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627 lines
17 KiB
627 lines
17 KiB
// Copyright 2017 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 expression
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import (
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"math"
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. "github.com/pingcap/check"
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"github.com/pingcap/errors"
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"github.com/pingcap/parser/ast"
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"github.com/pingcap/tidb/types"
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"github.com/pingcap/tidb/util/chunk"
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"github.com/pingcap/tidb/util/testutil"
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)
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func (s *testEvaluatorSuite) TestUnary(c *C) {
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cases := []struct {
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args interface{}
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expected interface{}
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overflow bool
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getErr bool
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}{
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{uint64(9223372036854775809), "-9223372036854775809", true, false},
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{uint64(9223372036854775810), "-9223372036854775810", true, false},
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{uint64(9223372036854775808), int64(-9223372036854775808), false, false},
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{int64(math.MinInt64), "9223372036854775808", true, false}, // --9223372036854775808
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}
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sc := s.ctx.GetSessionVars().StmtCtx
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origin := sc.InSelectStmt
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sc.InSelectStmt = true
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defer func() {
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sc.InSelectStmt = origin
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}()
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for _, t := range cases {
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f, err := newFunctionForTest(s.ctx, ast.UnaryMinus, s.primitiveValsToConstants([]interface{}{t.args})...)
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c.Assert(err, IsNil)
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d, err := f.Eval(chunk.Row{})
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if !t.getErr {
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c.Assert(err, IsNil)
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if !t.overflow {
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c.Assert(d.GetValue(), Equals, t.expected)
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} else {
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c.Assert(d.GetMysqlDecimal().String(), Equals, t.expected)
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}
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} else {
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c.Assert(err, NotNil)
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}
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}
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_, err := funcs[ast.UnaryMinus].getFunction(s.ctx, []Expression{NewZero()})
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c.Assert(err, IsNil)
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}
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func (s *testEvaluatorSuite) TestLogicAnd(c *C) {
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sc := s.ctx.GetSessionVars().StmtCtx
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origin := sc.IgnoreTruncate
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defer func() {
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sc.IgnoreTruncate = origin
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}()
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sc.IgnoreTruncate = true
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cases := []struct {
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args []interface{}
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expected int64
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isNil bool
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getErr bool
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}{
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{[]interface{}{1, 1}, 1, false, false},
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{[]interface{}{1, 0}, 0, false, false},
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{[]interface{}{0, 1}, 0, false, false},
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{[]interface{}{0, 0}, 0, false, false},
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{[]interface{}{2, -1}, 1, false, false},
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{[]interface{}{"a", "0"}, 0, false, false},
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{[]interface{}{"a", "1"}, 0, false, false},
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{[]interface{}{"1a", "0"}, 0, false, false},
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{[]interface{}{"1a", "1"}, 1, false, false},
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{[]interface{}{0, nil}, 0, false, false},
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{[]interface{}{nil, 0}, 0, false, false},
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{[]interface{}{nil, 1}, 0, true, false},
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{[]interface{}{0.001, 0}, 0, false, false},
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{[]interface{}{0.001, 1}, 1, false, false},
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{[]interface{}{nil, 0.000}, 0, false, false},
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{[]interface{}{nil, 0.001}, 0, true, false},
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{[]interface{}{types.NewDecFromStringForTest("0.000001"), 0}, 0, false, false},
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{[]interface{}{types.NewDecFromStringForTest("0.000001"), 1}, 1, false, false},
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{[]interface{}{types.NewDecFromStringForTest("0.000000"), nil}, 0, false, false},
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{[]interface{}{types.NewDecFromStringForTest("0.000001"), nil}, 0, true, false},
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{[]interface{}{errors.New("must error"), 1}, 0, false, true},
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}
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for _, t := range cases {
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f, err := newFunctionForTest(s.ctx, ast.LogicAnd, s.primitiveValsToConstants(t.args)...)
