func (p RowData) ParseText(f []*Field) ([]interface{}, error) {
data := make([]interface{}, len(f))
var err error
var v []byte
var isNull, isUnsigned bool
var pos int = 0
var n int = 0
for i := range f {
v, isNull, n, err = utils.LengthEnodedString(p[pos:])
if err != nil {
return nil, err
}
pos += n
if isNull {
data[i] = nil
} else {
isUnsigned = (f[i].Flag&UNSIGNED_FLAG > 0)
switch f[i].Type {
case MYSQL_TYPE_TINY, MYSQL_TYPE_SHORT, MYSQL_TYPE_INT24,
MYSQL_TYPE_LONGLONG, MYSQL_TYPE_YEAR:
if isUnsigned {
data[i], err = strconv.ParseUint(string(v), 10, 64)
} else {
data[i], err = strconv.ParseInt(string(v), 10, 64)
}
case MYSQL_TYPE_FLOAT, MYSQL_TYPE_DOUBLE:
data[i], err = strconv.ParseFloat(string(v), 64)
default:
data[i] = v
}
if err != nil {
return nil, err
}
}
}
return data, nil
}
func (p RowData) ParseBinary(f []*Field) ([]interface{}, error) {
data := make([]interface{}, len(f))
if p[0] != OK_HEADER {
return nil, ErrMalformPacket
}
pos := 1 + ((len(f) + 7 + 2) >> 3)
nullBitmap := p[1:pos]
var isUnsigned bool
var isNull bool
var n int
var err error
var v []byte
for i := range data {
if nullBitmap[(i+2)/8]&(1<<(uint(i+2)%8)) > 0 {
data[i] = nil
continue
}
isUnsigned = f[i].Flag&UNSIGNED_FLAG > 0
switch f[i].Type {
case MYSQL_TYPE_NULL:
data[i] = nil
continue
case MYSQL_TYPE_TINY:
if isUnsigned {
data[i] = uint64(p[pos])
} else {
data[i] = int64(p[pos])
}
pos++
continue
case MYSQL_TYPE_SHORT, MYSQL_TYPE_YEAR:
if isUnsigned {
data[i] = uint64(binary.LittleEndian.Uint16(p[pos : pos+2]))
} else {
data[i] = int64((binary.LittleEndian.Uint16(p[pos : pos+2])))
}
pos += 2
continue
case MYSQL_TYPE_INT24, MYSQL_TYPE_LONG:
if isUnsigned {
data[i] = uint64(binary.LittleEndian.Uint32(p[pos : pos+4]))
} else {
data[i] = int64(binary.LittleEndian.Uint32(p[pos : pos+4]))
}
pos += 4
continue
case MYSQL_TYPE_LONGLONG:
if isUnsigned {
data[i] = binary.LittleEndian.Uint64(p[pos : pos+8])
} else {
data[i] = int64(binary.LittleEndian.Uint64(p[pos : pos+8]))
}
pos += 8
continue
case MYSQL_TYPE_FLOAT:
data[i] = float64(math.Float32frombits(binary.LittleEndian.Uint32(p[pos : pos+4])))
pos += 4
continue
case MYSQL_TYPE_DOUBLE:
data[i] = math.Float64frombits(binary.LittleEndian.Uint64(p[pos : pos+8]))
pos += 8
continue
case MYSQL_TYPE_DECIMAL, MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_VARCHAR,
MYSQL_TYPE_BIT, MYSQL_TYPE_ENUM, MYSQL_TYPE_SET, MYSQL_TYPE_TINY_BLOB,
MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_BLOB,
MYSQL_TYPE_VAR_STRING, MYSQL_TYPE_STRING, MYSQL_TYPE_GEOMETRY:
v, isNull, n, err = utils.LengthEnodedString(p[pos:])
pos += n
if err != nil {
return nil, err
}
if !isNull {
data[i] = v
continue
} else {
data[i] = nil
continue
}
case MYSQL_TYPE_DATE, MYSQL_TYPE_NEWDATE:
var num uint64
num, isNull, n = LengthEncodedInt(p[pos:])
pos += n
if isNull {
data[i] = nil
continue
}
data[i], err = utils.FormatBinaryDate(int(num), p[pos:])
pos += int(num)
if err != nil {
return nil, err
}
case MYSQL_TYPE_TIMESTAMP, MYSQL_TYPE_DATETIME:
var num uint64
num, isNull, n = utils.LengthEncodedInt(p[pos:])
pos += n
if isNull {
data[i] = nil
continue
}
data[i], err = utils.FormatBinaryDateTime(int(num), p[pos:])
pos += int(num)
if err != nil {
return nil, err
}
case MYSQL_TYPE_TIME:
var num uint64
num, isNull, n = utils.LengthEncodedInt(p[pos:])
pos += n
if isNull {
data[i] = nil
continue
}
data[i], err = utils.FormatBinaryTime(int(num), p[pos:])
pos += int(num)
if err != nil {
return nil, err
}
default:
return nil, fmt.Errorf("Stmt Unknown FieldType %d %s", f[i].Type, f[i].Name)
}
}
return data, nil
}
