Files
tidb/pkg/server/internal/column/column_test.go

251 lines
11 KiB
Go

// Copyright 2019 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package column
import (
"testing"
"time"
"github.com/pingcap/tidb/pkg/parser/charset"
"github.com/pingcap/tidb/pkg/parser/mysql"
"github.com/pingcap/tidb/pkg/server/internal/util"
"github.com/pingcap/tidb/pkg/types"
"github.com/pingcap/tidb/pkg/util/chunk"
contextutil "github.com/pingcap/tidb/pkg/util/context"
"github.com/stretchr/testify/require"
)
func TestDumpColumn(t *testing.T) {
info := Info{
Schema: "testSchema",
Table: "testTable",
OrgTable: "testOrgTable",
Name: "testName",
OrgName: "testOrgName",
ColumnLength: 1,
Charset: 106,
Flag: 0,
Decimal: 1,
Type: 14,
DefaultValue: []byte{5, 2},
}
r := info.Dump(nil, nil)
exp := []byte{0x3, 0x64, 0x65, 0x66, 0xa, 0x74, 0x65, 0x73, 0x74, 0x53, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x9, 0x74, 0x65, 0x73, 0x74, 0x54, 0x61, 0x62, 0x6c, 0x65, 0xc, 0x74, 0x65, 0x73, 0x74, 0x4f, 0x72, 0x67, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x8, 0x74, 0x65, 0x73, 0x74, 0x4e, 0x61, 0x6d, 0x65, 0xb, 0x74, 0x65, 0x73, 0x74, 0x4f, 0x72, 0x67, 0x4e, 0x61, 0x6d, 0x65, 0xc, 0x6a, 0x0, 0x1, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x1, 0x0, 0x0}
require.Equal(t, exp, r)
require.Equal(t, uint16(mysql.SetFlag), DumpFlag(mysql.TypeSet, 0))
require.Equal(t, uint16(mysql.EnumFlag), DumpFlag(mysql.TypeEnum, 0))
require.Equal(t, uint16(0), DumpFlag(mysql.TypeString, 0))
require.Equal(t, mysql.TypeString, dumpType(mysql.TypeSet))
require.Equal(t, mysql.TypeString, dumpType(mysql.TypeEnum))
require.Equal(t, mysql.TypeBit, dumpType(mysql.TypeBit))
}
func TestDumpColumnWithDefault(t *testing.T) {
info := Info{
Schema: "testSchema",
Table: "testTable",
OrgTable: "testOrgTable",
Name: "testName",
OrgName: "testOrgName",
ColumnLength: 1,
Charset: 106,
Flag: 0,
Decimal: 1,
Type: 14,
DefaultValue: "test",
}
r := info.DumpWithDefault(nil, nil)
exp := []byte{0x3, 0x64, 0x65, 0x66, 0xa, 0x74, 0x65, 0x73, 0x74, 0x53, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x9, 0x74, 0x65, 0x73, 0x74, 0x54, 0x61, 0x62, 0x6c, 0x65, 0xc, 0x74, 0x65, 0x73, 0x74, 0x4f, 0x72, 0x67, 0x54, 0x61, 0x62, 0x6c, 0x65, 0x8, 0x74, 0x65, 0x73, 0x74, 0x4e, 0x61, 0x6d, 0x65, 0xb, 0x74, 0x65, 0x73, 0x74, 0x4f, 0x72, 0x67, 0x4e, 0x61, 0x6d, 0x65, 0xc, 0x6a, 0x0, 0x1, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4, 0x74, 0x65, 0x73, 0x74}
require.Equal(t, exp, r)
require.Equal(t, uint16(mysql.SetFlag), DumpFlag(mysql.TypeSet, 0))
require.Equal(t, uint16(mysql.EnumFlag), DumpFlag(mysql.TypeEnum, 0))
require.Equal(t, uint16(0), DumpFlag(mysql.TypeString, 0))
require.Equal(t, mysql.TypeString, dumpType(mysql.TypeSet))
require.Equal(t, mysql.TypeString, dumpType(mysql.TypeEnum))
require.Equal(t, mysql.TypeBit, dumpType(mysql.TypeBit))
}
func TestColumnNameLimit(t *testing.T) {
aLongName := make([]byte, 0, 300)
for i := 0; i < 300; i++ {
aLongName = append(aLongName, 'a')
}
info := Info{
Schema: "testSchema",
Table: "testTable",
OrgTable: "testOrgTable",
Name: string(aLongName),
OrgName: "testOrgName",
ColumnLength: 1,
Charset: 106,
Flag: 0,
Decimal: 1,
Type: 14,
DefaultValue: []byte{5, 2},
}
r := info.Dump(nil, nil)
exp := []byte{0x3, 0x64, 0x65, 0x66, 0xa, 0x74, 0x65, 0x73, 0x74, 0x53, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x9, 0x74, 0x65, 0x73, 0x74, 0x54, 0x61, 0x62, 0x6c, 0x65, 0xc, 0x74, 0x65, 0x73, 0x74, 0x4f, 0x72, 0x67, 0x54, 0x61, 0x62, 0x6c, 0x65, 0xfc, 0x0, 0x1, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0x61, 0xb, 0x74, 0x65, 0x73, 0x74, 0x4f, 0x72, 0x67, 0x4e, 0x61, 0x6d, 0x65, 0xc, 0x6a, 0x0, 0x1, 0x0, 0x0, 0x0, 0xe, 0x0, 0x0, 0x1, 0x0, 0x0}
require.Equal(t, exp, r)
}
func TestDumpTextValue(t *testing.T) {
columns := []*Info{{
Type: mysql.TypeLonglong,
Decimal: mysql.NotFixedDec,
}}
dp := NewResultEncoder(charset.CharsetUTF8MB4)
null := types.NewIntDatum(0)
null.SetNull()
bs, err := DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{null}).ToRow(), dp)
require.NoError(t, err)
_, isNull, _, err := util.ParseLengthEncodedBytes(bs)
require.NoError(t, err)
require.True(t, isNull)
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{types.NewIntDatum(10)}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "10", mustDecodeStr(t, bs))
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{types.NewUintDatum(11)}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "11", mustDecodeStr(t, bs))
