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A mybatis orm enhance framework.
/*
* Copyright 2020-2022 the original author or authors.
*
* 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
*
* https://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 com.yuehuanghun.mybatis.milu.dialect.db;
import javax.persistence.LockModeType;
import com.yuehuanghun.mybatis.milu.dialect.AbstractDialect;
/**
* MYSQL 数据库
* @author fengjie
*
*/
public class MysqlDialect extends AbstractDialect {
public static final MysqlDialect instance = new MysqlDialect();
@Override
public String getTopLimitSql(String sql, int topRows) {
return sql + " LIMIT " + topRows;
}
@Override
public String getLockSql(String sql, LockModeType lockModeType) {
if(LockModeType.PESSIMISTIC_READ == lockModeType) {
return sql + " LOCK IN SHARE MODE";
}
return super.getLockSql(sql, lockModeType);
}
}
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