tidb charset 源码
tidb charset 代码
文件路径：/util/collate/charset.go
// Copyright 2021 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package collate
import "github.com/pingcap/tidb/parser/charset"
// switchDefaultCollation switch the default collation for charset according to the new collation config.
func switchDefaultCollation(flag bool) {
if flag {
charset.CharacterSetInfos[charset.CharsetGBK].DefaultCollation = charset.CollationGBKChineseCI
} else {
charset.CharacterSetInfos[charset.CharsetGBK].DefaultCollation = charset.CollationGBKBin
}
charset.CharacterSetInfos[charset.CharsetGBK].Collations[charset.CollationGBKBin].IsDefault = !flag
charset.CharacterSetInfos[charset.CharsetGBK].Collations[charset.CollationGBKChineseCI].IsDefault = flag
}
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