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c.Assert(err, IsNil)
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d, err := f.Eval(chunk.Row{})
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if t.getErr {
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c.Assert(err, NotNil)
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} else {
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c.Assert(err, IsNil)
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if t.isNil {
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c.Assert(d.Kind(), Equals, types.KindNull)
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} else {
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c.Assert(d.GetInt64(), Equals, t.expected)
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}
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}
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}
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// Test incorrect parameter count.
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_, err := newFunctionForTest(s.ctx, ast.LogicAnd, NewZero())
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c.Assert(err, NotNil)
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_, err = funcs[ast.LogicAnd].getFunction(s.ctx, []Expression{NewZero(), NewZero()})
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c.Assert(err, IsNil)
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}
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func (s *testEvaluatorSuite) TestLeftShift(c *C) {
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cases := []struct {
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args []interface{}
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expected uint64
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isNil bool
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getErr bool
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}{
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{[]interface{}{123, 2}, uint64(492), false, false},
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{[]interface{}{-123, 2}, uint64(18446744073709551124), false, false},
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{[]interface{}{nil, 1}, 0, true, false},
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{[]interface{}{errors.New("must error"), 1}, 0, false, true},
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}
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for _, t := range cases {
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f, err := newFunctionForTest(s.ctx, ast.LeftShift, s.primitiveValsToConstants(t.args)...)
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c.Assert(err, IsNil)
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d, err := f.Eval(chunk.Row{})
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if t.getErr {
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c.Assert(err, NotNil)
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} else {
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c.Assert(err, IsNil)
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if t.isNil {
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c.Assert(d.Kind(), Equals, types.KindNull)
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} else {
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c.Assert(d.GetUint64(), Equals, t.expected)
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}
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}
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}
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}
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func (s *testEvaluatorSuite) TestRightShift(c *C) {
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cases := []struct {
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args []interface{}
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expected uint64
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isNil bool
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getErr bool
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}{
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{[]interface{}{123, 2}, uint64(30), false, false},
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{[]interface{}{-123, 2}, uint64(4611686018427387873), false, false},
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{[]interface{}{nil, 1}, 0, true, false},
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{[]interface{}{errors.New("must error"), 1}, 0, false, true},
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}
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for _, t := range cases {
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f, err := newFunctionForTest(s.ctx, ast.RightShift, s.primitiveValsToConstants(t.args)...)
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c.Assert(err, IsNil)
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d, err := f.Eval(chunk.Row{})
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if t.getErr {
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c.Assert(err, NotNil)
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} else {
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c.Assert(err, IsNil)
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if t.isNil {
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c.Assert(d.Kind(), Equals, types.KindNull)
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} else {
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c.Assert(d.GetUint64(), Equals, t.expected)
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}
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}
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}
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// Test incorrect parameter count.
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_, err := newFunctionForTest(s.ctx, ast.RightShift, NewZero())
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c.Assert(err, NotNil)
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_, err = funcs[ast.RightShift].getFunction(s.ctx, []Expression{NewZero(), NewZero()})
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c.Assert(err, IsNil)
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}
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func (s *testEvaluatorSuite) TestBitXor(c *C) {
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cases := []struct {
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args []interface{}
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expected uint64
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isNil bool
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getErr bool
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}{
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{[]interface{}{123, 321}, uint64(314), false, false},
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{[]interface{}{-123, 321}, uint64(18446744073709551300), false, false},
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{[]interface{}{nil, 1}, 0, true, false},
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{[]interface{}{errors.New("must error"), 1}, 0, false, true},
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}
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for _, t := range cases {
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f, err := newFunctionForTest(s.ctx, ast.Xor, s.primitiveValsToConstants(t.args)...)
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c.Assert(err, IsNil)
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d, err := f.Eval(chunk.Row{})
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if t.getErr {
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c.Assert(err, NotNil)
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} else {
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c.Assert(err, IsNil)
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if t.isNil {
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c.Assert(d.Kind(), Equals, types.KindNull)
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} else {
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c.Assert(d.GetUint64(), Equals, t.expected)
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}
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}
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}
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// Test incorrect parameter count.
