489 lines
12 KiB
Go
489 lines
12 KiB
Go
// Copyright 2016 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 table
|
|
|
|
import (
|
|
"fmt"
|
|
"testing"
|
|
|
|
"github.com/pingcap/tidb/expression"
|
|
"github.com/pingcap/tidb/parser/ast"
|
|
"github.com/pingcap/tidb/parser/charset"
|
|
"github.com/pingcap/tidb/parser/model"
|
|
"github.com/pingcap/tidb/parser/mysql"
|
|
"github.com/pingcap/tidb/sessionctx"
|
|
"github.com/pingcap/tidb/sessionctx/stmtctx"
|
|
"github.com/pingcap/tidb/types"
|
|
"github.com/pingcap/tidb/util/collate"
|
|
"github.com/pingcap/tidb/util/mock"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestString(t *testing.T) {
|
|
col := ToColumn(&model.ColumnInfo{
|
|
FieldType: *types.NewFieldType(mysql.TypeTiny),
|
|
State: model.StatePublic,
|
|
})
|
|
col.SetFlen(2)
|
|
col.SetDecimal(1)
|
|
col.SetCharset(mysql.DefaultCharset)
|
|
col.SetCollate(mysql.DefaultCollationName)
|
|
col.AddFlag(mysql.ZerofillFlag | mysql.UnsignedFlag | mysql.BinaryFlag | mysql.AutoIncrementFlag | mysql.NotNullFlag)
|
|
|
|
require.Equal(t, "tinyint(2) unsigned zerofill", col.GetTypeDesc())
|
|
col.ToInfo()
|
|
tbInfo := &model.TableInfo{}
|
|
require.False(t, col.IsPKHandleColumn(tbInfo))
|
|
tbInfo.PKIsHandle = true
|
|
col.AddFlag(mysql.PriKeyFlag)
|
|
require.True(t, col.IsPKHandleColumn(tbInfo))
|
|
|
|
cs := col.String()
|
|
require.Greater(t, len(cs), 0)
|
|
|
|
col.SetType(mysql.TypeEnum)
|
|
col.SetFlag(0)
|
|
col.SetElems([]string{"a", "b"})
|
|
|
|
require.Equal(t, "enum('a','b')", col.GetTypeDesc())
|
|
|
|
col.SetElems([]string{"'a'", "b"})
|
|
require.Equal(t, "enum('''a''','b')", col.GetTypeDesc())
|
|
|
|
col.SetType(mysql.TypeFloat)
|
|
col.SetFlen(8)
|
|
col.SetDecimal(-1)
|
|
require.Equal(t, "float", col.GetTypeDesc())
|
|
|
|
col.SetDecimal(1)
|
|
require.Equal(t, "float(8,1)", col.GetTypeDesc())
|
|
|
|
col.SetType(mysql.TypeDatetime)
|
|
col.SetDecimal(6)
|
|
require.Equal(t, "datetime(6)", col.GetTypeDesc())
|
|
|
|
col.SetDecimal(0)
|
|
require.Equal(t, "datetime", col.GetTypeDesc())
|
|
|
|
col.SetDecimal(-1)
|
|
require.Equal(t, "datetime", col.GetTypeDesc())
|
|
}
|
|
|
|
func TestFind(t *testing.T) {
|
|
cols := []*Column{
|
|
newCol("a"),
|
|
newCol("b"),
|
|
newCol("c"),
|
|
}
|
|
c, s := FindCols(cols, []string{"a"}, true)
|
|
require.Equal(t, cols[:1], c)
|
|
require.Equal(t, "", s)
|
|
|
|
c1, s1 := FindCols(cols, []string{"d"}, true)
|
|
require.Nil(t, c1)
|
|
require.Equal(t, "d", s1)
|
|
|
|
cols[0].AddFlag(mysql.OnUpdateNowFlag)
|
|
c2 := FindOnUpdateCols(cols)
|
|
require.Equal(t, cols[:1], c2)
|
|
}
|
|
|
|
func TestCheck(t *testing.T) {
