728-9d188e94fb99 h1:twflg0XRTjwKpxb/jFExr4HGq6on2dEOmnL6FV+fgPw=
-github.com/gopherjs/gopherjs v0.0.0-20190910122728-9d188e94fb99/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
-github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
-github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
-github.com/mschoch/smat v0.0.0-20160514031455-90eadee771ae/go.mod h1:qAyveg+e4CE+eKJXWVjKXM4ck2QobLqTDytGJbLLhJg=
 github.com/mschoch/smat v0.2.0 h1:8imxQsjDm8yFEAVBe7azKmKSgzSkZXDuKkSq9374khM=
 github.com/mschoch/smat v0.2.0/go.mod h1:kc9mz7DoBKqDyiRL7VZN8KvXQMWeTaVnttLRXOlotKw=
-github.com/philhofer/fwd v1.0.0 h1:UbZqGr5Y38ApvM/V/jEljVxwocdweyH+vmYvRPBnbqQ=
-github.com/philhofer/fwd v1.0.0/go.mod h1:gk3iGcWd9+svBvR0sR+KPcfE+RNWozjowpeBVG3ZVNU=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/tinylib/msgp v1.1.0 h1:9fQd+ICuRIu/ue4vxJZu6/LzxN0HwMds2nq/0cFvxHU=
-github.com/tinylib/msgp v1.1.0/go.mod h1:+d+yLhGm8mzTaHzB+wgMYrodPfmZrzkirds8fDWklFE=
-github.com/willf/bitset v1.1.10 h1:NotGKqX0KwQ72NUzqrjZq5ipPNDQex9lo3WpaS8L2sc=
-github.com/willf/bitset v1.1.10/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
--- a/vendor/github.com/blevesearch/vellum/go.mod
+++ b/vendor/github.com/blevesearch/vellum/go.mod
@ -1,10 +1,9 @@
 module github.com/blevesearch/vellum

-go 1.12
+go 1.13

 require (
 	github.com/bits-and-blooms/bitset v1.2.0
-	github.com/blevesearch/mmap-go v1.0.2
+	github.com/blevesearch/mmap-go v1.0.3
 	github.com/spf13/cobra v0.0.5
-	golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a // indirect
 )
--- a/vendor/github.com/blevesearch/vellum/go.sum
+++ b/vendor/github.com/blevesearch/vellum/go.sum
@ -2,8 +2,8 @@ github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/bits-and-blooms/bitset v1.2.0 h1:Kn4yilvwNtMACtf1eYDlG8H77R07mZSPbMjLyS07ChA=
 github.com/bits-and-blooms/bitset v1.2.0/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
-github.com/blevesearch/mmap-go v1.0.2 h1:JtMHb+FgQCTTYIhtMvimw15dJwu1Y5lrZDMOFXVWPk0=
-github.com/blevesearch/mmap-go v1.0.2/go.mod h1:ol2qBqYaOUsGdm7aRMRrYGgPvnwLe6Y+7LMvAB5IbSA=
+github.com/blevesearch/mmap-go v1.0.3 h1:7QkALgFNooSq3a46AE+pWeKASAZc9SiNFJhDGF1NDx4=
+github.com/blevesearch/mmap-go v1.0.3/go.mod h1:pYvKl/grLQrBxuaRYgoTssa4rVujYYeenDp++2E+yvs=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
@ -32,7 +32,6 @@ github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljT
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181221143128-b4a75ba826a6/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a h1:aYOabOQFp6Vj6W1F80affTUvO9UxmJRx8K0gsfABByQ=
 golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
--- a/vendor/github.com/blevesearch/zapx/v11/build.go
+++ b/vendor/github.com/blevesearch/zapx/v11/build.go
@ -16,6 +16,8 @@ package zap

 import (
 	"bufio"
+	"fmt"
+	"io"
 	"math"
 	"os"

@ -32,6 +34,16 @@ func (sb *SegmentBase) Persist(path string) error {
 	return PersistSegmentBase(sb, path)
 }

+// WriteTo is an implementation of io.WriterTo interface.
+func (sb *SegmentBase) WriteTo(w io.Writer) (int64, error) {
+	if w == nil {
+		return 0, fmt.Errorf("invalid writer found")
+	}
+
+	n, err := persistSegmentBaseToWriter(sb, w)
+	return int64(n), err
+}
+
 // PersistSegmentBase persists SegmentBase in the zap file format.
 func PersistSegmentBase(sb *SegmentBase, path string) error {
 	flag := os.O_RDWR | os.O_CREATE
@ -46,22 +58,7 @@ func PersistSegmentBase(sb *SegmentBase, path string) error {
 		_ = os.Remove(path)
 	}

-	br := bufio.NewWriter(f)
-
-	_, err = br.Write(sb.mem)
-	if err != nil {
-		cleanup()
-		return err
-	}
-
-	err = persistFooter(sb.numDocs, sb.storedIndexOffset, sb.fieldsIndexOffset, sb.docValueOffset,
-		sb.chunkFactor, sb.memCRC, br)
-	if err != nil {
-		cleanup()
-		return err
-	}
-
-	err = br.Flush()
+	_, err = persistSegmentBaseToWriter(sb, f)
 	if err != nil {
 		cleanup()
 		return err
@ -79,7 +76,40 @@ func PersistSegmentBase(sb *SegmentBase, path string) error {
 		return err
 	}

-	return nil
+	return err
+}
+
+type bufWriter struct {
+	w *bufio.Writer
+	n int
+}
+
+func (br *bufWriter) Write(in []byte) (int, error) {
+	n, err := br.w.Write(in)
+	br.n += n
+	return n, err
+}
+
+func persistSegmentBaseToWriter(sb *SegmentBase, w io.Writer) (int, error) {
+	br := &bufWriter{w: bufio.NewWriter(w)}
+
+	_, err := br.Write(sb.mem)
+	if err != nil {
+		return 0, err
+	}
+
+	err = persistFooter(sb.numDocs, sb.storedIndexOffset, sb.fieldsIndexOffset,
+		sb.docValueOffset, sb.chunkFactor, sb.memCRC, br)
+	if err != nil {
+		return 0, err
+	}
+
+	err = br.w.Flush()
+	if err != nil {
+		return 0, err
+	}
+
+	return br.n, nil
 }

 func persistStoredFieldValues(fieldID int,
--- a/vendor/github.com/blevesearch/zapx/v11/go.mod
+++ b/vendor/github.com/blevesearch/zapx/v11/go.mod
@ -1,13 +1,13 @@
 module github.com/blevesearch/zapx/v11

