forked from Shiloh/githaven
25b5ffb6af
* Enables mssql support Port of dlobs work in gogs. Enables options in index.js Enables MSSQL as a database option in go. Sets ID to 0 on initial migration. Required for MSSQL insert statements. Signed-off-by: Beau Trepp <beautrepp@gmail.com> * Vendors in denisenkom/go-mssqldb Includes golang.org/x/crypto/md4 as this is required by go-msssqldb Signed-off-by: Beau Trepp <beautrepp@gmail.com>
100 lines
2.1 KiB
Go
100 lines
2.1 KiB
Go
// Transaction Manager requests
|
|
// http://msdn.microsoft.com/en-us/library/dd339887.aspx
|
|
package mssql
|
|
|
|
import (
|
|
"encoding/binary"
|
|
)
|
|
|
|
const (
|
|
tmGetDtcAddr = 0
|
|
tmPropagateXact = 1
|
|
tmBeginXact = 5
|
|
tmPromoteXact = 6
|
|
tmCommitXact = 7
|
|
tmRollbackXact = 8
|
|
tmSaveXact = 9
|
|
)
|
|
|
|
func sendBeginXact(buf *tdsBuffer, headers []headerStruct, isolation uint8,
|
|
name string) (err error) {
|
|
buf.BeginPacket(packTransMgrReq)
|
|
writeAllHeaders(buf, headers)
|
|
var rqtype uint16 = tmBeginXact
|
|
err = binary.Write(buf, binary.LittleEndian, &rqtype)
|
|
if err != nil {
|
|
return
|
|
}
|
|
err = binary.Write(buf, binary.LittleEndian, &isolation)
|
|
if err != nil {
|
|
return
|
|
}
|
|
err = writeBVarChar(buf, name)
|
|
if err != nil {
|
|
return
|
|
}
|
|
return buf.FinishPacket()
|
|
}
|
|
|
|
const (
|
|
fBeginXact = 1
|
|
)
|
|
|
|
func sendCommitXact(buf *tdsBuffer, headers []headerStruct, name string, flags uint8, isolation uint8, newname string) error {
|
|
buf.BeginPacket(packTransMgrReq)
|
|
writeAllHeaders(buf, headers)
|
|
var rqtype uint16 = tmCommitXact
|
|
err := binary.Write(buf, binary.LittleEndian, &rqtype)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = writeBVarChar(buf, name)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = binary.Write(buf, binary.LittleEndian, &flags)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if flags&fBeginXact != 0 {
|
|
err = binary.Write(buf, binary.LittleEndian, &isolation)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = writeBVarChar(buf, name)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return buf.FinishPacket()
|
|
}
|
|
|
|
func sendRollbackXact(buf *tdsBuffer, headers []headerStruct, name string, flags uint8, isolation uint8, newname string) error {
|
|
buf.BeginPacket(packTransMgrReq)
|
|
writeAllHeaders(buf, headers)
|
|
var rqtype uint16 = tmRollbackXact
|
|
err := binary.Write(buf, binary.LittleEndian, &rqtype)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = writeBVarChar(buf, name)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = binary.Write(buf, binary.LittleEndian, &flags)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if flags&fBeginXact != 0 {
|
|
err = binary.Write(buf, binary.LittleEndian, &isolation)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = writeBVarChar(buf, name)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return buf.FinishPacket()
|
|
}
|