/
expr_to_pb_test.go
1636 lines (1406 loc) · 78.9 KB
/
expr_to_pb_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,
// 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 expression
import (
"encoding/json"
"fmt"
"strings"
"testing"
"github.com/gogo/protobuf/proto"
"github.com/pingcap/failpoint"
"github.com/pingcap/tidb/kv"
"github.com/pingcap/tidb/parser/ast"
"github.com/pingcap/tidb/parser/charset"
"github.com/pingcap/tidb/parser/mysql"
"github.com/pingcap/tidb/sessionctx/stmtctx"
"github.com/pingcap/tidb/types"
"github.com/pingcap/tidb/util/mock"
"github.com/pingcap/tipb/go-tipb"
"github.com/stretchr/testify/require"
)
func genColumn(tp byte, id int64) *Column {
return &Column{
RetType: types.NewFieldType(tp),
ID: id,
Index: int(id),
}
}
func TestConstant2Pb(t *testing.T) {
t.Skip("constant pb has changed")
var constExprs []Expression
sc := new(stmtctx.StatementContext)
client := new(mock.Client)
// can be transformed
constValue := new(Constant)
constValue.Value = types.NewDatum(nil)
require.Equal(t, types.KindNull, constValue.Value.Kind())
constExprs = append(constExprs, constValue)
constValue = new(Constant)
constValue.Value = types.NewDatum(int64(100))
require.Equal(t, types.KindInt64, constValue.Value.Kind())
constExprs = append(constExprs, constValue)
constValue = new(Constant)
constValue.Value = types.NewDatum(uint64(100))
require.Equal(t, types.KindUint64, constValue.Value.Kind())
constExprs = append(constExprs, constValue)
constValue = new(Constant)
constValue.Value = types.NewDatum("100")
require.Equal(t, types.KindString, constValue.Value.Kind())
constExprs = append(constExprs, constValue)
constValue = new(Constant)
constValue.Value = types.NewDatum([]byte{'1', '2', '4', 'c'})
require.Equal(t, types.KindBytes, constValue.Value.Kind())
constExprs = append(constExprs, constValue)
constValue = new(Constant)
constValue.Value = types.NewDatum(types.NewDecFromInt(110))
require.Equal(t, types.KindMysqlDecimal, constValue.Value.Kind())
constExprs = append(constExprs, constValue)
constValue = new(Constant)
constValue.Value = types.NewDatum(types.Duration{})
require.Equal(t, types.KindMysqlDuration, constValue.Value.Kind())
constExprs = append(constExprs, constValue)
// can not be transformed
constValue = new(Constant)
constValue.Value = types.NewDatum(float32(100))
require.Equal(t, types.KindFloat32, constValue.Value.Kind())
constExprs = append(constExprs, constValue)
constValue = new(Constant)
constValue.Value = types.NewDatum(float64(100))
require.Equal(t, types.KindFloat64, constValue.Value.Kind())
constExprs = append(constExprs, constValue)
constValue = new(Constant)
constValue.Value = types.NewDatum(types.Enum{Name: "A", Value: 19})
require.Equal(t, types.KindMysqlEnum, constValue.Value.Kind())
constExprs = append(constExprs, constValue)
pushed, remained := PushDownExprs(sc, constExprs, client, kv.UnSpecified)
require.Len(t, pushed, len(constExprs)-3)
require.Len(t, remained, 3)
pbExprs, err := ExpressionsToPBList(sc, constExprs, client)
require.NoError(t, err)
jsons := []string{
"{\"tp\":0,\"sig\":0}",
"{\"tp\":1,\"val\":\"gAAAAAAAAGQ=\",\"sig\":0}",
"{\"tp\":2,\"val\":\"AAAAAAAAAGQ=\",\"sig\":0}",
"{\"tp\":5,\"val\":\"MTAw\",\"sig\":0}",
"{\"tp\":6,\"val\":\"MTI0Yw==\",\"sig\":0}",
"{\"tp\":102,\"val\":\"AwCAbg==\",\"sig\":0}",
"{\"tp\":103,\"val\":\"gAAAAAAAAAA=\",\"sig\":0}",
}
for i, pbExpr := range pbExprs {
if i+3 < len(pbExprs) {
js, err := json.Marshal(pbExpr)
require.NoError(t, err)
require.Equal(t, jsons[i], string(js))
} else {
require.Nil(t, pbExpr)
}
}
}
func TestColumn2Pb(t *testing.T) {
var colExprs []Expression
sc := new(stmtctx.StatementContext)
client := new(mock.Client)
colExprs = append(colExprs, genColumn(mysql.TypeSet, 1))
colExprs = append(colExprs, genColumn(mysql.TypeGeometry, 2))
colExprs = append(colExprs, genColumn(mysql.TypeUnspecified, 3))
pushed, remained := PushDownExprs(sc, colExprs, client, kv.UnSpecified)
require.Len(t, pushed, 0)
require.Len(t, remained, len(colExprs))
for _, col := range colExprs { // cannot be pushed down
_, err := ExpressionsToPBList(sc, []Expression{col}, client)
require.Error(t, err)
}
colExprs = colExprs[:0]
colExprs = append(colExprs, genColumn(mysql.TypeTiny, 1))
colExprs = append(colExprs, genColumn(mysql.TypeShort, 2))
colExprs = append(colExprs, genColumn(mysql.TypeLong, 3))
colExprs = append(colExprs, genColumn(mysql.TypeFloat, 4))
colExprs = append(colExprs, genColumn(mysql.TypeDouble, 5))
colExprs = append(colExprs, genColumn(mysql.TypeNull, 6))
colExprs = append(colExprs, genColumn(mysql.TypeTimestamp, 7))
colExprs = append(colExprs, genColumn(mysql.TypeLonglong, 8))
colExprs = append(colExprs, genColumn(mysql.TypeInt24, 9))
colExprs = append(colExprs, genColumn(mysql.TypeDate, 10))
colExprs = append(colExprs, genColumn(mysql.TypeDuration, 11))
colExprs = append(colExprs, genColumn(mysql.TypeDatetime, 12))