-go 1.12
+go 1.13

 require (
-	github.com/RoaringBitmap/roaring v0.7.3
-	github.com/blevesearch/bleve_index_api v1.0.0
-	github.com/blevesearch/mmap-go v1.0.2
-	github.com/blevesearch/scorch_segment_api/v2 v2.0.1
-	github.com/blevesearch/vellum v1.0.5
+	github.com/RoaringBitmap/roaring v0.9.4
+	github.com/blevesearch/bleve_index_api v1.0.1
+	github.com/blevesearch/mmap-go v1.0.3
+	github.com/blevesearch/scorch_segment_api/v2 v2.1.0
+	github.com/blevesearch/vellum v1.0.7
 	github.com/golang/snappy v0.0.1
 	github.com/spf13/cobra v0.0.5
 )
--- a/vendor/github.com/blevesearch/zapx/v11/go.sum
+++ b/vendor/github.com/blevesearch/zapx/v11/go.sum
@ -1,19 +1,17 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/Julusian/godocdown v0.0.0-20170816220326-6d19f8ff2df8/go.mod h1:INZr5t32rG59/5xeltqoCJoNY7e5x/3xoY9WSWVWg74=
-github.com/RoaringBitmap/roaring v0.4.23/go.mod h1:D0gp8kJQgE1A4LQ5wFLggQEyvDi06Mq5mKs52e1TwOo=
-github.com/RoaringBitmap/roaring v0.7.3 h1:RwirWpvFONt2EwHHEHhER7S4BHZkyj3qL5LXLlnQPZ4=
-github.com/RoaringBitmap/roaring v0.7.3/go.mod h1:jdT9ykXwHFNdJbEtxePexlFYH9LXucApeS0/+/g+p1I=
+github.com/RoaringBitmap/roaring v0.9.4 h1:ckvZSX5gwCRaJYBNe7syNawCU5oruY9gQmjXlp4riwo=
+github.com/RoaringBitmap/roaring v0.9.4/go.mod h1:icnadbWcNyfEHlYdr+tDlOTih1Bf/h+rzPpv4sbomAA=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/bits-and-blooms/bitset v1.2.0 h1:Kn4yilvwNtMACtf1eYDlG8H77R07mZSPbMjLyS07ChA=
 github.com/bits-and-blooms/bitset v1.2.0/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
-github.com/blevesearch/bleve_index_api v1.0.0 h1:Ds3XeuTxjXCkG6pgIwWDRyooJKNIuOKemnN0N0IkhTU=
-github.com/blevesearch/bleve_index_api v1.0.0/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
-github.com/blevesearch/mmap-go v1.0.2 h1:JtMHb+FgQCTTYIhtMvimw15dJwu1Y5lrZDMOFXVWPk0=
-github.com/blevesearch/mmap-go v1.0.2/go.mod h1:ol2qBqYaOUsGdm7aRMRrYGgPvnwLe6Y+7LMvAB5IbSA=
-github.com/blevesearch/scorch_segment_api/v2 v2.0.1 h1:fd+hPtZ8GsbqPK1HslGp7Vhoik4arZteA/IsCEgOisw=
-github.com/blevesearch/scorch_segment_api/v2 v2.0.1/go.mod h1:lq7yK2jQy1yQjtjTfU931aVqz7pYxEudHaDwOt1tXfU=
-github.com/blevesearch/vellum v1.0.5 h1:L5dJ7hKauRVbuH7I8uqLeSK92CPPY6FfrbAmLhAug8A=
-github.com/blevesearch/vellum v1.0.5/go.mod h1:atE0EH3fvk43zzS7t1YNdNC7DbmcC3uz+eMD5xZ2OyQ=
+github.com/blevesearch/bleve_index_api v1.0.1 h1:nx9++0hnyiGOHJwQQYfsUGzpRdEVE5LsylmmngQvaFk=
+github.com/blevesearch/bleve_index_api v1.0.1/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
+github.com/blevesearch/mmap-go v1.0.3 h1:7QkALgFNooSq3a46AE+pWeKASAZc9SiNFJhDGF1NDx4=
+github.com/blevesearch/mmap-go v1.0.3/go.mod h1:pYvKl/grLQrBxuaRYgoTssa4rVujYYeenDp++2E+yvs=
+github.com/blevesearch/scorch_segment_api/v2 v2.1.0 h1:NFwteOpZEvJk5Vg0H6gD0hxupsG3JYocE4DBvsA2GZI=
+github.com/blevesearch/scorch_segment_api/v2 v2.1.0/go.mod h1:uch7xyyO/Alxkuxa+CGs79vw0QY8BENSBjg6Mw5L5DE=
+github.com/blevesearch/vellum v1.0.7 h1:+vn8rfyCRHxKVRgDLeR0FAXej2+6mEb5Q15aQE/XESQ=
+github.com/blevesearch/vellum v1.0.7/go.mod h1:doBZpmRhwTsASB4QdUZANlJvqVAUdUyX0ZK7QJCTeBE=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
@ -21,29 +19,20 @@ github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwc
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dvyukov/go-fuzz v0.0.0-20210429054444-fca39067bc72/go.mod h1:11Gm+ccJnvAhCNLlf5+cS9KjtbaD5I5zaZpFMsTHWTw=
-github.com/elazarl/go-bindata-assetfs v1.0.1/go.mod h1:v+YaWX3bdea5J/mo8dSETolEo7R71Vk1u8bnjau5yw4=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/glycerine/go-unsnap-stream v0.0.0-20181221182339-f9677308dec2/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE=
-github.com/glycerine/goconvey v0.0.0-20190410193231-58a59202ab31/go.mod h1:Ogl1Tioa0aV7gstGFO7KhffUsb9M4ydbEbbxpcEDc24=
 github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
-github.com/gopherjs/gopherjs v0.0.0-20190910122728-9d188e94fb99/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
-github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/mschoch/smat v0.0.0-20160514031455-90eadee771ae/go.mod h1:qAyveg+e4CE+eKJXWVjKXM4ck2QobLqTDytGJbLLhJg=
 github.com/mschoch/smat v0.2.0 h1:8imxQsjDm8yFEAVBe7azKmKSgzSkZXDuKkSq9374khM=
 github.com/mschoch/smat v0.2.0/go.mod h1:kc9mz7DoBKqDyiRL7VZN8KvXQMWeTaVnttLRXOlotKw=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
-github.com/philhofer/fwd v1.0.0/go.mod h1:gk3iGcWd9+svBvR0sR+KPcfE+RNWozjowpeBVG3ZVNU=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/robertkrimen/godocdown v0.0.0-20130622164427-0bfa04905481/go.mod h1:C9WhFzY47SzYBIvzFqSvHIR6ROgDo4TtdTuRaOMjF/s=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
@ -53,43 +42,17 @@ github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb6
 github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
-github.com/stephens2424/writerset v1.0.2/go.mod h1:aS2JhsMn6eA7e82oNmW4rfsgAOp9COBTTl8mzkwADnc=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/tinylib/msgp v1.1.0/go.mod h1:+d+yLhGm8mzTaHzB+wgMYrodPfmZrzkirds8fDWklFE=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
-github.com/willf/bitset v1.1.10/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
-github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
-golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
-golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181221143128-b4a75ba826a6/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a h1:aYOabOQFp6Vj6W1F80affTUvO9UxmJRx8K0gsfABByQ=
 golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
-golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.0.0-20200928182047-19e03678916f/go.mod h1:z6u4i615ZeAfBE4XtMziQW1fSVJXACjjbWkB/mvPzlU=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
--- a/vendor/github.com/blevesearch/zapx/v11/posting.go
+++ b/vendor/github.com/blevesearch/zapx/v11/posting.go
@ -657,13 +657,18 @@ func (i *PostingsIterator) nextDocNumAtOrAfter(atOrAfter uint64) (uint64, bool,
 		return 0, false, nil
 	}

-	if i.postings == nil || i.postings.postings == i.ActualBM {
+	if i.postings == nil || i.postings == emptyPostingsList {
+		// couldn't find anything
+		return 0, false, nil
+	}
+
+	if i.postings.postings == i.ActualBM {
 		return i.nextDocNumAtOrAfterClean(atOrAfter)
 	}

 	i.Actual.AdvanceIfNeeded(uint32(atOrAfter))

-	if !i.Actual.HasNext() {
+	if !i.Actual.HasNext() || !i.all.HasNext() {
 		// couldn't find anything
 		return 0, false, nil
 	}
@ -688,6 +693,10 @@ func (i *PostingsIterator) nextDocNumAtOrAfter(atOrAfter uint64) (uint64, bool,
 			}
 		}

+		if !i.all.HasNext() {
+			return 0, false, nil
+		}
+
 		allN = i.all.Next()
 	}

--- a/vendor/github.com/blevesearch/zapx/v12/build.go
+++ b/vendor/github.com/blevesearch/zapx/v12/build.go
@ -16,6 +16,8 @@ package zap

 import (
 	"bufio"
+	"fmt"
+	"io"
 	"math"
 	"os"

@ -32,6 +34,16 @@ func (sb *SegmentBase) Persist(path string) error {
 	return PersistSegmentBase(sb, path)
 }

+// WriteTo is an implementation of io.WriterTo interface.
+func (sb *SegmentBase) WriteTo(w io.Writer) (int64, error) {
+	if w == nil {
+		return 0, fmt.Errorf("invalid writer found")
+	}
+
+	n, err := persistSegmentBaseToWriter(sb, w)
+	return int64(n), err
+}
+
 // PersistSegmentBase persists SegmentBase in the zap file format.
 func PersistSegmentBase(sb *SegmentBase, path string) error {
 	flag := os.O_RDWR | os.O_CREATE
@ -46,22 +58,7 @@ func PersistSegmentBase(sb *SegmentBase, path string) error {
 		_ = os.Remove(path)
 	}

