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distsql_builtin_test.go
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// Copyright 2017 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package expression
import (
"time"
. "github.com/pingcap/check"
"github.com/pingcap/parser/charset"
"github.com/pingcap/parser/mysql"
"github.com/pingcap/tidb/sessionctx/stmtctx"
"github.com/pingcap/tidb/types"
"github.com/pingcap/tidb/types/json"
"github.com/pingcap/tidb/util/chunk"
"github.com/pingcap/tidb/util/codec"
"github.com/pingcap/tidb/util/collate"
"github.com/pingcap/tipb/go-tipb"
)
var _ = Suite(&testEvalSuite{})
var _ = SerialSuites(&testEvalSerialSuite{})
type testEvalSuite struct {
colID int64
}
type testEvalSerialSuite struct {
}
func (s *testEvalSerialSuite) TestPBToExprWithNewCollation(c *C) {
sc := new(stmtctx.StatementContext)
fieldTps := make([]*types.FieldType, 1)
cases := []struct {
name string
expName string
id int32
pbID int32
}{
{"utf8_general_ci", "utf8_general_ci", 33, 33},
{"UTF8MB4_BIN", "utf8mb4_bin", 46, 46},
{"utf8mb4_bin", "utf8mb4_bin", 46, 46},
{"utf8mb4_general_ci", "utf8mb4_general_ci", 45, 45},
{"", "utf8mb4_bin", 46, 46},
{"some_error_collation", "utf8mb4_bin", 46, 46},
}
for _, cs := range cases {
ft := types.NewFieldType(mysql.TypeString)
ft.Collate = cs.name
expr := new(tipb.Expr)
expr.Tp = tipb.ExprType_String
expr.FieldType = toPBFieldType(ft)
c.Assert(expr.FieldType.Collate, Equals, cs.pbID)
e, err := PBToExpr(expr, fieldTps, sc)
c.Assert(err, IsNil)
cons, ok := e.(*Constant)
c.Assert(ok, IsTrue)
c.Assert(cons.Value.Collation(), Equals, cs.expName)
}
collate.SetNewCollationEnabledForTest(true)
defer collate.SetNewCollationEnabledForTest(false)
for _, cs := range cases {
ft := types.NewFieldType(mysql.TypeString)
ft.Collate = cs.name
expr := new(tipb.Expr)
expr.Tp = tipb.ExprType_String
expr.FieldType = toPBFieldType(ft)
c.Assert(expr.FieldType.Collate, Equals, -cs.pbID)
e, err := PBToExpr(expr, fieldTps, sc)
c.Assert(err, IsNil)
cons, ok := e.(*Constant)
c.Assert(ok, IsTrue)
c.Assert(cons.Value.Collation(), Equals, cs.expName)
}
}
func (s *testEvalSuite) SetUpSuite(c *C) {
s.colID = 0
}
func (s *testEvalSuite) allocColID() int64 {
s.colID++
return s.colID
}
func (s *testEvalSuite) TearDownTest(c *C) {
s.colID = 0
}
func (s *testEvalSuite) TestPBToExpr(c *C) {
sc := new(stmtctx.StatementContext)
fieldTps := make([]*types.FieldType, 1)
ds := []types.Datum{types.NewIntDatum(1), types.NewUintDatum(1), types.NewFloat64Datum(1),
types.NewDecimalDatum(newMyDecimal(c, "1")), types.NewDurationDatum(newDuration(time.Second))}
for _, d := range ds {
expr := datumExpr(c, d)
expr.Val = expr.Val[:len(expr.Val)/2]
_, err := PBToExpr(expr, fieldTps, sc)
c.Assert(err, NotNil)
}
expr := &tipb.Expr{
Tp: tipb.ExprType_ScalarFunc,
Children: []*tipb.Expr{
{
Tp: tipb.ExprType_ValueList,
},
},
}
_, err := PBToExpr(expr, fieldTps, sc)
c.Assert(err, IsNil)
val := make([]byte, 0, 32)
val = codec.EncodeInt(val, 1)
expr = &tipb.Expr{
Tp: tipb.ExprType_ScalarFunc,
Children: []*tipb.Expr{
{
Tp: tipb.ExprType_ValueList,
Val: val[:len(val)/2],
},
},
}
_, err = PBToExpr(expr, fieldTps, sc)
c.Assert(err, NotNil)
expr = &tipb.Expr{
Tp: tipb.ExprType_ScalarFunc,
Children: []*tipb.Expr{
{
Tp: tipb.ExprType_ValueList,
Val: val,
},
},
Sig: tipb.ScalarFuncSig_AbsInt,
FieldType: ToPBFieldType(newIntFieldType()),
}
_, err = PBToExpr(expr, fieldTps, sc)
c.Assert(err, NotNil)
}
// TestEval test expr.Eval().