colExprs = append(colExprs, genColumn(mysql.TypeYear, 13))
colExprs = append(colExprs, genColumn(mysql.TypeVarchar, 15))
colExprs = append(colExprs, genColumn(mysql.TypeJSON, 16))
colExprs = append(colExprs, genColumn(mysql.TypeNewDecimal, 17))
colExprs = append(colExprs, genColumn(mysql.TypeTinyBlob, 18))
colExprs = append(colExprs, genColumn(mysql.TypeMediumBlob, 19))
colExprs = append(colExprs, genColumn(mysql.TypeLongBlob, 20))
colExprs = append(colExprs, genColumn(mysql.TypeBlob, 21))
colExprs = append(colExprs, genColumn(mysql.TypeVarString, 22))
colExprs = append(colExprs, genColumn(mysql.TypeString, 23))
colExprs = append(colExprs, genColumn(mysql.TypeEnum, 24))
colExprs = append(colExprs, genColumn(mysql.TypeBit, 25))
pushed, remained = PushDownExprs(sc, colExprs, client, kv.UnSpecified)
require.Len(t, pushed, len(colExprs))
require.Len(t, remained, 0)
pbExprs, err := ExpressionsToPBList(sc, colExprs, client)
require.NoError(t, err)
jsons := []string{
"{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":2,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAAAM=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAAAQ=\",\"sig\":0,\"field_type\":{\"tp\":4,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAAAU=\",\"sig\":0,\"field_type\":{\"tp\":5,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAAAY=\",\"sig\":0,\"field_type\":{\"tp\":6,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAAAc=\",\"sig\":0,\"field_type\":{\"tp\":7,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAAAg=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAAAk=\",\"sig\":0,\"field_type\":{\"tp\":9,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAAAo=\",\"sig\":0,\"field_type\":{\"tp\":10,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAAAs=\",\"sig\":0,\"field_type\":{\"tp\":11,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAAAw=\",\"sig\":0,\"field_type\":{\"tp\":12,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAAA0=\",\"sig\":0,\"field_type\":{\"tp\":13,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAAA8=\",\"sig\":0,\"field_type\":{\"tp\":15,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-46,\"charset\":\"utf8mb4\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAABA=\",\"sig\":0,\"field_type\":{\"tp\":245,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAABE=\",\"sig\":0,\"field_type\":{\"tp\":246,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAABI=\",\"sig\":0,\"field_type\":{\"tp\":249,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAABM=\",\"sig\":0,\"field_type\":{\"tp\":250,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAABQ=\",\"sig\":0,\"field_type\":{\"tp\":251,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAABU=\",\"sig\":0,\"field_type\":{\"tp\":252,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAABY=\",\"sig\":0,\"field_type\":{\"tp\":253,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-46,\"charset\":\"utf8mb4\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAABc=\",\"sig\":0,\"field_type\":{\"tp\":254,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-46,\"charset\":\"utf8mb4\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAABg=\",\"sig\":0,\"field_type\":{\"tp\":247,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":201,\"val\":\"gAAAAAAAABk=\",\"sig\":0,\"field_type\":{\"tp\":16,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
}
for i, pbExpr := range pbExprs {
require.NotNil(t, pbExprs)
js, err := json.Marshal(pbExpr)
require.NoError(t, err)
require.Equalf(t, jsons[i], string(js), "%v\n", i)
}
for _, expr := range colExprs {
expr.(*Column).ID = 0
expr.(*Column).Index = 0
}
pushed, remained = PushDownExprs(sc, colExprs, client, kv.UnSpecified)
require.Len(t, pushed, len(colExprs))
require.Len(t, remained, 0)
}
func TestCompareFunc2Pb(t *testing.T) {
var compareExprs = make([]Expression, 0)
sc := new(stmtctx.StatementContext)
client := new(mock.Client)
funcNames := []string{ast.LT, ast.LE, ast.GT, ast.GE, ast.EQ, ast.NE, ast.NullEQ}
for _, funcName := range funcNames {
fc, err := NewFunction(mock.NewContext(), funcName, types.NewFieldType(mysql.TypeUnspecified), genColumn(mysql.TypeLonglong, 1), genColumn(mysql.TypeLonglong, 2))
require.NoError(t, err)
compareExprs = append(compareExprs, fc)
}
pushed, remained := PushDownExprs(sc, compareExprs, client, kv.UnSpecified)
require.Len(t, pushed, len(compareExprs))
require.Len(t, remained, 0)
pbExprs, err := ExpressionsToPBList(sc, compareExprs, client)
require.NoError(t, err)
require.Len(t, pbExprs, len(compareExprs))
jsons := []string{
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":100,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":110,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":120,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":130,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":140,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":150,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":160,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