-	br := bufio.NewWriter(f)
-
-	_, err = br.Write(sb.mem)
-	if err != nil {
-		cleanup()
-		return err
-	}
-
-	err = persistFooter(sb.numDocs, sb.storedIndexOffset, sb.fieldsIndexOffset, sb.docValueOffset,
-		sb.chunkMode, sb.memCRC, br)
-	if err != nil {
-		cleanup()
-		return err
-	}
-
-	err = br.Flush()
+	_, err = persistSegmentBaseToWriter(sb, f)
 	if err != nil {
 		cleanup()
 		return err
@ -79,7 +76,40 @@ func PersistSegmentBase(sb *SegmentBase, path string) error {
 		return err
 	}

-	return nil
+	return err
+}
+
+type bufWriter struct {
+	w *bufio.Writer
+	n int
+}
+
+func (br *bufWriter) Write(in []byte) (int, error) {
+	n, err := br.w.Write(in)
+	br.n += n
+	return n, err
+}
+
+func persistSegmentBaseToWriter(sb *SegmentBase, w io.Writer) (int, error) {
+	br := &bufWriter{w: bufio.NewWriter(w)}
+
+	_, err := br.Write(sb.mem)
+	if err != nil {
+		return 0, err
+	}
+
+	err = persistFooter(sb.numDocs, sb.storedIndexOffset, sb.fieldsIndexOffset,
+		sb.docValueOffset, sb.chunkMode, sb.memCRC, br)
+	if err != nil {
+		return 0, err
+	}
+
+	err = br.w.Flush()
+	if err != nil {
+		return 0, err
+	}
+
+	return br.n, nil
 }

 func persistStoredFieldValues(fieldID int,
--- a/vendor/github.com/blevesearch/zapx/v12/go.mod
+++ b/vendor/github.com/blevesearch/zapx/v12/go.mod
@ -1,13 +1,13 @@
 module github.com/blevesearch/zapx/v12

-go 1.12
+go 1.13

 require (
-	github.com/RoaringBitmap/roaring v0.7.3
-	github.com/blevesearch/bleve_index_api v1.0.0
-	github.com/blevesearch/mmap-go v1.0.2
-	github.com/blevesearch/scorch_segment_api/v2 v2.0.1
-	github.com/blevesearch/vellum v1.0.5
+	github.com/RoaringBitmap/roaring v0.9.4
+	github.com/blevesearch/bleve_index_api v1.0.1
+	github.com/blevesearch/mmap-go v1.0.3
+	github.com/blevesearch/scorch_segment_api/v2 v2.1.0
+	github.com/blevesearch/vellum v1.0.7
 	github.com/golang/snappy v0.0.1
 	github.com/spf13/cobra v0.0.5
 )
--- a/vendor/github.com/blevesearch/zapx/v12/go.sum
+++ b/vendor/github.com/blevesearch/zapx/v12/go.sum
@ -1,19 +1,17 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/Julusian/godocdown v0.0.0-20170816220326-6d19f8ff2df8/go.mod h1:INZr5t32rG59/5xeltqoCJoNY7e5x/3xoY9WSWVWg74=
-github.com/RoaringBitmap/roaring v0.4.23/go.mod h1:D0gp8kJQgE1A4LQ5wFLggQEyvDi06Mq5mKs52e1TwOo=
-github.com/RoaringBitmap/roaring v0.7.3 h1:RwirWpvFONt2EwHHEHhER7S4BHZkyj3qL5LXLlnQPZ4=
-github.com/RoaringBitmap/roaring v0.7.3/go.mod h1:jdT9ykXwHFNdJbEtxePexlFYH9LXucApeS0/+/g+p1I=
+github.com/RoaringBitmap/roaring v0.9.4 h1:ckvZSX5gwCRaJYBNe7syNawCU5oruY9gQmjXlp4riwo=
+github.com/RoaringBitmap/roaring v0.9.4/go.mod h1:icnadbWcNyfEHlYdr+tDlOTih1Bf/h+rzPpv4sbomAA=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/bits-and-blooms/bitset v1.2.0 h1:Kn4yilvwNtMACtf1eYDlG8H77R07mZSPbMjLyS07ChA=
 github.com/bits-and-blooms/bitset v1.2.0/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
-github.com/blevesearch/bleve_index_api v1.0.0 h1:Ds3XeuTxjXCkG6pgIwWDRyooJKNIuOKemnN0N0IkhTU=
-github.com/blevesearch/bleve_index_api v1.0.0/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
-github.com/blevesearch/mmap-go v1.0.2 h1:JtMHb+FgQCTTYIhtMvimw15dJwu1Y5lrZDMOFXVWPk0=
-github.com/blevesearch/mmap-go v1.0.2/go.mod h1:ol2qBqYaOUsGdm7aRMRrYGgPvnwLe6Y+7LMvAB5IbSA=
-github.com/blevesearch/scorch_segment_api/v2 v2.0.1 h1:fd+hPtZ8GsbqPK1HslGp7Vhoik4arZteA/IsCEgOisw=
-github.com/blevesearch/scorch_segment_api/v2 v2.0.1/go.mod h1:lq7yK2jQy1yQjtjTfU931aVqz7pYxEudHaDwOt1tXfU=
-github.com/blevesearch/vellum v1.0.5 h1:L5dJ7hKauRVbuH7I8uqLeSK92CPPY6FfrbAmLhAug8A=
-github.com/blevesearch/vellum v1.0.5/go.mod h1:atE0EH3fvk43zzS7t1YNdNC7DbmcC3uz+eMD5xZ2OyQ=
+github.com/blevesearch/bleve_index_api v1.0.1 h1:nx9++0hnyiGOHJwQQYfsUGzpRdEVE5LsylmmngQvaFk=
+github.com/blevesearch/bleve_index_api v1.0.1/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
+github.com/blevesearch/mmap-go v1.0.3 h1:7QkALgFNooSq3a46AE+pWeKASAZc9SiNFJhDGF1NDx4=
+github.com/blevesearch/mmap-go v1.0.3/go.mod h1:pYvKl/grLQrBxuaRYgoTssa4rVujYYeenDp++2E+yvs=
+github.com/blevesearch/scorch_segment_api/v2 v2.1.0 h1:NFwteOpZEvJk5Vg0H6gD0hxupsG3JYocE4DBvsA2GZI=
+github.com/blevesearch/scorch_segment_api/v2 v2.1.0/go.mod h1:uch7xyyO/Alxkuxa+CGs79vw0QY8BENSBjg6Mw5L5DE=
+github.com/blevesearch/vellum v1.0.7 h1:+vn8rfyCRHxKVRgDLeR0FAXej2+6mEb5Q15aQE/XESQ=
+github.com/blevesearch/vellum v1.0.7/go.mod h1:doBZpmRhwTsASB4QdUZANlJvqVAUdUyX0ZK7QJCTeBE=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
@ -21,29 +19,20 @@ github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwc
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dvyukov/go-fuzz v0.0.0-20210429054444-fca39067bc72/go.mod h1:11Gm+ccJnvAhCNLlf5+cS9KjtbaD5I5zaZpFMsTHWTw=
-github.com/elazarl/go-bindata-assetfs v1.0.1/go.mod h1:v+YaWX3bdea5J/mo8dSETolEo7R71Vk1u8bnjau5yw4=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/glycerine/go-unsnap-stream v0.0.0-20181221182339-f9677308dec2/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE=
-github.com/glycerine/goconvey v0.0.0-20190410193231-58a59202ab31/go.mod h1:Ogl1Tioa0aV7gstGFO7KhffUsb9M4ydbEbbxpcEDc24=
 github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
-github.com/gopherjs/gopherjs v0.0.0-20190910122728-9d188e94fb99/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
-github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/mschoch/smat v0.0.0-20160514031455-90eadee771ae/go.mod h1:qAyveg+e4CE+eKJXWVjKXM4ck2QobLqTDytGJbLLhJg=
 github.com/mschoch/smat v0.2.0 h1:8imxQsjDm8yFEAVBe7azKmKSgzSkZXDuKkSq9374khM=
 github.com/mschoch/smat v0.2.0/go.mod h1:kc9mz7DoBKqDyiRL7VZN8KvXQMWeTaVnttLRXOlotKw=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
-github.com/philhofer/fwd v1.0.0/go.mod h1:gk3iGcWd9+svBvR0sR+KPcfE+RNWozjowpeBVG3ZVNU=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/robertkrimen/godocdown v0.0.0-20130622164427-0bfa04905481/go.mod h1:C9WhFzY47SzYBIvzFqSvHIR6ROgDo4TtdTuRaOMjF/s=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
@ -53,43 +42,17 @@ github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb6
 github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
-github.com/stephens2424/writerset v1.0.2/go.mod h1:aS2JhsMn6eA7e82oNmW4rfsgAOp9COBTTl8mzkwADnc=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/tinylib/msgp v1.1.0/go.mod h1:+d+yLhGm8mzTaHzB+wgMYrodPfmZrzkirds8fDWklFE=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
-github.com/willf/bitset v1.1.10/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
-github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
-golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
-golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181221143128-b4a75ba826a6/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a h1:aYOabOQFp6Vj6W1F80affTUvO9UxmJRx8K0gsfABByQ=
 golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
-golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.0.0-20200928182047-19e03678916f/go.mod h1:z6u4i615ZeAfBE4XtMziQW1fSVJXACjjbWkB/mvPzlU=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
--- a/vendor/github.com/blevesearch/zapx/v12/posting.go
+++ b/vendor/github.com/blevesearch/zapx/v12/posting.go
@ -536,13 +536,18 @@ func (i *PostingsIterator) nextDocNumAtOrAfter(atOrAfter uint64) (uint64, bool,
 		return 0, false, nil
 	}