func (s *testEvalSuite) TestEval(c *C) {
row := chunk.MutRowFromDatums([]types.Datum{types.NewDatum(100)}).ToRow()
fieldTps := make([]*types.FieldType, 1)
fieldTps[0] = types.NewFieldType(mysql.TypeLonglong)
tests := []struct {
expr *tipb.Expr
result types.Datum
}{
// Datums.
{
datumExpr(c, types.NewFloat32Datum(1.1)),
types.NewFloat32Datum(1.1),
},
{
datumExpr(c, types.NewFloat64Datum(1.1)),
types.NewFloat64Datum(1.1),
},
{
datumExpr(c, types.NewIntDatum(1)),
types.NewIntDatum(1),
},
{
datumExpr(c, types.NewUintDatum(1)),
types.NewUintDatum(1),
},
{
datumExpr(c, types.NewBytesDatum([]byte("abc"))),
types.NewBytesDatum([]byte("abc")),
},
{
datumExpr(c, types.NewStringDatum("abc")),
types.NewStringDatum("abc"),
},
{
datumExpr(c, types.Datum{}),
types.Datum{},
},
{
datumExpr(c, types.NewDurationDatum(types.Duration{Duration: time.Hour})),
types.NewDurationDatum(types.Duration{Duration: time.Hour}),
},
{
datumExpr(c, types.NewDecimalDatum(types.NewDecFromFloatForTest(1.1))),
types.NewDecimalDatum(types.NewDecFromFloatForTest(1.1)),
},
// Columns.
{
columnExpr(0),
types.NewIntDatum(100),
},
// Scalar Functions.
{
scalarFunctionExpr(tipb.ScalarFuncSig_JsonDepthSig,
toPBFieldType(newIntFieldType()),
jsonDatumExpr(c, `true`),
),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_JsonDepthSig,
toPBFieldType(newIntFieldType()),
jsonDatumExpr(c, `[10, {"a": 20}]`),
),
types.NewIntDatum(3),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_JsonStorageSizeSig,
toPBFieldType(newIntFieldType()),
jsonDatumExpr(c, `[{"a":{"a":1},"b":2}]`),
),
types.NewIntDatum(25),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_JsonSearchSig,
toPBFieldType(newJSONFieldType()),
jsonDatumExpr(c, `["abc", [{"k": "10"}, "def"], {"x":"abc"}, {"y":"bcd"}]`),
datumExpr(c, types.NewBytesDatum([]byte(`all`))),
datumExpr(c, types.NewBytesDatum([]byte(`10`))),
datumExpr(c, types.NewBytesDatum([]byte(`\`))),
datumExpr(c, types.NewBytesDatum([]byte(`$**.k`))),
),
newJSONDatum(c, `"$[1][0].k"`),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastIntAsInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(2333))),
types.NewIntDatum(2333),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastRealAsInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewFloat64Datum(2333))),
types.NewIntDatum(2333),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastStringAsInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewStringDatum("2333"))),
types.NewIntDatum(2333),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastDecimalAsInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "2333")))),
types.NewIntDatum(2333),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastIntAsReal,
toPBFieldType(newRealFieldType()), datumExpr(c, types.NewIntDatum(2333))),
types.NewFloat64Datum(2333),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastRealAsReal,
toPBFieldType(newRealFieldType()), datumExpr(c, types.NewFloat64Datum(2333))),
types.NewFloat64Datum(2333),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastStringAsReal,
toPBFieldType(newRealFieldType()), datumExpr(c, types.NewStringDatum("2333"))),
types.NewFloat64Datum(2333),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastDecimalAsReal,
toPBFieldType(newRealFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "2333")))),
types.NewFloat64Datum(2333),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastStringAsString,
toPBFieldType(newStringFieldType()), datumExpr(c, types.NewStringDatum("2333"))),
types.NewStringDatum("2333"),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastIntAsString,
toPBFieldType(newStringFieldType()), datumExpr(c, types.NewIntDatum(2333))),
types.NewStringDatum("2333"),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastRealAsString,
toPBFieldType(newStringFieldType()), datumExpr(c, types.NewFloat64Datum(2333))),
types.NewStringDatum("2333"),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastDecimalAsString,
toPBFieldType(newStringFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "2333")))),
types.NewStringDatum("2333"),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastDecimalAsDecimal,
toPBFieldType(newDecimalFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "2333")))),
types.NewDecimalDatum(newMyDecimal(c, "2333")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastIntAsDecimal,
toPBFieldType(newDecimalFieldType()), datumExpr(c, types.NewIntDatum(2333))),
types.NewDecimalDatum(newMyDecimal(c, "2333")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastRealAsDecimal,
