func pgsqlErrorParser(s *PgsqlStream) {
m := s.message
for len(s.data[s.parseOffset:]) > 0 {
// read field type(byte1)
field_type := s.data[s.parseOffset]
s.parseOffset += 1
if field_type == 0 {
break
}
// read field value(string)
field_value, err := common.ReadString(s.data[s.parseOffset:])
if err != nil {
logp.Err("Fail to read the column field")
}
s.parseOffset += len(field_value) + 1
if field_type == 'M' {
m.ErrorInfo = field_value
} else if field_type == 'C' {
m.ErrorCode = field_value
} else if field_type == 'S' {
m.ErrorSeverity = field_value
}
}
logp.Debug("pgsqldetailed", "%s %s %s", m.ErrorSeverity, m.ErrorCode, m.ErrorInfo)
}
func pgsqlFieldsParser(s *PgsqlStream) {
m := s.message
// read field count (int16)
field_count := int(common.Bytes_Ntohs(s.data[s.parseOffset : s.parseOffset+2]))
s.parseOffset += 2
logp.Debug("pgsqldetailed", "Row Description field count=%d", field_count)
fields := []string{}
fields_format := []byte{}
for i := 0; i < field_count; i++ {
// read field name (null terminated string)
field_name, err := common.ReadString(s.data[s.parseOffset:])
if err != nil {
logp.Err("Fail to read the column field")
}
fields = append(fields, field_name)
m.NumberOfFields += 1
s.parseOffset += len(field_name) + 1
// read Table OID (int32)
s.parseOffset += 4
// read Column Index (int16)
s.parseOffset += 2
// read Type OID (int32)
s.parseOffset += 4
// read column length (int16)
s.parseOffset += 2
// read type modifier (int32)
s.parseOffset += 4
// read format (int16)
format := common.Bytes_Ntohs(s.data[s.parseOffset : s.parseOffset+2])
fields_format = append(fields_format, byte(format))
s.parseOffset += 2
logp.Debug("pgsqldetailed", "Field name=%s, format=%d", field_name, format)
}
m.Fields = fields
m.FieldsFormat = fields_format
if m.NumberOfFields != field_count {
logp.Err("Missing fields from RowDescription. Expected %d. Received %d", field_count, m.NumberOfFields)
}
}