-	if i.postings == nil || i.postings.postings == i.ActualBM {
+	if i.postings == nil || i.postings == emptyPostingsList {
+		// couldn't find anything
+		return 0, false, nil
+	}
+
+	if i.postings.postings == i.ActualBM {
 		return i.nextDocNumAtOrAfterClean(atOrAfter)
 	}

 	i.Actual.AdvanceIfNeeded(uint32(atOrAfter))

-	if !i.Actual.HasNext() {
+	if !i.Actual.HasNext() || !i.all.HasNext() {
 		// couldn't find anything
 		return 0, false, nil
 	}
@ -571,6 +576,10 @@ func (i *PostingsIterator) nextDocNumAtOrAfter(atOrAfter uint64) (uint64, bool,
 			}
 		}

+		if !i.all.HasNext() {
+			return 0, false, nil
+		}
+
 		allN = i.all.Next()
 	}

--- a/vendor/github.com/blevesearch/zapx/v13/build.go
+++ b/vendor/github.com/blevesearch/zapx/v13/build.go
@ -16,6 +16,8 @@ package zap

 import (
 	"bufio"
+	"fmt"
+	"io"
 	"math"
 	"os"

@ -32,6 +34,16 @@ func (sb *SegmentBase) Persist(path string) error {
 	return PersistSegmentBase(sb, path)
 }

+// WriteTo is an implementation of io.WriterTo interface.
+func (sb *SegmentBase) WriteTo(w io.Writer) (int64, error) {
+	if w == nil {
+		return 0, fmt.Errorf("invalid writer found")
+	}
+
+	n, err := persistSegmentBaseToWriter(sb, w)
+	return int64(n), err
+}
+
 // PersistSegmentBase persists SegmentBase in the zap file format.
 func PersistSegmentBase(sb *SegmentBase, path string) error {
 	flag := os.O_RDWR | os.O_CREATE
@ -46,22 +58,7 @@ func PersistSegmentBase(sb *SegmentBase, path string) error {
 		_ = os.Remove(path)
 	}

-	br := bufio.NewWriter(f)
-
-	_, err = br.Write(sb.mem)
-	if err != nil {
-		cleanup()
-		return err
-	}
-
-	err = persistFooter(sb.numDocs, sb.storedIndexOffset, sb.fieldsIndexOffset, sb.docValueOffset,
-		sb.chunkMode, sb.memCRC, br)
-	if err != nil {
-		cleanup()
-		return err
-	}
-
-	err = br.Flush()
+	_, err = persistSegmentBaseToWriter(sb, f)
 	if err != nil {
 		cleanup()
 		return err
@ -79,7 +76,40 @@ func PersistSegmentBase(sb *SegmentBase, path string) error {
 		return err
 	}

-	return nil
+	return err
+}
+
+type bufWriter struct {
+	w *bufio.Writer
+	n int
+}
+
+func (br *bufWriter) Write(in []byte) (int, error) {
+	n, err := br.w.Write(in)
+	br.n += n
+	return n, err
+}
+
+func persistSegmentBaseToWriter(sb *SegmentBase, w io.Writer) (int, error) {
+	br := &bufWriter{w: bufio.NewWriter(w)}
+
+	_, err := br.Write(sb.mem)
+	if err != nil {
+		return 0, err
+	}
+
+	err = persistFooter(sb.numDocs, sb.storedIndexOffset, sb.fieldsIndexOffset,
+		sb.docValueOffset, sb.chunkMode, sb.memCRC, br)
+	if err != nil {
+		return 0, err
+	}
+
+	err = br.w.Flush()
+	if err != nil {
+		return 0, err
+	}
+
+	return br.n, nil
 }

 func persistStoredFieldValues(fieldID int,
--- a/vendor/github.com/blevesearch/zapx/v13/go.mod
+++ b/vendor/github.com/blevesearch/zapx/v13/go.mod
@ -1,13 +1,13 @@
 module github.com/blevesearch/zapx/v13