}
for i, pbExpr := range pbExprs {
require.NotNil(t, pbExprs)
js, err := json.Marshal(pbExpr)
require.NoError(t, err)
require.Equal(t, jsons[i], string(js))
}
}
func TestLikeFunc2Pb(t *testing.T) {
var likeFuncs []Expression
sc := new(stmtctx.StatementContext)
client := new(mock.Client)
retTp := types.NewFieldType(mysql.TypeString)
retTp.SetFlag(retTp.GetFlag() | mysql.NotNullFlag)
retTp.SetCharset(charset.CharsetUTF8)
retTp.SetCollate(charset.CollationUTF8)
args := []Expression{
&Constant{RetType: retTp, Value: types.NewDatum("string")},
&Constant{RetType: retTp, Value: types.NewDatum("pattern")},
&Constant{RetType: retTp, Value: types.NewDatum(`%abc%`)},
&Constant{RetType: retTp, Value: types.NewDatum("\\")},
}
ctx := mock.NewContext()
retTp = types.NewFieldType(mysql.TypeUnspecified)
fc, err := NewFunction(ctx, ast.Like, retTp, args[0], args[1], args[3])
require.NoError(t, err)
likeFuncs = append(likeFuncs, fc)
fc, err = NewFunction(ctx, ast.Like, retTp, args[0], args[2], args[3])
require.NoError(t, err)
likeFuncs = append(likeFuncs, fc)
pbExprs, err := ExpressionsToPBList(sc, likeFuncs, client)
require.NoError(t, err)
results := []string{
`{"tp":10000,"children":[{"tp":5,"val":"c3RyaW5n","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":-83,"charset":"utf8"},"has_distinct":false},{"tp":5,"val":"cGF0dGVybg==","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":-83,"charset":"utf8"},"has_distinct":false},{"tp":10000,"val":"CAA=","children":[{"tp":5,"val":"XA==","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":-83,"charset":"utf8"},"has_distinct":false}],"sig":30,"field_type":{"tp":8,"flag":128,"flen":-1,"decimal":0,"collate":-83,"charset":"binary"},"has_distinct":false}],"sig":4310,"field_type":{"tp":8,"flag":524416,"flen":1,"decimal":0,"collate":-83,"charset":"binary"},"has_distinct":false}`,
`{"tp":10000,"children":[{"tp":5,"val":"c3RyaW5n","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":-83,"charset":"utf8"},"has_distinct":false},{"tp":5,"val":"JWFiYyU=","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":-83,"charset":"utf8"},"has_distinct":false},{"tp":10000,"val":"CAA=","children":[{"tp":5,"val":"XA==","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":-83,"charset":"utf8"},"has_distinct":false}],"sig":30,"field_type":{"tp":8,"flag":128,"flen":-1,"decimal":0,"collate":-83,"charset":"binary"},"has_distinct":false}],"sig":4310,"field_type":{"tp":8,"flag":524416,"flen":1,"decimal":0,"collate":-83,"charset":"binary"},"has_distinct":false}`,
}
for i, pbExpr := range pbExprs {
js, err := json.Marshal(pbExpr)
require.NoError(t, err)
require.Equal(t, results[i], string(js))
}
}
func TestArithmeticalFunc2Pb(t *testing.T) {
var arithmeticalFuncs = make([]Expression, 0)
sc := new(stmtctx.StatementContext)
client := new(mock.Client)
funcNames := []string{ast.Plus, ast.Minus, ast.Mul, ast.Div}
for _, funcName := range funcNames {
fc, err := NewFunction(
mock.NewContext(),
funcName,
types.NewFieldType(mysql.TypeUnspecified),
genColumn(mysql.TypeDouble, 1),
genColumn(mysql.TypeDouble, 2))
require.NoError(t, err)
arithmeticalFuncs = append(arithmeticalFuncs, fc)
}
jsons := make(map[string]string)
jsons[ast.Plus] = "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":5,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":5,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":200,\"field_type\":{\"tp\":5,\"flag\":128,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}"
jsons[ast.Minus] = "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":5,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":5,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":204,\"field_type\":{\"tp\":5,\"flag\":128,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}"
jsons[ast.Mul] = "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":5,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":5,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":208,\"field_type\":{\"tp\":5,\"flag\":128,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}"
jsons[ast.Div] = "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":5,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":5,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":211,\"field_type\":{\"tp\":5,\"flag\":128,\"flen\":23,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}"
jsons[ast.Mod] = "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":5,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":5,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":215,\"field_type\":{\"tp\":5,\"flag\":128,\"flen\":23,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}"
pbExprs, err := ExpressionsToPBList(sc, arithmeticalFuncs, client)
require.NoError(t, err)
for i, pbExpr := range pbExprs {
require.NotNil(t, pbExpr)