toPBFieldType(newDecimalFieldType()), datumExpr(c, types.NewFloat64Datum(2333))),
types.NewDecimalDatum(newMyDecimal(c, "2333")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastStringAsDecimal,
toPBFieldType(newDecimalFieldType()), datumExpr(c, types.NewStringDatum("2333"))),
types.NewDecimalDatum(newMyDecimal(c, "2333")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_GEInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(2)), datumExpr(c, types.NewIntDatum(1))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_LEInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(1)), datumExpr(c, types.NewIntDatum(2))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_NEInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(1)), datumExpr(c, types.NewIntDatum(2))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_NullEQInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDatum(nil)), datumExpr(c, types.NewDatum(nil))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_GEReal,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewFloat64Datum(2)), datumExpr(c, types.NewFloat64Datum(1))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_LEReal,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewFloat64Datum(1)), datumExpr(c, types.NewFloat64Datum(2))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_LTReal,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewFloat64Datum(1)), datumExpr(c, types.NewFloat64Datum(2))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_EQReal,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewFloat64Datum(1)), datumExpr(c, types.NewFloat64Datum(1))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_NEReal,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewFloat64Datum(1)), datumExpr(c, types.NewFloat64Datum(2))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_NullEQReal,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDatum(nil)), datumExpr(c, types.NewDatum(nil))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_GEDecimal,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "2"))), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1")))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_LEDecimal,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1"))), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "2")))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_LTDecimal,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1"))), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "2")))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_EQDecimal,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1"))), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1")))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_NEDecimal,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1"))), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "2")))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_NullEQDecimal,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDatum(nil)), datumExpr(c, types.NewDatum(nil))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_GEDuration,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDurationDatum(newDuration(time.Second*2))), datumExpr(c, types.NewDurationDatum(newDuration(time.Second)))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_GTDuration,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDurationDatum(newDuration(time.Second*2))), datumExpr(c, types.NewDurationDatum(newDuration(time.Second)))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_EQDuration,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDurationDatum(newDuration(time.Second))), datumExpr(c, types.NewDurationDatum(newDuration(time.Second)))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_LEDuration,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDurationDatum(newDuration(time.Second))), datumExpr(c, types.NewDurationDatum(newDuration(time.Second*2)))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_NEDuration,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDurationDatum(newDuration(time.Second))), datumExpr(c, types.NewDurationDatum(newDuration(time.Second*2)))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_NullEQDuration,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDatum(nil)), datumExpr(c, types.NewDatum(nil))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_GEString,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewStringDatum("1")), datumExpr(c, types.NewStringDatum("1"))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_LEString,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewStringDatum("1")), datumExpr(c, types.NewStringDatum("1"))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_NEString,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewStringDatum("2")), datumExpr(c, types.NewStringDatum("1"))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_NullEQString,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDatum(nil)), datumExpr(c, types.NewDatum(nil))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_GTJson,