-go 1.12
+go 1.13

 require (
-	github.com/RoaringBitmap/roaring v0.7.3
-	github.com/blevesearch/bleve_index_api v1.0.0
-	github.com/blevesearch/mmap-go v1.0.2
-	github.com/blevesearch/scorch_segment_api/v2 v2.0.1
-	github.com/blevesearch/vellum v1.0.5
+	github.com/RoaringBitmap/roaring v0.9.4
+	github.com/blevesearch/bleve_index_api v1.0.1
+	github.com/blevesearch/mmap-go v1.0.3
+	github.com/blevesearch/scorch_segment_api/v2 v2.1.0
+	github.com/blevesearch/vellum v1.0.7
 	github.com/golang/snappy v0.0.1
 	github.com/spf13/cobra v0.0.5
 )
--- a/vendor/github.com/blevesearch/zapx/v13/go.sum
+++ b/vendor/github.com/blevesearch/zapx/v13/go.sum
@ -1,19 +1,17 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/Julusian/godocdown v0.0.0-20170816220326-6d19f8ff2df8/go.mod h1:INZr5t32rG59/5xeltqoCJoNY7e5x/3xoY9WSWVWg74=
-github.com/RoaringBitmap/roaring v0.4.23/go.mod h1:D0gp8kJQgE1A4LQ5wFLggQEyvDi06Mq5mKs52e1TwOo=
-github.com/RoaringBitmap/roaring v0.7.3 h1:RwirWpvFONt2EwHHEHhER7S4BHZkyj3qL5LXLlnQPZ4=
-github.com/RoaringBitmap/roaring v0.7.3/go.mod h1:jdT9ykXwHFNdJbEtxePexlFYH9LXucApeS0/+/g+p1I=
+github.com/RoaringBitmap/roaring v0.9.4 h1:ckvZSX5gwCRaJYBNe7syNawCU5oruY9gQmjXlp4riwo=
+github.com/RoaringBitmap/roaring v0.9.4/go.mod h1:icnadbWcNyfEHlYdr+tDlOTih1Bf/h+rzPpv4sbomAA=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/bits-and-blooms/bitset v1.2.0 h1:Kn4yilvwNtMACtf1eYDlG8H77R07mZSPbMjLyS07ChA=
 github.com/bits-and-blooms/bitset v1.2.0/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
-github.com/blevesearch/bleve_index_api v1.0.0 h1:Ds3XeuTxjXCkG6pgIwWDRyooJKNIuOKemnN0N0IkhTU=
-github.com/blevesearch/bleve_index_api v1.0.0/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
-github.com/blevesearch/mmap-go v1.0.2 h1:JtMHb+FgQCTTYIhtMvimw15dJwu1Y5lrZDMOFXVWPk0=
-github.com/blevesearch/mmap-go v1.0.2/go.mod h1:ol2qBqYaOUsGdm7aRMRrYGgPvnwLe6Y+7LMvAB5IbSA=
-github.com/blevesearch/scorch_segment_api/v2 v2.0.1 h1:fd+hPtZ8GsbqPK1HslGp7Vhoik4arZteA/IsCEgOisw=
-github.com/blevesearch/scorch_segment_api/v2 v2.0.1/go.mod h1:lq7yK2jQy1yQjtjTfU931aVqz7pYxEudHaDwOt1tXfU=
-github.com/blevesearch/vellum v1.0.5 h1:L5dJ7hKauRVbuH7I8uqLeSK92CPPY6FfrbAmLhAug8A=
-github.com/blevesearch/vellum v1.0.5/go.mod h1:atE0EH3fvk43zzS7t1YNdNC7DbmcC3uz+eMD5xZ2OyQ=
+github.com/blevesearch/bleve_index_api v1.0.1 h1:nx9++0hnyiGOHJwQQYfsUGzpRdEVE5LsylmmngQvaFk=
+github.com/blevesearch/bleve_index_api v1.0.1/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
+github.com/blevesearch/mmap-go v1.0.3 h1:7QkALgFNooSq3a46AE+pWeKASAZc9SiNFJhDGF1NDx4=
+github.com/blevesearch/mmap-go v1.0.3/go.mod h1:pYvKl/grLQrBxuaRYgoTssa4rVujYYeenDp++2E+yvs=
+github.com/blevesearch/scorch_segment_api/v2 v2.1.0 h1:NFwteOpZEvJk5Vg0H6gD0hxupsG3JYocE4DBvsA2GZI=
+github.com/blevesearch/scorch_segment_api/v2 v2.1.0/go.mod h1:uch7xyyO/Alxkuxa+CGs79vw0QY8BENSBjg6Mw5L5DE=
+github.com/blevesearch/vellum v1.0.7 h1:+vn8rfyCRHxKVRgDLeR0FAXej2+6mEb5Q15aQE/XESQ=
+github.com/blevesearch/vellum v1.0.7/go.mod h1:doBZpmRhwTsASB4QdUZANlJvqVAUdUyX0ZK7QJCTeBE=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
@ -21,29 +19,20 @@ github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwc
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dvyukov/go-fuzz v0.0.0-20210429054444-fca39067bc72/go.mod h1:11Gm+ccJnvAhCNLlf5+cS9KjtbaD5I5zaZpFMsTHWTw=
-github.com/elazarl/go-bindata-assetfs v1.0.1/go.mod h1:v+YaWX3bdea5J/mo8dSETolEo7R71Vk1u8bnjau5yw4=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/glycerine/go-unsnap-stream v0.0.0-20181221182339-f9677308dec2/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE=
-github.com/glycerine/goconvey v0.0.0-20190410193231-58a59202ab31/go.mod h1:Ogl1Tioa0aV7gstGFO7KhffUsb9M4ydbEbbxpcEDc24=
 github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
-github.com/gopherjs/gopherjs v0.0.0-20190910122728-9d188e94fb99/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
-github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/mschoch/smat v0.0.0-20160514031455-90eadee771ae/go.mod h1:qAyveg+e4CE+eKJXWVjKXM4ck2QobLqTDytGJbLLhJg=
 github.com/mschoch/smat v0.2.0 h1:8imxQsjDm8yFEAVBe7azKmKSgzSkZXDuKkSq9374khM=
 github.com/mschoch/smat v0.2.0/go.mod h1:kc9mz7DoBKqDyiRL7VZN8KvXQMWeTaVnttLRXOlotKw=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
-github.com/philhofer/fwd v1.0.0/go.mod h1:gk3iGcWd9+svBvR0sR+KPcfE+RNWozjowpeBVG3ZVNU=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/robertkrimen/godocdown v0.0.0-20130622164427-0bfa04905481/go.mod h1:C9WhFzY47SzYBIvzFqSvHIR6ROgDo4TtdTuRaOMjF/s=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
@ -53,43 +42,17 @@ github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb6
 github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
-github.com/stephens2424/writerset v1.0.2/go.mod h1:aS2JhsMn6eA7e82oNmW4rfsgAOp9COBTTl8mzkwADnc=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/tinylib/msgp v1.1.0/go.mod h1:+d+yLhGm8mzTaHzB+wgMYrodPfmZrzkirds8fDWklFE=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
-github.com/willf/bitset v1.1.10/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
-github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
-golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
-golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181221143128-b4a75ba826a6/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a h1:aYOabOQFp6Vj6W1F80affTUvO9UxmJRx8K0gsfABByQ=
 golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
-golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.0.0-20200928182047-19e03678916f/go.mod h1:z6u4i615ZeAfBE4XtMziQW1fSVJXACjjbWkB/mvPzlU=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
--- a/vendor/github.com/blevesearch/zapx/v13/posting.go
+++ b/vendor/github.com/blevesearch/zapx/v13/posting.go
@ -536,13 +536,18 @@ func (i *PostingsIterator) nextDocNumAtOrAfter(atOrAfter uint64) (uint64, bool,
 		return 0, false, nil
 	}

-	if i.postings == nil || i.postings.postings == i.ActualBM {
+	if i.postings == nil || i.postings == emptyPostingsList {
+		// couldn't find anything
+		return 0, false, nil
+	}
+
+	if i.postings.postings == i.ActualBM {
 		return i.nextDocNumAtOrAfterClean(atOrAfter)
 	}

 	i.Actual.AdvanceIfNeeded(uint32(atOrAfter))

-	if !i.Actual.HasNext() {
+	if !i.Actual.HasNext() || !i.all.HasNext() {
 		// couldn't find anything
 		return 0, false, nil
 	}
@ -571,6 +576,10 @@ func (i *PostingsIterator) nextDocNumAtOrAfter(atOrAfter uint64) (uint64, bool,
 			}
 		}

+		if !i.all.HasNext() {
+			return 0, false, nil
+		}
+
 		allN = i.all.Next()
 	}

--- a/vendor/github.com/blevesearch/zapx/v14/build.go
+++ b/vendor/github.com/blevesearch/zapx/v14/build.go
@ -16,6 +16,8 @@ package zap

 import (
 	"bufio"
+	"fmt"
+	"io"
 	"math"
 	"os"

@ -32,6 +34,16 @@ func (sb *SegmentBase) Persist(path string) error {
 	return PersistSegmentBase(sb, path)
 }

+// WriteTo is an implementation of io.WriterTo interface.
+func (sb *SegmentBase) WriteTo(w io.Writer) (int64, error) {
+	if w == nil {
+		return 0, fmt.Errorf("invalid writer found")
+	}
+
+	n, err := persistSegmentBaseToWriter(sb, w)
+	return int64(n), err
+}
+
 // PersistSegmentBase persists SegmentBase in the zap file format.
 func PersistSegmentBase(sb *SegmentBase, path string) error {
 	flag := os.O_RDWR | os.O_CREATE
@ -46,22 +58,7 @@ func PersistSegmentBase(sb *SegmentBase, path string) error {
 		_ = os.Remove(path)
 	}

-	br := bufio.NewWriter(f)
-
-	_, err = br.Write(sb.mem)
-	if err != nil {
-		cleanup()
-		return err
-	}
-
-	err = persistFooter(sb.numDocs, sb.storedIndexOffset, sb.fieldsIndexOffset, sb.docValueOffset,
-		sb.chunkMode, sb.memCRC, br)
-	if err != nil {
-		cleanup()
-		return err
-	}
-
-	err = br.Flush()
+	_, err = persistSegmentBaseToWriter(sb, f)
 	if err != nil {
 		cleanup()
 		return err
@ -79,7 +76,40 @@ func PersistSegmentBase(sb *SegmentBase, path string) error {
 		return err
 	}

