Upgrade blevesearch dependency to v2.0.1 (#14346)

* Upgrade blevesearch dependency to v2.0.1

* Update rupture to v1.0.0

* Fix test

go.mod

@@ -23,7 +23,7 @@ require (
 	github.com/alecthomas/chroma v0.8.2
 	github.com/andybalholm/brotli v1.0.1 // indirect
 	github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be // indirect
-	github.com/blevesearch/bleve v1.0.14
+	github.com/blevesearch/bleve/v2 v2.0.1
 	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
 	github.com/denisenkom/go-mssqldb v0.9.0
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
@@ -31,7 +31,7 @@ require (
 	github.com/dustin/go-humanize v1.0.0
 	github.com/editorconfig/editorconfig-core-go/v2 v2.3.9
 	github.com/emirpasic/gods v1.12.0
-	github.com/ethantkoenig/rupture v0.0.0-20181029165146-c3b3b810dc77
+	github.com/ethantkoenig/rupture v1.0.0
 	github.com/gliderlabs/ssh v0.3.1
 	github.com/glycerine/go-unsnap-stream v0.0.0-20190901134440-81cf024a9e0a // indirect
 	github.com/go-chi/chi v1.5.1
@@ -90,7 +90,7 @@ require (
 	github.com/shurcooL/vfsgen v0.0.0-20200824052919-0d455de96546
 	github.com/spf13/viper v1.7.1 // indirect
 	github.com/ssor/bom v0.0.0-20170718123548-6386211fdfcf // indirect
-	github.com/stretchr/testify v1.6.1
+	github.com/stretchr/testify v1.7.0
 	github.com/syndtr/goleveldb v1.0.0
 	github.com/tinylib/msgp v1.1.5 // indirect
 	github.com/tstranex/u2f v1.0.0
@@ -111,7 +111,7 @@ require (
 	golang.org/x/crypto v0.0.0-20201217014255-9d1352758620
 	golang.org/x/net v0.0.0-20201031054903-ff519b6c9102
 	golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43
-	golang.org/x/sys v0.0.0-20201211090839-8ad439b19e0f
+	golang.org/x/sys v0.0.0-20210113181707-4bcb84eeeb78
 	golang.org/x/text v0.3.4
 	golang.org/x/time v0.0.0-20200630173020-3af7569d3a1e // indirect
 	golang.org/x/tools v0.0.0-20201022035929-9cf592e881e9

go.sum

@@ -164,29 +164,32 @@ github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6r
 github.com/bgentry/speakeasy v0.1.0 h1:ByYyxL9InA1OWqxJqqp2A5pYHUrCiAL6K3J+LKSsQkY=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
-github.com/blevesearch/bleve v1.0.14 h1:Q8r+fHTt35jtGXJUM0ULwM3Tzg+MRfyai4ZkWDy2xO4=
+github.com/blevesearch/bleve/v2 v2.0.1 h1:v1eV5K+/lndsjnykeVcuU9J4cJnjKLUKSwxXFxZsLuY=
-github.com/blevesearch/bleve v1.0.14/go.mod h1:e/LJTr+E7EaoVdkQZTfoz7dt4KoDNvDbLb8MSKuNTLQ=
+github.com/blevesearch/bleve/v2 v2.0.1/go.mod h1:OBP2Pktqik8vEiUlGhuWjYx7KiO4zD542+DHqICwM5w=
-github.com/blevesearch/blevex v1.0.0 h1:pnilj2Qi3YSEGdWgLj1Pn9Io7ukfXPoQcpAI1Bv8n/o=
+github.com/blevesearch/bleve_index_api v1.0.0 h1:Ds3XeuTxjXCkG6pgIwWDRyooJKNIuOKemnN0N0IkhTU=
-github.com/blevesearch/blevex v1.0.0/go.mod h1:2rNVqoG2BZI8t1/P1awgTKnGlx5MP9ZbtEciQaNhswc=
+github.com/blevesearch/bleve_index_api v1.0.0/go.mod h1:fiwKS0xLEm+gBRgv5mumf0dhgFr2mDgZah1pqv1c1M4=
-github.com/blevesearch/cld2 v0.0.0-20200327141045-8b5f551d37f5/go.mod h1:PN0QNTLs9+j1bKy3d/GB/59wsNBFC4sWLWG3k69lWbc=
 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 v1.0.0 h1:BUkCPWDg2gimTEyVDXf85I2buqqt4lh28uaVMiJsIYk=
+github.com/blevesearch/scorch_segment_api v1.0.0/go.mod h1:KgRYmlfYC27NeM6cXOHx8LBgq7jn0atpV8mVWoBKBng=
 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/zap/v11 v11.0.14 h1:IrDAvtlzDylh6H2QCmS0OGcN9Hpf6mISJlfKjcwJs7k=
+github.com/blevesearch/upsidedown_store_api v1.0.1 h1:1SYRwyoFLwG3sj0ed89RLtM15amfX2pXlYbFOnF8zNU=
-github.com/blevesearch/zap/v11 v11.0.14/go.mod h1:MUEZh6VHGXv1PKx3WnCbdP404LGG2IZVa/L66pyFwnY=
+github.com/blevesearch/upsidedown_store_api v1.0.1/go.mod h1:MQDVGpHZrpe3Uy26zJBf/a8h0FZY6xJbthIMm8myH2Q=
-github.com/blevesearch/zap/v12 v12.0.14 h1:2o9iRtl1xaRjsJ1xcqTyLX414qPAwykHNV7wNVmbp3w=
+github.com/blevesearch/zapx/v11 v11.1.10 h1:8Eo3rXiHsVSP9Sk+4StrrwLrj9vyulhMVPmxTf8ZuDg=
-github.com/blevesearch/zap/v12 v12.0.14/go.mod h1:rOnuZOiMKPQj18AEKEHJxuI14236tTQ1ZJz4PAnWlUg=
+github.com/blevesearch/zapx/v11 v11.1.10/go.mod h1:DTjbcBqrr/Uo82UBilDC8lEew42gN/OcIyiTNFtSijc=
-github.com/blevesearch/zap/v13 v13.0.6 h1:r+VNSVImi9cBhTNNR+Kfl5uiGy8kIbb0JMz/h8r6+O4=
+github.com/blevesearch/zapx/v12 v12.1.10 h1:sqR+/0Z4dSTovApRqLA1HnilMtQer7a4UvPrNmPzlTM=
-github.com/blevesearch/zap/v13 v13.0.6/go.mod h1:L89gsjdRKGyGrRN6nCpIScCvvkyxvmeDCwZRcjjPCrw=
+github.com/blevesearch/zapx/v12 v12.1.10/go.mod h1:14NmKnPrnKAIyiEJM566k/Jk+FQpuiflT5d3uaaK3MI=
-github.com/blevesearch/zap/v14 v14.0.5 h1:NdcT+81Nvmp2zL+NhwSvGSLh7xNgGL8QRVZ67njR0NU=
+github.com/blevesearch/zapx/v13 v13.1.10 h1:zCneEVRJDXwtDfSwh+33Dxguliv192vCK283zdGH4Sw=
-github.com/blevesearch/zap/v14 v14.0.5/go.mod h1:bWe8S7tRrSBTIaZ6cLRbgNH4TUDaC9LZSpRGs85AsGY=
+github.com/blevesearch/zapx/v13 v13.1.10/go.mod h1:YsVY6YGpTEAlJOMjdL7EsdBLvjWd8kPa2gwJDNpqLJo=
-github.com/blevesearch/zap/v15 v15.0.3 h1:Ylj8Oe+mo0P25tr9iLPp33lN6d4qcztGjaIsP51UxaY=
+github.com/blevesearch/zapx/v14 v14.1.10 h1:nD0vw2jxKogJFfA5WyoS4wNwZlVby3Aq8aW7CZi6YIw=
-github.com/blevesearch/zap/v15 v15.0.3/go.mod h1:iuwQrImsh1WjWJ0Ue2kBqY83a0rFtJTqfa9fp1rbVVU=
+github.com/blevesearch/zapx/v14 v14.1.10/go.mod h1:hsULl5eJSxs5NEfBsmeT9qrqdCP+/ecpVZKt60M4V64=
+github.com/blevesearch/zapx/v15 v15.1.10 h1:kZR3b9jO9l6s2B5UHI+1N1llLzJ4nYikkXQTMrDl1vQ=
+github.com/blevesearch/zapx/v15 v15.1.10/go.mod h1:4ypq25bwtSQKzwEF1UERyIhmGTbMT3brY/n4NC5gRnM=
 github.com/boombuler/barcode v1.0.1-0.20190219062509-6c824513bacc h1:biVzkmvwrH8WK8raXaxBx6fRVTlJILwEwQGL1I/ByEI=
 github.com/boombuler/barcode v1.0.1-0.20190219062509-6c824513bacc/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=
 github.com/bradfitz/gomemcache v0.0.0-20190329173943-551aad21a668 h1:U/lr3Dgy4WK+hNk4tyD+nuGjpVLPEHuJSFXMw11/HPA=
@@ -247,12 +250,6 @@ github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsr
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/cupcake/rdb v0.0.0-20161107195141-43ba34106c76/go.mod h1:vYwsqCOLxGiisLwp9rITslkFNpZD5rz43tf41QFkTWY=
-github.com/cznic/b v0.0.0-20181122101859-a26611c4d92d h1:SwD98825d6bdB+pEuTxWOXiSjBrHdOl/UVp75eI7JT8=
-github.com/cznic/b v0.0.0-20181122101859-a26611c4d92d/go.mod h1:URriBxXwVq5ijiJ12C7iIZqlA69nTlI+LgI6/pwftG8=
-github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548 h1:iwZdTE0PVqJCos1vaoKsclOGD3ADKpshg3SRtYBbwso=
-github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548/go.mod h1:e6NPNENfs9mPDVNRekM7lKScauxd5kXTr1Mfyig6TDM=
-github.com/cznic/strutil v0.0.0-20181122101858-275e90344537 h1:MZRmHqDBd0vxNwenEbKSQqRVT24d3C05ft8kduSwlqM=
-github.com/cznic/strutil v0.0.0-20181122101858-275e90344537/go.mod h1:AHHPPPXTw0h6pVabbcbyGRK1DckRn7r/STdZEeIDzZc=
 github.com/daaku/go.zipexe v1.0.0/go.mod h1:z8IiR6TsVLEYKwXAoE/I+8ys/sDkgTzSL0CLnGVd57E=
 github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964 h1:y5HC9v93H5EPKqaS1UYVg1uYah5Xf51mBfIoWehClUQ=
 github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964/go.mod h1:Xd9hchkHSWYkEqJwUGisez3G1QY8Ryz0sdWrLPMGjLk=
@@ -297,14 +294,8 @@ github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymF
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/ethantkoenig/rupture v0.0.0-20181029165146-c3b3b810dc77 h1:ZLWiTTzTUBb0WEXUxobYI/RxULIzOoIP7pgfDd4p1cw=
+github.com/ethantkoenig/rupture v1.0.0 h1:gPInt1N30UErGNzd8t5js5Qbnpjcd1l6yU2MCrJxIe8=
-github.com/ethantkoenig/rupture v0.0.0-20181029165146-c3b3b810dc77/go.mod h1:MkKY/CB98aVE4VxO63X5vTQKUgcn+3XP15LMASe3lYs=
+github.com/ethantkoenig/rupture v1.0.0/go.mod h1:GyE9QabHfxA6ch0NZgwsHopRbOLcYjUr9g4FTJmq0WM=
-github.com/facebookgo/ensure v0.0.0-20200202191622-63f1cf65ac4c h1:8ISkoahWXwZR41ois5lSJBSVw4D0OV19Ht/JSTzvSv0=
-github.com/facebookgo/ensure v0.0.0-20200202191622-63f1cf65ac4c/go.mod h1:Yg+htXGokKKdzcwhuNDwVvN+uBxDGXJ7G/VN1d8fa64=
-github.com/facebookgo/stack v0.0.0-20160209184415-751773369052 h1:JWuenKqqX8nojtoVVWjGfOF9635RETekkoH6Cc9SX0A=
-github.com/facebookgo/stack v0.0.0-20160209184415-751773369052/go.mod h1:UbMTZqLaRiH3MsBH8va0n7s1pQYcu3uTb8G4tygF4Zg=
-github.com/facebookgo/subset v0.0.0-20200203212716-c811ad88dec4 h1:7HZCaLC5+BZpmbhCOZJ293Lz68O7PYrF2EzeiFMwCLk=
-github.com/facebookgo/subset v0.0.0-20200203212716-c811ad88dec4/go.mod h1:5tD+neXqOorC30/tWg0LCSkrqj/AR6gu8yY8/fpw1q0=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fatih/color v1.9.0 h1:8xPHl4/q1VyqGIPif1F+1V3Y3lSmrq01EabUW3CoW5s=
 github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL+zU=
@@ -326,6 +317,7 @@ github.com/gliderlabs/ssh v0.3.1 h1:L6VrMUGZaMlNIMN8Hj+CHh4U9yodJE3FAt/rgvfaKvE=
 github.com/gliderlabs/ssh v0.3.1/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
 github.com/globalsign/mgo v0.0.0-20180905125535-1ca0a4f7cbcb/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
 github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
+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/go-unsnap-stream v0.0.0-20190901134440-81cf024a9e0a h1:FQqoVvjbiUioBBFUL5up+h+GdCa/AnJsL/1bIs/veSI=
 github.com/glycerine/go-unsnap-stream v0.0.0-20190901134440-81cf024a9e0a/go.mod h1:/20jfyN9Y5QPEAprSgKAUr+glWDY39ZiUEAYOEv5dsE=
@@ -618,7 +610,6 @@ github.com/huandu/xstrings v1.3.2 h1:L18LIDzqlW6xN2rEkpdV8+oL/IXWJ1APd+vsdYy4Wdw
 github.com/huandu/xstrings v1.3.2/go.mod h1:y5/lhBue+AyNmUVz9RLU9xbLR0o4KIIExikq4ovT0aE=
 github.com/hudl/fargo v1.3.0/go.mod h1:y3CKSmjA+wD2gak7sUSXTAoopbhU08POFhmITJgmKTg=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
-github.com/ikawaha/kagome.ipadic v1.1.2/go.mod h1:DPSBbU0czaJhAb/5uKQZHMc9MTVRpDugJfX+HddPHHg=
 github.com/imdario/mergo v0.3.9 h1:UauaLniWCFHWd+Jp9oCEkTBj8VO/9DKg3PV3VCNMDIg=
 github.com/imdario/mergo v0.3.9/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
 github.com/imdario/mergo v0.3.11 h1:3tnifQM4i+fbajXKBHXWEH+KvNHqojZ778UH75j3bGA=
@@ -680,8 +671,6 @@ github.com/jessevdk/go-flags v1.4.0 h1:4IU2WS7AumrZ/40jfhf4QVDMsQwqA7VEHozFRrGAR
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
 github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
 github.com/jmespath/go-jmespath v0.3.0/go.mod h1:9QtRXoHjLGCJ5IBSaohpXITPlowMeeYCZ7fLUTSywik=
-github.com/jmhodges/levigo v1.0.0 h1:q5EC36kV79HWeTBWsod3mG11EgStG3qArTKcvlksN1U=
-github.com/jmhodges/levigo v1.0.0/go.mod h1:Q6Qx+uH3RAqyK4rFQroq9RL7mdkABMcfhEI+nNuzMJQ=
 github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc=
 github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
@@ -970,8 +959,6 @@ github.com/quasoft/websspi v1.0.0 h1:5nDgdM5xSur9s+B5w2xQ5kxf5nUGqgFgU4W0aDLZ8Mw
 github.com/quasoft/websspi v1.0.0/go.mod h1:HmVdl939dQ0WIXZhyik+ARdI03M6bQzaSEKcgpFmewk=
 github.com/rcrowley/go-metrics v0.0.0-20181016184325-3113b8401b8a/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
 github.com/rcrowley/go-metrics v0.0.0-20190826022208-cac0b30c2563/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4=
-github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 h1:OdAsTTz6OkFY5QxjkYwrChwuRruF69c169dPK26NUlk=
-github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/rogpeppe/go-internal v1.1.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.2.2/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
@@ -1063,15 +1050,15 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/syndtr/goleveldb v1.0.0 h1:fBdIW9lB4Iz0n9khmH8w27SJ3QEJ7+IgjPEwGSZiFdE=
 github.com/syndtr/goleveldb v1.0.0/go.mod h1:ZVVdQEZoIme9iO1Ch2Jdy24qqXrMMOU6lpPAyBWyWuQ=
-github.com/tebeka/snowball v0.4.2/go.mod h1:4IfL14h1lvwZcp1sfXuuc7/7yCsvVffTWxWxCLfFpYg=
-github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c h1:g+WoO5jjkqGAzHWCjJB1zZfXPIAaDpzXIEJ0eS6B5Ok=
-github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c/go.mod h1:ahpPrc7HpcfEWDQRZEmnXMzHY03mLDYMCxeDzy46i+8=
 github.com/tidwall/pretty v1.0.0 h1:HsD+QiTn7sK6flMKIvNmpqz1qrpP3Ps6jOKIKMooyg4=
 github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
+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/tinylib/msgp v1.1.5 h1:2gXmtWueD2HefZHQe1QOy9HVzmFrLOVvsXwXBQ0ayy0=
 github.com/tinylib/msgp v1.1.5/go.mod h1:eQsjooMTnV42mHu917E26IogZ2930nFyBQdofk10Udg=
@@ -1362,8 +1349,8 @@ golang.org/x/sys v0.0.0-20200905004654-be1d3432aa8f/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201015000850-e3ed0017c211 h1:9UQO31fZ+0aKQOFldThf7BKPMJTiBfWycGh/u3UoO88=
 golang.org/x/sys v0.0.0-20201015000850-e3ed0017c211/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20201211090839-8ad439b19e0f h1:QdHQnPce6K4XQewki9WNbG5KOROuDzqO3NaYjI1cXJ0=
+golang.org/x/sys v0.0.0-20210113181707-4bcb84eeeb78 h1:nVuTkr9L6Bq62qpUqKo/RnZCFfzDBL0bYo6w9OJUqZY=
-golang.org/x/sys v0.0.0-20201211090839-8ad439b19e0f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210113181707-4bcb84eeeb78/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221 h1:/ZHdbVpdR/jk3g30/d4yUL0JU9kksj8+F/bnQUVLGDM=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=

modules/indexer/code/bleve.go

@@ -21,15 +21,15 @@ import (
 	"code.gitea.io/gitea/modules/timeutil"
 	"code.gitea.io/gitea/modules/util"
 
