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

74 lines
2.5 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"
"strings"
"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/planner/core/operator/logicalop"
"github.com/pingcap/tidb/pkg/sessionctx"
"github.com/pingcap/tidb/pkg/sessionctx/vardef"
"github.com/pingcap/tidb/pkg/types"
)
// WindowTestCase has a fixed schema (col Double, partitionBy LongLong, rawData VarString(16), col LongLong).
type WindowTestCase struct {
Ctx sessionctx.Context
Frame *logicalop.WindowFrame
WindowFunc string
RawDataSmall string
Columns []*expression.Column
NumFunc int
Ndv int
Rows int
Concurrency int
Pipelined int
DataSourceSorted bool
}
// String gets case content
func (a WindowTestCase) String() string {
return fmt.Sprintf("(func:%v, aggColType:%s, numFunc:%v, ndv:%v, rows:%v, sorted:%v, concurrency:%v, pipelined:%v)",
a.WindowFunc, a.Columns[0].RetType, a.NumFunc, a.Ndv, a.Rows, a.DataSourceSorted, a.Concurrency, a.Pipelined)
}
// DefaultWindowTestCase returns default window test case
func DefaultWindowTestCase(ctx sessionctx.Context) *WindowTestCase {
ctx.GetSessionVars().InitChunkSize = vardef.DefInitChunkSize
ctx.GetSessionVars().MaxChunkSize = vardef.DefMaxChunkSize
return &WindowTestCase{
WindowFunc: ast.WindowFuncRowNumber,
NumFunc: 1,
Frame: nil,
Ndv: 1000,
Rows: 10000000,
Concurrency: 1,
Pipelined: 0,
DataSourceSorted: true,
Ctx: ctx,
RawDataSmall: strings.Repeat("x", 16),
Columns: []*expression.Column{
{Index: 0, RetType: types.NewFieldType(mysql.TypeDouble)},
{Index: 1, RetType: types.NewFieldType(mysql.TypeLonglong)},
{Index: 2, RetType: types.NewFieldType(mysql.TypeVarString)},
{Index: 3, RetType: types.NewFieldType(mysql.TypeLonglong)},
},
}
}