Files
tidb/pkg/executor/internal/testutil/agg.go

70 lines
2.2 KiB
Go

// Copyright 2023 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 testutil
import (
"fmt"
"github.com/pingcap/tidb/pkg/expression"
"github.com/pingcap/tidb/pkg/parser/ast"
"github.com/pingcap/tidb/pkg/parser/mysql"
"github.com/pingcap/tidb/pkg/sessionctx"
"github.com/pingcap/tidb/pkg/sessionctx/vardef"
"github.com/pingcap/tidb/pkg/types"
)
// AggTestCase has a fixed schema (aggCol Double, groupBy LongLong).
type AggTestCase struct {
Ctx sessionctx.Context
ExecType string
AggFunc string
GroupByNDV int
Rows int
Concurrency int
DataSourceSorted bool
HasDistinct bool
}
// Columns creates columns
func (AggTestCase) Columns() []*expression.Column {
return []*expression.Column{
{Index: 0, RetType: types.NewFieldType(mysql.TypeDouble)},
{Index: 1, RetType: types.NewFieldType(mysql.TypeLonglong)},
}
}
// String gets case content
func (a AggTestCase) String() string {
return fmt.Sprintf("(execType:%v, aggFunc:%v, ndv:%v, hasDistinct:%v, rows:%v, concurrency:%v, sorted:%v)",
a.ExecType, a.AggFunc, a.GroupByNDV, a.HasDistinct, a.Rows, a.Concurrency, a.DataSourceSorted)
}
// DefaultAggTestCase returns default agg test case
func DefaultAggTestCase(ctx sessionctx.Context, exec string) *AggTestCase {
ctx.GetSessionVars().InitChunkSize = vardef.DefInitChunkSize
ctx.GetSessionVars().MaxChunkSize = vardef.DefMaxChunkSize
// return &AggTestCase{exec, ast.AggFuncSum, 1000, false, 10000000, 4, true, ctx}
return &AggTestCase{
ExecType: exec,
AggFunc: ast.AggFuncSum,
GroupByNDV: 1000,
HasDistinct: false,
Rows: 10000000,
Concurrency: 4,
DataSourceSorted: true,
Ctx: ctx,
}
}