|
|
col := newCol("a")
|
|
col.SetFlag(mysql.AutoIncrementFlag)
|
|
cols := []*Column{col, col}
|
|
err := CheckOnce(cols)
|
|
require.Error(t, err)
|
|
cols = cols[:1]
|
|
err = CheckNotNull(cols, types.MakeDatums(nil))
|
|
require.NoError(t, err)
|
|
cols[0].AddFlag(mysql.NotNullFlag)
|
|
err = CheckNotNull(cols, types.MakeDatums(nil))
|
|
require.Error(t, err)
|
|
err = CheckOnce([]*Column{})
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
func TestHandleBadNull(t *testing.T) {
|
|
col := newCol("a")
|
|
sc := new(stmtctx.StatementContext)
|
|
d := types.Datum{}
|
|
err := col.HandleBadNull(&d, sc)
|
|
require.NoError(t, err)
|
|
cmp, err := d.Compare(sc, &types.Datum{}, collate.GetBinaryCollator())
|
|
require.NoError(t, err)
|
|
require.Equal(t, 0, cmp)
|
|
|
|
col.AddFlag(mysql.NotNullFlag)
|
|
err = col.HandleBadNull(&types.Datum{}, sc)
|
|
require.Error(t, err)
|
|
|
|
sc.BadNullAsWarning = true
|
|
err = col.HandleBadNull(&types.Datum{}, sc)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
func TestDesc(t *testing.T) {
|
|
col := newCol("a")
|
|
col.SetFlag(mysql.AutoIncrementFlag | mysql.NotNullFlag | mysql.PriKeyFlag)
|
|
NewColDesc(col)
|
|
col.SetFlag(mysql.MultipleKeyFlag)
|
|
NewColDesc(col)
|
|
col.SetFlag(mysql.UniqueKeyFlag | mysql.OnUpdateNowFlag)
|
|
desc := NewColDesc(col)
|
|
require.Equal(t, "DEFAULT_GENERATED on update CURRENT_TIMESTAMP", desc.Extra)
|
|
col.SetFlag(0)
|
|
col.GeneratedExprString = "test"
|
|
col.GeneratedStored = true
|
|
desc = NewColDesc(col)
|
|
require.Equal(t, "STORED GENERATED", desc.Extra)
|
|
col.GeneratedStored = false
|
|
desc = NewColDesc(col)
|
|
require.Equal(t, "VIRTUAL GENERATED", desc.Extra)
|
|
ColDescFieldNames(false)
|
|
ColDescFieldNames(true)
|
|
}
|
|
|
|
func TestGetZeroValue(t *testing.T) {
|
|
tp1 := &types.FieldType{}
|
|
tp1.SetType(mysql.TypeLonglong)
|
|
tp1.SetFlag(mysql.UnsignedFlag)
|
|
|
|
tp2 := &types.FieldType{}
|
|
tp2.SetType(mysql.TypeString)
|
|
tp2.SetFlen(2)
|
|
tp2.SetCharset(charset.CharsetBin)
|
|
tp2.SetCollate(charset.CollationBin)
|
|
|
|
tp3 := &types.FieldType{}
|
|
tp3.SetType(mysql.TypeString)
|
|
tp3.SetFlen(2)
|
|
tp3.SetCharset(charset.CharsetUTF8MB4)
|
|
tp3.SetCollate(charset.CollationBin)
|
|
|
|
tests := []struct {
|
|
ft *types.FieldType
|
|
value types.Datum
|
|
}{
|
|
{
|
|
types.NewFieldType(mysql.TypeLong),
|
|
types.NewIntDatum(0),
|
|
},
|
|
{
|
|
tp1,
|
|
types.NewUintDatum(0),
|
|
},
|
|
{
|
|
types.NewFieldType(mysql.TypeFloat),
|
|
types.NewFloat32Datum(0),
|
|
},
|
|
{
|
|
types.NewFieldType(mysql.TypeDouble),
|
|
types.NewFloat64Datum(0),
|
|