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_, err := newFunctionForTest(s.ctx, ast.Xor, NewZero())
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c.Assert(err, NotNil)
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_, err = funcs[ast.Xor].getFunction(s.ctx, []Expression{NewZero(), NewZero()})
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c.Assert(err, IsNil)
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}
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func (s *testEvaluatorSuite) TestBitOr(c *C) {
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sc := s.ctx.GetSessionVars().StmtCtx
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origin := sc.IgnoreTruncate
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defer func() {
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sc.IgnoreTruncate = origin
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}()
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sc.IgnoreTruncate = true
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cases := []struct {
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args []interface{}
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expected uint64
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isNil bool
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getErr bool
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}{
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{[]interface{}{123, 321}, uint64(379), false, false},
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{[]interface{}{-123, 321}, uint64(18446744073709551557), false, false},
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{[]interface{}{nil, 1}, 0, true, false},
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{[]interface{}{errors.New("must error"), 1}, 0, false, true},
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}
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for _, t := range cases {
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f, err := newFunctionForTest(s.ctx, ast.Or, s.primitiveValsToConstants(t.args)...)
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c.Assert(err, IsNil)
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d, err := f.Eval(chunk.Row{})
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if t.getErr {
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c.Assert(err, NotNil)
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} else {
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c.Assert(err, IsNil)
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if t.isNil {
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c.Assert(d.Kind(), Equals, types.KindNull)
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} else {
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c.Assert(d.GetUint64(), Equals, t.expected)
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}
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}
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}
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// Test incorrect parameter count.
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_, err := newFunctionForTest(s.ctx, ast.Or, NewZero())
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c.Assert(err, NotNil)
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_, err = funcs[ast.Or].getFunction(s.ctx, []Expression{NewZero(), NewZero()})
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c.Assert(err, IsNil)
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}
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func (s *testEvaluatorSuite) TestLogicOr(c *C) {
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sc := s.ctx.GetSessionVars().StmtCtx
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origin := sc.IgnoreTruncate
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defer func() {
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sc.IgnoreTruncate = origin
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}()
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sc.IgnoreTruncate = true
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cases := []struct {
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args []interface{}
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expected int64
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isNil bool
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getErr bool
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}{
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{[]interface{}{1, 1}, 1, false, false},
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{[]interface{}{1, 0}, 1, false, false},
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{[]interface{}{0, 1}, 1, false, false},
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{[]interface{}{0, 0}, 0, false, false},
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{[]interface{}{2, -1}, 1, false, false},
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{[]interface{}{"a", "0"}, 0, false, false},
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{[]interface{}{"a", "1"}, 1, false, false},
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{[]interface{}{"1a", "0"}, 1, false, false},
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{[]interface{}{"1a", "1"}, 1, false, false},
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{[]interface{}{"0.0a", 0}, 0, false, false},
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{[]interface{}{"0.0001a", 0}, 1, false, false},
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{[]interface{}{1, nil}, 1, false, false},
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{[]interface{}{nil, 1}, 1, false, false},
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{[]interface{}{nil, 0}, 0, true, false},
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{[]interface{}{0.000, 0}, 0, false, false},
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{[]interface{}{0.001, 0}, 1, false, false},
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{[]interface{}{nil, 0.000}, 0, true, false},
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{[]interface{}{nil, 0.001}, 1, false, false},
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{[]interface{}{types.NewDecFromStringForTest("0.000000"), 0}, 0, false, false},
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{[]interface{}{types.NewDecFromStringForTest("0.000000"), 1}, 1, false, false},
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{[]interface{}{types.NewDecFromStringForTest("0.000000"), nil}, 0, true, false},
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{[]interface{}{types.NewDecFromStringForTest("0.000001"), 0}, 1, false, false},
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{[]interface{}{types.NewDecFromStringForTest("0.000001"), 1}, 1, false, false},
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{[]interface{}{types.NewDecFromStringForTest("0.000001"), nil}, 1, false, false},
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{[]interface{}{errors.New("must error"), 1}, 0, false, true},
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}
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for _, t := range cases {
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f, err := newFunctionForTest(s.ctx, ast.LogicOr, s.primitiveValsToConstants(t.args)...)
