71 lines
2.4 KiB
Go
71 lines
2.4 KiB
Go
// Copyright 2023 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package testutil
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import (
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"fmt"
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"github.com/pingcap/tidb/pkg/expression"
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"github.com/pingcap/tidb/pkg/parser/mysql"
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"github.com/pingcap/tidb/pkg/sessionctx"
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"github.com/pingcap/tidb/pkg/sessionctx/variable"
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"github.com/pingcap/tidb/pkg/types"
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"github.com/pingcap/tidb/pkg/util/memory"
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"github.com/pingcap/tidb/pkg/util/mock"
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)
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// SortCase is the sort case
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type SortCase struct {
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Ctx sessionctx.Context
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OrderByIdx []int
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Ndvs []int
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Rows int
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}
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// Columns creates column
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func (SortCase) Columns() []*expression.Column {
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return []*expression.Column{
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{Index: 0, RetType: types.NewFieldType(mysql.TypeLonglong)},
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{Index: 1, RetType: types.NewFieldType(mysql.TypeLonglong)},
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}
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}
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// String gets case content
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func (tc SortCase) String() string {
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return fmt.Sprintf("(rows:%v, orderBy:%v, ndvs: %v)", tc.Rows, tc.OrderByIdx, tc.Ndvs)
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}
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// DefaultSortTestCase returns default sort test case
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func DefaultSortTestCase() *SortCase {
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ctx := mock.NewContext()
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ctx.GetSessionVars().InitChunkSize = variable.DefInitChunkSize
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ctx.GetSessionVars().MaxChunkSize = variable.DefMaxChunkSize
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ctx.GetSessionVars().StmtCtx.MemTracker = memory.NewTracker(-1, -1)
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tc := &SortCase{Rows: 300000, OrderByIdx: []int{0, 1}, Ndvs: []int{0, 0}, Ctx: ctx}
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return tc
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}
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// SortTestCaseWithMemoryLimit returns sort test case
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func SortTestCaseWithMemoryLimit(bytesLimit int64) *SortCase {
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ctx := mock.NewContext()
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ctx.GetSessionVars().InitChunkSize = variable.DefInitChunkSize
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ctx.GetSessionVars().MaxChunkSize = variable.DefMaxChunkSize
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ctx.GetSessionVars().MemTracker = memory.NewTracker(-1, bytesLimit)
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ctx.GetSessionVars().StmtCtx.MemTracker = memory.NewTracker(-1, bytesLimit)
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ctx.GetSessionVars().StmtCtx.MemTracker.AttachTo(ctx.GetSessionVars().MemTracker)
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tc := &SortCase{Rows: 300000, OrderByIdx: []int{0, 1}, Ndvs: []int{0, 0}, Ctx: ctx}
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return tc
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}
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