},
|
|
{
|
|
types.NewFieldType(mysql.TypeNewDecimal),
|
|
types.NewDecimalDatum(types.NewDecFromInt(0)),
|
|
},
|
|
{
|
|
types.NewFieldType(mysql.TypeVarchar),
|
|
types.NewStringDatum(""),
|
|
},
|
|
{
|
|
types.NewFieldType(mysql.TypeBlob),
|
|
types.NewStringDatum(""),
|
|
},
|
|
{
|
|
types.NewFieldType(mysql.TypeDuration),
|
|
types.NewDurationDatum(types.ZeroDuration),
|
|
},
|
|
{
|
|
types.NewFieldType(mysql.TypeDatetime),
|
|
types.NewDatum(types.ZeroDatetime),
|
|
},
|
|
{
|
|
types.NewFieldType(mysql.TypeTimestamp),
|
|
types.NewDatum(types.ZeroTimestamp),
|
|
},
|
|
{
|
|
types.NewFieldType(mysql.TypeDate),
|
|
types.NewDatum(types.ZeroDate),
|
|
},
|
|
{
|
|
types.NewFieldType(mysql.TypeBit),
|
|
types.NewMysqlBitDatum(types.ZeroBinaryLiteral),
|
|
},
|
|
{
|
|
types.NewFieldType(mysql.TypeSet),
|
|
types.NewDatum(types.Set{}),
|
|
},
|
|
{
|
|
types.NewFieldType(mysql.TypeEnum),
|
|
types.NewDatum(types.Enum{}),
|
|
},
|
|
{
|
|
tp2,
|
|
types.NewDatum(make([]byte, 2)),
|
|
},
|
|
{
|
|
tp3,
|
|
types.NewDatum(""),
|
|
},
|
|
{
|
|
types.NewFieldType(mysql.TypeJSON),
|
|
types.NewDatum(types.CreateBinaryJSON(nil)),
|
|
},
|
|
}
|
|
sc := new(stmtctx.StatementContext)
|
|
for _, tt := range tests {
|
|
t.Run(fmt.Sprintf("%+v", tt.ft), func(t *testing.T) {
|
|
colInfo := &model.ColumnInfo{FieldType: *tt.ft}
|
|
zv := GetZeroValue(colInfo)
|
|
require.Equal(t, tt.value.Kind(), zv.Kind())
|
|
cmp, err := zv.Compare(sc, &tt.value, collate.GetCollator(tt.ft.GetCollate()))
|
|
require.NoError(t, err)
|
|
require.Equal(t, 0, cmp)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestCastValue(t *testing.T) {
|
|
ctx := mock.NewContext()
|
|
colInfo := model.ColumnInfo{
|
|
FieldType: *types.NewFieldType(mysql.TypeLong),
|
|
State: model.StatePublic,
|
|
}
|
|
colInfo.SetCharset(mysql.UTF8Charset)
|
|
val, err := CastValue(ctx, types.Datum{}, &colInfo, false, false)
|
|
require.NoError(t, err)
|
|
require.Equal(t, int64(0), val.GetInt64())
|
|
|
|
val, err = CastValue(ctx, types.NewDatum("test"), &colInfo, false, false)
|
|
require.Error(t, err)
|
|
require.Equal(t, int64(0), val.GetInt64())
|
|
|
|
colInfoS := model.ColumnInfo{
|
|
FieldType: *types.NewFieldType(mysql.TypeString),
|
|
State: model.StatePublic,
|
|
}
|
|
val, err = CastValue(ctx, types.NewDatum("test"), &colInfoS, false, false)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, val)
|
|
|
|
colInfoS.SetCharset(mysql.UTF8Charset)
|
|
_, err = CastValue(ctx, types.NewDatum([]byte{0xf0, 0x9f, 0x8c, 0x80}), &colInfoS, false, false)
|
|
require.Error(t, err)
|
|
|
|
colInfoS.SetCharset(mysql.UTF8Charset)