columns[0].Flag |= uint16(mysql.UnsignedFlag)
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{types.NewUintDatum(11)}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "11", mustDecodeStr(t, bs))
columns[0].Type = mysql.TypeFloat
columns[0].Decimal = 1
f32 := types.NewFloat32Datum(1.2)
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{f32}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "1.2", mustDecodeStr(t, bs))
columns[0].Decimal = 2
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{f32}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "1.20", mustDecodeStr(t, bs))
f64 := types.NewFloat64Datum(2.2)
columns[0].Type = mysql.TypeDouble
columns[0].Decimal = 1
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{f64}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "2.2", mustDecodeStr(t, bs))
columns[0].Decimal = 2
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{f64}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "2.20", mustDecodeStr(t, bs))
columns[0].Type = mysql.TypeBlob
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{types.NewBytesDatum([]byte("foo"))}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "foo", mustDecodeStr(t, bs))
columns[0].Type = mysql.TypeVarchar
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{types.NewStringDatum("bar")}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "bar", mustDecodeStr(t, bs))
dp = NewResultEncoder("gbk")
columns[0].Type = mysql.TypeVarchar
dt := []types.Datum{types.NewStringDatum("一")}
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums(dt).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, []byte{0xd2, 0xbb}, []byte(mustDecodeStr(t, bs)))
columns[0].Charset = uint16(mysql.CharsetNameToID("gbk"))
dp = NewResultEncoder("binary")
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums(dt).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, []byte{0xd2, 0xbb}, []byte(mustDecodeStr(t, bs)))
var d types.Datum
losAngelesTz, err := time.LoadLocation("America/Los_Angeles")
require.NoError(t, err)
typeCtx := types.NewContext(types.StrictFlags.WithIgnoreZeroInDate(true), losAngelesTz, contextutil.IgnoreWarn)
time, err := types.ParseTime(typeCtx, "2017-01-05 23:59:59.575601", mysql.TypeDatetime, 0)
require.NoError(t, err)
d.SetMysqlTime(time)
columns[0].Type = mysql.TypeDatetime
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{d}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "2017-01-06 00:00:00", mustDecodeStr(t, bs))
duration, _, err := types.ParseDuration(typeCtx, "11:30:45", 0)
require.NoError(t, err)
d.SetMysqlDuration(duration)
columns[0].Type = mysql.TypeDuration
columns[0].Decimal = 0
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{d}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "11:30:45", mustDecodeStr(t, bs))
d.SetMysqlDecimal(types.NewDecFromStringForTest("1.23"))
columns[0].Type = mysql.TypeNewDecimal
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{d}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "1.23", mustDecodeStr(t, bs))
year := types.NewIntDatum(0)
columns[0].Type = mysql.TypeYear
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{year}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "0000", mustDecodeStr(t, bs))
year.SetInt64(1984)
columns[0].Type = mysql.TypeYear
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{year}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "1984", mustDecodeStr(t, bs))
enum := types.NewMysqlEnumDatum(types.Enum{Name: "ename", Value: 0})
columns[0].Type = mysql.TypeEnum
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{enum}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "ename", mustDecodeStr(t, bs))
set := types.Datum{}
set.SetMysqlSet(types.Set{Name: "sname", Value: 0}, mysql.DefaultCollationName)
columns[0].Type = mysql.TypeSet
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{set}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, "sname", mustDecodeStr(t, bs))
js := types.Datum{}
binaryJSON, err := types.ParseBinaryJSONFromString(`{"a": 1, "b": 2}`)
require.NoError(t, err)
js.SetMysqlJSON(binaryJSON)
columns[0].Type = mysql.TypeJSON
bs, err = DumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{js}).ToRow(), dp)
require.NoError(t, err)
require.Equal(t, `{"a": 1, "b": 2}`, mustDecodeStr(t, bs))
}
func mustDecodeStr(t *testing.T, b []byte) string {
str, _, _, err := util.ParseLengthEncodedBytes(b)
require.NoError(t, err)
return string(str)
}