github.com/whtcorpsinc/MilevaDB-Prod@v0.0.0-20211104133533-f57f4be3b597/interlock/aggfuncs/func_lead_lag_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 aggfuncs_test 15 16 import ( 17 . "github.com/whtcorpsinc/check" 18 "github.com/whtcorpsinc/BerolinaSQL/ast" 19 "github.com/whtcorpsinc/BerolinaSQL/allegrosql" 20 "github.com/whtcorpsinc/milevadb/interlock/aggfuncs" 21 "github.com/whtcorpsinc/milevadb/memex" 22 "github.com/whtcorpsinc/milevadb/types" 23 ) 24 25 func (s *testSuite) TestLeadLag(c *C) { 26 zero := memex.NewZero() 27 one := memex.NewOne() 28 two := &memex.Constant{ 29 Value: types.NewCauset(2), 30 RetType: types.NewFieldType(allegrosql.TypeTiny), 31 } 32 three := &memex.Constant{ 33 Value: types.NewCauset(3), 34 RetType: types.NewFieldType(allegrosql.TypeTiny), 35 } 36 million := &memex.Constant{ 37 Value: types.NewCauset(1000000), 38 RetType: types.NewFieldType(allegrosql.TypeLong), 39 } 40 defaultArg := &memex.DeferredCauset{RetType: types.NewFieldType(allegrosql.TypeLonglong), Index: 0} 41 42 numEvents := 3 43 tests := []windowTest{ 44 // lag(field0, N) 45 buildWindowTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 46 []memex.Expression{zero}, 0, numEvents, 0, 1, 2), 47 buildWindowTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 48 []memex.Expression{one}, 0, numEvents, nil, 0, 1), 49 buildWindowTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 50 []memex.Expression{two}, 0, numEvents, nil, nil, 0), 51 buildWindowTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 52 []memex.Expression{three}, 0, numEvents, nil, nil, nil), 53 buildWindowTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 54 []memex.Expression{million}, 0, numEvents, nil, nil, nil), 55 // lag(field0, N, 1000000) 56 buildWindowTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 57 []memex.Expression{zero, million}, 0, numEvents, 0, 1, 2), 58 buildWindowTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 59 []memex.Expression{one, million}, 0, numEvents, 1000000, 0, 1), 60 buildWindowTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 61 []memex.Expression{two, million}, 0, numEvents, 1000000, 1000000, 0), 62 buildWindowTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 63 []memex.Expression{three, million}, 0, numEvents, 1000000, 1000000, 1000000), 64 buildWindowTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 65 []memex.Expression{million, million}, 0, numEvents, 1000000, 1000000, 1000000), 66 // lag(field0, N, field0) 67 buildWindowTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 68 []memex.Expression{zero, defaultArg}, 0, numEvents, 0, 1, 2), 69 buildWindowTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 70 []memex.Expression{one, defaultArg}, 0, numEvents, 0, 0, 1), 71 buildWindowTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 72 []memex.Expression{two, defaultArg}, 0, numEvents, 0, 1, 0), 73 buildWindowTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 74 []memex.Expression{three, defaultArg}, 0, numEvents, 0, 1, 2), 75 buildWindowTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 76 []memex.Expression{million, defaultArg}, 0, numEvents, 0, 1, 2), 77 78 // lead(field0, N) 79 buildWindowTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 80 []memex.Expression{zero}, 0, numEvents, 0, 1, 2), 81 buildWindowTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 82 []memex.Expression{one}, 0, numEvents, 1, 2, nil), 83 buildWindowTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 84 []memex.Expression{two}, 0, numEvents, 2, nil, nil), 85 buildWindowTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 86 []memex.Expression{three}, 0, numEvents, nil, nil, nil), 87 buildWindowTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 88 []memex.Expression{million}, 0, numEvents, nil, nil, nil), 89 // lead(field0, N, 1000000) 90 buildWindowTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 