|
|
_, err = CastValue(ctx, types.NewDatum([]byte{0xf0, 0x9f, 0x8c, 0x80}), &colInfoS, false, true)
|
|
require.NoError(t, err)
|
|
|
|
colInfoS.SetCharset(mysql.UTF8MB4Charset)
|
|
_, err = CastValue(ctx, types.NewDatum([]byte{0xf0, 0x9f, 0x80}), &colInfoS, false, false)
|
|
require.Error(t, err)
|
|
|
|
colInfoS.SetCharset(mysql.UTF8MB4Charset)
|
|
_, err = CastValue(ctx, types.NewDatum([]byte{0xf0, 0x9f, 0x80}), &colInfoS, false, true)
|
|
require.NoError(t, err)
|
|
|
|
colInfoS.SetCharset(charset.CharsetASCII)
|
|
_, err = CastValue(ctx, types.NewDatum([]byte{0x32, 0xf0}), &colInfoS, false, false)
|
|
require.Error(t, err)
|
|
|
|
colInfoS.SetCharset(charset.CharsetASCII)
|
|
_, err = CastValue(ctx, types.NewDatum([]byte{0x32, 0xf0}), &colInfoS, false, true)
|
|
require.NoError(t, err)
|
|
|
|
colInfoS.SetCharset(charset.CharsetUTF8MB4)
|
|
colInfoS.SetCollate("utf8mb4_general_ci")
|
|
val, err = CastValue(ctx, types.NewBinaryLiteralDatum([]byte{0xE5, 0xA5, 0xBD}), &colInfoS, false, false)
|
|
require.NoError(t, err)
|
|
require.Equal(t, "utf8mb4_general_ci", val.Collation())
|
|
val, err = CastValue(ctx, types.NewBinaryLiteralDatum([]byte{0xE5, 0xA5, 0xBD, 0x81}), &colInfoS, false, false)
|
|
require.Error(t, err, "[table:1366]Incorrect string value '\\x81' for column ''")
|
|
require.Equal(t, "utf8mb4_general_ci", val.Collation())
|
|
val, err = CastValue(ctx, types.NewDatum([]byte{0xE5, 0xA5, 0xBD, 0x81}), &colInfoS, false, false)
|
|
require.Error(t, err, "[table:1366]Incorrect string value '\\x81' for column ''")
|
|
require.Equal(t, "utf8mb4_general_ci", val.Collation())
|
|
}
|
|
|
|
func TestGetDefaultValue(t *testing.T) {
|
|
var nilDt types.Datum
|
|
nilDt.SetNull()
|
|
ctx := mock.NewContext()
|
|
zeroTimestamp := types.ZeroTimestamp
|
|
timestampValue := types.NewTime(types.FromDate(2019, 5, 6, 12, 48, 49, 0), mysql.TypeTimestamp, types.DefaultFsp)
|
|
|
|
tp0 := types.FieldType{}
|
|
tp0.SetType(mysql.TypeLonglong)
|
|
|
|
tp1 := types.FieldType{}
|
|
tp1.SetType(mysql.TypeLonglong)
|
|
tp1.SetFlag(mysql.NotNullFlag)
|
|
|
|
tp2 := types.FieldType{}
|
|
tp2.SetType(mysql.TypeEnum)
|
|
tp2.SetFlag(mysql.NotNullFlag)
|
|
tp2.SetElems([]string{"abc", "def"})
|
|
tp2.SetCollate(mysql.DefaultCollationName)
|
|
|
|
tp3 := types.FieldType{}
|
|
tp3.SetType(mysql.TypeTimestamp)
|
|
tp3.SetFlag(mysql.TimestampFlag)
|
|
|
|
tp4 := types.FieldType{}
|
|
tp4.SetType(mysql.TypeLonglong)
|
|
tp4.SetFlag(mysql.NotNullFlag | mysql.AutoIncrementFlag)
|
|
|
|
tests := []struct {
|
|
colInfo *model.ColumnInfo
|
|
strict bool
|
|
val types.Datum
|
|
err error
|
|
}{
|
|
{
|
|