-	return nil
+	return err
+}
+
+type bufWriter struct {
+	w *bufio.Writer
+	n int
+}
+
+func (br *bufWriter) Write(in []byte) (int, error) {
+	n, err := br.w.Write(in)
+	br.n += n
+	return n, err
+}
+
+func persistSegmentBaseToWriter(sb *SegmentBase, w io.Writer) (int, error) {
+	br := &bufWriter{w: bufio.NewWriter(w)}
+
+	_, err := br.Write(sb.mem)
+	if err != nil {
+		return 0, err
+	}
+
+	err = persistFooter(sb.numDocs, sb.storedIndexOffset, sb.fieldsIndexOffset,
+		sb.docValueOffset, sb.chunkMode, sb.memCRC, br)
+	if err != nil {
+		return 0, err
+	}
+
+	err = br.w.Flush()
+	if err != nil {
+		return 0, err
+	}
+
+	return br.n, nil
 }

 func persistStoredFieldValues(fieldID int,
--- a/vendor/github.com/blevesearch/zapx/v14/go.mod
+++ b/vendor/github.com/blevesearch/zapx/v14/go.mod
@ -1,13 +1,13 @@
 module github.com/blevesearch/zapx/v14

-go 1.12
+go 1.13

 require (
-	github.com/RoaringBitmap/roaring v0.7.3
-	github.com/blevesearch/bleve_index_api v1.0.0
-	github.com/blevesearch/mmap-go v1.0.2
-	github.com/blevesearch/scorch_segment_api/v2 v2.0.1
-	github.com/blevesearch/vellum v1.0.5
+	github.com/RoaringBitmap/roaring v0.9.4
+	github.com/blevesearch/bleve_index_api v1.0.1
+	github.com/blevesearch/mmap-go v1.0.3
+	github.com/blevesearch/scorch_segment_api/v2 v2.1.0
+	github.com/blevesearch/vellum v1.0.7
 	github.com/golang/snappy v0.0.1
 	github.com/spf13/cobra v0.0.5
 )
--- a/vendor/github.com/blevesearch/zapx/v14/go.sum
+++ b/vendor/github.com/blevesearch/zapx/v14/go.sum
@ -1,19 +1,17 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/Julusian/godocdown v0.0.0-20170816220326-6d19f8ff2df8/go.mod h1:INZr5t32rG59/5xeltqoCJoNY7e5x/3xoY9WSWVWg74=
-github.com/RoaringBitmap/roaring v0.4.23/go.mod h1:D0gp8kJQgE1A4LQ5wFLggQEyvDi06Mq5mKs52e1TwOo=
-github.com/RoaringBitmap/roaring v0.7.3 h1:RwirWpvFONt2EwHHEHhER7S4BHZkyj3qL5LXLlnQPZ4=
-github.com/RoaringBitmap/roaring v0.7.3/go.mod h1:jdT9ykXwHFNdJbEtxePexlFYH9LXucApeS0/+/g+p1I=
+github.com/RoaringBitmap/roaring v0.9.4 h1:ckvZSX5gwCRaJYBNe7syNawCU5oruY9gQmjXlp4riwo=
+github.com/RoaringBitmap/roaring v0.9.4/go.mod h1:icnadbWcNyfEHlYdr+tDlOTih1Bf/h+rzPpv4sbomAA=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/bits-and-blooms/bitset v1.2.0 h1:Kn4yilvwNtMACtf1eYDlG8H77R07mZSPbMjLyS07ChA=
 github.com/bits-and-blooms/bitset v1.2.0/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
-github.com/blevesearch/bleve_index_api v1.0.0 h1:Ds3XeuTxjXCkG6pgIwWDRyooJKNIuOKemnN0N0IkhTU=
-github.com/blevesearch/bleve_index_api v1.0.0/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
-github.com/blevesearch/mmap-go v1.0.2 h1:JtMHb+FgQCTTYIhtMvimw15dJwu1Y5lrZDMOFXVWPk0=
-github.com/blevesearch/mmap-go v1.0.2/go.mod h1:ol2qBqYaOUsGdm7aRMRrYGgPvnwLe6Y+7LMvAB5IbSA=
-github.com/blevesearch/scorch_segment_api/v2 v2.0.1 h1:fd+hPtZ8GsbqPK1HslGp7Vhoik4arZteA/IsCEgOisw=
-github.com/blevesearch/scorch_segment_api/v2 v2.0.1/go.mod h1:lq7yK2jQy1yQjtjTfU931aVqz7pYxEudHaDwOt1tXfU=
-github.com/blevesearch/vellum v1.0.5 h1:L5dJ7hKauRVbuH7I8uqLeSK92CPPY6FfrbAmLhAug8A=
-github.com/blevesearch/vellum v1.0.5/go.mod h1:atE0EH3fvk43zzS7t1YNdNC7DbmcC3uz+eMD5xZ2OyQ=
+github.com/blevesearch/bleve_index_api v1.0.1 h1:nx9++0hnyiGOHJwQQYfsUGzpRdEVE5LsylmmngQvaFk=
+github.com/blevesearch/bleve_index_api v1.0.1/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
+github.com/blevesearch/mmap-go v1.0.3 h1:7QkALgFNooSq3a46AE+pWeKASAZc9SiNFJhDGF1NDx4=
+github.com/blevesearch/mmap-go v1.0.3/go.mod h1:pYvKl/grLQrBxuaRYgoTssa4rVujYYeenDp++2E+yvs=
+github.com/blevesearch/scorch_segment_api/v2 v2.1.0 h1:NFwteOpZEvJk5Vg0H6gD0hxupsG3JYocE4DBvsA2GZI=
+github.com/blevesearch/scorch_segment_api/v2 v2.1.0/go.mod h1:uch7xyyO/Alxkuxa+CGs79vw0QY8BENSBjg6Mw5L5DE=
+github.com/blevesearch/vellum v1.0.7 h1:+vn8rfyCRHxKVRgDLeR0FAXej2+6mEb5Q15aQE/XESQ=
+github.com/blevesearch/vellum v1.0.7/go.mod h1:doBZpmRhwTsASB4QdUZANlJvqVAUdUyX0ZK7QJCTeBE=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
@ -21,29 +19,20 @@ github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwc
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dvyukov/go-fuzz v0.0.0-20210429054444-fca39067bc72/go.mod h1:11Gm+ccJnvAhCNLlf5+cS9KjtbaD5I5zaZpFMsTHWTw=
-github.com/elazarl/go-bindata-assetfs v1.0.1/go.mod h1:v+YaWX3bdea5J/mo8dSETolEo7R71Vk1u8bnjau5yw4=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/glycerine/go-unsnap-stream v0.0.0-20181221182339-f9677308dec2/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE=
-github.com/glycerine/goconvey v0.0.0-20190410193231-58a59202ab31/go.mod h1:Ogl1Tioa0aV7gstGFO7KhffUsb9M4ydbEbbxpcEDc24=
 github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
-github.com/gopherjs/gopherjs v0.0.0-20190910122728-9d188e94fb99/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
-github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/mschoch/smat v0.0.0-20160514031455-90eadee771ae/go.mod h1:qAyveg+e4CE+eKJXWVjKXM4ck2QobLqTDytGJbLLhJg=
 github.com/mschoch/smat v0.2.0 h1:8imxQsjDm8yFEAVBe7azKmKSgzSkZXDuKkSq9374khM=
 github.com/mschoch/smat v0.2.0/go.mod h1:kc9mz7DoBKqDyiRL7VZN8KvXQMWeTaVnttLRXOlotKw=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
-github.com/philhofer/fwd v1.0.0/go.mod h1:gk3iGcWd9+svBvR0sR+KPcfE+RNWozjowpeBVG3ZVNU=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/robertkrimen/godocdown v0.0.0-20130622164427-0bfa04905481/go.mod h1:C9WhFzY47SzYBIvzFqSvHIR6ROgDo4TtdTuRaOMjF/s=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
@ -53,43 +42,17 @@ github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb6
 github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
-github.com/stephens2424/writerset v1.0.2/go.mod h1:aS2JhsMn6eA7e82oNmW4rfsgAOp9COBTTl8mzkwADnc=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/tinylib/msgp v1.1.0/go.mod h1:+d+yLhGm8mzTaHzB+wgMYrodPfmZrzkirds8fDWklFE=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
-github.com/willf/bitset v1.1.10/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
-github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
-golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
-golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181221143128-b4a75ba826a6/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a h1:aYOabOQFp6Vj6W1F80affTUvO9UxmJRx8K0gsfABByQ=
 golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
-golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.0.0-20200928182047-19e03678916f/go.mod h1:z6u4i615ZeAfBE4XtMziQW1fSVJXACjjbWkB/mvPzlU=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
--- a/vendor/github.com/blevesearch/zapx/v14/posting.go
+++ b/vendor/github.com/blevesearch/zapx/v14/posting.go
@ -544,13 +544,18 @@ func (i *PostingsIterator) nextDocNumAtOrAfter(atOrAfter uint64) (uint64, bool,
 		return 0, false, nil
 	}