toPBFieldType(newIntFieldType()), jsonDatumExpr(c, "[2]"), jsonDatumExpr(c, "[1]")),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_GEJson,
toPBFieldType(newIntFieldType()), jsonDatumExpr(c, "[2]"), jsonDatumExpr(c, "[1]")),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_LTJson,
toPBFieldType(newIntFieldType()), jsonDatumExpr(c, "[1]"), jsonDatumExpr(c, "[2]")),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_LEJson,
toPBFieldType(newIntFieldType()), jsonDatumExpr(c, "[1]"), jsonDatumExpr(c, "[2]")),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_EQJson,
toPBFieldType(newIntFieldType()), jsonDatumExpr(c, "[1]"), jsonDatumExpr(c, "[1]")),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_NEJson,
toPBFieldType(newIntFieldType()), jsonDatumExpr(c, "[1]"), jsonDatumExpr(c, "[2]")),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_NullEQJson,
toPBFieldType(newIntFieldType()), jsonDatumExpr(c, "[1]"), jsonDatumExpr(c, "[1]")),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_DecimalIsNull,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDatum(nil))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_DurationIsNull,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDatum(nil))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_RealIsNull,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDatum(nil))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_LeftShift,
ToPBFieldType(newIntFieldType()), datumExpr(c, types.NewDatum(1)), datumExpr(c, types.NewIntDatum(1))),
types.NewIntDatum(2),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_AbsInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(-1))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_AbsUInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewUintDatum(1))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_AbsReal,
toPBFieldType(newRealFieldType()), datumExpr(c, types.NewFloat64Datum(-1.23))),
types.NewFloat64Datum(1.23),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_AbsDecimal,
toPBFieldType(newDecimalFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "-1.23")))),
types.NewDecimalDatum(newMyDecimal(c, "1.23")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_LogicalAnd,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(1)), datumExpr(c, types.NewIntDatum(1))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_LogicalOr,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(1)), datumExpr(c, types.NewIntDatum(0))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_LogicalXor,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(1)), datumExpr(c, types.NewIntDatum(0))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_BitAndSig,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(1)), datumExpr(c, types.NewIntDatum(1))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_BitOrSig,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(1)), datumExpr(c, types.NewIntDatum(0))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_BitXorSig,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(1)), datumExpr(c, types.NewIntDatum(0))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_BitNegSig,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(0))),
types.NewIntDatum(-1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_InReal,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewFloat64Datum(1)), datumExpr(c, types.NewFloat64Datum(1))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_InDecimal,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1"))), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1")))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_InString,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewStringDatum("1")), datumExpr(c, types.NewStringDatum("1"))),
types.NewIntDatum(1),
},
//{
// scalarFunctionExpr(tipb.ScalarFuncSig_InTime,
// toPBFieldType(newIntFieldType()), datumExpr(c, types.NewTimeDatum(types.ZeroDate)), datumExpr(c, types.NewTimeDatum(types.ZeroDate))),
