func (c *Conn) FieldList(table string, wildcard string) ([]*mysql.Field, error) {
if err := c.writeCommandStrStr(mysql.COM_FIELD_LIST, table, wildcard); err != nil {
return nil, err
}
data, err := c.readPacket()
if err != nil {
return nil, err
}
fs := make([]*mysql.Field, 0, 4)
var f *mysql.Field
if data[0] == mysql.ERR_HEADER {
return nil, c.handleErrorPacket(data)
} else {
for {
if data, err = c.readPacket(); err != nil {
return nil, err
}
// EOF Packet
if c.isEOFPacket(data) {
return fs, nil
}
if f, err = mysql.FieldData(data).Parse(); err != nil {
return nil, err
}
fs = append(fs, f)
}
}
return nil, fmt.Errorf("field list error")
}
func (c *Conn) readResultColumns(result *mysql.Result) (err error) {
var i int = 0
var data []byte
for {
data, err = c.readPacket()
if err != nil {
return
}
// EOF Packet
if c.isEOFPacket(data) {
if c.capability&mysql.CLIENT_PROTOCOL_41 > 0 {
//result.Warnings = binary.LittleEndian.Uint16(data[1:])
//todo add strict_mode, warning will be treat as error
result.Status = binary.LittleEndian.Uint16(data[3:])
c.status = result.Status
}
if i != len(result.Fields) {
err = mysql.ErrMalformPacket
}
return
}
result.Fields[i], err = mysql.FieldData(data).Parse()
if err != nil {
return
}
result.FieldNames[string(result.Fields[i].Name)] = i
i++
}
}