-	"github.com/blevesearch/bleve"
+	"github.com/blevesearch/bleve/v2"
-	analyzer_custom "github.com/blevesearch/bleve/analysis/analyzer/custom"
+	analyzer_custom "github.com/blevesearch/bleve/v2/analysis/analyzer/custom"
-	analyzer_keyword "github.com/blevesearch/bleve/analysis/analyzer/keyword"
+	analyzer_keyword "github.com/blevesearch/bleve/v2/analysis/analyzer/keyword"
-	"github.com/blevesearch/bleve/analysis/token/lowercase"
+	"github.com/blevesearch/bleve/v2/analysis/token/lowercase"
-	"github.com/blevesearch/bleve/analysis/token/unicodenorm"
+	"github.com/blevesearch/bleve/v2/analysis/token/unicodenorm"
-	"github.com/blevesearch/bleve/analysis/tokenizer/unicode"
+	"github.com/blevesearch/bleve/v2/analysis/tokenizer/unicode"
-	"github.com/blevesearch/bleve/index/upsidedown"
+	"github.com/blevesearch/bleve/v2/index/upsidedown"
-	"github.com/blevesearch/bleve/mapping"
+	"github.com/blevesearch/bleve/v2/mapping"
-	"github.com/blevesearch/bleve/search/query"
+	"github.com/blevesearch/bleve/v2/search/query"
 	"github.com/ethantkoenig/rupture"
 	"github.com/go-enry/go-enry/v2"
 )

modules/indexer/issues/bleve.go

@@ -11,14 +11,14 @@ import (
 
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/util"
-	"github.com/blevesearch/bleve"
+	"github.com/blevesearch/bleve/v2"
-	"github.com/blevesearch/bleve/analysis/analyzer/custom"
+	"github.com/blevesearch/bleve/v2/analysis/analyzer/custom"
-	"github.com/blevesearch/bleve/analysis/token/lowercase"
+	"github.com/blevesearch/bleve/v2/analysis/token/lowercase"
-	"github.com/blevesearch/bleve/analysis/token/unicodenorm"
+	"github.com/blevesearch/bleve/v2/analysis/token/unicodenorm"
-	"github.com/blevesearch/bleve/analysis/tokenizer/unicode"
+	"github.com/blevesearch/bleve/v2/analysis/tokenizer/unicode"
-	"github.com/blevesearch/bleve/index/upsidedown"
+	"github.com/blevesearch/bleve/v2/index/upsidedown"
-	"github.com/blevesearch/bleve/mapping"
+	"github.com/blevesearch/bleve/v2/mapping"
-	"github.com/blevesearch/bleve/search/query"
+	"github.com/blevesearch/bleve/v2/search/query"
 	"github.com/ethantkoenig/rupture"
 )
 

modules/indexer/issues/bleve_test.go

@@ -92,6 +92,6 @@ func TestBleveIndexAndSearch(t *testing.T) {
 		for _, hit := range res.Hits {
 			ids = append(ids, hit.ID)
 		}
-		assert.EqualValues(t, kw.IDs, ids)
+		assert.ElementsMatch(t, kw.IDs, ids)
 	}
 }

vendor/github.com/blevesearch/bleve/index/analysis.go

@@ -1,110 +0,0 @@
-//  Copyright (c) 2015 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 (
-	"reflect"
-
-	"github.com/blevesearch/bleve/analysis"
-	"github.com/blevesearch/bleve/document"
-	"github.com/blevesearch/bleve/size"
-)
-
-var reflectStaticSizeAnalysisResult int
-
-func init() {
-	var ar AnalysisResult
-	reflectStaticSizeAnalysisResult = int(reflect.TypeOf(ar).Size())
-}
-
-type IndexRow interface {
-	KeySize() int
-	KeyTo([]byte) (int, error)
-	Key() []byte
-
-	ValueSize() int
-	ValueTo([]byte) (int, error)
-	Value() []byte
-}
-
-type AnalysisResult struct {
-	DocID string
-	Rows  []IndexRow
-
-	// scorch
-	Document *document.Document
-	Analyzed []analysis.TokenFrequencies
-	Length   []int
-}
-
-func (a *AnalysisResult) Size() int {
-	rv := reflectStaticSizeAnalysisResult
-	for _, analyzedI := range a.Analyzed {
-		rv += analyzedI.Size()
-	}
-	rv += len(a.Length) * size.SizeOfInt
-	return rv
-}
-
-type AnalysisWork struct {
-	i  Index
-	d  *document.Document
-	rc chan *AnalysisResult
-}
-
-func NewAnalysisWork(i Index, d *document.Document, rc chan *AnalysisResult) *AnalysisWork {
-	return &AnalysisWork{
-		i:  i,
-		d:  d,
-		rc: rc,
-	}
-}
-
-type AnalysisQueue struct {
-	queue chan *AnalysisWork
-	done  chan struct{}
-}
-
-func (q *AnalysisQueue) Queue(work *AnalysisWork) {
-	q.queue <- work
-}
-
-func (q *AnalysisQueue) Close() {
-	close(q.done)
-}
-
-func NewAnalysisQueue(numWorkers int) *AnalysisQueue {
-	rv := AnalysisQueue{
-		queue: make(chan *AnalysisWork),
-		done:  make(chan struct{}),
-	}
-	for i := 0; i < numWorkers; i++ {
-		go AnalysisWorker(rv)
-	}
-	return &rv
-}
-
-func AnalysisWorker(q AnalysisQueue) {
-	// read work off the queue
-	for {
-		select {
-		case <-q.done:
-			return
-		case w := <-q.queue:
-			r := w.i.Analyze(w.d)
-			w.rc <- r
-		}
-	}
-}

vendor/github.com/blevesearch/bleve/index/scorch/segment/empty.go

@@ -1,137 +0,0 @@
-//  Copyright (c) 2017 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 segment
-
-import (
-	"github.com/RoaringBitmap/roaring"
-	"github.com/blevesearch/bleve/index"
-	"github.com/couchbase/vellum"
-)
-
-type EmptySegment struct{}
-
-func (e *EmptySegment) Dictionary(field string) (TermDictionary, error) {
-	return &EmptyDictionary{}, nil
-}
-
-func (e *EmptySegment) VisitDocument(num uint64, visitor DocumentFieldValueVisitor) error {
-	return nil
-}
-
-func (e *EmptySegment) DocID(num uint64) ([]byte, error) {
-	return nil, nil
-}
-
-func (e *EmptySegment) Count() uint64 {
-	return 0
-}
-
-func (e *EmptySegment) DocNumbers([]string) (*roaring.Bitmap, error) {
-	r := roaring.NewBitmap()
-	return r, nil
-}
-
-func (e *EmptySegment) Fields() []string {
-	return []string{}
-}
-
-func (e *EmptySegment) Close() error {
-	return nil
-}
-
-func (e *EmptySegment) Size() uint64 {
-	return 0
-}
-
-func (e *EmptySegment) AddRef() {
-}
-
-func (e *EmptySegment) DecRef() error {
-	return nil
-}
-
-type EmptyDictionary struct{}
-
-func (e *EmptyDictionary) PostingsList(term []byte,
-	except *roaring.Bitmap, prealloc PostingsList) (PostingsList, error) {
-	return &EmptyPostingsList{}, nil
-}
-
-func (e *EmptyDictionary) Iterator() DictionaryIterator {
-	return &EmptyDictionaryIterator{}
-}
-
-func (e *EmptyDictionary) PrefixIterator(prefix string) DictionaryIterator {
-	return &EmptyDictionaryIterator{}
-}
-
-func (e *EmptyDictionary) RangeIterator(start, end string) DictionaryIterator {
-	return &EmptyDictionaryIterator{}
-}
-
-func (e *EmptyDictionary) AutomatonIterator(a vellum.Automaton,
-	startKeyInclusive, endKeyExclusive []byte) DictionaryIterator {
-	return &EmptyDictionaryIterator{}
-}
-
-func (e *EmptyDictionary) OnlyIterator(onlyTerms [][]byte,
-	includeCount bool) DictionaryIterator {
-	return &EmptyDictionaryIterator{}
-}
-
-func (e *EmptyDictionary) Contains(key []byte) (bool, error) {
-	return false, nil
-}
-
-type EmptyDictionaryIterator struct{}
-
-func (e *EmptyDictionaryIterator) Next() (*index.DictEntry, error) {
-	return nil, nil
-}
-
-func (e *EmptyDictionaryIterator) Contains(key []byte) (bool, error) {
-	return false, nil
-}
-
-type EmptyPostingsList struct{}
-
-func (e *EmptyPostingsList) Iterator(includeFreq, includeNorm, includeLocations bool,
-	prealloc PostingsIterator) PostingsIterator {
-	return &EmptyPostingsIterator{}
-}
-
-func (e *EmptyPostingsList) Size() int {
-	return 0
-}
-
-func (e *EmptyPostingsList) Count() uint64 {
-	return 0
-}
-
-type EmptyPostingsIterator struct{}
-
-func (e *EmptyPostingsIterator) Next() (Posting, error) {
-	return nil, nil
-}
-
-func (e *EmptyPostingsIterator) Advance(uint64) (Posting, error) {
-	return nil, nil
-}
-
-func (e *EmptyPostingsIterator) Size() int {
-	return 0
-}
-
-var AnEmptyPostingsIterator = &EmptyPostingsIterator{}

vendor/github.com/blevesearch/bleve/index/scorch/segment/int.go

@@ -1,176 +0,0 @@
-// Copyright 2014 The Cockroach Authors.
-//
-// 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.
-
-// This code originated from:
-// https://github.com/cockroachdb/cockroach/blob/2dd65dde5d90c157f4b93f92502ca1063b904e1d/pkg/util/encoding/encoding.go
-
-// Modified to not use pkg/errors
-
-package segment
-
-import (
-	"errors"
-	"fmt"
-)
-
-const (
-	MaxVarintSize = 9
-
-	// IntMin is chosen such that the range of int tags does not overlap the
-	// ascii character set that is frequently used in testing.
-	IntMin      = 0x80 // 128
-	intMaxWidth = 8
-	intZero     = IntMin + intMaxWidth           // 136
-	intSmall    = IntMax - intZero - intMaxWidth // 109
-	// IntMax is the maximum int tag value.
-	IntMax = 0xfd // 253
-)
-
-// EncodeUvarintAscending encodes the uint64 value using a variable length
-// (length-prefixed) representation. The length is encoded as a single
-// byte indicating the number of encoded bytes (-8) to follow. See
-// EncodeVarintAscending for rationale. The encoded bytes are appended to the
-// supplied buffer and the final buffer is returned.
-func EncodeUvarintAscending(b []byte, v uint64) []byte {
-	switch {
-	case v <= intSmall:
-		return append(b, intZero+byte(v))
-	case v <= 0xff:
-		return append(b, IntMax-7, byte(v))
-	case v <= 0xffff:
-		return append(b, IntMax-6, byte(v>>8), byte(v))
-	case v <= 0xffffff:
-		return append(b, IntMax-5, byte(v>>16), byte(v>>8), byte(v))
-	case v <= 0xffffffff:
-		return append(b, IntMax-4, byte(v>>24), byte(v>>16), byte(v>>8), byte(v))
-	case v <= 0xffffffffff:
-		return append(b, IntMax-3, byte(v>>32), byte(v>>24), byte(v>>16), byte(v>>8),
-			byte(v))
-	case v <= 0xffffffffffff:
-		return append(b, IntMax-2, byte(v>>40), byte(v>>32), byte(v>>24), byte(v>>16),
-			byte(v>>8), byte(v))
-	case v <= 0xffffffffffffff:
-		return append(b, IntMax-1, byte(v>>48), byte(v>>40), byte(v>>32), byte(v>>24),
-			byte(v>>16), byte(v>>8), byte(v))
-	default:
-		return append(b, IntMax, byte(v>>56), byte(v>>48), byte(v>>40), byte(v>>32),
-			byte(v>>24), byte(v>>16), byte(v>>8), byte(v))
-	}
-}
-
-// DecodeUvarintAscending decodes a varint encoded uint64 from the input
-// buffer. The remainder of the input buffer and the decoded uint64
-// are returned.
-func DecodeUvarintAscending(b []byte) ([]byte, uint64, error) {
-	if len(b) == 0 {
-		return nil, 0, fmt.Errorf("insufficient bytes to decode uvarint value")
-	}
-	length := int(b[0]) - intZero
-	b = b[1:] // skip length byte
-	if length <= intSmall {
-		return b, uint64(length), nil
-	}
-	length -= intSmall
-	if length < 0 || length > 8 {
-		return nil, 0, fmt.Errorf("invalid uvarint length of %d", length)
-	} else if len(b) < length {
-		return nil, 0, fmt.Errorf("insufficient bytes to decode uvarint value: %q", b)
-	}
-	var v uint64
-	// It is faster to range over the elements in a slice than to index
-	// into the slice on each loop iteration.
-	for _, t := range b[:length] {
-		v = (v << 8) | uint64(t)
-	}
-	return b[length:], v, nil
-}
-
-// ------------------------------------------------------------
-
-type MemUvarintReader struct {
-	C int // index of next byte to read from S
-	S []byte
-}
-
-func NewMemUvarintReader(s []byte) *MemUvarintReader {
-	return &MemUvarintReader{S: s}
-}
-
-// Len returns the number of unread bytes.
-func (r *MemUvarintReader) Len() int {
-	n := len(r.S) - r.C
-	if n < 0 {
-		return 0
-	}
-	return n
-}
-
-var ErrMemUvarintReaderOverflow = errors.New("MemUvarintReader overflow")
-
-// ReadUvarint reads an encoded uint64.  The original code this was
-// based on is at encoding/binary/ReadUvarint().
-func (r *MemUvarintReader) ReadUvarint() (uint64, error) {
-	var x uint64
-	var s uint
-	var C = r.C
-	var S = r.S
-
-	for {
-		b := S[C]
-		C++
-
-		if b < 0x80 {
-			r.C = C
-
-			// why 63?  The original code had an 'i += 1' loop var and
-			// checked for i > 9 || i == 9 ...; but, we no longer
-			// check for the i var, but instead check here for s,
-			// which is incremented by 7.  So, 7*9 == 63.
-			//
-			// why the "extra" >= check?  The normal case is that s <
-			// 63, so we check this single >= guard first so that we
-			// hit the normal, nil-error return pathway sooner.
-			if s >= 63 && (s > 63 || s == 63 && b > 1) {
-				return 0, ErrMemUvarintReaderOverflow
-			}
-
-			return x | uint64(b)<<s, nil
-		}
-
-		x |= uint64(b&0x7f) << s
-		s += 7
-	}
-}
-
-// SkipUvarint skips ahead one encoded uint64.
-func (r *MemUvarintReader) SkipUvarint() {
-	for {
-		b := r.S[r.C]
-		r.C++
-
-		if b < 0x80 {
-			return
-		}
-	}
-}
-
-// SkipBytes skips a count number of bytes.
-func (r *MemUvarintReader) SkipBytes(count int) {
-	r.C = r.C + count
-}
-
-func (r *MemUvarintReader) Reset(s []byte) {
-	r.C = 0
-	r.S = s
-}

vendor/github.com/blevesearch/bleve/index/scorch/segment/plugin.go

@@ -1,58 +0,0 @@
-//  Copyright (c) 2020 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 segment
-
-import (
-	"github.com/RoaringBitmap/roaring"
-	"github.com/blevesearch/bleve/index"
-)
-
-// Plugin represents the essential functions required by a package to plug in
-// it's segment implementation
-type Plugin interface {
-
-	// Type is the name for this segment plugin
-	Type() string
-
-	// Version is a numeric value identifying a specific version of this type.
-	// When incompatible changes are made to a particular type of plugin, the
-	// version must be incremented.
-	Version() uint32
-
-	// New takes a set of AnalysisResults and turns them into a new Segment
-	New(results []*index.AnalysisResult) (Segment, uint64, error)
-
-	// Open attempts to open the file at the specified path and
-	// return the corresponding Segment
-	Open(path string) (Segment, error)
-
-	// Merge takes a set of Segments, and creates a new segment on disk at
-	// the specified path.
-	// Drops is a set of bitmaps (one for each segment) indicating which
-	// documents can be dropped from the segments during the merge.
-	// If the closeCh channel is closed, Merge will cease doing work at
-	// the next opportunity, and return an error (closed).
-	// StatsReporter can optionally be provided, in which case progress
-	// made during the merge is reported while operation continues.
-	// Returns:
-	// A slice of new document numbers (one for each input segment),
-	// this allows the caller to know a particular document's new
-	// document number in the newly merged segment.
-	// The number of bytes written to the new segment file.
-	// An error, if any occurred.
-	Merge(segments []Segment, drops []*roaring.Bitmap, path string,
-		closeCh chan struct{}, s StatsReporter) (
-		[][]uint64, uint64, error)
-}