// types.NewIntDatum(1),
//},
{
scalarFunctionExpr(tipb.ScalarFuncSig_InDuration,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDurationDatum(newDuration(time.Second))), datumExpr(c, types.NewDurationDatum(newDuration(time.Second)))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_IfNullInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDatum(nil)), datumExpr(c, types.NewIntDatum(1))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_IfInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(1)), datumExpr(c, types.NewIntDatum(2))),
types.NewIntDatum(2),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_IfNullReal,
toPBFieldType(newRealFieldType()), datumExpr(c, types.NewDatum(nil)), datumExpr(c, types.NewFloat64Datum(1))),
types.NewFloat64Datum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_IfReal,
toPBFieldType(newRealFieldType()), datumExpr(c, types.NewFloat64Datum(1)), datumExpr(c, types.NewFloat64Datum(2))),
types.NewFloat64Datum(2),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_IfNullDecimal,
toPBFieldType(newDecimalFieldType()), datumExpr(c, types.NewDatum(nil)), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1")))),
types.NewDecimalDatum(newMyDecimal(c, "1")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_IfDecimal,
toPBFieldType(newDecimalFieldType()), datumExpr(c, types.NewIntDatum(1)), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "2")))),
types.NewDecimalDatum(newMyDecimal(c, "2")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_IfNullString,
toPBFieldType(newStringFieldType()), datumExpr(c, types.NewDatum(nil)), datumExpr(c, types.NewStringDatum("1"))),
types.NewStringDatum("1"),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_IfString,
toPBFieldType(newStringFieldType()), datumExpr(c, types.NewIntDatum(1)), datumExpr(c, types.NewStringDatum("2"))),
types.NewStringDatum("2"),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_IfNullDuration,
toPBFieldType(newDurFieldType()), datumExpr(c, types.NewDatum(nil)), datumExpr(c, types.NewDurationDatum(newDuration(time.Second)))),
types.NewDurationDatum(newDuration(time.Second)),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_IfDuration,
toPBFieldType(newDurFieldType()), datumExpr(c, types.NewIntDatum(1)), datumExpr(c, types.NewDurationDatum(newDuration(time.Second*2)))),
types.NewDurationDatum(newDuration(time.Second * 2)),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastIntAsDuration,
toPBFieldType(newDurFieldType()), datumExpr(c, types.NewIntDatum(1))),
types.NewDurationDatum(newDuration(time.Second * 1)),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastRealAsDuration,
toPBFieldType(newDurFieldType()), datumExpr(c, types.NewFloat64Datum(1))),
types.NewDurationDatum(newDuration(time.Second * 1)),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastDecimalAsDuration,
toPBFieldType(newDurFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1")))),
types.NewDurationDatum(newDuration(time.Second * 1)),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastDurationAsDuration,
toPBFieldType(newDurFieldType()), datumExpr(c, types.NewDurationDatum(newDuration(time.Second*1)))),
types.NewDurationDatum(newDuration(time.Second * 1)),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastStringAsDuration,
toPBFieldType(newDurFieldType()), datumExpr(c, types.NewStringDatum("1"))),
types.NewDurationDatum(newDuration(time.Second * 1)),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastTimeAsTime,
toPBFieldType(newDateFieldType()), datumExpr(c, types.NewTimeDatum(newDateTime(c, "2000-01-01")))),
types.NewTimeDatum(newDateTime(c, "2000-01-01")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastIntAsTime,
toPBFieldType(newDateFieldType()), datumExpr(c, types.NewIntDatum(20000101))),
types.NewTimeDatum(newDateTime(c, "2000-01-01")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastRealAsTime,
toPBFieldType(newDateFieldType()), datumExpr(c, types.NewFloat64Datum(20000101))),
types.NewTimeDatum(newDateTime(c, "2000-01-01")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastDecimalAsTime,
toPBFieldType(newDateFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "20000101")))),
types.NewTimeDatum(newDateTime(c, "2000-01-01")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CastStringAsTime,
toPBFieldType(newDateFieldType()), datumExpr(c, types.NewStringDatum("20000101"))),
types.NewTimeDatum(newDateTime(c, "2000-01-01")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_PlusInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(1)), datumExpr(c, types.NewIntDatum(2))),
