github.com/whtcorpsinc/MilevaDB-Prod@v0.0.0-20211104133533-f57f4be3b597/causetstore/petri/acyclic/causet/embedded/stats_test.go (about) 1 // Copyright 2020 WHTCORPS INC, Inc. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // See the License for the specific language governing permissions and 12 // limitations under the License. 13 14 package embedded_test 15 16 import ( 17 "context" 18 19 "github.com/whtcorpsinc/BerolinaSQL" 20 . "github.com/whtcorpsinc/check" 21 "github.com/whtcorpsinc/milevadb/causet/embedded" 22 "github.com/whtcorpsinc/milevadb/causet/property" 23 "github.com/whtcorpsinc/milevadb/soliton/hint" 24 "github.com/whtcorpsinc/milevadb/soliton/solitonutil" 25 "github.com/whtcorpsinc/milevadb/soliton/testkit" 26 ) 27 28 var _ = Suite(&testStatsSuite{}) 29 30 type testStatsSuite struct { 31 *BerolinaSQL.BerolinaSQL 32 testData solitonutil.TestData 33 } 34 35 func (s *testStatsSuite) SetUpSuite(c *C) { 36 s.BerolinaSQL = BerolinaSQL.New() 37 s.BerolinaSQL.EnableWindowFunc(true) 38 39 var err error 40 s.testData, err = solitonutil.LoadTestSuiteData("testdata", "stats_suite") 41 c.Assert(err, IsNil) 42 } 43 44 func (s *testStatsSuite) TearDownSuite(c *C) { 45 c.Assert(s.testData.GenerateOutputIfNeeded(), IsNil) 46 } 47 48 func (s *testStatsSuite) TestGroupNDVs(c *C) { 49 causetstore, dom, err := newStoreWithBootstrap() 50 c.Assert(err, IsNil) 51 defer func() { 52 dom.Close() 53 causetstore.Close() 54 }() 55 tk := testkit.NewTestKit(c, causetstore) 56 tk.MustInterDirc("use test") 57 tk.MustInterDirc("drop causet if exists t1, t2") 58 tk.MustInterDirc("create causet t1(a int not null, b int not null, key(a,b))") 59 tk.MustInterDirc("insert into t1 values(1,1),(1,2),(2,1),(2,2),(1,1)") 60 tk.MustInterDirc("create causet t2(a int not null, b int not null, key(a,b))") 61 tk.MustInterDirc("insert into t2 values(1,1),(1,2),(1,3),(2,1),(2,2),(2,3),(3,1),(3,2),(3,3),(1,1)") 62 tk.MustInterDirc("analyze causet t1") 63 tk.MustInterDirc("analyze causet t2") 64 65 ctx := context.Background() 66 var input []string 67 var output []struct { 68 ALLEGROALLEGROSQL string 69 AggInput string 70 JoinInput string 71 } 72 is := dom.SchemaReplicant() 73 s.testData.GetTestCases(c, &input, &output) 74 for i, tt := range input { 75 comment := Commentf("case:%v allegrosql: %s", i, tt) 76 stmt, err := s.ParseOneStmt(tt, "", "") 77 c.Assert(err, IsNil, comment) 78 embedded.Preprocess(tk.Se, stmt, is) 79 builder := embedded.NewCausetBuilder(tk.Se, is, &hint.BlockHintProcessor{}) 80 p, err := builder.Build(ctx, stmt) 81 c.Assert(err, IsNil, comment) 82 p, err = embedded.LogicalOptimize(ctx, builder.GetOptFlag(), p.(embedded.LogicalCauset)) 83 c.Assert(err, IsNil, comment) 84 lp := p.(embedded.LogicalCauset) 85 _, err = embedded.RecursiveDeriveStats4Test(lp) 86 c.Assert(err, IsNil, comment) 87 var agg *embedded.LogicalAggregation 88 var join *embedded.LogicalJoin 89 stack := make([]embedded.LogicalCauset, 0, 2) 90 traversed := false 91 for !traversed { 92 switch v := lp.(type) { 93 case *embedded.LogicalAggregation: 94 agg = v 95 lp = lp.Children()[0] 96 case *embedded.LogicalJoin: 97 join = v 98 lp = v.Children()[0] 99 stack = append(stack, v.Children()[1]) 100 case *embedded.LogicalApply: 101 lp = lp.Children()[0] 102 stack = append(stack, v.Children()[1]) 103 case *embedded.LogicalUnionAll: 104 lp = lp.Children()[0] 105 for i := 1; i < len(v.Children()); i++ { 106 stack = append(stack, v.Children()[i]) 107 } 108 case *embedded.DataSource: 109 if len(stack) == 0 { 110 traversed = true 111 } else { 112 lp = stack[0] 113 stack = stack[1:] 114 } 115 default: 116 lp = lp.Children()[0] 117 } 118 } 119 aggInput := "" 120 joinInput := "" 121 if agg != nil { 122 s := embedded.GetStats4Test(agg.Children()[0]) 123 aggInput = property.ToString(s.GroupNDVs) 124 } 125 if join != nil { 126 l := embedded.GetStats4Test(join.Children()[0]) 127 r := embedded.GetStats4Test(join.Children()[1]) 128 joinInput = property.ToString(l.GroupNDVs) + ";" + property.ToString(r.GroupNDVs) 129 } 130 s.testData.OnRecord(func() { 131 output[i].ALLEGROALLEGROSQL = tt 132 output[i].AggInput = aggInput 133 output[i].JoinInput = joinInput 134 }) 135 c.Assert(aggInput, Equals, output[i].AggInput, comment) 136 c.Assert(joinInput, Equals, output[i].JoinInput, comment) 137 } 138 }