&model.ColumnInfo{
|
|
FieldType: tp1,
|
|
OriginDefaultValue: 1.0,
|
|
DefaultValue: 1.0,
|
|
},
|
|
false,
|
|
types.NewIntDatum(1),
|
|
nil,
|
|
},
|
|
{
|
|
&model.ColumnInfo{
|
|
FieldType: tp1,
|
|
},
|
|
false,
|
|
types.NewIntDatum(0),
|
|
nil,
|
|
},
|
|
{
|
|
&model.ColumnInfo{
|
|
FieldType: tp0,
|
|
},
|
|
false,
|
|
types.Datum{},
|
|
nil,
|
|
},
|
|
{
|
|
&model.ColumnInfo{
|
|
FieldType: tp2,
|
|
},
|
|
false,
|
|
types.NewMysqlEnumDatum(types.Enum{Name: "abc", Value: 1}),
|
|
nil,
|
|
},
|
|
{
|
|
&model.ColumnInfo{
|
|
FieldType: tp3,
|
|
OriginDefaultValue: "0000-00-00 00:00:00",
|
|
DefaultValue: "0000-00-00 00:00:00",
|
|
},
|
|
false,
|
|
types.NewDatum(zeroTimestamp),
|
|
nil,
|
|
},
|
|
{
|
|
&model.ColumnInfo{
|
|
FieldType: tp3,
|
|
OriginDefaultValue: timestampValue.String(),
|
|
DefaultValue: timestampValue.String(),
|
|
},
|
|
true,
|
|
types.NewDatum(timestampValue),
|
|
nil,
|
|
},
|
|
{
|
|
&model.ColumnInfo{
|
|
FieldType: tp3,
|
|
OriginDefaultValue: "not valid date",
|
|
DefaultValue: "not valid date",
|
|
},
|
|
true,
|
|
types.NewDatum(zeroTimestamp),
|
|
errGetDefaultFailed,
|
|
},
|
|
{
|
|
&model.ColumnInfo{
|
|
FieldType: tp1,
|
|
},
|
|
true,
|
|
types.NewDatum(zeroTimestamp),
|
|
ErrNoDefaultValue,
|
|
},
|
|
{
|
|
&model.ColumnInfo{
|
|
FieldType: tp4,
|
|
},
|
|
true,
|
|
types.NewIntDatum(0),
|
|
nil,
|
|
},
|
|
{
|
|
&model.ColumnInfo{
|
|
FieldType: tp1,
|
|
DefaultIsExpr: true,
|
|
DefaultValue: "1",
|
|
},
|
|
false,
|
|
nilDt,
|
|
nil,
|
|
},
|
|
}
|
|
|
|
exp := expression.EvalAstExpr
|
|
expression.EvalAstExpr = func(sctx sessionctx.Context, expr ast.ExprNode) (types.Datum, error) {
|
|
return types.NewIntDatum(1), nil
|
|
}
|
|
defer func() {
|
|
expression.EvalAstExpr = exp
|
|
}()
|
|
|
|
for _, tt := range tests {
|
|
ctx.GetSessionVars().StmtCtx.BadNullAsWarning = !tt.strict
|
|
val, err := GetColDefaultValue(ctx, tt.colInfo)
|
|
if err != nil {
|
|
require.Errorf(t, tt.err, "%v", err)
|
|
continue
|
|
}
|
|
if tt.colInfo.DefaultIsExpr {
|
|
require.Equal(t, types.NewIntDatum(1), val)
|
|
} else {
|
|
require.Equal(t, tt.val, val)
|
|
}
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
ctx.GetSessionVars().StmtCtx.BadNullAsWarning = !tt.strict
|
|
val, err := GetColOriginDefaultValue(ctx, tt.colInfo)
|
|
if err != nil {
|
|
require.Errorf(t, tt.err, "%v", err)
|
|
continue
|
|
}
|
|
if !tt.colInfo.DefaultIsExpr {
|
|
require.Equal(t, tt.val, val)
|
|
}
|
|
}
|
|
}
|
|
|
|
func newCol(name string) *Column {
|
|
return ToColumn(&model.ColumnInfo{
|
|
Name: model.NewCIStr(name),
|
|
State: model.StatePublic,
|
|
})
|
|
}
|