types.NewIntDatum(3),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_PlusDecimal,
toPBFieldType(newDecimalFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1"))), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "2")))),
types.NewDecimalDatum(newMyDecimal(c, "3")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_PlusReal,
toPBFieldType(newRealFieldType()), datumExpr(c, types.NewFloat64Datum(1)), datumExpr(c, types.NewFloat64Datum(2))),
types.NewFloat64Datum(3),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_MinusInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(1)), datumExpr(c, types.NewIntDatum(2))),
types.NewIntDatum(-1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_MinusDecimal,
toPBFieldType(newDecimalFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1"))), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "2")))),
types.NewDecimalDatum(newMyDecimal(c, "-1")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_MinusReal,
toPBFieldType(newRealFieldType()), datumExpr(c, types.NewFloat64Datum(1)), datumExpr(c, types.NewFloat64Datum(2))),
types.NewFloat64Datum(-1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_MultiplyInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(1)), datumExpr(c, types.NewIntDatum(2))),
types.NewIntDatum(2),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_MultiplyDecimal,
toPBFieldType(newDecimalFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1"))), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "2")))),
types.NewDecimalDatum(newMyDecimal(c, "2")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_MultiplyReal,
toPBFieldType(newRealFieldType()), datumExpr(c, types.NewFloat64Datum(1)), datumExpr(c, types.NewFloat64Datum(2))),
types.NewFloat64Datum(2),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CeilIntToInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(1))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CeilIntToDec,
toPBFieldType(newDecimalFieldType()), datumExpr(c, types.NewIntDatum(1))),
types.NewDecimalDatum(newMyDecimal(c, "1")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CeilDecToInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1")))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CeilReal,
toPBFieldType(newRealFieldType()), datumExpr(c, types.NewFloat64Datum(1))),
types.NewFloat64Datum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_FloorIntToInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(1))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_FloorIntToDec,
toPBFieldType(newDecimalFieldType()), datumExpr(c, types.NewIntDatum(1))),
types.NewDecimalDatum(newMyDecimal(c, "1")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_FloorDecToInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1")))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_FloorReal,
toPBFieldType(newRealFieldType()), datumExpr(c, types.NewFloat64Datum(1))),
types.NewFloat64Datum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CoalesceInt,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewIntDatum(1))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CoalesceReal,
toPBFieldType(newRealFieldType()), datumExpr(c, types.NewFloat64Datum(1))),
types.NewFloat64Datum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CoalesceDecimal,
toPBFieldType(newDecimalFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1")))),
types.NewDecimalDatum(newMyDecimal(c, "1")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CoalesceString,
toPBFieldType(newStringFieldType()), datumExpr(c, types.NewStringDatum("1"))),
types.NewStringDatum("1"),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CoalesceDuration,
toPBFieldType(newDurFieldType()), datumExpr(c, types.NewDurationDatum(newDuration(time.Second)))),
types.NewDurationDatum(newDuration(time.Second)),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CoalesceTime,
toPBFieldType(newDateFieldType()), datumExpr(c, types.NewTimeDatum(newDateTime(c, "2000-01-01")))),
types.NewTimeDatum(newDateTime(c, "2000-01-01")),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CaseWhenInt,
toPBFieldType(newIntFieldType())),
types.NewDatum(nil),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CaseWhenReal,
toPBFieldType(newRealFieldType())),
types.NewDatum(nil),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CaseWhenDecimal,
toPBFieldType(newDecimalFieldType())),
types.NewDatum(nil),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CaseWhenDuration,
