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89 lines
1.8 KiB
89 lines
1.8 KiB
package mssql
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import (
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"encoding/binary"
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)
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type procId struct {
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id uint16
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name string
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}
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// parameter flags
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const (
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fByRevValue = 1
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fDefaultValue = 2
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)
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type param struct {
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Name string
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Flags uint8
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ti typeInfo
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buffer []byte
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}
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const (
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fWithRecomp = 1
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fNoMetaData = 2
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fReuseMetaData = 4
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)
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var (
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sp_Cursor = procId{1, ""}
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sp_CursorOpen = procId{2, ""}
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sp_CursorPrepare = procId{3, ""}
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sp_CursorExecute = procId{4, ""}
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sp_CursorPrepExec = procId{5, ""}
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sp_CursorUnprepare = procId{6, ""}
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sp_CursorFetch = procId{7, ""}
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sp_CursorOption = procId{8, ""}
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sp_CursorClose = procId{9, ""}
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sp_ExecuteSql = procId{10, ""}
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sp_Prepare = procId{11, ""}
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sp_PrepExec = procId{13, ""}
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sp_PrepExecRpc = procId{14, ""}
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sp_Unprepare = procId{15, ""}
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)
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// http://msdn.microsoft.com/en-us/library/dd357576.aspx
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func sendRpc(buf *tdsBuffer, headers []headerStruct, proc procId, flags uint16, params []param, resetSession bool) (err error) {
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buf.BeginPacket(packRPCRequest, resetSession)
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writeAllHeaders(buf, headers)
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if len(proc.name) == 0 {
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var idswitch uint16 = 0xffff
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err = binary.Write(buf, binary.LittleEndian, &idswitch)
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if err != nil {
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return
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}
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err = binary.Write(buf, binary.LittleEndian, &proc.id)
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if err != nil {
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return
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}
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} else {
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err = writeUsVarChar(buf, proc.name)
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if err != nil {
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return
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}
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}
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err = binary.Write(buf, binary.LittleEndian, &flags)
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if err != nil {
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return
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}
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for _, param := range params {
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if err = writeBVarChar(buf, param.Name); err != nil {
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return
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}
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if err = binary.Write(buf, binary.LittleEndian, param.Flags); err != nil {
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return
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}
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err = writeTypeInfo(buf, ¶m.ti)
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if err != nil {
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return
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}
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err = param.ti.Writer(buf, param.ti, param.buffer)
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if err != nil {
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return
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}
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}
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return buf.FinishPacket()
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}
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