vendor/github.com/blevesearch/bleve/index/scorch/segment_plugin.go

@@ -1,93 +0,0 @@
-//  Copyright (c) 2019 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 scorch
-
-import (
-	"fmt"
-
-	"github.com/blevesearch/bleve/index/scorch/segment"
-
-	zapv11 "github.com/blevesearch/zap/v11"
-	zapv12 "github.com/blevesearch/zap/v12"
-	zapv13 "github.com/blevesearch/zap/v13"
-	zapv14 "github.com/blevesearch/zap/v14"
-	zapv15 "github.com/blevesearch/zap/v15"
-)
-
-var supportedSegmentPlugins map[string]map[uint32]segment.Plugin
-var defaultSegmentPlugin segment.Plugin
-
-func init() {
-	ResetPlugins()
-	RegisterPlugin(zapv15.Plugin(), false)
-	RegisterPlugin(zapv14.Plugin(), false)
-	RegisterPlugin(zapv13.Plugin(), false)
-	RegisterPlugin(zapv12.Plugin(), false)
-	RegisterPlugin(zapv11.Plugin(), true)
-}
-
-func ResetPlugins() {
-	supportedSegmentPlugins = map[string]map[uint32]segment.Plugin{}
-}
-
-func RegisterPlugin(plugin segment.Plugin, makeDefault bool) {
-	if _, ok := supportedSegmentPlugins[plugin.Type()]; !ok {
-		supportedSegmentPlugins[plugin.Type()] = map[uint32]segment.Plugin{}
-	}
-	supportedSegmentPlugins[plugin.Type()][plugin.Version()] = plugin
-	if makeDefault {
-		defaultSegmentPlugin = plugin
-	}
-}
-
-func SupportedSegmentTypes() (rv []string) {
-	for k := range supportedSegmentPlugins {
-		rv = append(rv, k)
-	}
-	return
-}
-
-func SupportedSegmentTypeVersions(typ string) (rv []uint32) {
-	for k := range supportedSegmentPlugins[typ] {
-		rv = append(rv, k)
-	}
-	return rv
-}
-
-func chooseSegmentPlugin(forcedSegmentType string,
-	forcedSegmentVersion uint32) (segment.Plugin, error) {
-	if versions, ok := supportedSegmentPlugins[forcedSegmentType]; ok {
-		if segPlugin, ok := versions[uint32(forcedSegmentVersion)]; ok {
-			return segPlugin, nil
-		}
-		return nil, fmt.Errorf(
-			"unsupported version %d for segment type: %s, supported: %v",
-			forcedSegmentVersion, forcedSegmentType,
-			SupportedSegmentTypeVersions(forcedSegmentType))
-	}
-	return nil, fmt.Errorf("unsupported segment type: %s, supported: %v",
-		forcedSegmentType, SupportedSegmentTypes())
-}
-
-func (s *Scorch) loadSegmentPlugin(forcedSegmentType string,
-	forcedSegmentVersion uint32) error {
-	segPlugin, err := chooseSegmentPlugin(forcedSegmentType,
-		forcedSegmentVersion)
-	if err != nil {
-		return err
-	}
-	s.segPlugin = segPlugin
-	return nil
-}

vendor/github.com/blevesearch/bleve/v2/README.md

@@ -11,8 +11,6 @@
 
 modern text indexing in go - [blevesearch.com](http://www.blevesearch.com/)
 
-Try out bleve live by [searching the bleve website](http://www.blevesearch.com/search/?q=bleve).
-
 ## Features
 
 * Index any go data structure (including JSON)

vendor/github.com/blevesearch/bleve/v2/analysis/analyzer/custom/custom.go

@@ -17,8 +17,8 @@ package custom
 import (
 	"fmt"
 
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 )
 
 const Name = "custom"

vendor/github.com/blevesearch/bleve/v2/analysis/analyzer/keyword/keyword.go

@@ -15,9 +15,9 @@
 package keyword
 
 import (
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/analysis/tokenizer/single"
+	"github.com/blevesearch/bleve/v2/analysis/tokenizer/single"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 )
 
 const Name = "keyword"

vendor/github.com/blevesearch/bleve/v2/analysis/analyzer/standard/standard.go

@@ -15,11 +15,11 @@
 package standard
 
 import (
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/analysis/lang/en"
+	"github.com/blevesearch/bleve/v2/analysis/lang/en"
-	"github.com/blevesearch/bleve/analysis/token/lowercase"
+	"github.com/blevesearch/bleve/v2/analysis/token/lowercase"
-	"github.com/blevesearch/bleve/analysis/tokenizer/unicode"
+	"github.com/blevesearch/bleve/v2/analysis/tokenizer/unicode"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 )
 
 const Name = "standard"

vendor/github.com/blevesearch/bleve/v2/analysis/datetime/flexible/flexible.go

@@ -18,8 +18,8 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 )
 
 const Name = "flexiblego"

vendor/github.com/blevesearch/bleve/v2/analysis/datetime/optional/optional.go

@@ -17,9 +17,9 @@ package optional
 import (
 	"time"
 
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/analysis/datetime/flexible"
+	"github.com/blevesearch/bleve/v2/analysis/datetime/flexible"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 )
 
 const Name = "dateTimeOptional"

vendor/github.com/blevesearch/bleve/v2/analysis/freq.go

@@ -0,0 +1,70 @@
+//  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 analysis
+
+import (
+	index "github.com/blevesearch/bleve_index_api"
+)
+
+func TokenFrequency(tokens TokenStream, arrayPositions []uint64, options index.FieldIndexingOptions) index.TokenFrequencies {
+	rv := make(map[string]*index.TokenFreq, len(tokens))
+
+	if options.IncludeTermVectors() {
+		tls := make([]index.TokenLocation, len(tokens))
+		tlNext := 0
+
+		for _, token := range tokens {
+			tls[tlNext] = index.TokenLocation{
+				ArrayPositions: arrayPositions,
+				Start:          token.Start,
+				End:            token.End,
+				Position:       token.Position,
+			}
+
+			curr, ok := rv[string(token.Term)]
+			if ok {
+				curr.Locations = append(curr.Locations, &tls[tlNext])
+			} else {
+				curr = &index.TokenFreq{
+					Term:      token.Term,
+					Locations: []*index.TokenLocation{&tls[tlNext]},
+				}
+				rv[string(token.Term)] = curr
+			}
+
+			if !options.SkipFreqNorm() {
+				curr.SetFrequency(curr.Frequency() + 1)
+			}
+
+			tlNext++
+		}
+	} else {
+		for _, token := range tokens {
+			curr, exists := rv[string(token.Term)]
+			if !exists {
+				curr = &index.TokenFreq{
+					Term: token.Term,
+				}
+				rv[string(token.Term)] = curr
+			}
+
+			if !options.SkipFreqNorm() {
+				curr.SetFrequency(curr.Frequency() + 1)
+			}
+		}
+	}
+
+	return rv
+}

vendor/github.com/blevesearch/bleve/v2/analysis/lang/en/analyzer_en.go

@@ -22,12 +22,12 @@
 package en
 
 import (
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 
-	"github.com/blevesearch/bleve/analysis/token/lowercase"
+	"github.com/blevesearch/bleve/v2/analysis/token/lowercase"
-	"github.com/blevesearch/bleve/analysis/token/porter"
+	"github.com/blevesearch/bleve/v2/analysis/token/porter"
-	"github.com/blevesearch/bleve/analysis/tokenizer/unicode"
+	"github.com/blevesearch/bleve/v2/analysis/tokenizer/unicode"
 )
 
 const AnalyzerName = "en"

vendor/github.com/blevesearch/bleve/v2/analysis/lang/en/possessive_filter_en.go

@@ -17,8 +17,8 @@ package en
 import (
 	"unicode/utf8"
 
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 )
 
 // PossessiveName is the name PossessiveFilter is registered as

vendor/github.com/blevesearch/bleve/v2/analysis/lang/en/stemmer_en_snowball.go

@@ -15,8 +15,8 @@
 package en
 
 import (
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 
 	"github.com/blevesearch/snowballstem"
 	"github.com/blevesearch/snowballstem/english"

vendor/github.com/blevesearch/bleve/v2/analysis/lang/en/stop_filter_en.go

@@ -15,9 +15,9 @@
 package en
 
 import (
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/analysis/token/stop"
+	"github.com/blevesearch/bleve/v2/analysis/token/stop"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 )
 
 func StopTokenFilterConstructor(config map[string]interface{}, cache *registry.Cache) (analysis.TokenFilter, error) {

vendor/github.com/blevesearch/bleve/v2/analysis/lang/en/stop_words_en.go

@@ -1,8 +1,8 @@
 package en
 
 import (
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 )
 
 const StopName = "stop_en"

vendor/github.com/blevesearch/bleve/v2/analysis/token/lowercase/lowercase.go

@@ -21,8 +21,8 @@ import (
 	"unicode"
 	"unicode/utf8"
 
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 )
 
 // Name is the name used to register LowerCaseFilter in the bleve registry

vendor/github.com/blevesearch/bleve/v2/analysis/token/porter/porter.go

@@ -17,8 +17,8 @@ package porter
 import (
 	"bytes"
 
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 
 	"github.com/blevesearch/go-porterstemmer"
 )

vendor/github.com/blevesearch/bleve/v2/analysis/token/stop/stop.go

@@ -24,8 +24,8 @@ package stop
 import (
 	"fmt"
 
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 )
 
 const Name = "stop_tokens"

vendor/github.com/blevesearch/bleve/v2/analysis/token/unicodenorm/unicodenorm.go

@@ -17,8 +17,8 @@ package unicodenorm
 import (
 	"fmt"
 
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 	"golang.org/x/text/unicode/norm"
 )
 

vendor/github.com/blevesearch/bleve/v2/analysis/tokenizer/single/single.go

@@ -15,8 +15,8 @@
 package single
 
 import (
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 )
 
 const Name = "single"

vendor/github.com/blevesearch/bleve/v2/analysis/tokenizer/unicode/unicode.go

@@ -17,8 +17,8 @@ package unicode
 import (
 	"github.com/blevesearch/segment"
 
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/registry"
 )
 
 const Name = "unicode"

vendor/github.com/blevesearch/bleve/v2/builder.go

@@ -18,10 +18,10 @@ import (
 	"encoding/json"
 	"fmt"
 
-	"github.com/blevesearch/bleve/document"
+	"github.com/blevesearch/bleve/v2/document"
-	"github.com/blevesearch/bleve/index"
+	"github.com/blevesearch/bleve/v2/index/scorch"
-	"github.com/blevesearch/bleve/index/scorch"
+	"github.com/blevesearch/bleve/v2/mapping"
-	"github.com/blevesearch/bleve/mapping"
+	index "github.com/blevesearch/bleve_index_api"
 )
 
 type builderImpl struct {

vendor/github.com/blevesearch/bleve/v2/config.go

@@ -20,14 +20,11 @@ import (
 	"log"
 	"time"
 
-	"github.com/blevesearch/bleve/index"
+	"github.com/blevesearch/bleve/v2/index/scorch"
-	"github.com/blevesearch/bleve/index/store/gtreap"
+	"github.com/blevesearch/bleve/v2/index/upsidedown/store/gtreap"
-	"github.com/blevesearch/bleve/index/upsidedown"
+	"github.com/blevesearch/bleve/v2/registry"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/bleve/v2/search/highlight/highlighter/html"
-	"github.com/blevesearch/bleve/search/highlight/highlighter/html"
+	index "github.com/blevesearch/bleve_index_api"
-
-	// force import of scorch so its accessible by default
-	_ "github.com/blevesearch/bleve/index/scorch"
 )
 
 var bleveExpVar = expvar.NewMap("bleve")
@@ -79,7 +76,7 @@ func init() {
 	Config.DefaultMemKVStore = gtreap.Name
 
 	// default index
-	Config.DefaultIndexType = upsidedown.Name
+	Config.DefaultIndexType = scorch.Name
 
 	bootDuration := time.Since(bootStart)
 	bleveExpVar.Add("bootDuration", int64(bootDuration))

vendor/github.com/blevesearch/bleve/v2/config_disk.go

@@ -16,7 +16,7 @@
 
 package bleve
 
-import "github.com/blevesearch/bleve/index/store/boltdb"
+import "github.com/blevesearch/bleve/v2/index/upsidedown/store/boltdb"
 
 // in normal environments we configure boltdb as the default storage
 func initDisk() {

vendor/github.com/blevesearch/bleve/v2/document/document.go

@@ -18,7 +18,8 @@ import (
 	"fmt"
 	"reflect"
 
-	"github.com/blevesearch/bleve/size"
+	"github.com/blevesearch/bleve/v2/size"
+	index "github.com/blevesearch/bleve_index_api"
 )
 
 var reflectStaticSizeDocument int
@@ -29,14 +30,14 @@ func init() {
 }
 
 type Document struct {
-	ID              string  `json:"id"`
+	id              string  `json:"id"`
 	Fields          []Field `json:"fields"`
 	CompositeFields []*CompositeField
 }
 
 func NewDocument(id string) *Document {
 	return &Document{
-		ID:              id,
+		id:              id,
 		Fields:          make([]Field, 0),
 		CompositeFields: make([]*CompositeField, 0),
 	}
@@ -44,7 +45,7 @@ func NewDocument(id string) *Document {
 
 func (d *Document) Size() int {
 	sizeInBytes := reflectStaticSizeDocument + size.SizeOfPtr +
-		len(d.ID)
+		len(d.id)
 
 	for _, entry := range d.Fields {
 		sizeInBytes += entry.Size()
@@ -82,7 +83,7 @@ func (d *Document) GoString() string {
 		}
 		compositeFields += fmt.Sprintf("%#v", field)
 	}
-	return fmt.Sprintf("&document.Document{ID:%s, Fields: %s, CompositeFields: %s}", d.ID, fields, compositeFields)
+	return fmt.Sprintf("&document.Document{ID:%s, Fields: %s, CompositeFields: %s}", d.ID(), fields, compositeFields)
 }
 
 func (d *Document) NumPlainTextBytes() uint64 {
@@ -99,3 +100,31 @@ func (d *Document) NumPlainTextBytes() uint64 {
 	}
 	return rv
 }
+
+func (d *Document) ID() string {
+	return d.id
+}
+
+func (d *Document) SetID(id string) {
+	d.id = id
+}
+
+func (d *Document) AddIDField() {
+	d.AddField(NewTextFieldCustom("_id", nil, []byte(d.ID()), index.IndexField|index.StoreField, nil))
+}
+
+func (d *Document) VisitFields(visitor index.FieldVisitor) {
+	for _, f := range d.Fields {
+		visitor(f)
+	}
+}
+
+func (d *Document) VisitComposite(visitor index.CompositeFieldVisitor) {
+	for _, f := range d.CompositeFields {
+		visitor(f)
+	}
+}
+
+func (d *Document) HasComposite() bool {
+	return len(d.CompositeFields) > 0
+}

vendor/github.com/blevesearch/bleve/v2/document/field.go

@@ -15,7 +15,7 @@
 package document
 
 import (
-	"github.com/blevesearch/bleve/analysis"
+	index "github.com/blevesearch/bleve_index_api"
 )
 
 type Field interface {
@@ -28,8 +28,8 @@ type Field interface {
 	// arrays, ArrayPositions returns 2 indices used to resolve "doc2" value in
 	// "doc1", then "field" in "doc2".
 	ArrayPositions() []uint64
-	Options() IndexingOptions
+	Options() index.FieldIndexingOptions
-	Analyze() (int, analysis.TokenFrequencies)
+	Analyze()
 	Value() []byte
 
 	// NumPlainTextBytes should return the number of plain text bytes
@@ -38,4 +38,8 @@ type Field interface {
 	NumPlainTextBytes() uint64
 
 	Size() int
+
+	EncodedFieldType() byte
+	AnalyzedLength() int
+	AnalyzedTokenFrequencies() index.TokenFrequencies
 }

vendor/github.com/blevesearch/bleve/v2/document/field_boolean.go

@@ -18,8 +18,9 @@ import (
 	"fmt"
 	"reflect"
 
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/size"
+	"github.com/blevesearch/bleve/v2/size"
+	index "github.com/blevesearch/bleve_index_api"
 )
 
 var reflectStaticSizeBooleanField int
@@ -29,14 +30,16 @@ func init() {
 	reflectStaticSizeBooleanField = int(reflect.TypeOf(f).Size())
 }
 
-const DefaultBooleanIndexingOptions = StoreField | IndexField | DocValues
+const DefaultBooleanIndexingOptions = index.StoreField | index.IndexField | index.DocValues
 
 type BooleanField struct {
 	name              string
 	arrayPositions    []uint64
-	options           IndexingOptions
+	options           index.FieldIndexingOptions
 	value             []byte
 	numPlainTextBytes uint64
+	length            int
+	frequencies       index.TokenFrequencies
 }
 
 func (b *BooleanField) Size() int {
@@ -54,11 +57,11 @@ func (b *BooleanField) ArrayPositions() []uint64 {
 	return b.arrayPositions
 }
 
-func (b *BooleanField) Options() IndexingOptions {
+func (b *BooleanField) Options() index.FieldIndexingOptions {
 	return b.options
 }
 
-func (b *BooleanField) Analyze() (int, analysis.TokenFrequencies) {
+func (b *BooleanField) Analyze() {
 	tokens := make(analysis.TokenStream, 0)
 	tokens = append(tokens, &analysis.Token{
 		Start:    0,
@@ -68,9 +71,8 @@ func (b *BooleanField) Analyze() (int, analysis.TokenFrequencies) {
 		Type:     analysis.Boolean,
 	})
 
-	fieldLength := len(tokens)
+	b.length = len(tokens)
-	tokenFreqs := analysis.TokenFrequency(tokens, b.arrayPositions, b.options.IncludeTermVectors())
+	b.frequencies = analysis.TokenFrequency(tokens, b.arrayPositions, b.options)
-	return fieldLength, tokenFreqs
 }
 
 func (b *BooleanField) Value() []byte {
@@ -92,6 +94,18 @@ func (b *BooleanField) NumPlainTextBytes() uint64 {
 	return b.numPlainTextBytes
 }
 