toPBFieldType(newDurFieldType())),
types.NewDatum(nil),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CaseWhenTime,
toPBFieldType(newDateFieldType())),
types.NewDatum(nil),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_CaseWhenJson,
toPBFieldType(newJSONFieldType())),
types.NewDatum(nil),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_RealIsFalse,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewFloat64Datum(1))),
types.NewIntDatum(0),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_DecimalIsFalse,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1")))),
types.NewIntDatum(0),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_RealIsTrue,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewFloat64Datum(1))),
types.NewIntDatum(1),
},
{
scalarFunctionExpr(tipb.ScalarFuncSig_DecimalIsTrue,
toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDecimalDatum(newMyDecimal(c, "1")))),
types.NewIntDatum(1),
},
}
sc := new(stmtctx.StatementContext)
for _, tt := range tests {
expr, err := PBToExpr(tt.expr, fieldTps, sc)
c.Assert(err, IsNil)
result, err := expr.Eval(row)
c.Assert(err, IsNil)
c.Assert(result.Kind(), Equals, tt.result.Kind())
cmp, err := result.CompareDatum(sc, &tt.result)
c.Assert(err, IsNil)
c.Assert(cmp, Equals, 0)
}
}
func datumExpr(c *C, d types.Datum) *tipb.Expr {
expr := new(tipb.Expr)
switch d.Kind() {
case types.KindInt64:
expr.Tp = tipb.ExprType_Int64
expr.Val = codec.EncodeInt(nil, d.GetInt64())
case types.KindUint64:
expr.Tp = tipb.ExprType_Uint64
expr.Val = codec.EncodeUint(nil, d.GetUint64())
case types.KindString:
expr.Tp = tipb.ExprType_String
expr.FieldType = toPBFieldType(types.NewFieldType(mysql.TypeString))
expr.Val = d.GetBytes()
case types.KindBytes:
expr.Tp = tipb.ExprType_Bytes
expr.Val = d.GetBytes()
case types.KindFloat32:
expr.Tp = tipb.ExprType_Float32
expr.Val = codec.EncodeFloat(nil, d.GetFloat64())
case types.KindFloat64:
expr.Tp = tipb.ExprType_Float64
expr.Val = codec.EncodeFloat(nil, d.GetFloat64())
case types.KindMysqlDuration:
expr.Tp = tipb.ExprType_MysqlDuration
expr.Val = codec.EncodeInt(nil, int64(d.GetMysqlDuration().Duration))
case types.KindMysqlDecimal:
expr.Tp = tipb.ExprType_MysqlDecimal
var err error
expr.Val, err = codec.EncodeDecimal(nil, d.GetMysqlDecimal(), d.Length(), d.Frac())
c.Assert(err, IsNil)
case types.KindMysqlJSON:
expr.Tp = tipb.ExprType_MysqlJson
var err error
expr.Val = make([]byte, 0, 1024)
expr.Val, err = codec.EncodeValue(nil, expr.Val, d)
c.Assert(err, IsNil)
case types.KindMysqlTime:
expr.Tp = tipb.ExprType_MysqlTime
var err error
expr.Val, err = codec.EncodeMySQLTime(nil, d.GetMysqlTime(), mysql.TypeUnspecified, nil)
c.Assert(err, IsNil)
expr.FieldType = ToPBFieldType(newDateFieldType())
default:
expr.Tp = tipb.ExprType_Null
}
return expr
}
func newJSONDatum(c *C, s string) (d types.Datum) {
j, err := json.ParseBinaryFromString(s)
c.Assert(err, IsNil)
d.SetMysqlJSON(j)
return d
}
func jsonDatumExpr(c *C, s string) *tipb.Expr {
return datumExpr(c, newJSONDatum(c, s))
}
func columnExpr(columnID int64) *tipb.Expr {
expr := new(tipb.Expr)
expr.Tp = tipb.ExprType_ColumnRef
expr.Val = codec.EncodeInt(nil, columnID)
return expr
}
// toPBFieldType converts *types.FieldType to *tipb.FieldType.
func toPBFieldType(ft *types.FieldType) *tipb.FieldType {
return &tipb.FieldType{
Tp: int32(ft.Tp),
Flag: uint32(ft.Flag),
Flen: int32(ft.Flen),
Decimal: int32(ft.Decimal),
Charset: ft.Charset,
Collate: collationToProto(ft.Collate),
}
}
func newMyDecimal(c *C, s string) *types.MyDecimal {
d := new(types.MyDecimal)
c.Assert(d.FromString([]byte(s)), IsNil)
return d
}
func newDuration(dur time.Duration) types.Duration {
return types.Duration{
Duration: dur,
Fsp: types.DefaultFsp,
}
}
func newDateTime(c *C, s string) types.Time {
t, err := types.ParseDate(nil, s)
c.Assert(err, IsNil)
return t
}
func newDateFieldType() *types.FieldType {
return &types.FieldType{
Tp: mysql.TypeDate,
}
}
func newIntFieldType() *types.FieldType {
return &types.FieldType{
Tp: mysql.TypeLonglong,
Flen: mysql.MaxIntWidth,
Decimal: 0,
Flag: mysql.BinaryFlag,
}
}
func newDurFieldType() *types.FieldType {
return &types.FieldType{
Tp: mysql.TypeDuration,
Decimal: int(types.DefaultFsp),
}
}
func newStringFieldType() *types.FieldType {
return &types.FieldType{
Tp: mysql.TypeVarString,
Flen: types.UnspecifiedLength,
}
}
func newRealFieldType() *types.FieldType {
return &types.FieldType{
Tp: mysql.TypeFloat,
Flen: types.UnspecifiedLength,
}
}
func newDecimalFieldType() *types.FieldType {