Add Query-Fastpath

Reference-Implementation for proposed Queryer-Interface (like Execer)

connection.go

@@ -238,6 +238,37 @@ func (mc *mysqlConn) exec(query string) (e error) {
  return
 }
 
+func (mc *mysqlConn) Query(query string, args []driver.Value) (driver.Rows, error) {
+ if len(args) > 0 {
+ return nil, driver.ErrSkip
+ }
+
+ // Send command
+ e := mc.writeCommandPacket(COM_QUERY, query)
+ if e != nil {
+ return nil, e
+ }
+
+ // Read Result
+ var resLen int
+ resLen, e = mc.readResultSetHeaderPacket()
+ if e != nil {
+ return nil, e
+ }
+
+ rows := mysqlRows{&rowsContent{mc, false, resLen, nil}}
+
+ if resLen > 0 {
+ // Columns
+ rows.content.columns, e = mc.readColumns(resLen)
+ if e != nil {
+ return nil, e
+ }
+ }
+
+ return rows, e
+}
+
 // Gets the value of the given MySQL System Variable
 func (mc *mysqlConn) getSystemVar(name string) (val string, e error) {
  // Send command