+func (b *BooleanField) EncodedFieldType() byte {
+	return 'b'
+}
+
+func (b *BooleanField) AnalyzedLength() int {
+	return b.length
+}
+
+func (b *BooleanField) AnalyzedTokenFrequencies() index.TokenFrequencies {
+	return b.frequencies
+}
+
 func NewBooleanFieldFromBytes(name string, arrayPositions []uint64, value []byte) *BooleanField {
 	return &BooleanField{
 		name:              name,
@@ -106,7 +120,7 @@ func NewBooleanField(name string, arrayPositions []uint64, b bool) *BooleanField
 	return NewBooleanFieldWithIndexingOptions(name, arrayPositions, b, DefaultNumericIndexingOptions)
 }
 
-func NewBooleanFieldWithIndexingOptions(name string, arrayPositions []uint64, b bool, options IndexingOptions) *BooleanField {
+func NewBooleanFieldWithIndexingOptions(name string, arrayPositions []uint64, b bool, options index.FieldIndexingOptions) *BooleanField {
 	numPlainTextBytes := 5
 	v := []byte("F")
 	if b {

vendor/github.com/blevesearch/bleve/v2/document/field_composite.go

@@ -17,8 +17,8 @@ package document
 import (
 	"reflect"
 
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/size"
-	"github.com/blevesearch/bleve/size"
+	index "github.com/blevesearch/bleve_index_api"
 )
 
 var reflectStaticSizeCompositeField int
@@ -28,30 +28,30 @@ func init() {
 	reflectStaticSizeCompositeField = int(reflect.TypeOf(cf).Size())
 }
 
-const DefaultCompositeIndexingOptions = IndexField
+const DefaultCompositeIndexingOptions = index.IndexField
 
 type CompositeField struct {
 	name                 string
 	includedFields       map[string]bool
 	excludedFields       map[string]bool
 	defaultInclude       bool
-	options              IndexingOptions
+	options              index.FieldIndexingOptions
 	totalLength          int
-	compositeFrequencies analysis.TokenFrequencies
+	compositeFrequencies index.TokenFrequencies
 }
 
 func NewCompositeField(name string, defaultInclude bool, include []string, exclude []string) *CompositeField {
 	return NewCompositeFieldWithIndexingOptions(name, defaultInclude, include, exclude, DefaultCompositeIndexingOptions)
 }
 
-func NewCompositeFieldWithIndexingOptions(name string, defaultInclude bool, include []string, exclude []string, options IndexingOptions) *CompositeField {
+func NewCompositeFieldWithIndexingOptions(name string, defaultInclude bool, include []string, exclude []string, options index.FieldIndexingOptions) *CompositeField {
 	rv := &CompositeField{
 		name:                 name,
 		options:              options,
 		defaultInclude:       defaultInclude,
 		includedFields:       make(map[string]bool, len(include)),
 		excludedFields:       make(map[string]bool, len(exclude)),
-		compositeFrequencies: make(analysis.TokenFrequencies),
+		compositeFrequencies: make(index.TokenFrequencies),
 	}
 
 	for _, i := range include {
@@ -87,12 +87,11 @@ func (c *CompositeField) ArrayPositions() []uint64 {
 	return []uint64{}
 }
 
-func (c *CompositeField) Options() IndexingOptions {
+func (c *CompositeField) Options() index.FieldIndexingOptions {
 	return c.options
 }
 
-func (c *CompositeField) Analyze() (int, analysis.TokenFrequencies) {
+func (c *CompositeField) Analyze() {
-	return c.totalLength, c.compositeFrequencies
 }
 
 func (c *CompositeField) Value() []byte {
@@ -116,9 +115,21 @@ func (c *CompositeField) includesField(field string) bool {
 	return shouldInclude
 }
 
-func (c *CompositeField) Compose(field string, length int, freq analysis.TokenFrequencies) {
+func (c *CompositeField) Compose(field string, length int, freq index.TokenFrequencies) {
 	if c.includesField(field) {
 		c.totalLength += length
 		c.compositeFrequencies.MergeAll(field, freq)
 	}
 }
+
+func (c *CompositeField) EncodedFieldType() byte {
+	return 'c'
+}
+
+func (c *CompositeField) AnalyzedLength() int {
+	return c.totalLength
+}
+
+func (c *CompositeField) AnalyzedTokenFrequencies() index.TokenFrequencies {
+	return c.compositeFrequencies
+}

vendor/github.com/blevesearch/bleve/v2/document/field_datetime.go

@@ -20,9 +20,10 @@ import (
 	"reflect"
 	"time"
 
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/numeric"
+	"github.com/blevesearch/bleve/v2/numeric"
-	"github.com/blevesearch/bleve/size"
+	"github.com/blevesearch/bleve/v2/size"
+	index "github.com/blevesearch/bleve_index_api"
 )
 
 var reflectStaticSizeDateTimeField int
@@ -32,7 +33,7 @@ func init() {
 	reflectStaticSizeDateTimeField = int(reflect.TypeOf(f).Size())
 }
 
-const DefaultDateTimeIndexingOptions = StoreField | IndexField | DocValues
+const DefaultDateTimeIndexingOptions = index.StoreField | index.IndexField | index.DocValues
 const DefaultDateTimePrecisionStep uint = 4
 
 var MinTimeRepresentable = time.Unix(0, math.MinInt64)
@@ -41,9 +42,11 @@ var MaxTimeRepresentable = time.Unix(0, math.MaxInt64)
 type DateTimeField struct {
 	name              string
 	arrayPositions    []uint64
-	options           IndexingOptions
+	options           index.FieldIndexingOptions
 	value             numeric.PrefixCoded
 	numPlainTextBytes uint64
+	length            int
+	frequencies       index.TokenFrequencies
 }
 
 func (n *DateTimeField) Size() int {
@@ -60,11 +63,23 @@ func (n *DateTimeField) ArrayPositions() []uint64 {
 	return n.arrayPositions
 }
 
-func (n *DateTimeField) Options() IndexingOptions {
+func (n *DateTimeField) Options() index.FieldIndexingOptions {
 	return n.options
 }
 
-func (n *DateTimeField) Analyze() (int, analysis.TokenFrequencies) {
+func (n *DateTimeField) EncodedFieldType() byte {
+	return 'd'
+}
+
+func (n *DateTimeField) AnalyzedLength() int {
+	return n.length
+}
+
+func (n *DateTimeField) AnalyzedTokenFrequencies() index.TokenFrequencies {
+	return n.frequencies
+}
+
+func (n *DateTimeField) Analyze() {
 	tokens := make(analysis.TokenStream, 0)
 	tokens = append(tokens, &analysis.Token{
 		Start:    0,
@@ -95,9 +110,8 @@ func (n *DateTimeField) Analyze() (int, analysis.TokenFrequencies) {
 		}
 	}
 
-	fieldLength := len(tokens)
+	n.length = len(tokens)
-	tokenFreqs := analysis.TokenFrequency(tokens, n.arrayPositions, n.options.IncludeTermVectors())
+	n.frequencies = analysis.TokenFrequency(tokens, n.arrayPositions, n.options)
-	return fieldLength, tokenFreqs
 }
 
 func (n *DateTimeField) Value() []byte {
@@ -134,7 +148,7 @@ func NewDateTimeField(name string, arrayPositions []uint64, dt time.Time) (*Date
 	return NewDateTimeFieldWithIndexingOptions(name, arrayPositions, dt, DefaultDateTimeIndexingOptions)
 }
 
-func NewDateTimeFieldWithIndexingOptions(name string, arrayPositions []uint64, dt time.Time, options IndexingOptions) (*DateTimeField, error) {
+func NewDateTimeFieldWithIndexingOptions(name string, arrayPositions []uint64, dt time.Time, options index.FieldIndexingOptions) (*DateTimeField, error) {
 	if canRepresent(dt) {
 		dtInt64 := dt.UnixNano()
 		prefixCoded := numeric.MustNewPrefixCodedInt64(dtInt64, 0)

vendor/github.com/blevesearch/bleve/v2/document/field_geopoint.go

@@ -18,10 +18,11 @@ import (
 	"fmt"
 	"reflect"
 
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/geo"
+	"github.com/blevesearch/bleve/v2/geo"
-	"github.com/blevesearch/bleve/numeric"
+	"github.com/blevesearch/bleve/v2/numeric"
-	"github.com/blevesearch/bleve/size"
+	"github.com/blevesearch/bleve/v2/size"
+	index "github.com/blevesearch/bleve_index_api"
 )
 
 var reflectStaticSizeGeoPointField int
@@ -36,9 +37,11 @@ var GeoPrecisionStep uint = 9
 type GeoPointField struct {
 	name              string
 	arrayPositions    []uint64
-	options           IndexingOptions
+	options           index.FieldIndexingOptions
 	value             numeric.PrefixCoded
 	numPlainTextBytes uint64
+	length            int
+	frequencies       index.TokenFrequencies
 }
 
 func (n *GeoPointField) Size() int {
@@ -55,11 +58,23 @@ func (n *GeoPointField) ArrayPositions() []uint64 {
 	return n.arrayPositions
 }
 
-func (n *GeoPointField) Options() IndexingOptions {
+func (n *GeoPointField) Options() index.FieldIndexingOptions {
 	return n.options
 }
 
-func (n *GeoPointField) Analyze() (int, analysis.TokenFrequencies) {
+func (n *GeoPointField) EncodedFieldType() byte {
+	return 'g'
+}
+
+func (n *GeoPointField) AnalyzedLength() int {
+	return n.length
+}
+
+func (n *GeoPointField) AnalyzedTokenFrequencies() index.TokenFrequencies {
+	return n.frequencies
+}
+
+func (n *GeoPointField) Analyze() {
 	tokens := make(analysis.TokenStream, 0)
 	tokens = append(tokens, &analysis.Token{
 		Start:    0,
@@ -90,9 +105,8 @@ func (n *GeoPointField) Analyze() (int, analysis.TokenFrequencies) {
 		}
 	}
 
-	fieldLength := len(tokens)
+	n.length = len(tokens)
-	tokenFreqs := analysis.TokenFrequency(tokens, n.arrayPositions, n.options.IncludeTermVectors())
+	n.frequencies = analysis.TokenFrequency(tokens, n.arrayPositions, n.options)
-	return fieldLength, tokenFreqs
 }
 
 func (n *GeoPointField) Value() []byte {
@@ -137,7 +151,7 @@ func NewGeoPointField(name string, arrayPositions []uint64, lon, lat float64) *G
 	return NewGeoPointFieldWithIndexingOptions(name, arrayPositions, lon, lat, DefaultNumericIndexingOptions)
 }
 
-func NewGeoPointFieldWithIndexingOptions(name string, arrayPositions []uint64, lon, lat float64, options IndexingOptions) *GeoPointField {
+func NewGeoPointFieldWithIndexingOptions(name string, arrayPositions []uint64, lon, lat float64, options index.FieldIndexingOptions) *GeoPointField {
 	mhash := geo.MortonHash(lon, lat)
 	prefixCoded := numeric.MustNewPrefixCodedInt64(int64(mhash), 0)
 	return &GeoPointField{

vendor/github.com/blevesearch/bleve/v2/document/field_numeric.go

@@ -18,9 +18,10 @@ import (
 	"fmt"
 	"reflect"
 
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/numeric"
+	"github.com/blevesearch/bleve/v2/numeric"
-	"github.com/blevesearch/bleve/size"
+	"github.com/blevesearch/bleve/v2/size"
+	index "github.com/blevesearch/bleve_index_api"
 )
 
 var reflectStaticSizeNumericField int
@@ -30,16 +31,18 @@ func init() {
 	reflectStaticSizeNumericField = int(reflect.TypeOf(f).Size())
 }
 
-const DefaultNumericIndexingOptions = StoreField | IndexField | DocValues
+const DefaultNumericIndexingOptions = index.StoreField | index.IndexField | index.DocValues
 
 const DefaultPrecisionStep uint = 4
 
 type NumericField struct {
 	name              string
 	arrayPositions    []uint64
-	options           IndexingOptions
+	options           index.FieldIndexingOptions
 	value             numeric.PrefixCoded
 	numPlainTextBytes uint64
+	length            int
+	frequencies       index.TokenFrequencies
 }
 
 func (n *NumericField) Size() int {
@@ -56,11 +59,23 @@ func (n *NumericField) ArrayPositions() []uint64 {
 	return n.arrayPositions
 }
 
-func (n *NumericField) Options() IndexingOptions {
+func (n *NumericField) Options() index.FieldIndexingOptions {
 	return n.options
 }
 
-func (n *NumericField) Analyze() (int, analysis.TokenFrequencies) {
+func (n *NumericField) EncodedFieldType() byte {
+	return 'n'
+}
+
+func (n *NumericField) AnalyzedLength() int {
+	return n.length
+}
+
+func (n *NumericField) AnalyzedTokenFrequencies() index.TokenFrequencies {
+	return n.frequencies
+}
+
+func (n *NumericField) Analyze() {
 	tokens := make(analysis.TokenStream, 0)
 	tokens = append(tokens, &analysis.Token{
 		Start:    0,
@@ -91,9 +106,8 @@ func (n *NumericField) Analyze() (int, analysis.TokenFrequencies) {
 		}
 	}
 
-	fieldLength := len(tokens)
+	n.length = len(tokens)
-	tokenFreqs := analysis.TokenFrequency(tokens, n.arrayPositions, n.options.IncludeTermVectors())
+	n.frequencies = analysis.TokenFrequency(tokens, n.arrayPositions, n.options)
-	return fieldLength, tokenFreqs
 }
 
 func (n *NumericField) Value() []byte {
@@ -130,7 +144,7 @@ func NewNumericField(name string, arrayPositions []uint64, number float64) *Nume
 	return NewNumericFieldWithIndexingOptions(name, arrayPositions, number, DefaultNumericIndexingOptions)
 }
 
-func NewNumericFieldWithIndexingOptions(name string, arrayPositions []uint64, number float64, options IndexingOptions) *NumericField {
+func NewNumericFieldWithIndexingOptions(name string, arrayPositions []uint64, number float64, options index.FieldIndexingOptions) *NumericField {
 	numberInt64 := numeric.Float64ToInt64(number)
 	prefixCoded := numeric.MustNewPrefixCodedInt64(numberInt64, 0)
 	return &NumericField{

vendor/github.com/blevesearch/bleve/v2/document/field_text.go

@@ -18,8 +18,9 @@ import (
 	"fmt"
 	"reflect"
 
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/analysis"
-	"github.com/blevesearch/bleve/size"
+	"github.com/blevesearch/bleve/v2/size"
+	index "github.com/blevesearch/bleve_index_api"
 )
 
 var reflectStaticSizeTextField int
@@ -29,15 +30,17 @@ func init() {
 	reflectStaticSizeTextField = int(reflect.TypeOf(f).Size())
 }
 
-const DefaultTextIndexingOptions = IndexField | DocValues
+const DefaultTextIndexingOptions = index.IndexField | index.DocValues
 
 type TextField struct {
 	name              string
 	arrayPositions    []uint64
-	options           IndexingOptions
+	options           index.FieldIndexingOptions
 	analyzer          *analysis.Analyzer
 	value             []byte
 	numPlainTextBytes uint64
+	length            int
+	frequencies       index.TokenFrequencies
 }
 
 func (t *TextField) Size() int {
@@ -55,11 +58,23 @@ func (t *TextField) ArrayPositions() []uint64 {
 	return t.arrayPositions
 }
 
-func (t *TextField) Options() IndexingOptions {
+func (t *TextField) Options() index.FieldIndexingOptions {
 	return t.options
 }
 
-func (t *TextField) Analyze() (int, analysis.TokenFrequencies) {
+func (t *TextField) EncodedFieldType() byte {
+	return 't'
+}
+
+func (t *TextField) AnalyzedLength() int {
+	return t.length
+}
+
+func (t *TextField) AnalyzedTokenFrequencies() index.TokenFrequencies {
+	return t.frequencies
+}
+
+func (t *TextField) Analyze() {
 	var tokens analysis.TokenStream
 	if t.analyzer != nil {
 		bytesToAnalyze := t.Value()
@@ -81,9 +96,8 @@ func (t *TextField) Analyze() (int, analysis.TokenFrequencies) {
 			},
 		}
 	}
-	fieldLength := len(tokens) // number of tokens in this doc field
+	t.length = len(tokens) // number of tokens in this doc field
-	tokenFreqs := analysis.TokenFrequency(tokens, t.arrayPositions, t.options.IncludeTermVectors())
+	t.frequencies = analysis.TokenFrequency(tokens, t.arrayPositions, t.options)
-	return fieldLength, tokenFreqs
 }
 
 func (t *TextField) Analyzer() *analysis.Analyzer {
@@ -94,6 +108,10 @@ func (t *TextField) Value() []byte {
 	return t.value
 }
 
+func (t *TextField) Text() string {
+	return string(t.value)
+}
+
 func (t *TextField) GoString() string {
 	return fmt.Sprintf("&document.TextField{Name:%s, Options: %s, Analyzer: %v, Value: %s, ArrayPositions: %v}", t.name, t.options, t.analyzer, t.value, t.arrayPositions)
 }
@@ -106,7 +124,7 @@ func NewTextField(name string, arrayPositions []uint64, value []byte) *TextField
 	return NewTextFieldWithIndexingOptions(name, arrayPositions, value, DefaultTextIndexingOptions)
 }
 
-func NewTextFieldWithIndexingOptions(name string, arrayPositions []uint64, value []byte, options IndexingOptions) *TextField {
+func NewTextFieldWithIndexingOptions(name string, arrayPositions []uint64, value []byte, options index.FieldIndexingOptions) *TextField {
 	return &TextField{
 		name:              name,
 		arrayPositions:    arrayPositions,
@@ -127,7 +145,7 @@ func NewTextFieldWithAnalyzer(name string, arrayPositions []uint64, value []byte
 	}
 }
 
