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Use buffered exec

pull/483/head
Jack Christensen 2018-12-31 14:14:40 -06:00
parent c33441674f
commit d229219039
1 changed files with 3 additions and 16 deletions
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19
pgconn/config.go
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@ -467,27 +467,14 @@ func makeConnectTimeoutDialFunc(s string) (DialFunc, error) {
// AfterConnectTargetSessionAttrsReadWrite is an AfterConnectFunc that implements libpq compatible // AfterConnectTargetSessionAttrsReadWrite is an AfterConnectFunc that implements libpq compatible
// target_session_attrs=read-write. // target_session_attrs=read-write.
func AfterConnectTargetSessionAttrsReadWrite(pgConn *PgConn) error { func AfterConnectTargetSessionAttrsReadWrite(pgConn *PgConn) error {
pgConn.SendExec("show transaction_read_only") result, err := pgConn.Exec("show transaction_read_only")
err := pgConn.Flush()
if err != nil { if err != nil {
return err return err
} }
result := pgConn.GetResult() if string(result.Rows[0][0]) == "on" {
if err != nil {
return err
}
rowFound := result.NextRow()
if !rowFound {
return errors.New("show transaction_read_only failed")
}
if string(result.Values()[0]) == "on" {
return errors.New("read only connection") return errors.New("read only connection")
} }
_, err = result.Close() return nil
return err
} }