js, err := json.Marshal(pbExpr)
require.NoError(t, err)
require.Equalf(t, jsons[funcNames[i]], string(js), "%v\n", funcNames[i])
}
funcNames = []string{ast.IntDiv} // cannot be pushed down
for _, funcName := range funcNames {
fc, err := NewFunction(
mock.NewContext(),
funcName,
types.NewFieldType(mysql.TypeUnspecified),
genColumn(mysql.TypeDouble, 1),
genColumn(mysql.TypeDouble, 2))
require.NoError(t, err)
_, err = ExpressionsToPBList(sc, []Expression{fc}, client)
require.Error(t, err)
}
}
func TestDateFunc2Pb(t *testing.T) {
sc := new(stmtctx.StatementContext)
client := new(mock.Client)
fc, err := NewFunction(
mock.NewContext(),
ast.DateFormat,
types.NewFieldType(mysql.TypeUnspecified),
genColumn(mysql.TypeDatetime, 1),
genColumn(mysql.TypeString, 2))
require.NoError(t, err)
funcs := []Expression{fc}
pbExprs, err := ExpressionsToPBList(sc, funcs, client)
require.NoError(t, err)
require.NotNil(t, pbExprs[0])
js, err := json.Marshal(pbExprs[0])
require.NoError(t, err)
require.Equal(t, "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":12,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":254,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-46,\"charset\":\"utf8mb4\"},\"has_distinct\":false}],\"sig\":6001,\"field_type\":{\"tp\":253,\"flag\":0,\"flen\":0,\"decimal\":-1,\"collate\":-46,\"charset\":\"utf8mb4\"},\"has_distinct\":false}", string(js))
}
func TestLogicalFunc2Pb(t *testing.T) {
var logicalFuncs = make([]Expression, 0)
sc := new(stmtctx.StatementContext)
client := new(mock.Client)
funcNames := []string{ast.LogicAnd, ast.LogicOr, ast.LogicXor, ast.UnaryNot}
for i, funcName := range funcNames {
args := []Expression{genColumn(mysql.TypeTiny, 1)}
if i+1 < len(funcNames) {
args = append(args, genColumn(mysql.TypeTiny, 2))
}
fc, err := NewFunction(
mock.NewContext(),
funcName,
types.NewFieldType(mysql.TypeUnspecified),
args...,
)
require.NoError(t, err)
logicalFuncs = append(logicalFuncs, fc)
}
pbExprs, err := ExpressionsToPBList(sc, logicalFuncs, client)
require.NoError(t, err)
jsons := []string{
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":3101,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":3102,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":3103,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":3104,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
}
for i, pbExpr := range pbExprs {
js, err := json.Marshal(pbExpr)
require.NoError(t, err)
require.Equal(t, jsons[i], string(js))
}
}
func TestBitwiseFunc2Pb(t *testing.T) {
var bitwiseFuncs = make([]Expression, 0)
sc := new(stmtctx.StatementContext)
client := new(mock.Client)
funcNames := []string{ast.And, ast.Or, ast.Xor, ast.LeftShift, ast.RightShift, ast.BitNeg}
for i, funcName := range funcNames {
args := []Expression{genColumn(mysql.TypeLong, 1)}
if i+1 < len(funcNames) {
args = append(args, genColumn(mysql.TypeLong, 2))
}
fc, err := NewFunction(
mock.NewContext(),
funcName,
types.NewFieldType(mysql.TypeUnspecified),
args...,
)
require.NoError(t, err)
bitwiseFuncs = append(bitwiseFuncs, fc)
}
pbExprs, err := ExpressionsToPBList(sc, bitwiseFuncs, client)
require.NoError(t, err)
jsons := []string{
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":3118,\"field_type\":{\"tp\":8,\"flag\":160,\"flen\":20,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":3119,\"field_type\":{\"tp\":8,\"flag\":160,\"flen\":20,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":3120,\"field_type\":{\"tp\":8,\"flag\":160,\"flen\":20,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":3129,\"field_type\":{\"tp\":8,\"flag\":160,\"flen\":20,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":3130,\"field_type\":{\"tp\":8,\"flag\":160,\"flen\":20,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":3121,\"field_type\":{\"tp\":8,\"flag\":160,\"flen\":20,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
}
for i, pbExpr := range pbExprs {
js, err := json.Marshal(pbExpr)
require.NoError(t, err)
require.Equal(t, jsons[i], string(js))
}
}
func TestControlFunc2Pb(t *testing.T) {
var controlFuncs = make([]Expression, 0)
sc := new(stmtctx.StatementContext)
client := new(mock.Client)
funcNames := []string{
ast.Case,
ast.If,
ast.Ifnull,
}
for i, funcName := range funcNames {
args := []Expression{genColumn(mysql.TypeLong, 1)}
args = append(args, genColumn(mysql.TypeLong, 2))
if i < 2 {
args = append(args, genColumn(mysql.TypeLong, 3))
}
fc, err := NewFunction(
mock.NewContext(),
funcName,
types.NewFieldType(mysql.TypeUnspecified),
args...,
)
require.NoError(t, err)
controlFuncs = append(controlFuncs, fc)
}
pbExprs, err := ExpressionsToPBList(sc, controlFuncs, client)
require.NoError(t, err)
jsons := []string{