-func NewTextFieldCustom(name string, arrayPositions []uint64, value []byte, options IndexingOptions, analyzer *analysis.Analyzer) *TextField {
+func NewTextFieldCustom(name string, arrayPositions []uint64, value []byte, options index.FieldIndexingOptions, analyzer *analysis.Analyzer) *TextField {
 	return &TextField{
 		name:              name,
 		arrayPositions:    arrayPositions,

vendor/github.com/blevesearch/bleve/v2/error.go

@@ -20,7 +20,6 @@ const (
 	ErrorIndexPathDoesNotExist
 	ErrorIndexMetaMissing
 	ErrorIndexMetaCorrupt
-	ErrorUnknownStorageType
 	ErrorIndexClosed
 	ErrorAliasMulti
 	ErrorAliasEmpty
@@ -42,7 +41,6 @@ var errorMessages = map[Error]string{
 	ErrorIndexPathDoesNotExist:  "cannot open index, path does not exist",
 	ErrorIndexMetaMissing:       "cannot open index, metadata missing",
 	ErrorIndexMetaCorrupt:       "cannot open index, metadata corrupt",
-	ErrorUnknownStorageType:     "unknown storage type",
 	ErrorIndexClosed:            "index is closed",
 	ErrorAliasMulti:             "cannot perform single index operation on multiple index alias",
 	ErrorAliasEmpty:             "cannot perform operation on empty alias",

vendor/github.com/blevesearch/bleve/v2/geo/geo.go

@@ -18,7 +18,7 @@ import (
 	"fmt"
 	"math"
 
-	"github.com/blevesearch/bleve/numeric"
+	"github.com/blevesearch/bleve/v2/numeric"
 )
 
 // GeoBits is the number of bits used for a single geo point

vendor/github.com/blevesearch/bleve/v2/go.mod

@@ -1,18 +1,20 @@
-module github.com/blevesearch/bleve
+module github.com/blevesearch/bleve/v2
 
 go 1.13
 
 require (
 	github.com/RoaringBitmap/roaring v0.4.23
-	github.com/blevesearch/blevex v1.0.0
+	github.com/blevesearch/bleve_index_api v1.0.0
 	github.com/blevesearch/go-porterstemmer v1.0.3
+	github.com/blevesearch/scorch_segment_api v1.0.0
 	github.com/blevesearch/segment v0.9.0
 	github.com/blevesearch/snowballstem v0.9.0
-	github.com/blevesearch/zap/v11 v11.0.14
+	github.com/blevesearch/upsidedown_store_api v1.0.1
-	github.com/blevesearch/zap/v12 v12.0.14
+	github.com/blevesearch/zapx/v11 v11.1.10
-	github.com/blevesearch/zap/v13 v13.0.6
+	github.com/blevesearch/zapx/v12 v12.1.10
-	github.com/blevesearch/zap/v14 v14.0.5
+	github.com/blevesearch/zapx/v13 v13.1.10
-	github.com/blevesearch/zap/v15 v15.0.3
+	github.com/blevesearch/zapx/v14 v14.1.10
+	github.com/blevesearch/zapx/v15 v15.1.10
 	github.com/couchbase/moss v0.1.0
 	github.com/couchbase/vellum v1.0.2
 	github.com/golang/protobuf v1.3.2

vendor/github.com/blevesearch/bleve/v2/go.sum

@@ -0,0 +1,128 @@
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/RoaringBitmap/roaring v0.4.23 h1:gpyfd12QohbqhFO4NVDUdoPOCXsyahYRQhINmlHxKeo=
+github.com/RoaringBitmap/roaring v0.4.23/go.mod h1:D0gp8kJQgE1A4LQ5wFLggQEyvDi06Mq5mKs52e1TwOo=
+github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
+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/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 v1.0.0 h1:BUkCPWDg2gimTEyVDXf85I2buqqt4lh28uaVMiJsIYk=
+github.com/blevesearch/scorch_segment_api v1.0.0/go.mod h1:KgRYmlfYC27NeM6cXOHx8LBgq7jn0atpV8mVWoBKBng=
+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/zapx/v11 v11.1.10 h1:8Eo3rXiHsVSP9Sk+4StrrwLrj9vyulhMVPmxTf8ZuDg=
+github.com/blevesearch/zapx/v11 v11.1.10/go.mod h1:DTjbcBqrr/Uo82UBilDC8lEew42gN/OcIyiTNFtSijc=
+github.com/blevesearch/zapx/v12 v12.1.10 h1:sqR+/0Z4dSTovApRqLA1HnilMtQer7a4UvPrNmPzlTM=
+github.com/blevesearch/zapx/v12 v12.1.10/go.mod h1:14NmKnPrnKAIyiEJM566k/Jk+FQpuiflT5d3uaaK3MI=
+github.com/blevesearch/zapx/v13 v13.1.10 h1:zCneEVRJDXwtDfSwh+33Dxguliv192vCK283zdGH4Sw=
+github.com/blevesearch/zapx/v13 v13.1.10/go.mod h1:YsVY6YGpTEAlJOMjdL7EsdBLvjWd8kPa2gwJDNpqLJo=
+github.com/blevesearch/zapx/v14 v14.1.10 h1:nD0vw2jxKogJFfA5WyoS4wNwZlVby3Aq8aW7CZi6YIw=
+github.com/blevesearch/zapx/v14 v14.1.10/go.mod h1:hsULl5eJSxs5NEfBsmeT9qrqdCP+/ecpVZKt60M4V64=
+github.com/blevesearch/zapx/v15 v15.1.10 h1:kZR3b9jO9l6s2B5UHI+1N1llLzJ4nYikkXQTMrDl1vQ=
+github.com/blevesearch/zapx/v15 v15.1.10/go.mod h1:4ypq25bwtSQKzwEF1UERyIhmGTbMT3brY/n4NC5gRnM=
+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=
+github.com/couchbase/ghistogram v0.1.0 h1:b95QcQTCzjTUocDXp/uMgSNQi8oj1tGwnJ4bODWZnps=
+github.com/couchbase/ghistogram v0.1.0/go.mod h1:s1Jhy76zqfEecpNWJfWUiKZookAFaiGOEoyzgHt9i7k=
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vendor/github.com/blevesearch/bleve/v2/index.go

@@ -16,12 +16,12 @@ package bleve
 
 import (
 	"context"
+	"github.com/blevesearch/bleve/v2/index/upsidedown"
 
-	"github.com/blevesearch/bleve/document"
+	"github.com/blevesearch/bleve/v2/document"
-	"github.com/blevesearch/bleve/index"
+	"github.com/blevesearch/bleve/v2/mapping"
-	"github.com/blevesearch/bleve/index/store"
+	"github.com/blevesearch/bleve/v2/size"
-	"github.com/blevesearch/bleve/mapping"
+	index "github.com/blevesearch/bleve_index_api"
-	"github.com/blevesearch/bleve/size"
 )
 
 // A Batch groups together multiple Index and Delete
@@ -71,7 +71,7 @@ func (b *Batch) TotalDocsSize() uint64 {
 // batch which skips the mapping.  NOTE: the bleve Index is not updated
 // until the batch is executed.
 func (b *Batch) IndexAdvanced(doc *document.Document) (err error) {
-	if doc.ID == "" {
+	if doc.ID() == "" {
 		return ErrorEmptyID
 	}
 	b.internal.Update(doc)
@@ -216,7 +216,7 @@ type Index interface {
 
 	// Document returns specified document or nil if the document is not
 	// indexed or stored.
-	Document(id string) (*document.Document, error)
+	Document(id string) (index.Document, error)
 	// DocCount returns the number of documents in the index.
 	DocCount() (uint64, error)
 
@@ -245,9 +245,8 @@ type Index interface {
 	// SetName lets you assign your own logical name to this index
 	SetName(string)
 
-	// Advanced returns the indexer and data store, exposing lower level
+	// Advanced returns the internal index implementation
-	// methods to enumerate records and access data.
+	Advanced() (index.Index, error)
-	Advanced() (index.Index, store.KVStore, error)
 }
 
 // New index at the specified path, must not exist.
@@ -263,7 +262,7 @@ func New(path string, mapping mapping.IndexMapping) (Index, error) {
 // The provided mapping will be used for all
 // Index/Search operations.
 func NewMemOnly(mapping mapping.IndexMapping) (Index, error) {
-	return newIndexUsing("", mapping, Config.DefaultIndexType, Config.DefaultMemKVStore, nil)
+	return newIndexUsing("", mapping, upsidedown.Name, Config.DefaultMemKVStore, nil)
 }
 
 // NewUsing creates index at the specified path,

vendor/github.com/blevesearch/bleve/v2/index/scorch/builder.go

@@ -21,9 +21,8 @@ import (
 	"sync"
 
 	"github.com/RoaringBitmap/roaring"
-	"github.com/blevesearch/bleve/document"
+	index "github.com/blevesearch/bleve_index_api"
-	"github.com/blevesearch/bleve/index"
+	segment "github.com/blevesearch/scorch_segment_api"
-	"github.com/blevesearch/bleve/index/scorch/segment"
 	bolt "go.etcd.io/bbolt"
 )
 
@@ -40,7 +39,7 @@ type Builder struct {
 	mergeMax  int
 	batch     *index.Batch
 	internal  map[string][]byte
-	segPlugin segment.Plugin
+	segPlugin SegmentPlugin
 }
 
 func NewBuilder(config map[string]interface{}) (*Builder, error) {
@@ -117,7 +116,7 @@ func (o *Builder) parseConfig(config map[string]interface{}) (err error) {
 
 // Index will place the document into the index.
 // It is invalid to index the same document multiple times.
-func (o *Builder) Index(doc *document.Document) error {
+func (o *Builder) Index(doc index.Document) error {
 	o.m.Lock()
 	defer o.m.Unlock()
 
@@ -135,14 +134,14 @@ func (o *Builder) maybeFlushBatchLOCKED(moreThan int) error {
 }
 
 func (o *Builder) executeBatchLOCKED(batch *index.Batch) (err error) {
-	analysisResults := make([]*index.AnalysisResult, 0, len(batch.IndexOps))
+	analysisResults := make([]index.Document, 0, len(batch.IndexOps))
 	for _, doc := range batch.IndexOps {
 		if doc != nil {
 			// insert _id field
-			doc.AddField(document.NewTextFieldCustom("_id", nil, []byte(doc.ID), document.IndexField|document.StoreField, nil))
+			doc.AddIDField()
 			// perform analysis directly
-			analysisResult := analyze(doc)
+			analyze(doc)
-			analysisResults = append(analysisResults, analysisResult)
+			analysisResults = append(analysisResults, doc)
 		}
 	}
 

vendor/github.com/blevesearch/bleve/v2/index/scorch/empty.go

@@ -0,0 +1,33 @@
+//  Copyright (c) 2020 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 scorch
+
+import segment "github.com/blevesearch/scorch_segment_api"
+
+type emptyPostingsIterator struct{}
+
+func (e *emptyPostingsIterator) Next() (segment.Posting, error) {
+	return nil, nil
+}
+
+func (e *emptyPostingsIterator) Advance(uint64) (segment.Posting, error) {
+	return nil, nil
+}
+
+func (e *emptyPostingsIterator) Size() int {
+	return 0
+}
+
+var anEmptyPostingsIterator = &emptyPostingsIterator{}

vendor/github.com/blevesearch/bleve/v2/index/scorch/int.go

@@ -0,0 +1,92 @@
+// Copyright 2014 The Cockroach Authors.
+//
+// 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.
+
+// This code originated from:
+// https://github.com/cockroachdb/cockroach/blob/2dd65dde5d90c157f4b93f92502ca1063b904e1d/pkg/util/encoding/encoding.go
+
+// Modified to not use pkg/errors
+
+package scorch
+
+import "fmt"
+
+const (
+	// intMin is chosen such that the range of int tags does not overlap the
+	// ascii character set that is frequently used in testing.
+	intMin      = 0x80 // 128
+	intMaxWidth = 8
+	intZero     = intMin + intMaxWidth           // 136
+	intSmall    = intMax - intZero - intMaxWidth // 109
+	// intMax is the maximum int tag value.
+	intMax = 0xfd // 253
+)
+
+// encodeUvarintAscending encodes the uint64 value using a variable length
+// (length-prefixed) representation. The length is encoded as a single
+// byte indicating the number of encoded bytes (-8) to follow. See
+// EncodeVarintAscending for rationale. The encoded bytes are appended to the
+// supplied buffer and the final buffer is returned.
+func encodeUvarintAscending(b []byte, v uint64) []byte {
+	switch {
+	case v <= intSmall:
+		return append(b, intZero+byte(v))
+	case v <= 0xff:
+		return append(b, intMax-7, byte(v))
+	case v <= 0xffff:
+		return append(b, intMax-6, byte(v>>8), byte(v))
+	case v <= 0xffffff:
+		return append(b, intMax-5, byte(v>>16), byte(v>>8), byte(v))
+	case v <= 0xffffffff:
+		return append(b, intMax-4, byte(v>>24), byte(v>>16), byte(v>>8), byte(v))
+	case v <= 0xffffffffff:
+		return append(b, intMax-3, byte(v>>32), byte(v>>24), byte(v>>16), byte(v>>8),
+			byte(v))
+	case v <= 0xffffffffffff:
+		return append(b, intMax-2, byte(v>>40), byte(v>>32), byte(v>>24), byte(v>>16),
+			byte(v>>8), byte(v))
+	case v <= 0xffffffffffffff:
+		return append(b, intMax-1, byte(v>>48), byte(v>>40), byte(v>>32), byte(v>>24),
+			byte(v>>16), byte(v>>8), byte(v))
+	default:
+		return append(b, intMax, byte(v>>56), byte(v>>48), byte(v>>40), byte(v>>32),
+			byte(v>>24), byte(v>>16), byte(v>>8), byte(v))
+	}
+}
+
+// decodeUvarintAscending decodes a varint encoded uint64 from the input
+// buffer. The remainder of the input buffer and the decoded uint64
+// are returned.
+func decodeUvarintAscending(b []byte) ([]byte, uint64, error) {
+	if len(b) == 0 {
+		return nil, 0, fmt.Errorf("insufficient bytes to decode uvarint value")
+	}
+	length := int(b[0]) - intZero
+	b = b[1:] // skip length byte
+	if length <= intSmall {
+		return b, uint64(length), nil
+	}
+	length -= intSmall
+	if length < 0 || length > 8 {
+		return nil, 0, fmt.Errorf("invalid uvarint length of %d", length)
+	} else if len(b) < length {
+		return nil, 0, fmt.Errorf("insufficient bytes to decode uvarint value: %q", b)
+	}
+	var v uint64
+	// It is faster to range over the elements in a slice than to index
+	// into the slice on each loop iteration.
+	for _, t := range b[:length] {
+		v = (v << 8) | uint64(t)
+	}
+	return b[length:], v, nil
+}

vendor/github.com/blevesearch/bleve/v2/index/scorch/introducer.go

@@ -19,8 +19,8 @@ import (
 	"sync/atomic"
 
 	"github.com/RoaringBitmap/roaring"
-	"github.com/blevesearch/bleve/index"
+	index "github.com/blevesearch/bleve_index_api"
-	"github.com/blevesearch/bleve/index/scorch/segment"
+	segment "github.com/blevesearch/scorch_segment_api"
 )
 
 type segmentIntroduction struct {

vendor/github.com/blevesearch/bleve/v2/index/scorch/merge.go

@@ -24,8 +24,8 @@ import (
 	"time"
 
 	"github.com/RoaringBitmap/roaring"
-	"github.com/blevesearch/bleve/index/scorch/mergeplan"
+	"github.com/blevesearch/bleve/v2/index/scorch/mergeplan"
-	"github.com/blevesearch/bleve/index/scorch/segment"
+	segment "github.com/blevesearch/scorch_segment_api"
 )
 
 func (s *Scorch) mergerLoop() {

vendor/github.com/blevesearch/bleve/v2/index/scorch/optimize.go

@@ -17,8 +17,8 @@ package scorch
 import (
 	"fmt"
 	"github.com/RoaringBitmap/roaring"
-	"github.com/blevesearch/bleve/index"
+	index "github.com/blevesearch/bleve_index_api"
-	"github.com/blevesearch/bleve/index/scorch/segment"
+	segment "github.com/blevesearch/scorch_segment_api"
 	"sync/atomic"
 )
 
@@ -174,9 +174,9 @@ OUTER:
 		var docNum1HitLastOk bool
 
 		for _, tfr := range o.tfrs {
-			if _, ok := tfr.iterators[i].(*segment.EmptyPostingsIterator); ok {
+			if _, ok := tfr.iterators[i].(*emptyPostingsIterator); ok {
 				// An empty postings iterator means the entire AND is empty.
-				oTFR.iterators[i] = segment.AnEmptyPostingsIterator
+				oTFR.iterators[i] = anEmptyPostingsIterator
 				continue OUTER
 			}
 
@@ -193,7 +193,7 @@ OUTER:
 				if docNum1HitLastOk && docNum1HitLast != docNum1Hit {
 					// The docNum1Hit doesn't match the previous
 					// docNum1HitLast, so the entire AND is empty.
-					oTFR.iterators[i] = segment.AnEmptyPostingsIterator
+					oTFR.iterators[i] = anEmptyPostingsIterator
 					continue OUTER
 				}
 
@@ -205,7 +205,7 @@ OUTER:
 
 			if itr.ActualBitmap() == nil {
 				// An empty actual bitmap means the entire AND is empty.
-				oTFR.iterators[i] = segment.AnEmptyPostingsIterator
+				oTFR.iterators[i] = anEmptyPostingsIterator
 				continue OUTER
 			}
 
@@ -221,14 +221,14 @@ OUTER:
 				if !bm.Contains(uint32(docNum1HitLast)) {
 					// The docNum1Hit isn't in one of our actual
 					// bitmaps, so the entire AND is empty.
-					oTFR.iterators[i] = segment.AnEmptyPostingsIterator
+					oTFR.iterators[i] = anEmptyPostingsIterator
 					continue OUTER
 				}
 			}
 