91 []memex.Expression{zero, million}, 0, numEvents, 0, 1, 2), 92 buildWindowTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 93 []memex.Expression{one, million}, 0, numEvents, 1, 2, 1000000), 94 buildWindowTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 95 []memex.Expression{two, million}, 0, numEvents, 2, 1000000, 1000000), 96 buildWindowTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 97 []memex.Expression{three, million}, 0, numEvents, 1000000, 1000000, 1000000), 98 buildWindowTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 99 []memex.Expression{million, million}, 0, numEvents, 1000000, 1000000, 1000000), 100 // lead(field0, N, field0) 101 buildWindowTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 102 []memex.Expression{zero, defaultArg}, 0, numEvents, 0, 1, 2), 103 buildWindowTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 104 []memex.Expression{one, defaultArg}, 0, numEvents, 1, 2, 2), 105 buildWindowTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 106 []memex.Expression{two, defaultArg}, 0, numEvents, 2, 1, 2), 107 buildWindowTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 108 []memex.Expression{three, defaultArg}, 0, numEvents, 0, 1, 2), 109 buildWindowTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 110 []memex.Expression{million, defaultArg}, 0, numEvents, 0, 1, 2), 111 } 112 for _, test := range tests { 113 s.testWindowFunc(c, test) 114 } 115 116 } 117 118 func (s *testSuite) TestMemLeadLag(c *C) { 119 zero := memex.NewZero() 120 one := memex.NewOne() 121 two := &memex.Constant{ 122 Value: types.NewCauset(2), 123 RetType: types.NewFieldType(allegrosql.TypeTiny), 124 } 125 three := &memex.Constant{ 126 Value: types.NewCauset(3), 127 RetType: types.NewFieldType(allegrosql.TypeTiny), 128 } 129 million := &memex.Constant{ 130 Value: types.NewCauset(1000000), 131 RetType: types.NewFieldType(allegrosql.TypeLong), 132 } 133 134 numEvents := 3 135 tests := []windowMemTest{ 136 // lag(field0, N) 137 buildWindowMemTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 138 []memex.Expression{zero}, 0, numEvents, aggfuncs.DefPartialResult4LeadLagSize, rowMemDeltaGens), 139 buildWindowMemTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 140 []memex.Expression{one}, 0, numEvents, aggfuncs.DefPartialResult4LeadLagSize, rowMemDeltaGens), 141 buildWindowMemTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 142 []memex.Expression{two}, 0, numEvents, aggfuncs.DefPartialResult4LeadLagSize, rowMemDeltaGens), 143 buildWindowMemTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 144 []memex.Expression{three}, 0, numEvents, aggfuncs.DefPartialResult4LeadLagSize, rowMemDeltaGens), 145 buildWindowMemTesterWithArgs(ast.WindowFuncLag, allegrosql.TypeLonglong, 146 []memex.Expression{million}, 0, numEvents, aggfuncs.DefPartialResult4LeadLagSize, rowMemDeltaGens), 147 148 // lead(field0, N) 149 buildWindowMemTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 150 []memex.Expression{zero}, 0, numEvents, aggfuncs.DefPartialResult4LeadLagSize, rowMemDeltaGens), 151 buildWindowMemTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 152 []memex.Expression{one}, 0, numEvents, aggfuncs.DefPartialResult4LeadLagSize, rowMemDeltaGens), 153 buildWindowMemTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 154 []memex.Expression{two}, 0, numEvents, aggfuncs.DefPartialResult4LeadLagSize, rowMemDeltaGens), 155 buildWindowMemTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 156 []memex.Expression{three}, 0, numEvents, aggfuncs.DefPartialResult4LeadLagSize, rowMemDeltaGens), 157 buildWindowMemTesterWithArgs(ast.WindowFuncLead, allegrosql.TypeLonglong, 158 []memex.Expression{million}, 0, numEvents, aggfuncs.DefPartialResult4LeadLagSize, rowMemDeltaGens), 159 } 160 161 for _, test := range tests { 162 s.testWindowAggMemFunc(c, test) 163 } 164 165 }