com.baomidou.mybatisplus.extension.plugins.pagination.dialects.MySqlDialect Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2022, baomidou ([email protected]).
*
* 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.
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package com.baomidou.mybatisplus.extension.plugins.pagination.dialects;
import com.baomidou.mybatisplus.core.toolkit.StringPool;
import com.baomidou.mybatisplus.extension.plugins.pagination.DialectModel;
/**
* MYSQL 数据库分页语句组装实现
*
* @author hubin
* @since 2016-01-23
*/
public class MySqlDialect implements IDialect {
@Override
public DialectModel buildPaginationSql(String originalSql, long offset, long limit) {
StringBuilder sql = new StringBuilder(originalSql).append(" LIMIT ").append(FIRST_MARK);
if (offset != 0L) {
sql.append(StringPool.COMMA).append(SECOND_MARK);
return new DialectModel(sql.toString(), offset, limit).setConsumerChain();
} else {
return new DialectModel(sql.toString(), limit).setConsumer(true);
}
}
}