 			// The actual bitmaps and docNum1Hits all contain or have
 			// the same 1-hit docNum, so that's our AND'ed result.
-			oTFR.iterators[i] = segment.NewUnadornedPostingsIteratorFrom1Hit(docNum1HitLast)
+			oTFR.iterators[i] = newUnadornedPostingsIteratorFrom1Hit(docNum1HitLast)
 
 			continue OUTER
 		}
@@ -236,13 +236,13 @@ OUTER:
 		if len(actualBMs) == 0 {
 			// If we've collected no actual bitmaps at this point,
 			// then the entire AND is empty.
-			oTFR.iterators[i] = segment.AnEmptyPostingsIterator
+			oTFR.iterators[i] = anEmptyPostingsIterator
 			continue OUTER
 		}
 
 		if len(actualBMs) == 1 {
 			// If we've only 1 actual bitmap, then that's our result.
-			oTFR.iterators[i] = segment.NewUnadornedPostingsIteratorFromBitmap(actualBMs[0])
+			oTFR.iterators[i] = newUnadornedPostingsIteratorFromBitmap(actualBMs[0])
 
 			continue OUTER
 		}
@@ -254,7 +254,7 @@ OUTER:
 			bm.And(actualBM)
 		}
 
-		oTFR.iterators[i] = segment.NewUnadornedPostingsIteratorFromBitmap(bm)
+		oTFR.iterators[i] = newUnadornedPostingsIteratorFromBitmap(bm)
 	}
 
 	atomic.AddUint64(&o.snapshot.parent.stats.TotTermSearchersStarted, uint64(1))
@@ -369,7 +369,7 @@ func (o *OptimizeTFRDisjunctionUnadorned) Finish() (rv index.Optimized, err erro
 
 		bm.AddMany(docNums)
 
-		oTFR.iterators[i] = segment.NewUnadornedPostingsIteratorFromBitmap(bm)
+		oTFR.iterators[i] = newUnadornedPostingsIteratorFromBitmap(bm)
 	}
 
 	atomic.AddUint64(&o.snapshot.parent.stats.TotTermSearchersStarted, uint64(1))

vendor/github.com/blevesearch/bleve/v2/index/scorch/persister.go

@@ -30,8 +30,8 @@ import (
 	"time"
 
 	"github.com/RoaringBitmap/roaring"
-	"github.com/blevesearch/bleve/index"
+	index "github.com/blevesearch/bleve_index_api"
-	"github.com/blevesearch/bleve/index/scorch/segment"
+	segment "github.com/blevesearch/scorch_segment_api"
 	bolt "go.etcd.io/bbolt"
 )
 
@@ -429,12 +429,12 @@ func (s *Scorch) persistSnapshotMaybeMerge(snapshot *IndexSnapshot) (
 }
 
 func prepareBoltSnapshot(snapshot *IndexSnapshot, tx *bolt.Tx, path string,
-	segPlugin segment.Plugin) ([]string, map[uint64]string, error) {
+	segPlugin SegmentPlugin) ([]string, map[uint64]string, error) {
 	snapshotsBucket, err := tx.CreateBucketIfNotExists(boltSnapshotsBucket)
 	if err != nil {
 		return nil, nil, err
 	}
-	newSnapshotKey := segment.EncodeUvarintAscending(nil, snapshot.epoch)
+	newSnapshotKey := encodeUvarintAscending(nil, snapshot.epoch)
 	snapshotBucket, err := snapshotsBucket.CreateBucketIfNotExists(newSnapshotKey)
 	if err != nil {
 		return nil, nil, err
@@ -474,7 +474,7 @@ func prepareBoltSnapshot(snapshot *IndexSnapshot, tx *bolt.Tx, path string,
 
 	// first ensure that each segment in this snapshot has been persisted
 	for _, segmentSnapshot := range snapshot.segment {
-		snapshotSegmentKey := segment.EncodeUvarintAscending(nil, segmentSnapshot.id)
+		snapshotSegmentKey := encodeUvarintAscending(nil, segmentSnapshot.id)
 		snapshotSegmentBucket, err := snapshotBucket.CreateBucketIfNotExists(snapshotSegmentKey)
 		if err != nil {
 			return nil, nil, err
@@ -628,7 +628,7 @@ func (s *Scorch) loadFromBolt() error {
 		foundRoot := false
 		c := snapshots.Cursor()
 		for k, _ := c.Last(); k != nil; k, _ = c.Prev() {
-			_, snapshotEpoch, err := segment.DecodeUvarintAscending(k)
+			_, snapshotEpoch, err := decodeUvarintAscending(k)
 			if err != nil {
 				log.Printf("unable to parse segment epoch %x, continuing", k)
 				continue
@@ -680,7 +680,7 @@ func (s *Scorch) LoadSnapshot(epoch uint64) (rv *IndexSnapshot, err error) {
 		if snapshots == nil {
 			return nil
 		}
-		snapshotKey := segment.EncodeUvarintAscending(nil, epoch)
+		snapshotKey := encodeUvarintAscending(nil, epoch)
 		snapshot := snapshots.Bucket(snapshotKey)
 		if snapshot == nil {
 			return fmt.Errorf("snapshot with epoch: %v - doesn't exist", epoch)
@@ -744,7 +744,7 @@ func (s *Scorch) loadSnapshot(snapshot *bolt.Bucket) (*IndexSnapshot, error) {
 				_ = rv.DecRef()
 				return nil, fmt.Errorf("failed to load segment: %v", err)
 			}
-			_, segmentSnapshot.id, err = segment.DecodeUvarintAscending(k)
+			_, segmentSnapshot.id, err = decodeUvarintAscending(k)
 			if err != nil {
 				_ = rv.DecRef()
 				return nil, fmt.Errorf("failed to decode segment id: %v", err)
@@ -865,7 +865,7 @@ func (s *Scorch) removeOldBoltSnapshots() (numRemoved int, err error) {
 	}
 
 	for _, epochToRemove := range epochsToRemove {
-		k := segment.EncodeUvarintAscending(nil, epochToRemove)
+		k := encodeUvarintAscending(nil, epochToRemove)
 		err = snapshots.DeleteBucket(k)
 		if err == bolt.ErrBucketNotFound {
 			err = nil
@@ -941,7 +941,7 @@ func (s *Scorch) RootBoltSnapshotEpochs() ([]uint64, error) {
 		}
 		sc := snapshots.Cursor()
 		for sk, _ := sc.Last(); sk != nil; sk, _ = sc.Prev() {
-			_, snapshotEpoch, err := segment.DecodeUvarintAscending(sk)
+			_, snapshotEpoch, err := decodeUvarintAscending(sk)
 			if err != nil {
 				continue
 			}

vendor/github.com/blevesearch/bleve/v2/index/scorch/regexp.go

@@ -1,4 +1,4 @@
-//  Copyright (c) 2018 Couchbase, Inc.
+//  Copyright (c) 2020 Couchbase, Inc.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package segment
+package scorch
 
 import (
 	"regexp/syntax"
@@ -20,7 +20,7 @@ import (
 	"github.com/couchbase/vellum/regexp"
 )
 
-func ParseRegexp(pattern string) (a *regexp.Regexp, prefixBeg, prefixEnd []byte, err error) {
+func parseRegexp(pattern string) (a *regexp.Regexp, prefixBeg, prefixEnd []byte, err error) {
 	// TODO: potential optimization where syntax.Regexp supports a Simplify() API?
 
 	parsed, err := syntax.Parse(pattern, syntax.Perl)
@@ -33,10 +33,10 @@ func ParseRegexp(pattern string) (a *regexp.Regexp, prefixBeg, prefixEnd []byte,
 		return nil, nil, nil, err
 	}
 
-	prefix := LiteralPrefix(parsed)
+	prefix := literalPrefix(parsed)
 	if prefix != "" {
 		prefixBeg := []byte(prefix)
-		prefixEnd := IncrementBytes(prefixBeg)
+		prefixEnd := calculateExclusiveEndFromPrefix(prefixBeg)
 		return re, prefixBeg, prefixEnd, nil
 	}
 
@@ -44,7 +44,7 @@ func ParseRegexp(pattern string) (a *regexp.Regexp, prefixBeg, prefixEnd []byte,
 }
 
 // Returns the literal prefix given the parse tree for a regexp
-func LiteralPrefix(s *syntax.Regexp) string {
+func literalPrefix(s *syntax.Regexp) string {
 	// traverse the left-most branch in the parse tree as long as the
 	// node represents a concatenation
 	for s != nil && s.Op == syntax.OpConcat {
@@ -61,15 +61,3 @@ func LiteralPrefix(s *syntax.Regexp) string {
 
 	return "" // no literal prefix
 }
-
-func IncrementBytes(in []byte) []byte {
-	rv := make([]byte, len(in))
-	copy(rv, in)
-	for i := len(rv) - 1; i >= 0; i-- {
-		rv[i] = rv[i] + 1
-		if rv[i] != 0 {
-			return rv // didn't overflow, so stop
-		}
-	}
-	return nil // overflowed
-}

vendor/github.com/blevesearch/bleve/v2/index/scorch/rollback.go

@@ -19,7 +19,6 @@ import (
 	"log"
 	"os"
 
-	"github.com/blevesearch/bleve/index/scorch/segment"
 	bolt "go.etcd.io/bbolt"
 )
 
@@ -71,7 +70,7 @@ func RollbackPoints(path string) ([]*RollbackPoint, error) {
 
 	c1 := snapshots.Cursor()
 	for k, _ := c1.Last(); k != nil; k, _ = c1.Prev() {
-		_, snapshotEpoch, err := segment.DecodeUvarintAscending(k)
+		_, snapshotEpoch, err := decodeUvarintAscending(k)
 		if err != nil {
 			log.Printf("RollbackPoints:"+
 				" unable to parse segment epoch %x, continuing", k)
@@ -154,7 +153,7 @@ func Rollback(path string, to *RollbackPoint) error {
 		}
 		sc := snapshots.Cursor()
 		for sk, _ := sc.Last(); sk != nil && !found; sk, _ = sc.Prev() {
-			_, snapshotEpoch, err := segment.DecodeUvarintAscending(sk)
+			_, snapshotEpoch, err := decodeUvarintAscending(sk)
 			if err != nil {
 				continue
 			}
@@ -195,7 +194,7 @@ func Rollback(path string, to *RollbackPoint) error {
 		return nil
 	}
 	for _, epoch := range eligibleEpochs {
-		k := segment.EncodeUvarintAscending(nil, epoch)
+		k := encodeUvarintAscending(nil, epoch)
 		if err != nil {
 			continue
 		}

vendor/github.com/blevesearch/bleve/v2/index/scorch/scorch.go

@@ -24,12 +24,9 @@ import (
 	"time"
 
 	"github.com/RoaringBitmap/roaring"
-	"github.com/blevesearch/bleve/analysis"
+	"github.com/blevesearch/bleve/v2/registry"
-	"github.com/blevesearch/bleve/document"
+	index "github.com/blevesearch/bleve_index_api"
-	"github.com/blevesearch/bleve/index"
+	segment "github.com/blevesearch/scorch_segment_api"
-	"github.com/blevesearch/bleve/index/scorch/segment"
-	"github.com/blevesearch/bleve/index/store"
-	"github.com/blevesearch/bleve/registry"
 	bolt "go.etcd.io/bbolt"
 )
 
@@ -75,7 +72,7 @@ type Scorch struct {
 
 	forceMergeRequestCh chan *mergerCtrl
 
-	segPlugin segment.Plugin
+	segPlugin SegmentPlugin
 }
 
 type internalStats struct {
@@ -293,7 +290,7 @@ func (s *Scorch) Close() (err error) {
 	return
 }
 
-func (s *Scorch) Update(doc *document.Document) error {
+func (s *Scorch) Update(doc index.Document) error {
 	b := index.NewBatch()
 	b.Update(doc)
 	return s.Batch(b)
@@ -313,7 +310,7 @@ func (s *Scorch) Batch(batch *index.Batch) (err error) {
 		s.fireEvent(EventKindBatchIntroduction, time.Since(start))
 	}()
 
-	resultChan := make(chan *index.AnalysisResult, len(batch.IndexOps))
+	resultChan := make(chan index.Document, len(batch.IndexOps))
 
 	var numUpdates uint64
 	var numDeletes uint64
@@ -322,7 +319,7 @@ func (s *Scorch) Batch(batch *index.Batch) (err error) {
 	for docID, doc := range batch.IndexOps {
 		if doc != nil {
 			// insert _id field
-			doc.AddField(document.NewTextFieldCustom("_id", nil, []byte(doc.ID), document.IndexField|document.StoreField, nil))
+			doc.AddIDField()
 			numUpdates++
 			numPlainTextBytes += doc.NumPlainTextBytes()
 		} else {
@@ -335,18 +332,21 @@ func (s *Scorch) Batch(batch *index.Batch) (err error) {
 
 	if numUpdates > 0 {
 		go func() {
-			for _, doc := range batch.IndexOps {
+			for k := range batch.IndexOps {
+				doc := batch.IndexOps[k]
 				if doc != nil {
-					aw := index.NewAnalysisWork(s, doc, resultChan)
 					// put the work on the queue
-					s.analysisQueue.Queue(aw)
+					s.analysisQueue.Queue(func() {
+						analyze(doc)
+						resultChan <- doc
+					})
 				}
 			}
 		}()
 	}
 
 	// wait for analysis result
-	analysisResults := make([]*index.AnalysisResult, int(numUpdates))
+	analysisResults := make([]index.Document, int(numUpdates))
 	var itemsDeQueued uint64
 	var totalAnalysisSize int
 	for itemsDeQueued < numUpdates {
@@ -566,37 +566,23 @@ func (s *Scorch) StatsMap() map[string]interface{} {
 	return m
 }
 
-func (s *Scorch) Analyze(d *document.Document) *index.AnalysisResult {
+func (s *Scorch) Analyze(d index.Document) {
-	return analyze(d)
+	analyze(d)
 }
 
-func analyze(d *document.Document) *index.AnalysisResult {
+func analyze(d index.Document) {
-	rv := &index.AnalysisResult{
+	d.VisitFields(func(field index.Field) {
-		Document: d,
-		Analyzed: make([]analysis.TokenFrequencies, len(d.Fields)+len(d.CompositeFields)),
-		Length:   make([]int, len(d.Fields)+len(d.CompositeFields)),
-	}
-
-	for i, field := range d.Fields {
 		if field.Options().IsIndexed() {
-			fieldLength, tokenFreqs := field.Analyze()
+			field.Analyze()
-			rv.Analyzed[i] = tokenFreqs
-			rv.Length[i] = fieldLength
 
-			if len(d.CompositeFields) > 0 && field.Name() != "_id" {
+			if d.HasComposite() && field.Name() != "_id" {
 				// see if any of the composite fields need this
-				for _, compositeField := range d.CompositeFields {
+				d.VisitComposite(func(cf index.CompositeField) {
-					compositeField.Compose(field.Name(), fieldLength, tokenFreqs)
+					cf.Compose(field.Name(), field.AnalyzedLength(), field.AnalyzedTokenFrequencies())
+				})
 			}
 		}
-		}
+	})
-	}
-
-	return rv
-}
-
-func (s *Scorch) Advanced() (store.KVStore, error) {
-	return nil, nil
 }
 
 func (s *Scorch) AddEligibleForRemoval(epoch uint64) {

vendor/github.com/blevesearch/bleve/v2/index/scorch/segment_plugin.go

@@ -0,0 +1,133 @@
+//  Copyright (c) 2019 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 scorch
+
+import (
+	"fmt"
+	"github.com/RoaringBitmap/roaring"
+	index "github.com/blevesearch/bleve_index_api"
+
+	segment "github.com/blevesearch/scorch_segment_api"
+
+	zapv11 "github.com/blevesearch/zapx/v11"
+	zapv12 "github.com/blevesearch/zapx/v12"
+	zapv13 "github.com/blevesearch/zapx/v13"
+	zapv14 "github.com/blevesearch/zapx/v14"
+	zapv15 "github.com/blevesearch/zapx/v15"
+)
+
+// SegmentPlugin represents the essential functions required by a package to plug in
+// it's segment implementation
+type SegmentPlugin interface {
+
+	// Type is the name for this segment plugin
+	Type() string
+
+	// Version is a numeric value identifying a specific version of this type.
+	// When incompatible changes are made to a particular type of plugin, the
+	// version must be incremented.
+	Version() uint32
+
+	// New takes a set of Documents and turns them into a new Segment
+	New(results []index.Document) (segment.Segment, uint64, error)
+
+	// Open attempts to open the file at the specified path and
+	// return the corresponding Segment
+	Open(path string) (segment.Segment, error)
+
+	// Merge takes a set of Segments, and creates a new segment on disk at
+	// the specified path.
+	// Drops is a set of bitmaps (one for each segment) indicating which
+	// documents can be dropped from the segments during the merge.
+	// If the closeCh channel is closed, Merge will cease doing work at
+	// the next opportunity, and return an error (closed).
+	// StatsReporter can optionally be provided, in which case progress
+	// made during the merge is reported while operation continues.
+	// Returns:
+	// A slice of new document numbers (one for each input segment),
+	// this allows the caller to know a particular document's new
+	// document number in the newly merged segment.
+	// The number of bytes written to the new segment file.
+	// An error, if any occurred.
+	Merge(segments []segment.Segment, drops []*roaring.Bitmap, path string,
+		closeCh chan struct{}, s segment.StatsReporter) (
+		[][]uint64, uint64, error)
+}
+
+var supportedSegmentPlugins map[string]map[uint32]SegmentPlugin
+var defaultSegmentPlugin SegmentPlugin
+
+func init() {
+	ResetSegmentPlugins()
+	RegisterSegmentPlugin(&zapv15.ZapPlugin{}, true)
+	RegisterSegmentPlugin(&zapv14.ZapPlugin{}, false)
+	RegisterSegmentPlugin(&zapv13.ZapPlugin{}, false)
+	RegisterSegmentPlugin(&zapv12.ZapPlugin{}, false)
+	RegisterSegmentPlugin(&zapv11.ZapPlugin{}, false)
+}
+
+func ResetSegmentPlugins() {
+	supportedSegmentPlugins = map[string]map[uint32]SegmentPlugin{}
+}
+
+func RegisterSegmentPlugin(plugin SegmentPlugin, makeDefault bool) {
+	if _, ok := supportedSegmentPlugins[plugin.Type()]; !ok {
+		supportedSegmentPlugins[plugin.Type()] = map[uint32]SegmentPlugin{}
+	}
+	supportedSegmentPlugins[plugin.Type()][plugin.Version()] = plugin
+	if makeDefault {
+		defaultSegmentPlugin = plugin
+	}
+}
+
+func SupportedSegmentTypes() (rv []string) {
+	for k := range supportedSegmentPlugins {
+		rv = append(rv, k)
+	}
+	return
+}
+
+func SupportedSegmentTypeVersions(typ string) (rv []uint32) {
+	for k := range supportedSegmentPlugins[typ] {
+		rv = append(rv, k)
+	}
+	return rv
+}
+
+func chooseSegmentPlugin(forcedSegmentType string,
+	forcedSegmentVersion uint32) (SegmentPlugin, error) {
+	if versions, ok := supportedSegmentPlugins[forcedSegmentType]; ok {
+		if segPlugin, ok := versions[uint32(forcedSegmentVersion)]; ok {
+			return segPlugin, nil
+		}
+		return nil, fmt.Errorf(
+			"unsupported version %d for segment type: %s, supported: %v",
+			forcedSegmentVersion, forcedSegmentType,
+			SupportedSegmentTypeVersions(forcedSegmentType))
+	}
+	return nil, fmt.Errorf("unsupported segment type: %s, supported: %v",
+		forcedSegmentType, SupportedSegmentTypes())
+}
+
+func (s *Scorch) loadSegmentPlugin(forcedSegmentType string,
+	forcedSegmentVersion uint32) error {
+	segPlugin, err := chooseSegmentPlugin(forcedSegmentType,
+		forcedSegmentVersion)
+	if err != nil {
+		return err
+	}
+	s.segPlugin = segPlugin
+	return nil
+}

vendor/github.com/blevesearch/bleve/v2/index/scorch/snapshot_index.go

@@ -24,9 +24,9 @@ import (
 	"sync/atomic"
 
