83 lines
4.4 KiB
Go
83 lines
4.4 KiB
Go
// Copyright 2018 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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// See the License for the specific language governing permissions and
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// limitations under the License.
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package aggfuncs_test
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import (
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"time"
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. "github.com/pingcap/check"
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"github.com/pingcap/parser/ast"
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"github.com/pingcap/parser/mysql"
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"github.com/pingcap/tidb/types"
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"github.com/pingcap/tidb/types/json"
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)
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func (s *testSuite) TestMergePartialResult4MaxMin(c *C) {
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unsignedType := types.NewFieldType(mysql.TypeLonglong)
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unsignedType.Flag |= mysql.UnsignedFlag
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tests := []aggTest{
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buildAggTester(ast.AggFuncMax, mysql.TypeLonglong, 5, 4, 4, 4),
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buildAggTesterWithFieldType(ast.AggFuncMax, unsignedType, 5, 4, 4, 4),
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buildAggTester(ast.AggFuncMax, mysql.TypeFloat, 5, 4.0, 4.0, 4.0),
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buildAggTester(ast.AggFuncMax, mysql.TypeDouble, 5, 4.0, 4.0, 4.0),
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buildAggTester(ast.AggFuncMax, mysql.TypeNewDecimal, 5, types.NewDecFromInt(4), types.NewDecFromInt(4), types.NewDecFromInt(4)),
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buildAggTester(ast.AggFuncMax, mysql.TypeString, 5, "4", "4", "4"),
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buildAggTester(ast.AggFuncMax, mysql.TypeDate, 5, types.TimeFromDays(369), types.TimeFromDays(369), types.TimeFromDays(369)),
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buildAggTester(ast.AggFuncMax, mysql.TypeDuration, 5, types.Duration{Duration: time.Duration(4)}, types.Duration{Duration: time.Duration(4)}, types.Duration{Duration: time.Duration(4)}),
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buildAggTester(ast.AggFuncMax, mysql.TypeJSON, 5, json.CreateBinary(int64(4)), json.CreateBinary(int64(4)), json.CreateBinary(int64(4))),
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buildAggTester(ast.AggFuncMin, mysql.TypeLonglong, 5, 0, 2, 0),
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buildAggTesterWithFieldType(ast.AggFuncMin, unsignedType, 5, 0, 2, 0),
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buildAggTester(ast.AggFuncMin, mysql.TypeFloat, 5, 0.0, 2.0, 0.0),
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buildAggTester(ast.AggFuncMin, mysql.TypeDouble, 5, 0.0, 2.0, 0.0),
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buildAggTester(ast.AggFuncMin, mysql.TypeNewDecimal, 5, types.NewDecFromInt(0), types.NewDecFromInt(2), types.NewDecFromInt(0)),
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buildAggTester(ast.AggFuncMin, mysql.TypeString, 5, "0", "2", "0"),
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buildAggTester(ast.AggFuncMin, mysql.TypeDate, 5, types.TimeFromDays(365), types.TimeFromDays(367), types.TimeFromDays(365)),
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buildAggTester(ast.AggFuncMin, mysql.TypeDuration, 5, types.Duration{Duration: time.Duration(0)}, types.Duration{Duration: time.Duration(2)}, types.Duration{Duration: time.Duration(0)}),
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buildAggTester(ast.AggFuncMin, mysql.TypeJSON, 5, json.CreateBinary(int64(0)), json.CreateBinary(int64(2)), json.CreateBinary(int64(0))),
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}
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for _, test := range tests {
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s.testMergePartialResult(c, test)
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}
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}
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func (s *testSuite) TestMaxMin(c *C) {
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unsignedType := types.NewFieldType(mysql.TypeLonglong)
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unsignedType.Flag |= mysql.UnsignedFlag
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tests := []aggTest{
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buildAggTester(ast.AggFuncMax, mysql.TypeLonglong, 5, nil, 4),
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buildAggTesterWithFieldType(ast.AggFuncMax, unsignedType, 5, nil, 4),
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buildAggTester(ast.AggFuncMax, mysql.TypeFloat, 5, nil, 4.0),
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buildAggTester(ast.AggFuncMax, mysql.TypeDouble, 5, nil, 4.0),
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buildAggTester(ast.AggFuncMax, mysql.TypeNewDecimal, 5, nil, types.NewDecFromInt(4)),
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buildAggTester(ast.AggFuncMax, mysql.TypeString, 5, nil, "4", "4"),
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buildAggTester(ast.AggFuncMax, mysql.TypeDate, 5, nil, types.TimeFromDays(369)),
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buildAggTester(ast.AggFuncMax, mysql.TypeDuration, 5, nil, types.Duration{Duration: time.Duration(4)}),
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buildAggTester(ast.AggFuncMax, mysql.TypeJSON, 5, nil, json.CreateBinary(int64(4))),
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buildAggTester(ast.AggFuncMin, mysql.TypeLonglong, 5, nil, 0),
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buildAggTesterWithFieldType(ast.AggFuncMin, unsignedType, 5, nil, 0),
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buildAggTester(ast.AggFuncMin, mysql.TypeFloat, 5, nil, 0.0),
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buildAggTester(ast.AggFuncMin, mysql.TypeDouble, 5, nil, 0.0),
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buildAggTester(ast.AggFuncMin, mysql.TypeNewDecimal, 5, nil, types.NewDecFromInt(0)),
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buildAggTester(ast.AggFuncMin, mysql.TypeString, 5, nil, "0"),
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buildAggTester(ast.AggFuncMin, mysql.TypeDate, 5, nil, types.TimeFromDays(365)),
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buildAggTester(ast.AggFuncMin, mysql.TypeDuration, 5, nil, types.Duration{Duration: time.Duration(0)}),
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buildAggTester(ast.AggFuncMin, mysql.TypeJSON, 5, nil, json.CreateBinary(int64(0))),
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}
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for _, test := range tests {
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s.testAggFunc(c, test)
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}
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}
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