Example #1
0
// ProtoColumnsToFieldTypes converts tipb column info slice to FieldTyps slice.
func ProtoColumnsToFieldTypes(pColumns []*tipb.ColumnInfo) []*types.FieldType {
	fields := make([]*types.FieldType, len(pColumns))
	for i, v := range pColumns {
		field := new(types.FieldType)
		field.Tp = byte(v.GetTp())
		field.Collate = mysql.Collations[byte(v.GetCollation())]
		field.Decimal = int(v.GetDecimal())
		field.Flen = int(v.GetColumnLen())
		field.Flag = uint(v.GetFlag())
		field.Elems = v.GetElems()
		fields[i] = field
	}
	return fields
}
Example #2
0
File: ddl.go Project: pingcap/tidb
func (d *ddl) setCharsetCollationFlenDecimal(tp *types.FieldType) {
	if len(tp.Charset) == 0 {
		switch tp.Tp {
		case mysql.TypeString, mysql.TypeVarchar, mysql.TypeVarString, mysql.TypeBlob, mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob:
			tp.Charset, tp.Collate = getDefaultCharsetAndCollate()
		default:
			tp.Charset = charset.CharsetBin
			tp.Collate = charset.CharsetBin
		}
	}
	// If flen is not assigned, assigned it by type.
	if tp.Flen == types.UnspecifiedLength {
		tp.Flen = mysql.GetDefaultFieldLength(tp.Tp)
	}
	if tp.Decimal == types.UnspecifiedLength {
		tp.Decimal = mysql.GetDefaultDecimal(tp.Tp)
	}
}