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c.Assert(err, IsNil)
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d, err := f.Eval(chunk.Row{})
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if t.getErr {
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c.Assert(err, NotNil)
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} else {
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c.Assert(err, IsNil)
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if t.isNil {
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c.Assert(d.Kind(), Equals, types.KindNull)
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} else {
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c.Assert(d.GetInt64(), Equals, t.expected)
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}
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}
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}
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// Test incorrect parameter count.
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_, err := newFunctionForTest(s.ctx, ast.LogicOr, NewZero())
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c.Assert(err, NotNil)
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_, err = funcs[ast.LogicOr].getFunction(s.ctx, []Expression{NewZero(), NewZero()})
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c.Assert(err, IsNil)
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}
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func (s *testEvaluatorSuite) TestBitAnd(c *C) {
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cases := []struct {
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args []interface{}
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expected int64
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isNil bool
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getErr bool
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}{
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{[]interface{}{123, 321}, 65, false, false},
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{[]interface{}{-123, 321}, 257, false, false},
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{[]interface{}{nil, 1}, 0, true, false},
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{[]interface{}{errors.New("must error"), 1}, 0, false, true},
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}
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for _, t := range cases {
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f, err := newFunctionForTest(s.ctx, ast.And, s.primitiveValsToConstants(t.args)...)
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c.Assert(err, IsNil)
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d, err := f.Eval(chunk.Row{})
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if t.getErr {
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c.Assert(err, NotNil)
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} else {
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c.Assert(err, IsNil)
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if t.isNil {
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c.Assert(d.Kind(), Equals, types.KindNull)
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} else {
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c.Assert(d.GetInt64(), Equals, t.expected)
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}
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}
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}
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// Test incorrect parameter count.
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_, err := newFunctionForTest(s.ctx, ast.And, NewZero())
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c.Assert(err, NotNil)
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_, err = funcs[ast.And].getFunction(s.ctx, []Expression{NewZero(), NewZero()})
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c.Assert(err, IsNil)
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}
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func (s *testEvaluatorSuite) TestBitNeg(c *C) {
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sc := s.ctx.GetSessionVars().StmtCtx
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origin := sc.IgnoreTruncate
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defer func() {
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sc.IgnoreTruncate = origin
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}()
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sc.IgnoreTruncate = true
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cases := []struct {
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args []interface{}
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expected uint64
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isNil bool
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getErr bool
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}{
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{[]interface{}{123}, uint64(18446744073709551492), false, false},
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{[]interface{}{-123}, uint64(122), false, false},
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{[]interface{}{nil}, 0, true, false},
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{[]interface{}{errors.New("must error")}, 0, false, true},
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}
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for _, t := range cases {
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f, err := newFunctionForTest(s.ctx, ast.BitNeg, s.primitiveValsToConstants(t.args)...)
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c.Assert(err, IsNil)
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d, err := f.Eval(chunk.Row{})
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if t.getErr {
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c.Assert(err, NotNil)
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} else {
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c.Assert(err, IsNil)
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if t.isNil {
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c.Assert(d.Kind(), Equals, types.KindNull)
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} else {
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c.Assert(d.GetUint64(), Equals, t.expected)
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}
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}
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}
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// Test incorrect parameter count.