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAM=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":4208,\"field_type\":{\"tp\":3,\"flag\":128,\"flen\":-1,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAM=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":4107,\"field_type\":{\"tp\":3,\"flag\":128,\"flen\":24,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":4101,\"field_type\":{\"tp\":3,\"flag\":128,\"flen\":24,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
"null",
}
for i, pbExpr := range pbExprs {
js, err := json.Marshal(pbExpr)
require.NoError(t, err)
require.Equal(t, jsons[i], string(js))
}
}
func TestOtherFunc2Pb(t *testing.T) {
var otherFuncs = make([]Expression, 0)
sc := new(stmtctx.StatementContext)
client := new(mock.Client)
funcNames := []string{ast.Coalesce, ast.IsNull}
for _, funcName := range funcNames {
fc, err := NewFunction(
mock.NewContext(),
funcName,
types.NewFieldType(mysql.TypeUnspecified),
genColumn(mysql.TypeLong, 1),
)
require.NoError(t, err)
otherFuncs = append(otherFuncs, fc)
}
pbExprs, err := ExpressionsToPBList(sc, otherFuncs, client)
require.NoError(t, err)
jsons := map[string]string{
ast.Coalesce: "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":4201,\"field_type\":{\"tp\":3,\"flag\":128,\"flen\":0,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
ast.IsNull: "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}],\"sig\":3116,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":-63,\"charset\":\"binary\"},\"has_distinct\":false}",
}
for i, pbExpr := range pbExprs {
js, err := json.Marshal(pbExpr)
require.NoError(t, err)
require.Equal(t, jsons[funcNames[i]], string(js))
}
}
func TestExprPushDownToFlash(t *testing.T) {
sc := new(stmtctx.StatementContext)
client := new(mock.Client)
exprs := make([]Expression, 0)
jsonColumn := genColumn(mysql.TypeJSON, 1)
intColumn := genColumn(mysql.TypeLonglong, 2)
realColumn := genColumn(mysql.TypeDouble, 3)
decimalColumn := genColumn(mysql.TypeNewDecimal, 4)
decimalColumn.RetType.SetDecimal(mysql.MaxDecimalScale)
decimalColumn.RetType.SetFlen(mysql.MaxDecimalWidth)
stringColumn := genColumn(mysql.TypeString, 5)
datetimeColumn := genColumn(mysql.TypeDatetime, 6)
binaryStringColumn := genColumn(mysql.TypeString, 7)
binaryStringColumn.RetType.SetCollate(charset.CollationBin)
int32Column := genColumn(mysql.TypeLong, 8)
float32Column := genColumn(mysql.TypeFloat, 9)
enumColumn := genColumn(mysql.TypeEnum, 10)
function, err := NewFunction(mock.NewContext(), ast.JSONLength, types.NewFieldType(mysql.TypeLonglong), jsonColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// lpad
function, err = NewFunction(mock.NewContext(), ast.Lpad, types.NewFieldType(mysql.TypeString), stringColumn, int32Column, stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// rpad
function, err = NewFunction(mock.NewContext(), ast.Rpad, types.NewFieldType(mysql.TypeString), stringColumn, int32Column, stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
function, err = NewFunction(mock.NewContext(), ast.If, types.NewFieldType(mysql.TypeLonglong), intColumn, intColumn, intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
function, err = NewFunction(mock.NewContext(), ast.BitNeg, types.NewFieldType(mysql.TypeLonglong), intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
function, err = NewFunction(mock.NewContext(), ast.Xor, types.NewFieldType(mysql.TypeLonglong), intColumn, intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ExtractDatetime: can be pushed
function, err = NewFunction(mock.NewContext(), ast.Extract, types.NewFieldType(mysql.TypeLonglong), stringColumn, datetimeColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastIntAsInt
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeLonglong), intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastRealAsInt
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeLonglong), realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastDecimalAsInt
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeLonglong), decimalColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastStringAsInt
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeLonglong), stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastTimeAsInt
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeLonglong), datetimeColumn)
require.NoError(t, err)
exprs = append(exprs, function)
validDecimalType := types.NewFieldType(mysql.TypeNewDecimal)
validDecimalType.SetFlen(20)
validDecimalType.SetDecimal(2)
// CastIntAsDecimal
function, err = NewFunction(mock.NewContext(), ast.Cast, validDecimalType, intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastRealAsDecimal
function, err = NewFunction(mock.NewContext(), ast.Cast, validDecimalType, realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastDecimalAsDecimal
function, err = NewFunction(mock.NewContext(), ast.Cast, validDecimalType, decimalColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastStringAsDecimal
function, err = NewFunction(mock.NewContext(), ast.Cast, validDecimalType, stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastTimeAsDecimal
function, err = NewFunction(mock.NewContext(), ast.Cast, validDecimalType, datetimeColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastIntAsString
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeString), intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastRealAsString
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeString), realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastDecimalAsString
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeString), decimalColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastStringAsString
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeString), stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastIntAsTime
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeDatetime), intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastRealAsTime
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeDatetime), realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastDecimalAsTime
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeDatetime), decimalColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastTimeAsTime
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeDatetime), datetimeColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// CastStringAsReal
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeDouble), stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// Substring2ArgsUTF8
function, err = NewFunction(mock.NewContext(), ast.Substr, types.NewFieldType(mysql.TypeString), stringColumn, intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// Substring3ArgsUTF8
function, err = NewFunction(mock.NewContext(), ast.Substr, types.NewFieldType(mysql.TypeString), stringColumn, intColumn, intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// sqrt
function, err = NewFunction(mock.NewContext(), ast.Sqrt, types.NewFieldType(mysql.TypeDouble), realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_CeilReal
function, err = NewFunction(mock.NewContext(), ast.Ceil, types.NewFieldType(mysql.TypeDouble), realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_CeilIntToInt
function, err = NewFunction(mock.NewContext(), ast.Ceil, types.NewFieldType(mysql.TypeLonglong), intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_CeilDecimalToInt
function, err = NewFunction(mock.NewContext(), ast.Ceil, types.NewFieldType(mysql.TypeLonglong), decimalColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_CeilDecToDec
function, err = NewFunction(mock.NewContext(), ast.Ceil, types.NewFieldType(mysql.TypeNewDecimal), decimalColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_FloorReal
function, err = NewFunction(mock.NewContext(), ast.Floor, types.NewFieldType(mysql.TypeDouble), realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_FloorIntToInt
function, err = NewFunction(mock.NewContext(), ast.Floor, types.NewFieldType(mysql.TypeLonglong), intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_FloorDecToInt
function, err = NewFunction(mock.NewContext(), ast.Floor, types.NewFieldType(mysql.TypeLonglong), decimalColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_FloorDecToDec
function, err = NewFunction(mock.NewContext(), ast.Floor, types.NewFieldType(mysql.TypeNewDecimal), decimalColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_Log1Arg
function, err = NewFunction(mock.NewContext(), ast.Log, types.NewFieldType(mysql.TypeDouble), realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_Log2Args
function, err = NewFunction(mock.NewContext(), ast.Log, types.NewFieldType(mysql.TypeDouble), realColumn, realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_Log2
function, err = NewFunction(mock.NewContext(), ast.Log2, types.NewFieldType(mysql.TypeDouble), realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_Log10
function, err = NewFunction(mock.NewContext(), ast.Log10, types.NewFieldType(mysql.TypeDouble), realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_Exp
function, err = NewFunction(mock.NewContext(), ast.Exp, types.NewFieldType(mysql.TypeDouble), realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_Pow
function, err = NewFunction(mock.NewContext(), ast.Pow, types.NewFieldType(mysql.TypeDouble), realColumn, realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_Radians
function, err = NewFunction(mock.NewContext(), ast.Radians, types.NewFieldType(mysql.TypeDouble), realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_Degrees
function, err = NewFunction(mock.NewContext(), ast.Degrees, types.NewFieldType(mysql.TypeDouble), realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_CRC32
function, err = NewFunction(mock.NewContext(), ast.CRC32, types.NewFieldType(mysql.TypeLonglong), stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_Conv
function, err = NewFunction(mock.NewContext(), ast.Conv, types.NewFieldType(mysql.TypeDouble), stringColumn, intColumn, intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// Replace