 	"github.com/RoaringBitmap/roaring"
-	"github.com/blevesearch/bleve/document"
+	"github.com/blevesearch/bleve/v2/document"
-	"github.com/blevesearch/bleve/index"
+	index "github.com/blevesearch/bleve_index_api"
-	"github.com/blevesearch/bleve/index/scorch/segment"
+	segment "github.com/blevesearch/scorch_segment_api"
 	"github.com/couchbase/vellum"
 	lev "github.com/couchbase/vellum/levenshtein"
 )
@@ -190,21 +190,62 @@ func (i *IndexSnapshot) newIndexSnapshotFieldDict(field string,
 
 func (i *IndexSnapshot) FieldDict(field string) (index.FieldDict, error) {
 	return i.newIndexSnapshotFieldDict(field, func(i segment.TermDictionary) segment.DictionaryIterator {
-		return i.Iterator()
+		return i.AutomatonIterator(nil, nil, nil)
 	}, false)
 }
 
+// calculateExclusiveEndFromInclusiveEnd produces the next key
+// when sorting using memcmp style comparisons, suitable to
+// use as the end key in a traditional (inclusive, exclusive]
+// start/end range
+func calculateExclusiveEndFromInclusiveEnd(inclusiveEnd []byte) []byte {
+	rv := inclusiveEnd
+	if len(inclusiveEnd) > 0 {
+		rv = make([]byte, len(inclusiveEnd))
+		copy(rv, inclusiveEnd)
+		if rv[len(rv)-1] < 0xff {
+			// last byte can be incremented by one
+			rv[len(rv)-1]++
+		} else {
+			// last byte is already 0xff, so append 0
+			// next key is simply one byte longer
+			rv = append(rv, 0x0)
+		}
+	}
+	return rv
+}
+
 func (i *IndexSnapshot) FieldDictRange(field string, startTerm []byte,
 	endTerm []byte) (index.FieldDict, error) {
 	return i.newIndexSnapshotFieldDict(field, func(i segment.TermDictionary) segment.DictionaryIterator {
-		return i.RangeIterator(string(startTerm), string(endTerm))
+		endTermExclusive := calculateExclusiveEndFromInclusiveEnd(endTerm)
+		return i.AutomatonIterator(nil, startTerm, endTermExclusive)
 	}, false)
 }
 
+// calculateExclusiveEndFromPrefix produces the first key that
+// does not have the same prefix as the input bytes, suitable
+// to use as the end key in a traditional (inclusive, exclusive]
+// start/end range
+func calculateExclusiveEndFromPrefix(in []byte) []byte {
+	rv := make([]byte, len(in))
+	copy(rv, in)
+	for i := len(rv) - 1; i >= 0; i-- {
+		rv[i] = rv[i] + 1
+		if rv[i] != 0 {
+			return rv // didn't overflow, so stop
+		}
+	}
+	// all bytes were 0xff, so return nil
+	// as there is no end key for this prefix
+	return nil
+}
+
 func (i *IndexSnapshot) FieldDictPrefix(field string,
 	termPrefix []byte) (index.FieldDict, error) {
+	termPrefixEnd := calculateExclusiveEndFromPrefix(termPrefix)
 	return i.newIndexSnapshotFieldDict(field, func(i segment.TermDictionary) segment.DictionaryIterator {
-		return i.PrefixIterator(string(termPrefix))
+		return i.AutomatonIterator(nil, termPrefix, termPrefixEnd)
 	}, false)
 }
 
@@ -213,7 +254,7 @@ func (i *IndexSnapshot) FieldDictRegexp(field string,
 	// TODO: potential optimization where the literal prefix represents the,
 	//       entire regexp, allowing us to use PrefixIterator(prefixTerm)?
 
-	a, prefixBeg, prefixEnd, err := segment.ParseRegexp(termRegex)
+	a, prefixBeg, prefixEnd, err := parseRegexp(termRegex)
 	if err != nil {
 		return nil, err
 	}
@@ -243,7 +284,7 @@ func (i *IndexSnapshot) FieldDictFuzzy(field string,
 	var prefixBeg, prefixEnd []byte
 	if prefix != "" {
 		prefixBeg = []byte(prefix)
-		prefixEnd = segment.IncrementBytes(prefixBeg)
+		prefixEnd = calculateExclusiveEndFromPrefix(prefixBeg)
 	}
 
 	return i.newIndexSnapshotFieldDict(field, func(i segment.TermDictionary) segment.DictionaryIterator {
@@ -251,13 +292,6 @@ func (i *IndexSnapshot) FieldDictFuzzy(field string,
 	}, false)
 }
 
-func (i *IndexSnapshot) FieldDictOnly(field string,
-	onlyTerms [][]byte, includeCount bool) (index.FieldDict, error) {
-	return i.newIndexSnapshotFieldDict(field, func(i segment.TermDictionary) segment.DictionaryIterator {
-		return i.OnlyIterator(onlyTerms, includeCount)
-	}, false)
-}
-
 func (i *IndexSnapshot) FieldDictContains(field string) (index.FieldDictContains, error) {
 	return i.newIndexSnapshotFieldDict(field, nil, true)
 }
@@ -349,7 +383,7 @@ func (i *IndexSnapshot) DocCount() (uint64, error) {
 	return rv, nil
 }
 
-func (i *IndexSnapshot) Document(id string) (rv *document.Document, err error) {
+func (i *IndexSnapshot) Document(id string) (rv index.Document, err error) {
 	// FIXME could be done more efficiently directly, but reusing for simplicity
 	tfr, err := i.TermFieldReader([]byte(id), "_id", false, false, false)
 	if err != nil {
@@ -377,7 +411,7 @@ func (i *IndexSnapshot) Document(id string) (rv *document.Document, err error) {
 	}
 	segmentIndex, localDocNum := i.segmentIndexAndLocalDocNumFromGlobal(docNum)
 
-	rv = document.NewDocument(id)
+	rvd := document.NewDocument(id)
 	err = i.segment[segmentIndex].VisitDocument(localDocNum, func(name string, typ byte, val []byte, pos []uint64) bool {
 		if name == "_id" {
 			return true
@@ -389,15 +423,15 @@ func (i *IndexSnapshot) Document(id string) (rv *document.Document, err error) {
 
 		switch typ {
 		case 't':
-			rv.AddField(document.NewTextField(name, arrayPos, value))
+			rvd.AddField(document.NewTextField(name, arrayPos, value))
 		case 'n':
-			rv.AddField(document.NewNumericFieldFromBytes(name, arrayPos, value))
+			rvd.AddField(document.NewNumericFieldFromBytes(name, arrayPos, value))
 		case 'd':
-			rv.AddField(document.NewDateTimeFieldFromBytes(name, arrayPos, value))
+			rvd.AddField(document.NewDateTimeFieldFromBytes(name, arrayPos, value))
 		case 'b':
-			rv.AddField(document.NewBooleanFieldFromBytes(name, arrayPos, value))
+			rvd.AddField(document.NewBooleanFieldFromBytes(name, arrayPos, value))
 		case 'g':
-			rv.AddField(document.NewGeoPointFieldFromBytes(name, arrayPos, value))
+			rvd.AddField(document.NewGeoPointFieldFromBytes(name, arrayPos, value))
 		}
 
 		return true
@@ -406,7 +440,7 @@ func (i *IndexSnapshot) Document(id string) (rv *document.Document, err error) {
 		return nil, err
 	}
 
-	return rv, nil
+	return rvd, nil
 }
 
 func (i *IndexSnapshot) segmentIndexAndLocalDocNumFromGlobal(docNum uint64) (int, uint64) {
@@ -563,40 +597,15 @@ func docInternalToNumber(in index.IndexInternalID) (uint64, error) {
 	return binary.BigEndian.Uint64(in), nil
 }
 
-func (i *IndexSnapshot) DocumentVisitFieldTerms(id index.IndexInternalID,
-	fields []string, visitor index.DocumentFieldTermVisitor) error {
-	_, err := i.documentVisitFieldTerms(id, fields, visitor, nil)
-	return err
-}
-
-func (i *IndexSnapshot) documentVisitFieldTerms(id index.IndexInternalID,
-	fields []string, visitor index.DocumentFieldTermVisitor,
-	dvs segment.DocVisitState) (segment.DocVisitState, error) {
-	docNum, err := docInternalToNumber(id)
-	if err != nil {
-		return nil, err
-	}
-
-	segmentIndex, localDocNum := i.segmentIndexAndLocalDocNumFromGlobal(docNum)
-	if segmentIndex >= len(i.segment) {
-		return nil, nil
-	}
-
-	_, dvs, err = i.documentVisitFieldTermsOnSegment(
-		segmentIndex, localDocNum, fields, nil, visitor, dvs)
-
-	return dvs, err
-}
-
 func (i *IndexSnapshot) documentVisitFieldTermsOnSegment(
 	segmentIndex int, localDocNum uint64, fields []string, cFields []string,
-	visitor index.DocumentFieldTermVisitor, dvs segment.DocVisitState) (
+	visitor index.DocValueVisitor, dvs segment.DocVisitState) (
 	cFieldsOut []string, dvsOut segment.DocVisitState, err error) {
 	ss := i.segment[segmentIndex]
 
 	var vFields []string // fields that are visitable via the segment
 
-	ssv, ssvOk := ss.segment.(segment.DocumentFieldTermVisitable)
+	ssv, ssvOk := ss.segment.(segment.DocValueVisitable)
 	if ssvOk && ssv != nil {
 		vFields, err = ssv.VisitableDocValueFields()
 		if err != nil {
@@ -627,7 +636,7 @@ func (i *IndexSnapshot) documentVisitFieldTermsOnSegment(
 	}
 
 	if ssvOk && ssv != nil && len(vFields) > 0 {
-		dvs, err = ssv.VisitDocumentFieldTerms(localDocNum, fields, visitor, dvs)
+		dvs, err = ssv.VisitDocValues(localDocNum, fields, visitor, dvs)
 		if err != nil {
 			return nil, nil, err
 		}
@@ -662,7 +671,7 @@ type DocValueReader struct {
 }
 
 func (dvr *DocValueReader) VisitDocValues(id index.IndexInternalID,
-	visitor index.DocumentFieldTermVisitor) (err error) {
+	visitor index.DocValueVisitor) (err error) {
 	docNum, err := docInternalToNumber(id)
 	if err != nil {
 		return err

vendor/github.com/blevesearch/bleve/v2/index/scorch/snapshot_index_dict.go

@@ -17,8 +17,8 @@ package scorch
 import (
 	"container/heap"
 
-	"github.com/blevesearch/bleve/index"
+	index "github.com/blevesearch/bleve_index_api"
-	"github.com/blevesearch/bleve/index/scorch/segment"
+	segment "github.com/blevesearch/scorch_segment_api"
 )
 
 type segmentDictCursor struct {

vendor/github.com/blevesearch/bleve/v2/index/scorch/snapshot_index_doc.go

@@ -19,8 +19,8 @@ import (
 	"reflect"
 
 	"github.com/RoaringBitmap/roaring"
-	"github.com/blevesearch/bleve/index"
+	"github.com/blevesearch/bleve/v2/size"
-	"github.com/blevesearch/bleve/size"
+	index "github.com/blevesearch/bleve_index_api"
 )
 
 var reflectStaticSizeIndexSnapshotDocIDReader int

vendor/github.com/blevesearch/bleve/v2/index/scorch/snapshot_index_tfr.go

@@ -20,9 +20,9 @@ import (
 	"reflect"
 	"sync/atomic"
 
-	"github.com/blevesearch/bleve/index"
+	"github.com/blevesearch/bleve/v2/size"
-	"github.com/blevesearch/bleve/index/scorch/segment"
+	index "github.com/blevesearch/bleve_index_api"
-	"github.com/blevesearch/bleve/size"
+	segment "github.com/blevesearch/scorch_segment_api"
 )
 
 var reflectStaticSizeIndexSnapshotTermFieldReader int

vendor/github.com/blevesearch/bleve/v2/index/scorch/snapshot_segment.go

@@ -20,9 +20,9 @@ import (
 	"sync/atomic"
 
 	"github.com/RoaringBitmap/roaring"
-	"github.com/blevesearch/bleve/index"
+	"github.com/blevesearch/bleve/v2/size"
-	"github.com/blevesearch/bleve/index/scorch/segment"
+	index "github.com/blevesearch/bleve_index_api"
-	"github.com/blevesearch/bleve/size"
+	segment "github.com/blevesearch/scorch_segment_api"
 )
 
 var TermSeparator byte = 0xff
@@ -62,8 +62,8 @@ func (s *SegmentSnapshot) Close() error {
 	return s.segment.Close()
 }
 
-func (s *SegmentSnapshot) VisitDocument(num uint64, visitor segment.DocumentFieldValueVisitor) error {
+func (s *SegmentSnapshot) VisitDocument(num uint64, visitor segment.StoredFieldValueVisitor) error {
-	return s.segment.VisitDocument(num, visitor)
+	return s.segment.VisitStoredFields(num, visitor)
 }
 
 func (s *SegmentSnapshot) DocID(num uint64) ([]byte, error) {
@@ -147,7 +147,7 @@ func (cfd *cachedFieldDocs) prepareField(field string, ss *SegmentSnapshot) {
 	var postings segment.PostingsList
 	var postingsItr segment.PostingsIterator
 
-	dictItr := dict.Iterator()
+	dictItr := dict.AutomatonIterator(nil, nil, nil)
 	next, err := dictItr.Next()
 	for err == nil && next != nil {
 		var err1 error
@@ -253,7 +253,7 @@ func (c *cachedDocs) updateSizeLOCKED() {
 }
 
 func (c *cachedDocs) visitDoc(localDocNum uint64,
-	fields []string, visitor index.DocumentFieldTermVisitor) {
+	fields []string, visitor index.DocValueVisitor) {
 	c.m.Lock()
 
 	for _, field := range fields {

vendor/github.com/blevesearch/bleve/v2/index/scorch/unadorned.go

@@ -12,10 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package segment
+package scorch
 
 import (
 	"github.com/RoaringBitmap/roaring"
+	segment "github.com/blevesearch/scorch_segment_api"
 	"math"
 	"reflect"
 )
@@ -25,28 +26,28 @@ var reflectStaticSizeUnadornedPostingsIterator1Hit int
 var reflectStaticSizeUnadornedPosting int
 
 func init() {
-	var pib UnadornedPostingsIteratorBitmap
+	var pib unadornedPostingsIteratorBitmap
 	reflectStaticSizeUnadornedPostingsIteratorBitmap = int(reflect.TypeOf(pib).Size())
-	var pi1h UnadornedPostingsIterator1Hit
+	var pi1h unadornedPostingsIterator1Hit
 	reflectStaticSizeUnadornedPostingsIterator1Hit = int(reflect.TypeOf(pi1h).Size())
 	var up UnadornedPosting
 	reflectStaticSizeUnadornedPosting = int(reflect.TypeOf(up).Size())
 }
 
-type UnadornedPostingsIteratorBitmap struct {
+type unadornedPostingsIteratorBitmap struct {
 	actual   roaring.IntPeekable
 	actualBM *roaring.Bitmap
 }
 
-func (i *UnadornedPostingsIteratorBitmap) Next() (Posting, error) {
+func (i *unadornedPostingsIteratorBitmap) Next() (segment.Posting, error) {
 	return i.nextAtOrAfter(0)
 }
 