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_, err := newFunctionForTest(s.ctx, ast.BitNeg, NewZero(), NewZero())
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c.Assert(err, NotNil)
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_, err = funcs[ast.BitNeg].getFunction(s.ctx, []Expression{NewZero()})
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c.Assert(err, IsNil)
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}
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func (s *testEvaluatorSuite) TestUnaryNot(c *C) {
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sc := s.ctx.GetSessionVars().StmtCtx
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origin := sc.IgnoreTruncate
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defer func() {
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sc.IgnoreTruncate = origin
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}()
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sc.IgnoreTruncate = true
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|
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cases := []struct {
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args []interface{}
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expected int64
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isNil bool
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getErr bool
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}{
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{[]interface{}{1}, 0, false, false},
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{[]interface{}{0}, 1, false, false},
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{[]interface{}{123}, 0, false, false},
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{[]interface{}{-123}, 0, false, false},
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{[]interface{}{"123"}, 0, false, false},
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{[]interface{}{float64(0.3)}, 0, false, false},
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{[]interface{}{"0.3"}, 0, false, false},
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{[]interface{}{types.NewDecFromFloatForTest(0.3)}, 0, false, false},
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{[]interface{}{nil}, 0, true, false},
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{[]interface{}{errors.New("must error")}, 0, false, true},
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}
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for _, t := range cases {
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f, err := newFunctionForTest(s.ctx, ast.UnaryNot, s.primitiveValsToConstants(t.args)...)
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c.Assert(err, IsNil)
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d, err := f.Eval(chunk.Row{})
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if t.getErr {
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c.Assert(err, NotNil)
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} else {
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c.Assert(err, IsNil)
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if t.isNil {
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c.Assert(d.Kind(), Equals, types.KindNull)
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} else {
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c.Assert(d.GetInt64(), Equals, t.expected)
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}
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}
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}
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// Test incorrect parameter count.
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_, err := newFunctionForTest(s.ctx, ast.UnaryNot, NewZero(), NewZero())
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c.Assert(err, NotNil)
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_, err = funcs[ast.UnaryNot].getFunction(s.ctx, []Expression{NewZero()})
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c.Assert(err, IsNil)
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}
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func (s *testEvaluatorSuite) TestIsTrueOrFalse(c *C) {
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sc := s.ctx.GetSessionVars().StmtCtx
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origin := sc.IgnoreTruncate
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defer func() {
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sc.IgnoreTruncate = origin
|
|
}()
|
|
sc.IgnoreTruncate = true
|
|
|
|
testCases := []struct {
|
|
args []interface{}
|
|
isTrue interface{}
|
|
isFalse interface{}
|
|
}{
|
|
{
|
|
args: []interface{}{-12},
|
|
isTrue: 1,
|
|
isFalse: 0,
|
|
},
|
|
{
|
|
args: []interface{}{12},
|
|
isTrue: 1,
|
|
isFalse: 0,
|
|
},
|
|
{
|
|
args: []interface{}{0},
|
|
isTrue: 0,
|
|
isFalse: 1,
|
|
},
|
|
{
|
|
args: []interface{}{float64(0)},
|
|
isTrue: 0,
|
|
isFalse: 1,
|
|
},
|
|
{
|
|
args: []interface{}{"aaa"},
|
|
isTrue: 0,
|
|
isFalse: 1,
|
|
},
|
|
{
|
|
args: []interface{}{""},
|
|
isTrue: 0,
|
|
isFalse: 1,
|
|
},
|
|
{
|
|
args: []interface{}{"0.3"},
|
|
isTrue: 1,
|
|
isFalse: 0,
|
|
},
|
|
{
|
|
args: []interface{}{float64(0.3)},
|
|
isTrue: 1,
|
|
isFalse: 0,
|
|
},
|
|
{
|
|
args: []interface{}{types.NewDecFromFloatForTest(0.3)},
|
|
isTrue: 1,
|
|
isFalse: 0,
|
|
},
|
|
{
|
|
args: []interface{}{nil},
|
|
isTrue: 0,
|
|
isFalse: 0,
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
isTrueSig, err := funcs[ast.IsTruthWithoutNull].getFunction(s.ctx, s.datumsToConstants(types.MakeDatums(tc.args...)))