function, err = NewFunction(mock.NewContext(), ast.Replace, types.NewFieldType(mysql.TypeString), stringColumn, stringColumn, stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// InetAton
function, err = NewFunction(mock.NewContext(), ast.InetAton, types.NewFieldType(mysql.TypeString), stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// InetNtoa
function, err = NewFunction(mock.NewContext(), ast.InetNtoa, types.NewFieldType(mysql.TypeLonglong), stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// Inet6Aton
function, err = NewFunction(mock.NewContext(), ast.Inet6Aton, types.NewFieldType(mysql.TypeString), stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// Inet6Ntoa
function, err = NewFunction(mock.NewContext(), ast.Inet6Ntoa, types.NewFieldType(mysql.TypeLonglong), stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_RoundReal
function, err = NewFunction(mock.NewContext(), ast.Round, types.NewFieldType(mysql.TypeDouble), realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_RoundInt
function, err = NewFunction(mock.NewContext(), ast.Round, types.NewFieldType(mysql.TypeLonglong), intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_RoundDecimal
function, err = NewFunction(mock.NewContext(), ast.Round, types.NewFieldType(mysql.TypeNewDecimal), decimalColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_RoundWithFracReal
function, err = NewFunction(mock.NewContext(), ast.Round, types.NewFieldType(mysql.TypeDouble), realColumn, intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_RoundWithFracInt
function, err = NewFunction(mock.NewContext(), ast.Round, types.NewFieldType(mysql.TypeLonglong), intColumn, intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ScalarFuncSig_RoundWithFracDecimal
function, err = NewFunction(mock.NewContext(), ast.Round, types.NewFieldType(mysql.TypeNewDecimal), decimalColumn, intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// concat
function, err = NewFunction(mock.NewContext(), ast.Concat, types.NewFieldType(mysql.TypeString), stringColumn, intColumn, realColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// UnixTimestampCurrent
function, err = NewFunction(mock.NewContext(), ast.UnixTimestamp, types.NewFieldType(mysql.TypeLonglong))
require.NoError(t, err)
_, ok := function.(*Constant)
require.True(t, ok)
// UnixTimestampInt
datetimeColumn.RetType.SetDecimal(0)
function, err = NewFunction(mock.NewContext(), ast.UnixTimestamp, types.NewFieldType(mysql.TypeLonglong), datetimeColumn)
require.NoError(t, err)
require.Equal(t, tipb.ScalarFuncSig_UnixTimestampInt, function.(*ScalarFunction).Function.PbCode())
exprs = append(exprs, function)
// UnixTimestampDecimal
datetimeColumn.RetType.SetDecimal(types.UnspecifiedLength)
function, err = NewFunction(mock.NewContext(), ast.UnixTimestamp, types.NewFieldType(mysql.TypeNewDecimal), datetimeColumn)
require.NoError(t, err)
require.Equal(t, tipb.ScalarFuncSig_UnixTimestampDec, function.(*ScalarFunction).Function.PbCode())
exprs = append(exprs, function)
// Year
function, err = NewFunction(mock.NewContext(), ast.Year, types.NewFieldType(mysql.TypeLonglong), datetimeColumn)
require.NoError(t, err)
require.Equal(t, tipb.ScalarFuncSig_Year, function.(*ScalarFunction).Function.PbCode())
exprs = append(exprs, function)
// Day
function, err = NewFunction(mock.NewContext(), ast.Day, types.NewFieldType(mysql.TypeLonglong), datetimeColumn)
require.NoError(t, err)
require.Equal(t, tipb.ScalarFuncSig_DayOfMonth, function.(*ScalarFunction).Function.PbCode())
exprs = append(exprs, function)
// Datediff
function, err = NewFunction(mock.NewContext(), ast.DateDiff, types.NewFieldType(mysql.TypeLonglong), datetimeColumn, datetimeColumn)
require.NoError(t, err)
require.Equal(t, tipb.ScalarFuncSig_DateDiff, function.(*ScalarFunction).Function.PbCode())
exprs = append(exprs, function)
// Datesub
constStringColumn := new(Constant)
constStringColumn.Value = types.NewStringDatum("day")
constStringColumn.RetType = types.NewFieldType(mysql.TypeString)
function, err = NewFunction(mock.NewContext(), ast.DateSub, types.NewFieldType(mysql.TypeDatetime), datetimeColumn, intColumn, constStringColumn)
require.NoError(t, err)
require.Equal(t, tipb.ScalarFuncSig_SubDateDatetimeInt, function.(*ScalarFunction).Function.PbCode())
exprs = append(exprs, function)
function, err = NewFunction(mock.NewContext(), ast.DateSub, types.NewFieldType(mysql.TypeDatetime), stringColumn, intColumn, constStringColumn)
require.NoError(t, err)
require.Equal(t, tipb.ScalarFuncSig_SubDateStringInt, function.(*ScalarFunction).Function.PbCode())
exprs = append(exprs, function)
function, err = NewFunction(mock.NewContext(), ast.SubDate, types.NewFieldType(mysql.TypeDatetime), datetimeColumn, intColumn, constStringColumn)
require.NoError(t, err)
