67 lines
2.1 KiB
Go
67 lines
2.1 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/vardef"
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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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)
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// LimitCase is the limit case
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type LimitCase struct {
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Ctx sessionctx.Context
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ChildUsedSchema []bool
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Rows int
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Offset int
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Count int
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UsingInlineProjection bool
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}
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// Columns creates columns
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func (LimitCase) 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 LimitCase) String() string {
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return fmt.Sprintf("(rows:%v, offset:%v, count:%v, inline_projection:%v)",
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tc.Rows, tc.Offset, tc.Count, tc.UsingInlineProjection)
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}
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// DefaultLimitTestCase returns default limit test case
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func DefaultLimitTestCase(ctx sessionctx.Context) *LimitCase {
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ctx.GetSessionVars().InitChunkSize = vardef.DefInitChunkSize
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ctx.GetSessionVars().MaxChunkSize = vardef.DefMaxChunkSize
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ctx.GetSessionVars().StmtCtx.MemTracker = memory.NewTracker(-1, -1)
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tc := &LimitCase{
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Rows: 30000,
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Offset: 10000,
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Count: 10000,
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ChildUsedSchema: []bool{false, true},
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UsingInlineProjection: false,
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Ctx: ctx,
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}
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return tc
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}
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