-	if i.postings == nil || i.postings.postings == i.ActualBM {
+	if i.postings == nil || i.postings == emptyPostingsList {
+		// couldn't find anything
+		return 0, false, nil
+	}
+
+	if i.postings.postings == i.ActualBM {
 		return i.nextDocNumAtOrAfterClean(atOrAfter)
 	}

 	i.Actual.AdvanceIfNeeded(uint32(atOrAfter))

-	if !i.Actual.HasNext() {
+	if !i.Actual.HasNext() || !i.all.HasNext() {
 		// couldn't find anything
 		return 0, false, nil
 	}
@ -574,6 +579,10 @@ func (i *PostingsIterator) nextDocNumAtOrAfter(atOrAfter uint64) (uint64, bool,
 			}
 		}

+		if !i.all.HasNext() {
+			return 0, false, nil
+		}
+
 		allN = i.all.Next()
 	}

--- a/vendor/github.com/blevesearch/zapx/v15/build.go
+++ b/vendor/github.com/blevesearch/zapx/v15/build.go
@ -16,6 +16,8 @@ package zap

 import (
 	"bufio"
+	"fmt"
+	"io"
 	"math"
 	"os"

@ -32,6 +34,16 @@ func (sb *SegmentBase) Persist(path string) error {
 	return PersistSegmentBase(sb, path)
 }

+// WriteTo is an implementation of io.WriterTo interface.
+func (sb *SegmentBase) WriteTo(w io.Writer) (int64, error) {
+	if w == nil {
+		return 0, fmt.Errorf("invalid writer found")
+	}
+
+	n, err := persistSegmentBaseToWriter(sb, w)
+	return int64(n), err
+}
+
 // PersistSegmentBase persists SegmentBase in the zap file format.
 func PersistSegmentBase(sb *SegmentBase, path string) error {
 	flag := os.O_RDWR | os.O_CREATE
@ -46,22 +58,7 @@ func PersistSegmentBase(sb *SegmentBase, path string) error {
 		_ = os.Remove(path)
 	}

-	br := bufio.NewWriter(f)
-
-	_, err = br.Write(sb.mem)
-	if err != nil {
-		cleanup()
-		return err
-	}
-
-	err = persistFooter(sb.numDocs, sb.storedIndexOffset, sb.fieldsIndexOffset, sb.docValueOffset,
-		sb.chunkMode, sb.memCRC, br)
-	if err != nil {
-		cleanup()
-		return err
-	}
-
-	err = br.Flush()
+	_, err = persistSegmentBaseToWriter(sb, f)
 	if err != nil {
 		cleanup()
 		return err
@ -79,7 +76,40 @@ func PersistSegmentBase(sb *SegmentBase, path string) error {
 		return err
 	}

-	return nil
+	return err
+}
+
+type bufWriter struct {
+	w *bufio.Writer
+	n int
+}
+
+func (br *bufWriter) Write(in []byte) (int, error) {
+	n, err := br.w.Write(in)
+	br.n += n
+	return n, err
+}
+
+func persistSegmentBaseToWriter(sb *SegmentBase, w io.Writer) (int, error) {
+	br := &bufWriter{w: bufio.NewWriter(w)}
+
+	_, err := br.Write(sb.mem)
+	if err != nil {
+		return 0, err
+	}
+
+	err = persistFooter(sb.numDocs, sb.storedIndexOffset, sb.fieldsIndexOffset,
+		sb.docValueOffset, sb.chunkMode, sb.memCRC, br)
+	if err != nil {
+		return 0, err
+	}
+
+	err = br.w.Flush()
+	if err != nil {
+		return 0, err
+	}
+
+	return br.n, nil
 }

 func persistStoredFieldValues(fieldID int,
--- a/vendor/github.com/blevesearch/zapx/v15/go.mod
+++ b/vendor/github.com/blevesearch/zapx/v15/go.mod
@ -1,13 +1,14 @@
 module github.com/blevesearch/zapx/v15

