You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
99 lines
3.9 KiB
99 lines
3.9 KiB
// 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 aggregation
|
|
|
|
import (
|
|
"encoding/json"
|
|
"testing"
|
|
|
|
. "github.com/pingcap/check"
|
|
"github.com/pingcap/parser"
|
|
"github.com/pingcap/parser/ast"
|
|
"github.com/pingcap/parser/mysql"
|
|
"github.com/pingcap/tidb/expression"
|
|
"github.com/pingcap/tidb/sessionctx"
|
|
"github.com/pingcap/tidb/sessionctx/stmtctx"
|
|
"github.com/pingcap/tidb/types"
|
|
"github.com/pingcap/tidb/util/mock"
|
|
)
|
|
|
|
var _ = Suite(&testEvaluatorSuite{})
|
|
|
|
func TestT(t *testing.T) {
|
|
CustomVerboseFlag = true
|
|
TestingT(t)
|
|
}
|
|
|
|
type dataGen4Expr2PbTest struct {
|
|
}
|
|
|
|
func (dg *dataGen4Expr2PbTest) genColumn(tp byte, id int64) *expression.Column {
|
|
return &expression.Column{
|
|
RetType: types.NewFieldType(tp),
|
|
ID: id,
|
|
Index: int(id),
|
|
}
|
|
}
|
|
|
|
type testEvaluatorSuite struct {
|
|
*parser.Parser
|
|
ctx sessionctx.Context
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) SetUpSuite(c *C) {
|
|
s.Parser = parser.New()
|
|
s.ctx = mock.NewContext()
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TearDownSuite(c *C) {
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestAggFunc2Pb(c *C) {
|
|
sc := new(stmtctx.StatementContext)
|
|
client := new(mock.Client)
|
|
dg := new(dataGen4Expr2PbTest)
|
|
|
|
funcNames := []string{ast.AggFuncSum, ast.AggFuncCount, ast.AggFuncAvg, ast.AggFuncGroupConcat, ast.AggFuncMax, ast.AggFuncMin, ast.AggFuncFirstRow}
|
|
funcTypes := []*types.FieldType{
|
|
types.NewFieldType(mysql.TypeDouble),
|
|
types.NewFieldType(mysql.TypeLonglong),
|
|
types.NewFieldType(mysql.TypeDouble),
|
|
types.NewFieldType(mysql.TypeVarchar),
|
|
types.NewFieldType(mysql.TypeDouble),
|
|
types.NewFieldType(mysql.TypeDouble),
|
|
types.NewFieldType(mysql.TypeDouble),
|
|
}
|
|
|
|
jsons := []string{
|
|
`{"tp":3002,"children":[{"tp":201,"val":"gAAAAAAAAAE=","sig":0,"field_type":{"tp":5,"flag":0,"flen":-1,"decimal":-1,"collate":63,"charset":""}}],"sig":0,"field_type":{"tp":5,"flag":0,"flen":-1,"decimal":-1,"collate":63,"charset":""}}`,
|
|
`{"tp":3001,"children":[{"tp":201,"val":"gAAAAAAAAAE=","sig":0,"field_type":{"tp":5,"flag":0,"flen":-1,"decimal":-1,"collate":63,"charset":""}}],"sig":0,"field_type":{"tp":8,"flag":0,"flen":-1,"decimal":-1,"collate":63,"charset":""}}`,
|
|
`{"tp":3003,"children":[{"tp":201,"val":"gAAAAAAAAAE=","sig":0,"field_type":{"tp":5,"flag":0,"flen":-1,"decimal":-1,"collate":63,"charset":""}}],"sig":0,"field_type":{"tp":5,"flag":0,"flen":-1,"decimal":-1,"collate":63,"charset":""}}`,
|
|
"null",
|
|
`{"tp":3005,"children":[{"tp":201,"val":"gAAAAAAAAAE=","sig":0,"field_type":{"tp":5,"flag":0,"flen":-1,"decimal":-1,"collate":63,"charset":""}}],"sig":0,"field_type":{"tp":5,"flag":0,"flen":-1,"decimal":-1,"collate":63,"charset":""}}`,
|
|
`{"tp":3004,"children":[{"tp":201,"val":"gAAAAAAAAAE=","sig":0,"field_type":{"tp":5,"flag":0,"flen":-1,"decimal":-1,"collate":63,"charset":""}}],"sig":0,"field_type":{"tp":5,"flag":0,"flen":-1,"decimal":-1,"collate":63,"charset":""}}`,
|
|
`{"tp":3006,"children":[{"tp":201,"val":"gAAAAAAAAAE=","sig":0,"field_type":{"tp":5,"flag":0,"flen":-1,"decimal":-1,"collate":63,"charset":""}}],"sig":0,"field_type":{"tp":5,"flag":0,"flen":-1,"decimal":-1,"collate":63,"charset":""}}`,
|
|
}
|
|
for i, funcName := range funcNames {
|
|
for _, hasDistinct := range []bool{true, false} {
|
|
args := []expression.Expression{dg.genColumn(mysql.TypeDouble, 1)}
|
|
aggFunc, err := NewAggFuncDesc(s.ctx, funcName, args, hasDistinct)
|
|
c.Assert(err, IsNil)
|
|
aggFunc.RetTp = funcTypes[i]
|
|
pbExpr := AggFuncToPBExpr(sc, client, aggFunc)
|
|
js, err := json.Marshal(pbExpr)
|
|
c.Assert(err, IsNil)
|
|
c.Assert(string(js), Equals, jsons[i])
|
|
}
|
|
}
|
|
}
|
|
|