// Copyright 2020 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, // See the License for the specific language governing permissions and // limitations under the License. package executor_test import ( "context" . "github.com/pingcap/check" "github.com/pingcap/failpoint" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/executor" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/set" "github.com/pingcap/tidb/util/testkit" ) var _ = SerialSuites(&inspectionSummarySuite{}) type inspectionSummarySuite struct { store kv.Storage dom *domain.Domain } func (s *inspectionSummarySuite) SetUpSuite(c *C) { store, dom, err := newStoreWithBootstrap() c.Assert(err, IsNil) s.store = store s.dom = dom } func (s *inspectionSummarySuite) TearDownSuite(c *C) { s.dom.Close() s.store.Close() } func (s *inspectionSummarySuite) TestValidInspectionSummaryRules(c *C) { for rule, tbls := range executor.InspectionSummaryRules { tables := set.StringSet{} for _, t := range tbls { c.Assert(tables.Exist(t), IsFalse, Commentf("duplicate table name: %v in rule: %v", t, rule)) tables.Insert(t) _, found := infoschema.MetricTableMap[t] c.Assert(found, IsTrue, Commentf("metric table %v not define", t)) } } } func (s *inspectionSummarySuite) TestInspectionSummary(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) fpName := "github.com/pingcap/tidb/executor/mockMetricsTableData" c.Assert(failpoint.Enable(fpName, "return"), IsNil) defer func() { c.Assert(failpoint.Disable(fpName), IsNil) }() datetime := func(s string) types.Time { t, err := types.ParseTime(tk.Se.GetSessionVars().StmtCtx, s, mysql.TypeDatetime, types.MaxFsp) c.Assert(err, IsNil) return t } // construct some mock data mockData := map[string][][]types.Datum{ // columns: time, instance, type, result, value "tidb_qps": { types.MakeDatums(datetime("2020-02-12 10:35:00"), "tidb-0", "Query", "OK", 0.0), types.MakeDatums(datetime("2020-02-12 10:36:00"), "tidb-0", "Query", "Error", 1.0), types.MakeDatums(datetime("2020-02-12 10:37:00"), "tidb-1", "Quit", "Error", 5.0), types.MakeDatums(datetime("2020-02-12 10:37:00"), "tidb-1", "Quit", "Error", 9.0), }, // columns: time, instance, sql_type, quantile, value "tidb_query_duration": { types.MakeDatums(datetime("2020-02-12 10:35:00"), "tikv-0", "Select", 0.99, 0.0), types.MakeDatums(datetime("2020-02-12 10:36:00"), "tikv-1", "Update", 0.99, 1.0), types.MakeDatums(datetime("2020-02-12 10:36:00"), "tikv-1", "Update", 0.99, 3.0), types.MakeDatums(datetime("2020-02-12 10:37:00"), "tikv-2", "Delete", 0.99, 5.0), }, } ctx := context.WithValue(context.Background(), "__mockMetricsTableData", mockData) ctx = failpoint.WithHook(ctx, func(_ context.Context, fpname string) bool { return fpName == fpname }) rs, err := tk.Se.Execute(ctx, "select * from information_schema.inspection_summary where rule='query-summary' and metrics_name in ('tidb_qps', 'tidb_query_duration')") c.Assert(err, IsNil) result := tk.ResultSetToResultWithCtx(ctx, rs[0], Commentf("execute inspect SQL failed")) c.Assert(tk.Se.GetSessionVars().StmtCtx.WarningCount(), Equals, uint16(0), Commentf("unexpected warnings: %+v", tk.Se.GetSessionVars().StmtCtx.GetWarnings())) result.Check(testkit.Rows( "query-summary tikv-0 tidb_query_duration Select 0.99 0 0 0 The quantile of TiDB query durations(second)", "query-summary tikv-1 tidb_query_duration Update 0.99 2 1 3 The quantile of TiDB query durations(second)", "query-summary tikv-2 tidb_query_duration Delete 0.99 5 5 5 The quantile of TiDB query durations(second)", "query-summary tidb-0 tidb_qps Query, Error 1 1 1 TiDB query processing numbers per second", "query-summary tidb-0 tidb_qps Query, OK 0 0 0 TiDB query processing numbers per second", "query-summary tidb-1 tidb_qps Quit, Error 7 5 9 TiDB query processing numbers per second", )) // Test for select * from information_schema.inspection_summary without specify rules. rs, err = tk.Se.Execute(ctx, "select * from information_schema.inspection_summary where metrics_name = 'tidb_qps'") c.Assert(err, IsNil) result = tk.ResultSetToResultWithCtx(ctx, rs[0], Commentf("execute inspect SQL failed")) c.Assert(tk.Se.GetSessionVars().StmtCtx.WarningCount(), Equals, uint16(0), Commentf("unexpected warnings: %+v", tk.Se.GetSessionVars().StmtCtx.GetWarnings())) result.Check(testkit.Rows( "query-summary tidb-0 tidb_qps Query, Error 1 1 1 TiDB query processing numbers per second", "query-summary tidb-0 tidb_qps Query, OK 0 0 0 TiDB query processing numbers per second", "query-summary tidb-1 tidb_qps Quit, Error 7 5 9 TiDB query processing numbers per second", )) }