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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| // 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 ddl_test | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/pingcap/tidb/pkg/ddl" | ||
| "github.com/pingcap/tidb/pkg/ddl/copr" | ||
| "github.com/pingcap/tidb/pkg/kv" | ||
| "github.com/pingcap/tidb/pkg/parser/model" | ||
| "github.com/pingcap/tidb/pkg/table" | ||
| "github.com/pingcap/tidb/pkg/table/tables" | ||
| "github.com/pingcap/tidb/pkg/testkit" | ||
| "github.com/pingcap/tidb/pkg/types" | ||
| "github.com/pingcap/tidb/pkg/util/chunk" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| func BenchmarkExtractDatumByOffsets(b *testing.B) { | ||
| store, dom := testkit.CreateMockStoreAndDomain(b) | ||
| tk := testkit.NewTestKit(b, store) | ||
| tk.MustExec("use test") | ||
|
|
||
| tk.MustExec("drop table if exists t;") | ||
| tk.MustExec("create table t (a bigint, b int, index idx (b));") | ||
| for i := 0; i < 8; i++ { | ||
| tk.MustExec("insert into t values (?, ?)", i, i) | ||
| } | ||
| tbl, err := dom.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t")) | ||
| require.NoError(b, err) | ||
| tblInfo := tbl.Meta() | ||
| idxInfo := tblInfo.FindIndexByName("idx") | ||
| copCtx, err := copr.NewCopContextSingleIndex(tblInfo, idxInfo, tk.Session(), "") | ||
| require.NoError(b, err) | ||
| startKey := tbl.RecordPrefix() | ||
| endKey := startKey.PrefixNext() | ||
| txn, err := store.Begin() | ||
| require.NoError(b, err) | ||
| copChunk := ddl.FetchChunk4Test(copCtx, tbl.(table.PhysicalTable), startKey, endKey, store, 10) | ||
| require.NoError(b, err) | ||
| require.NoError(b, txn.Rollback()) | ||
|
|
||
| handleDataBuf := make([]types.Datum, len(copCtx.GetBase().HandleOutputOffsets)) | ||
|
|
||
| iter := chunk.NewIterator4Chunk(copChunk) | ||
| row := iter.Begin() | ||
| c := copCtx.GetBase() | ||
| offsets := copCtx.IndexColumnOutputOffsets(idxInfo.ID) | ||
|
|
||
| b.ResetTimer() | ||
| for i := 0; i < b.N; i++ { | ||
| ddl.ExtractDatumByOffsetsForTest(row, offsets, c.ExprColumnInfos, handleDataBuf) | ||
| } | ||
| } | ||
|
|
||
| func BenchmarkGenerateIndexKV(b *testing.B) { | ||
| store, dom := testkit.CreateMockStoreAndDomain(b) | ||
| tk := testkit.NewTestKit(b, store) | ||
| tk.MustExec("use test") | ||
|
|
||
| tk.MustExec("drop table if exists t;") | ||
| tk.MustExec("create table t (a bigint, b int, index idx (b));") | ||
| for i := 0; i < 8; i++ { | ||
| tk.MustExec("insert into t values (?, ?)", i, i) | ||
| } | ||
| tbl, err := dom.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t")) | ||
| require.NoError(b, err) | ||
| tblInfo := tbl.Meta() | ||
| idxInfo := tblInfo.FindIndexByName("idx") | ||
|
|
||
| index := tables.NewIndex(tblInfo.ID, tblInfo, idxInfo) | ||
| sctx := tk.Session().GetSessionVars().StmtCtx | ||
| idxDt := []types.Datum{types.NewIntDatum(10)} | ||
| buf := make([]byte, 0, 64) | ||
| handle := kv.IntHandle(1) | ||
|
|
||
| b.ResetTimer() | ||
| for i := 0; i < b.N; i++ { | ||
| buf = buf[:0] | ||
| iter := index.GenIndexKVIter(sctx, idxDt, handle, nil) | ||
| _, _, _, err = iter.Next(buf, nil) | ||
| if err != nil { | ||
| break | ||
| } | ||
| } | ||
| require.NoError(b, err) | ||
| } |
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