-go 1.12
+go 1.13

 require (
-	github.com/RoaringBitmap/roaring v0.7.3
-	github.com/blevesearch/bleve_index_api v1.0.0
-	github.com/blevesearch/mmap-go v1.0.2
-	github.com/blevesearch/scorch_segment_api/v2 v2.0.1
-	github.com/blevesearch/vellum v1.0.5
+	github.com/RoaringBitmap/roaring v0.9.4
+	github.com/blevesearch/bleve_index_api v1.0.1
+	github.com/blevesearch/mmap-go v1.0.3
+	github.com/blevesearch/scorch_segment_api/v2 v2.1.0
+	github.com/blevesearch/vellum v1.0.7
 	github.com/golang/snappy v0.0.1
 	github.com/spf13/cobra v0.0.5
+	golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd // indirect
 )
--- a/vendor/github.com/blevesearch/zapx/v15/go.sum
+++ b/vendor/github.com/blevesearch/zapx/v15/go.sum
@ -1,19 +1,17 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/Julusian/godocdown v0.0.0-20170816220326-6d19f8ff2df8/go.mod h1:INZr5t32rG59/5xeltqoCJoNY7e5x/3xoY9WSWVWg74=
-github.com/RoaringBitmap/roaring v0.4.23/go.mod h1:D0gp8kJQgE1A4LQ5wFLggQEyvDi06Mq5mKs52e1TwOo=
-github.com/RoaringBitmap/roaring v0.7.3 h1:RwirWpvFONt2EwHHEHhER7S4BHZkyj3qL5LXLlnQPZ4=
-github.com/RoaringBitmap/roaring v0.7.3/go.mod h1:jdT9ykXwHFNdJbEtxePexlFYH9LXucApeS0/+/g+p1I=
+github.com/RoaringBitmap/roaring v0.9.4 h1:ckvZSX5gwCRaJYBNe7syNawCU5oruY9gQmjXlp4riwo=
+github.com/RoaringBitmap/roaring v0.9.4/go.mod h1:icnadbWcNyfEHlYdr+tDlOTih1Bf/h+rzPpv4sbomAA=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/bits-and-blooms/bitset v1.2.0 h1:Kn4yilvwNtMACtf1eYDlG8H77R07mZSPbMjLyS07ChA=
 github.com/bits-and-blooms/bitset v1.2.0/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
-github.com/blevesearch/bleve_index_api v1.0.0 h1:Ds3XeuTxjXCkG6pgIwWDRyooJKNIuOKemnN0N0IkhTU=
-github.com/blevesearch/bleve_index_api v1.0.0/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
-github.com/blevesearch/mmap-go v1.0.2 h1:JtMHb+FgQCTTYIhtMvimw15dJwu1Y5lrZDMOFXVWPk0=
-github.com/blevesearch/mmap-go v1.0.2/go.mod h1:ol2qBqYaOUsGdm7aRMRrYGgPvnwLe6Y+7LMvAB5IbSA=
-github.com/blevesearch/scorch_segment_api/v2 v2.0.1 h1:fd+hPtZ8GsbqPK1HslGp7Vhoik4arZteA/IsCEgOisw=
-github.com/blevesearch/scorch_segment_api/v2 v2.0.1/go.mod h1:lq7yK2jQy1yQjtjTfU931aVqz7pYxEudHaDwOt1tXfU=
-github.com/blevesearch/vellum v1.0.5 h1:L5dJ7hKauRVbuH7I8uqLeSK92CPPY6FfrbAmLhAug8A=
-github.com/blevesearch/vellum v1.0.5/go.mod h1:atE0EH3fvk43zzS7t1YNdNC7DbmcC3uz+eMD5xZ2OyQ=
+github.com/blevesearch/bleve_index_api v1.0.1 h1:nx9++0hnyiGOHJwQQYfsUGzpRdEVE5LsylmmngQvaFk=
+github.com/blevesearch/bleve_index_api v1.0.1/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
+github.com/blevesearch/mmap-go v1.0.3 h1:7QkALgFNooSq3a46AE+pWeKASAZc9SiNFJhDGF1NDx4=
+github.com/blevesearch/mmap-go v1.0.3/go.mod h1:pYvKl/grLQrBxuaRYgoTssa4rVujYYeenDp++2E+yvs=
+github.com/blevesearch/scorch_segment_api/v2 v2.1.0 h1:NFwteOpZEvJk5Vg0H6gD0hxupsG3JYocE4DBvsA2GZI=
+github.com/blevesearch/scorch_segment_api/v2 v2.1.0/go.mod h1:uch7xyyO/Alxkuxa+CGs79vw0QY8BENSBjg6Mw5L5DE=
+github.com/blevesearch/vellum v1.0.7 h1:+vn8rfyCRHxKVRgDLeR0FAXej2+6mEb5Q15aQE/XESQ=
+github.com/blevesearch/vellum v1.0.7/go.mod h1:doBZpmRhwTsASB4QdUZANlJvqVAUdUyX0ZK7QJCTeBE=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
@ -21,29 +19,20 @@ github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwc
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dvyukov/go-fuzz v0.0.0-20210429054444-fca39067bc72/go.mod h1:11Gm+ccJnvAhCNLlf5+cS9KjtbaD5I5zaZpFMsTHWTw=
-github.com/elazarl/go-bindata-assetfs v1.0.1/go.mod h1:v+YaWX3bdea5J/mo8dSETolEo7R71Vk1u8bnjau5yw4=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/glycerine/go-unsnap-stream v0.0.0-20181221182339-f9677308dec2/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE=
-github.com/glycerine/goconvey v0.0.0-20190410193231-58a59202ab31/go.mod h1:Ogl1Tioa0aV7gstGFO7KhffUsb9M4ydbEbbxpcEDc24=
 github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
-github.com/gopherjs/gopherjs v0.0.0-20190910122728-9d188e94fb99/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
-github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/mschoch/smat v0.0.0-20160514031455-90eadee771ae/go.mod h1:qAyveg+e4CE+eKJXWVjKXM4ck2QobLqTDytGJbLLhJg=
 github.com/mschoch/smat v0.2.0 h1:8imxQsjDm8yFEAVBe7azKmKSgzSkZXDuKkSq9374khM=
 github.com/mschoch/smat v0.2.0/go.mod h1:kc9mz7DoBKqDyiRL7VZN8KvXQMWeTaVnttLRXOlotKw=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
-github.com/philhofer/fwd v1.0.0/go.mod h1:gk3iGcWd9+svBvR0sR+KPcfE+RNWozjowpeBVG3ZVNU=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/robertkrimen/godocdown v0.0.0-20130622164427-0bfa04905481/go.mod h1:C9WhFzY47SzYBIvzFqSvHIR6ROgDo4TtdTuRaOMjF/s=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
@ -53,43 +42,18 @@ github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb6
 github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
-github.com/stephens2424/writerset v1.0.2/go.mod h1:aS2JhsMn6eA7e82oNmW4rfsgAOp9COBTTl8mzkwADnc=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/tinylib/msgp v1.1.0/go.mod h1:+d+yLhGm8mzTaHzB+wgMYrodPfmZrzkirds8fDWklFE=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
-github.com/willf/bitset v1.1.10/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
-github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
-golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
-golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181221143128-b4a75ba826a6/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.0.0-20200928182047-19e03678916f/go.mod h1:z6u4i615ZeAfBE4XtMziQW1fSVJXACjjbWkB/mvPzlU=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
--- a/vendor/github.com/blevesearch/zapx/v15/posting.go
+++ b/vendor/github.com/blevesearch/zapx/v15/posting.go
@ -562,13 +562,18 @@ func (i *PostingsIterator) nextDocNumAtOrAfter(atOrAfter uint64) (uint64, bool,
 		return 0, false, nil
 	}

-	if i.postings == nil || i.postings.postings == i.ActualBM {
+	if i.postings == nil || i.postings == emptyPostingsList {
+		// couldn't find anything
+		return 0, false, nil
+	}
+
+	if i.postings.postings == i.ActualBM {
 		return i.nextDocNumAtOrAfterClean(atOrAfter)
 	}

 	i.Actual.AdvanceIfNeeded(uint32(atOrAfter))

-	if !i.Actual.HasNext() {
+	if !i.Actual.HasNext() || !i.all.HasNext() {
 		// couldn't find anything
 		return 0, false, nil
 	}
@ -592,6 +597,10 @@ func (i *PostingsIterator) nextDocNumAtOrAfter(atOrAfter uint64) (uint64, bool,
 			}
 		}

+		if !i.all.HasNext() {
+			return 0, false, nil
+		}
+
 		allN = i.all.Next()
 	}

--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@ -66,8 +66,7 @@ github.com/PuerkitoBio/goquery
 github.com/PuerkitoBio/purell
 # github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578
 github.com/PuerkitoBio/urlesc
-# github.com/RoaringBitmap/roaring v0.9.1
-## explicit
+# github.com/RoaringBitmap/roaring v0.9.4
 github.com/RoaringBitmap/roaring
 github.com/RoaringBitmap/roaring/internal
 # github.com/acomagu/bufpipe v1.0.3
@ -122,7 +121,7 @@ github.com/aymerick/douceur/parser
 github.com/beorn7/perks/quantile
 # github.com/bits-and-blooms/bitset v1.2.0
 github.com/bits-and-blooms/bitset
-# github.com/blevesearch/bleve/v2 v2.0.6
+# github.com/blevesearch/bleve/v2 v2.3.0
 ## explicit
 github.com/blevesearch/bleve/v2
 github.com/blevesearch/bleve/v2/analysis
@ -160,13 +159,13 @@ github.com/blevesearch/bleve/v2/search/query
 github.com/blevesearch/bleve/v2/search/scorer
 github.com/blevesearch/bleve/v2/search/searcher
 github.com/blevesearch/bleve/v2/size
-# github.com/blevesearch/bleve_index_api v1.0.0
+# github.com/blevesearch/bleve_index_api v1.0.1
 github.com/blevesearch/bleve_index_api
 # github.com/blevesearch/go-porterstemmer v1.0.3
 github.com/blevesearch/go-porterstemmer
-# github.com/blevesearch/mmap-go v1.0.2
+# github.com/blevesearch/mmap-go v1.0.3
 github.com/blevesearch/mmap-go
-# github.com/blevesearch/scorch_segment_api/v2 v2.0.1
+# github.com/blevesearch/scorch_segment_api/v2 v2.1.0
 github.com/blevesearch/scorch_segment_api/v2
 # github.com/blevesearch/segment v0.9.0
 github.com/blevesearch/segment
@ -175,20 +174,20 @@ github.com/blevesearch/snowballstem
 github.com/blevesearch/snowballstem/english
 # github.com/blevesearch/upsidedown_store_api v1.0.1
 github.com/blevesearch/upsidedown_store_api
-# github.com/blevesearch/vellum v1.0.5
+# github.com/blevesearch/vellum v1.0.7
 github.com/blevesearch/vellum
 github.com/blevesearch/vellum/levenshtein
 github.com/blevesearch/vellum/regexp
 github.com/blevesearch/vellum/utf8
-# github.com/blevesearch/zapx/v11 v11.2.1
+# github.com/blevesearch/zapx/v11 v11.3.2
 github.com/blevesearch/zapx/v11
-# github.com/blevesearch/zapx/v12 v12.2.1
+# github.com/blevesearch/zapx/v12 v12.3.2
 github.com/blevesearch/zapx/v12
-# github.com/blevesearch/zapx/v13 v13.2.1
+# github.com/blevesearch/zapx/v13 v13.3.2
 github.com/blevesearch/zapx/v13
-# github.com/blevesearch/zapx/v14 v14.2.1
+# github.com/blevesearch/zapx/v14 v14.3.2
 github.com/blevesearch/zapx/v14
-# github.com/blevesearch/zapx/v15 v15.2.1
+# github.com/blevesearch/zapx/v15 v15.3.2
 github.com/blevesearch/zapx/v15
 # github.com/boombuler/barcode v1.0.1
 ## explicit