コード例 #1
0
ファイル: messages.go プロジェクト: housinganywhere/pg
// Writes BIND, EXECUTE and SYNC messages.
func writeBindExecuteMsg(buf *pool.Buffer, name string, params ...interface{}) error {
	const paramLenWidth = 4

	buf.StartMessage(bindMsg)
	buf.WriteString("")
	buf.WriteString(name)
	buf.WriteInt16(0)
	buf.WriteInt16(int16(len(params)))
	for _, param := range params {
		buf.StartParam()
		bytes := types.Append(buf.Bytes, param, false)
		if bytes != nil {
			buf.Bytes = bytes
			buf.FinishParam()
		} else {
			buf.FinishNullParam()
		}
	}
	buf.WriteInt16(0)
	buf.FinishMessage()

	buf.StartMessage(executeMsg)
	buf.WriteString("")
	buf.WriteInt32(0)
	buf.FinishMessage()

	buf.StartMessage(syncMsg)
	buf.FinishMessage()

	return nil
}