You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
2.4 KiB
88 lines
2.4 KiB
// 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
|
|
|
|
import (
|
|
. "github.com/pingcap/check"
|
|
"github.com/pingcap/parser/mysql"
|
|
"github.com/pingcap/tidb/expression"
|
|
"github.com/pingcap/tidb/types"
|
|
"github.com/pingcap/tidb/util/chunk"
|
|
"github.com/pingcap/tidb/util/collate"
|
|
"github.com/pingcap/tidb/util/mock"
|
|
)
|
|
|
|
var _ = SerialSuites(&testCollationSuite{})
|
|
|
|
type testCollationSuite struct {
|
|
}
|
|
|
|
func (s *testCollationSuite) TestVecGroupChecker(c *C) {
|
|
collate.SetNewCollationEnabledForTest(true)
|
|
defer collate.SetNewCollationEnabledForTest(false)
|
|
|
|
tp := &types.FieldType{Tp: mysql.TypeVarchar}
|
|
col0 := &expression.Column{
|
|
RetType: tp,
|
|
Index: 0,
|
|
}
|
|
ctx := mock.NewContext()
|
|
groupChecker := newVecGroupChecker(ctx, []expression.Expression{col0})
|
|
|
|
chk := chunk.New([]*types.FieldType{tp}, 6, 6)
|
|
chk.Reset()
|
|
chk.Column(0).AppendString("aaa")
|
|
chk.Column(0).AppendString("AAA")
|
|
chk.Column(0).AppendString("😜")
|
|
chk.Column(0).AppendString("😃")
|
|
chk.Column(0).AppendString("À")
|
|
chk.Column(0).AppendString("A")
|
|
|
|
tp.Collate = "bin"
|
|
groupChecker.reset()
|
|
_, err := groupChecker.splitIntoGroups(chk)
|
|
c.Assert(err, IsNil)
|
|
for i := 0; i < 6; i++ {
|
|
b, e := groupChecker.getNextGroup()
|
|
c.Assert(b, Equals, i)
|
|
c.Assert(e, Equals, i+1)
|
|
}
|
|
c.Assert(groupChecker.isExhausted(), IsTrue)
|
|
|
|
tp.Collate = "utf8_general_ci"
|
|
groupChecker.reset()
|
|
_, err = groupChecker.splitIntoGroups(chk)
|
|
c.Assert(err, IsNil)
|
|
for i := 0; i < 3; i++ {
|
|
b, e := groupChecker.getNextGroup()
|
|
c.Assert(b, Equals, i*2)
|
|
c.Assert(e, Equals, i*2+2)
|
|
}
|
|
c.Assert(groupChecker.isExhausted(), IsTrue)
|
|
|
|
// test padding
|
|
tp.Collate = "utf8_bin"
|
|
tp.Flen = 6
|
|
chk.Reset()
|
|
chk.Column(0).AppendString("a")
|
|
chk.Column(0).AppendString("a ")
|
|
chk.Column(0).AppendString("a ")
|
|
groupChecker.reset()
|
|
_, err = groupChecker.splitIntoGroups(chk)
|
|
c.Assert(err, IsNil)
|
|
b, e := groupChecker.getNextGroup()
|
|
c.Assert(b, Equals, 0)
|
|
c.Assert(e, Equals, 3)
|
|
c.Assert(groupChecker.isExhausted(), IsTrue)
|
|
}
|
|
|