require.Equal(t, tipb.ScalarFuncSig_SubDateDatetimeInt, function.(*ScalarFunction).Function.PbCode())
exprs = append(exprs, function)
// castTimeAsString:
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeString), datetimeColumn)
require.NoError(t, err)
require.Equal(t, tipb.ScalarFuncSig_CastTimeAsString, function.(*ScalarFunction).Function.PbCode())
exprs = append(exprs, function)
// concat_ws
function, err = NewFunction(mock.NewContext(), ast.ConcatWS, types.NewFieldType(mysql.TypeString), stringColumn, stringColumn, stringColumn)
require.NoError(t, err)
require.Equal(t, tipb.ScalarFuncSig_ConcatWS, function.(*ScalarFunction).Function.PbCode())
exprs = append(exprs, function)
function, err = NewFunction(mock.NewContext(), ast.FromDays, types.NewFieldType(mysql.TypeDate), intColumn)
require.NoError(t, err)
require.Equal(t, tipb.ScalarFuncSig_FromDays, function.(*ScalarFunction).Function.PbCode())
exprs = append(exprs, function)
function, err = NewFunction(mock.NewContext(), ast.ToDays, types.NewFieldType(mysql.TypeLonglong), datetimeColumn)
require.NoError(t, err)
require.Equal(t, tipb.ScalarFuncSig_ToDays, function.(*ScalarFunction).Function.PbCode())
exprs = append(exprs, function)
// StrToDateDateTime
function, err = NewFunction(mock.NewContext(), ast.StrToDate, types.NewFieldType(mysql.TypeDatetime), stringColumn, stringColumn)
require.NoError(t, err)
require.Equal(t, tipb.ScalarFuncSig_StrToDateDatetime, function.(*ScalarFunction).Function.PbCode())
exprs = append(exprs, function)
// cast Int32 to Int32
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeLong), int32Column)
require.NoError(t, err)
exprs = append(exprs, function)
// cast float32 to float32
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeFloat), float32Column)
require.NoError(t, err)
exprs = append(exprs, function)
// upper string
function, err = NewFunction(mock.NewContext(), ast.Upper, types.NewFieldType(mysql.TypeString), stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ucase string
function, err = NewFunction(mock.NewContext(), ast.Ucase, types.NewFieldType(mysql.TypeString), stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// lower string
function, err = NewFunction(mock.NewContext(), ast.Lower, types.NewFieldType(mysql.TypeString), stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// lcase string
function, err = NewFunction(mock.NewContext(), ast.Lcase, types.NewFieldType(mysql.TypeString), stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// sysdate
function, err = NewFunction(mock.NewContext(), ast.Sysdate, types.NewFieldType(mysql.TypeDatetime), stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
canPush := CanExprsPushDown(sc, exprs, client, kv.TiFlash)
require.Equal(t, true, canPush)
exprs = exprs[:0]
// Substring2Args: can not be pushed
function, err = NewFunction(mock.NewContext(), ast.Substr, types.NewFieldType(mysql.TypeString), binaryStringColumn, intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// Substring3Args: can not be pushed
function, err = NewFunction(mock.NewContext(), ast.Substr, types.NewFieldType(mysql.TypeString), binaryStringColumn, intColumn, intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
function, err = NewFunction(mock.NewContext(), ast.JSONDepth, types.NewFieldType(mysql.TypeLonglong), jsonColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// ExtractDatetimeFromString: can not be pushed
function, err = NewFunction(mock.NewContext(), ast.Extract, types.NewFieldType(mysql.TypeLonglong), stringColumn, stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// Cast to Int32: not supported
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeLong), stringColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// Cast to Float: not supported
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeFloat), intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// Cast to invalid decimal Type: not supported
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeNewDecimal), intColumn)
require.NoError(t, err)
exprs = append(exprs, function)
// cast Int32 to UInt32
unsignedInt32Type := types.NewFieldType(mysql.TypeLong)
unsignedInt32Type.SetFlag(mysql.UnsignedFlag)
function, err = NewFunction(mock.NewContext(), ast.Cast, unsignedInt32Type, int32Column)
require.NoError(t, err)
exprs = append(exprs, function)
// cast Enum as String : not supported
function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeString), enumColumn)
require.NoError(t, err)
exprs = append(exprs, function)
pushed, remained := PushDownExprs(sc, exprs, client, kv.TiFlash)
require.Len(t, pushed, 0)
require.Len(t, remained, len(exprs))
pushed, remained = PushDownExprsWithExtraInfo(sc, exprs, client, kv.TiFlash, true)
require.Len(t, pushed, 0)
require.Len(t, remained, len(exprs))
exprs = exprs[:0]
// cast Enum as UInt : supported
unsignedInt := types.NewFieldType(mysql.TypeLonglong)
unsignedInt.SetFlag(mysql.UnsignedFlag)