|
|
c.Assert(err, IsNil)
|
|
c.Assert(isTrueSig, NotNil)
|
|
|
|
isTrue, err := evalBuiltinFunc(isTrueSig, chunk.Row{})
|
|
c.Assert(err, IsNil)
|
|
c.Assert(isTrue, testutil.DatumEquals, types.NewDatum(tc.isTrue))
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
isFalseSig, err := funcs[ast.IsFalsity].getFunction(s.ctx, s.datumsToConstants(types.MakeDatums(tc.args...)))
|
|
c.Assert(err, IsNil)
|
|
c.Assert(isFalseSig, NotNil)
|
|
|
|
isFalse, err := evalBuiltinFunc(isFalseSig, chunk.Row{})
|
|
c.Assert(err, IsNil)
|
|
c.Assert(isFalse, testutil.DatumEquals, types.NewDatum(tc.isFalse))
|
|
}
|
|
}
|
|
|
|
func (s *testEvaluatorSuite) TestLogicXor(c *C) {
|
|
sc := s.ctx.GetSessionVars().StmtCtx
|
|
origin := sc.IgnoreTruncate
|
|
defer func() {
|
|
sc.IgnoreTruncate = origin
|
|
}()
|
|
sc.IgnoreTruncate = true
|
|
|
|
cases := []struct {
|
|
args []interface{}
|
|
expected int64
|
|
isNil bool
|
|
getErr bool
|
|
}{
|
|
{[]interface{}{1, 1}, 0, false, false},
|
|
{[]interface{}{1, 0}, 1, false, false},
|
|
{[]interface{}{0, 1}, 1, false, false},
|
|
{[]interface{}{0, 0}, 0, false, false},
|
|
{[]interface{}{2, -1}, 0, false, false},
|
|
{[]interface{}{"a", "0"}, 0, false, false},
|
|
{[]interface{}{"a", "1"}, 1, false, false},
|
|
{[]interface{}{"1a", "0"}, 1, false, false},
|
|
{[]interface{}{"1a", "1"}, 0, false, false},
|
|
{[]interface{}{0, nil}, 0, true, false},
|
|
{[]interface{}{nil, 0}, 0, true, false},
|
|
{[]interface{}{nil, 1}, 0, true, false},
|
|
{[]interface{}{0.5000, 0.4999}, 0, false, false},
|
|
{[]interface{}{0.5000, 1.0}, 0, false, false},
|
|
{[]interface{}{0.4999, 1.0}, 0, false, false},
|
|
{[]interface{}{nil, 0.000}, 0, true, false},
|
|
{[]interface{}{nil, 0.001}, 0, true, false},
|
|
{[]interface{}{types.NewDecFromStringForTest("0.000001"), 0.00001}, 0, false, false},
|
|
{[]interface{}{types.NewDecFromStringForTest("0.000001"), 1}, 0, false, false},
|
|
{[]interface{}{types.NewDecFromStringForTest("0.000000"), nil}, 0, true, false},
|
|
{[]interface{}{types.NewDecFromStringForTest("0.000001"), nil}, 0, true, false},
|
|
|
|
{[]interface{}{errors.New("must error"), 1}, 0, false, true},
|
|
}
|
|
|
|
for _, t := range cases {
|
|
f, err := newFunctionForTest(s.ctx, ast.LogicXor, s.primitiveValsToConstants(t.args)...)
|
|
c.Assert(err, IsNil)
|
|
d, err := f.Eval(chunk.Row{})
|
|
if t.getErr {
|
|
c.Assert(err, NotNil)
|
|
} else {
|
|
c.Assert(err, IsNil)
|
|
if t.isNil {
|
|
c.Assert(d.Kind(), Equals, types.KindNull)
|
|
} else {
|
|
c.Assert(d.GetInt64(), Equals, t.expected)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Test incorrect parameter count.
|
|
_, err := newFunctionForTest(s.ctx, ast.LogicXor, NewZero())
|
|
c.Assert(err, NotNil)
|
|
|
|
_, err = funcs[ast.LogicXor].getFunction(s.ctx, []Expression{NewZero(), NewZero()})
|
|
c.Assert(err, IsNil)
|
|
}
|
|
|