-func (i *UnadornedPostingsIteratorBitmap) Advance(docNum uint64) (Posting, error) {
+func (i *unadornedPostingsIteratorBitmap) Advance(docNum uint64) (segment.Posting, error) {
 	return i.nextAtOrAfter(docNum)
 }
 
-func (i *UnadornedPostingsIteratorBitmap) nextAtOrAfter(atOrAfter uint64) (Posting, error) {
+func (i *unadornedPostingsIteratorBitmap) nextAtOrAfter(atOrAfter uint64) (segment.Posting, error) {
 	docNum, exists := i.nextDocNumAtOrAfter(atOrAfter)
 	if !exists {
 		return nil, nil
@@ -54,7 +55,7 @@ func (i *UnadornedPostingsIteratorBitmap) nextAtOrAfter(atOrAfter uint64) (Posti
 	return UnadornedPosting(docNum), nil
 }
 
-func (i *UnadornedPostingsIteratorBitmap) nextDocNumAtOrAfter(atOrAfter uint64) (uint64, bool) {
+func (i *unadornedPostingsIteratorBitmap) nextDocNumAtOrAfter(atOrAfter uint64) (uint64, bool) {
 	if i.actual == nil || !i.actual.HasNext() {
 		return 0, false
 	}
@@ -67,25 +68,25 @@ func (i *UnadornedPostingsIteratorBitmap) nextDocNumAtOrAfter(atOrAfter uint64)
 	return uint64(i.actual.Next()), true
 }
 
-func (i *UnadornedPostingsIteratorBitmap) Size() int {
+func (i *unadornedPostingsIteratorBitmap) Size() int {
 	return reflectStaticSizeUnadornedPostingsIteratorBitmap
 }
 
-func (i *UnadornedPostingsIteratorBitmap) ActualBitmap() *roaring.Bitmap {
+func (i *unadornedPostingsIteratorBitmap) ActualBitmap() *roaring.Bitmap {
 	return i.actualBM
 }
 
-func (i *UnadornedPostingsIteratorBitmap) DocNum1Hit() (uint64, bool) {
+func (i *unadornedPostingsIteratorBitmap) DocNum1Hit() (uint64, bool) {
 	return 0, false
 }
 
-func (i *UnadornedPostingsIteratorBitmap) ReplaceActual(actual *roaring.Bitmap) {
+func (i *unadornedPostingsIteratorBitmap) ReplaceActual(actual *roaring.Bitmap) {
 	i.actualBM = actual
 	i.actual = actual.Iterator()
 }
 
-func NewUnadornedPostingsIteratorFromBitmap(bm *roaring.Bitmap) PostingsIterator {
+func newUnadornedPostingsIteratorFromBitmap(bm *roaring.Bitmap) segment.PostingsIterator {
-	return &UnadornedPostingsIteratorBitmap{
+	return &unadornedPostingsIteratorBitmap{
 		actualBM: bm,
 		actual:   bm.Iterator(),
 	}
@@ -93,19 +94,19 @@ func NewUnadornedPostingsIteratorFromBitmap(bm *roaring.Bitmap) PostingsIterator
 
 const docNum1HitFinished = math.MaxUint64
 
-type UnadornedPostingsIterator1Hit struct {
+type unadornedPostingsIterator1Hit struct {
 	docNum uint64
 }
 
-func (i *UnadornedPostingsIterator1Hit) Next() (Posting, error) {
+func (i *unadornedPostingsIterator1Hit) Next() (segment.Posting, error) {
 	return i.nextAtOrAfter(0)
 }
 
-func (i *UnadornedPostingsIterator1Hit) Advance(docNum uint64) (Posting, error) {
+func (i *unadornedPostingsIterator1Hit) Advance(docNum uint64) (segment.Posting, error) {
 	return i.nextAtOrAfter(docNum)
 }
 
-func (i *UnadornedPostingsIterator1Hit) nextAtOrAfter(atOrAfter uint64) (Posting, error) {
+func (i *unadornedPostingsIterator1Hit) nextAtOrAfter(atOrAfter uint64) (segment.Posting, error) {
 	docNum, exists := i.nextDocNumAtOrAfter(atOrAfter)
 	if !exists {
 		return nil, nil
@@ -113,7 +114,7 @@ func (i *UnadornedPostingsIterator1Hit) nextAtOrAfter(atOrAfter uint64) (Posting
 	return UnadornedPosting(docNum), nil
 }
 
-func (i *UnadornedPostingsIterator1Hit) nextDocNumAtOrAfter(atOrAfter uint64) (uint64, bool) {
+func (i *unadornedPostingsIterator1Hit) nextDocNumAtOrAfter(atOrAfter uint64) (uint64, bool) {
 	if i.docNum == docNum1HitFinished {
 		return 0, false
 	}
@@ -127,12 +128,12 @@ func (i *UnadornedPostingsIterator1Hit) nextDocNumAtOrAfter(atOrAfter uint64) (u
 	return docNum, true
 }
 
-func (i *UnadornedPostingsIterator1Hit) Size() int {
+func (i *unadornedPostingsIterator1Hit) Size() int {
 	return reflectStaticSizeUnadornedPostingsIterator1Hit
 }
 
-func NewUnadornedPostingsIteratorFrom1Hit(docNum1Hit uint64) PostingsIterator {
+func newUnadornedPostingsIteratorFrom1Hit(docNum1Hit uint64) segment.PostingsIterator {
-	return &UnadornedPostingsIterator1Hit{
+	return &unadornedPostingsIterator1Hit{
 		docNum1Hit,
 	}
 }
@@ -151,7 +152,7 @@ func (p UnadornedPosting) Norm() float64 {
 	return 0
 }
 
-func (p UnadornedPosting) Locations() []Location {
+func (p UnadornedPosting) Locations() []segment.Location {
 	return nil
 }
 

vendor/github.com/blevesearch/bleve/v2/index/upsidedown/analysis.go

@@ -15,29 +15,46 @@
 package upsidedown
 
 import (
-	"github.com/blevesearch/bleve/analysis"
+	index "github.com/blevesearch/bleve_index_api"
-	"github.com/blevesearch/bleve/document"
-	"github.com/blevesearch/bleve/index"
 )
 
-func (udc *UpsideDownCouch) Analyze(d *document.Document) *index.AnalysisResult {
+type IndexRow interface {
-	rv := &index.AnalysisResult{
+	KeySize() int
-		DocID: d.ID,
+	KeyTo([]byte) (int, error)
-		Rows:  make([]index.IndexRow, 0, 100),
+	Key() []byte
+
+	ValueSize() int
+	ValueTo([]byte) (int, error)
+	Value() []byte
 }
 
-	docIDBytes := []byte(d.ID)
+type AnalysisResult struct {
+	DocID string
+	Rows  []IndexRow
+}
+
+func (udc *UpsideDownCouch) Analyze(d index.Document) *AnalysisResult {
+	return udc.analyze(d)
+}
+
+func (udc *UpsideDownCouch) analyze(d index.Document) *AnalysisResult {
+	rv := &AnalysisResult{
+		DocID: d.ID(),
+		Rows:  make([]IndexRow, 0, 100),
+	}
+
+	docIDBytes := []byte(d.ID())
 
 	// track our back index entries
 	backIndexStoredEntries := make([]*BackIndexStoreEntry, 0)
 
 	// information we collate as we merge fields with same name
-	fieldTermFreqs := make(map[uint16]analysis.TokenFrequencies)
+	fieldTermFreqs := make(map[uint16]index.TokenFrequencies)
 	fieldLengths := make(map[uint16]int)
 	fieldIncludeTermVectors := make(map[uint16]bool)
 	fieldNames := make(map[uint16]string)
 
-	analyzeField := func(field document.Field, storable bool) {
+	analyzeField := func(field index.Field, storable bool) {
 		fieldIndex, newFieldRow := udc.fieldIndexOrNewRow(field.Name())
 		if newFieldRow != nil {
 			rv.Rows = append(rv.Rows, newFieldRow)
@@ -45,7 +62,9 @@ func (udc *UpsideDownCouch) Analyze(d *document.Document) *index.AnalysisResult
 		fieldNames[fieldIndex] = field.Name()
 
 		if field.Options().IsIndexed() {
-			fieldLength, tokenFreqs := field.Analyze()
+			field.Analyze()
+			fieldLength := field.AnalyzedLength()
+			tokenFreqs := field.AnalyzedTokenFrequencies()
 			existingFreqs := fieldTermFreqs[fieldIndex]
 			if existingFreqs == nil {
 				fieldTermFreqs[fieldIndex] = tokenFreqs
@@ -66,21 +85,21 @@ func (udc *UpsideDownCouch) Analyze(d *document.Document) *index.AnalysisResult
 	// place information about indexed fields into map
 	// this collates information across fields with
 	// same names (arrays)
-	for _, field := range d.Fields {
+	d.VisitFields(func(field index.Field) {
 		analyzeField(field, true)
-	}
+	})
 
-	if len(d.CompositeFields) > 0 {
+	if d.HasComposite() {
 		for fieldIndex, tokenFreqs := range fieldTermFreqs {
 			// see if any of the composite fields need this
-			for _, compositeField := range d.CompositeFields {
+			d.VisitComposite(func(field index.CompositeField) {
-				compositeField.Compose(fieldNames[fieldIndex], fieldLengths[fieldIndex], tokenFreqs)
+				field.Compose(fieldNames[fieldIndex], fieldLengths[fieldIndex], tokenFreqs)
-			}
+			})
 		}
 
-		for _, compositeField := range d.CompositeFields {
+		d.VisitComposite(func(field index.CompositeField) {
-			analyzeField(compositeField, false)
+			analyzeField(field, false)
-		}
+		})
 	}
 
 	rowsCapNeeded := len(rv.Rows) + 1
@@ -88,7 +107,7 @@ func (udc *UpsideDownCouch) Analyze(d *document.Document) *index.AnalysisResult
 		rowsCapNeeded += len(tokenFreqs)
 	}
 
-	rv.Rows = append(make([]index.IndexRow, 0, rowsCapNeeded), rv.Rows...)
+	rv.Rows = append(make([]IndexRow, 0, rowsCapNeeded), rv.Rows...)
 
 	backIndexTermsEntries := make([]*BackIndexTermsEntry, 0, len(fieldTermFreqs))
 

vendor/github.com/blevesearch/bleve/v2/index/upsidedown/dump.go

@@ -18,7 +18,7 @@ import (
 	"bytes"
 	"sort"
 
-	"github.com/blevesearch/bleve/index/store"
+	"github.com/blevesearch/upsidedown_store_api"
 )
 
 // the functions in this file are only intended to be used by

vendor/github.com/blevesearch/bleve/v2/index/upsidedown/field_cache.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package index
+package upsidedown
 
 import (
 	"sync"

vendor/github.com/blevesearch/bleve/v2/index/upsidedown/field_dict.go

@@ -17,8 +17,8 @@ package upsidedown
 import (
 	"fmt"
 
-	"github.com/blevesearch/bleve/index"
+	index "github.com/blevesearch/bleve_index_api"
-	"github.com/blevesearch/bleve/index/store"
+	store "github.com/blevesearch/upsidedown_store_api"
 )
 
 type UpsideDownCouchFieldDict struct {

vendor/github.com/blevesearch/bleve/v2/index/upsidedown/index_reader.go

@@ -17,9 +17,9 @@ package upsidedown
 import (
 	"reflect"
 
-	"github.com/blevesearch/bleve/document"
+	"github.com/blevesearch/bleve/v2/document"
-	"github.com/blevesearch/bleve/index"
+	index "github.com/blevesearch/bleve_index_api"
-	"github.com/blevesearch/bleve/index/store"
+	"github.com/blevesearch/upsidedown_store_api"
 )
 
 var reflectStaticSizeIndexReader int
@@ -67,7 +67,7 @@ func (i *IndexReader) DocIDReaderOnly(ids []string) (index.DocIDReader, error) {
 	return newUpsideDownCouchDocIDReaderOnly(i, ids)
 }
 
-func (i *IndexReader) Document(id string) (doc *document.Document, err error) {
+func (i *IndexReader) Document(id string) (doc index.Document, err error) {
 	// first hit the back index to confirm doc exists
 	var backIndexRow *BackIndexRow
 	backIndexRow, err = backIndexRowForDoc(i.kvreader, []byte(id))
@@ -77,7 +77,7 @@ func (i *IndexReader) Document(id string) (doc *document.Document, err error) {
 	if backIndexRow == nil {
 		return
 	}
-	doc = document.NewDocument(id)
+	rvd := document.NewDocument(id)
 	storedRow := NewStoredRow([]byte(id), 0, []uint64{}, 'x', nil)
 	storedRowScanPrefix := storedRow.ScanPrefixForDoc()
 	it := i.kvreader.PrefixIterator(storedRowScanPrefix)
@@ -93,24 +93,23 @@ func (i *IndexReader) Document(id string) (doc *document.Document, err error) {
 		var row *StoredRow
 		row, err = NewStoredRowKV(key, safeVal)
 		if err != nil {
-			doc = nil
+			return nil, err
-			return
 		}
 		if row != nil {
 			fieldName := i.index.fieldCache.FieldIndexed(row.field)
 			field := decodeFieldType(row.typ, fieldName, row.arrayPositions, row.value)
 			if field != nil {
-				doc.AddField(field)
+				rvd.AddField(field)
 			}
 		}
 
 		it.Next()
 		key, val, valid = it.Current()
 	}
-	return
+	return rvd, nil
 }
 
-func (i *IndexReader) DocumentVisitFieldTerms(id index.IndexInternalID, fields []string, visitor index.DocumentFieldTermVisitor) error {
+func (i *IndexReader) documentVisitFieldTerms(id index.IndexInternalID, fields []string, visitor index.DocValueVisitor) error {
 	fieldsMap := make(map[uint16]string, len(fields))
 	for _, f := range fields {
 		id, ok := i.index.fieldCache.FieldNamed(f, false)
@@ -221,6 +220,6 @@ type DocValueReader struct {
 }
 
 func (dvr *DocValueReader) VisitDocValues(id index.IndexInternalID,
-	visitor index.DocumentFieldTermVisitor) error {
+	visitor index.DocValueVisitor) error {
-	return dvr.i.DocumentVisitFieldTerms(id, dvr.fields, visitor)
+	return dvr.i.documentVisitFieldTerms(id, dvr.fields, visitor)
 }

vendor/github.com/blevesearch/bleve/v2/index/upsidedown/reader.go

@@ -20,9 +20,9 @@ import (
 	"sort"
 	"sync/atomic"
 
-	"github.com/blevesearch/bleve/index"
+	"github.com/blevesearch/bleve/v2/size"
-	"github.com/blevesearch/bleve/index/store"
+	index "github.com/blevesearch/bleve_index_api"
-	"github.com/blevesearch/bleve/size"
+	"github.com/blevesearch/upsidedown_store_api"
 )
 
 var reflectStaticSizeUpsideDownCouchTermFieldReader int

vendor/github.com/blevesearch/bleve/v2/index/upsidedown/row.go

@@ -22,7 +22,7 @@ import (
 	"math"
 	"reflect"
 
-	"github.com/blevesearch/bleve/size"
+	"github.com/blevesearch/bleve/v2/size"
 	"github.com/golang/protobuf/proto"
 )
 

vendor/github.com/blevesearch/bleve/v2/index/upsidedown/stats.go

@@ -18,7 +18,7 @@ import (
 	"encoding/json"
 	"sync/atomic"
 
-	"github.com/blevesearch/bleve/index/store"
+	"github.com/blevesearch/upsidedown_store_api"
 )
 
 type indexStat struct {

vendor/github.com/blevesearch/bleve/v2/index/upsidedown/store/boltdb/reader.go

@@ -15,7 +15,7 @@
 package boltdb
 
 import (
-	"github.com/blevesearch/bleve/index/store"
+	store "github.com/blevesearch/upsidedown_store_api"
 	bolt "go.etcd.io/bbolt"
 )
 

vendor/github.com/blevesearch/bleve/v2/index/upsidedown/store/boltdb/store.go

@@ -28,8 +28,8 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/blevesearch/bleve/index/store"
+	"github.com/blevesearch/bleve/v2/registry"
-	"github.com/blevesearch/bleve/registry"
+	store "github.com/blevesearch/upsidedown_store_api"
 	bolt "go.etcd.io/bbolt"
 )
 

vendor/github.com/blevesearch/bleve/v2/index/upsidedown/store/boltdb/writer.go

@@ -17,7 +17,7 @@ package boltdb
 import (
 	"fmt"
 
-	"github.com/blevesearch/bleve/index/store"
+	store "github.com/blevesearch/upsidedown_store_api"
 )
 
 type Writer struct {

vendor/github.com/blevesearch/bleve/v2/index/upsidedown/store/gtreap/reader.go

@@ -18,7 +18,7 @@
 package gtreap
 
 import (
-	"github.com/blevesearch/bleve/index/store"
+	"github.com/blevesearch/upsidedown_store_api"
 
 	"github.com/steveyen/gtreap"
 )

vendor/github.com/blevesearch/bleve/v2/index/upsidedown/store/gtreap/store.go

@@ -24,8 +24,8 @@ import (
 	"os"
 	"sync"
 
-	"github.com/blevesearch/bleve/index/store"
+	"github.com/blevesearch/bleve/v2/registry"
-	"github.com/blevesearch/bleve/registry"
+	"github.com/blevesearch/upsidedown_store_api"
 	"github.com/steveyen/gtreap"
 )
 

vendor/github.com/blevesearch/bleve/v2/index/upsidedown/store/gtreap/writer.go

@@ -21,7 +21,7 @@ import (
 	"fmt"
 	"math/rand"
 
-	"github.com/blevesearch/bleve/index/store"
+	"github.com/blevesearch/upsidedown_store_api"
 )
 
 type Writer struct {