mirror of
https://gitee.com/chinabugotech/hutool.git
synced 2025-07-21 15:09:48 +08:00
clean history
This commit is contained in:
113
hutool-db/src/main/java/cn/hutool/db/dialect/Dialect.java
Normal file
113
hutool-db/src/main/java/cn/hutool/db/dialect/Dialect.java
Normal file
@@ -0,0 +1,113 @@
|
||||
package cn.hutool.db.dialect;
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.sql.Connection;
|
||||
import java.sql.PreparedStatement;
|
||||
import java.sql.SQLException;
|
||||
|
||||
import cn.hutool.db.Entity;
|
||||
import cn.hutool.db.sql.Query;
|
||||
import cn.hutool.db.sql.Wrapper;
|
||||
|
||||
/**
|
||||
* SQL方言,不同的数据库由于在某些SQL上有所区别,故为每种数据库配置不同的方言。<br>
|
||||
* 由于不同数据库间SQL语句的差异,导致无法统一拼接SQL,<br>
|
||||
* Dialect接口旨在根据不同的数据库,使用不同的方言实现类,来拼接对应的SQL,并将SQL和参数放入PreparedStatement中
|
||||
*
|
||||
* @author loolly
|
||||
*
|
||||
*/
|
||||
public interface Dialect extends Serializable{
|
||||
|
||||
/**
|
||||
* @return 包装器
|
||||
*/
|
||||
Wrapper getWrapper();
|
||||
|
||||
/**
|
||||
* 设置包装器
|
||||
*
|
||||
* @param wrapper 包装器
|
||||
*/
|
||||
void setWrapper(Wrapper wrapper);
|
||||
|
||||
// -------------------------------------------- Execute
|
||||
/**
|
||||
* 构建用于插入的PreparedStatement
|
||||
*
|
||||
* @param conn 数据库连接对象
|
||||
* @param entity 数据实体类(包含表名)
|
||||
* @return PreparedStatement
|
||||
* @throws SQLException SQL执行异常
|
||||
*/
|
||||
PreparedStatement psForInsert(Connection conn, Entity entity) throws SQLException;
|
||||
|
||||
/**
|
||||
* 构建用于批量插入的PreparedStatement
|
||||
*
|
||||
* @param conn 数据库连接对象
|
||||
* @param entities 数据实体,实体的结构必须全部一致,否则插入结果将不可预知
|
||||
* @return PreparedStatement
|
||||
* @throws SQLException SQL执行异常
|
||||
*/
|
||||
PreparedStatement psForInsertBatch(Connection conn, Entity... entities) throws SQLException;
|
||||
|
||||
/**
|
||||
* 构建用于删除的PreparedStatement
|
||||
*
|
||||
* @param conn 数据库连接对象
|
||||
* @param query 查找条件(包含表名)
|
||||
* @return PreparedStatement
|
||||
* @throws SQLException SQL执行异常
|
||||
*/
|
||||
PreparedStatement psForDelete(Connection conn, Query query) throws SQLException;
|
||||
|
||||
/**
|
||||
* 构建用于更新的PreparedStatement
|
||||
*
|
||||
* @param conn 数据库连接对象
|
||||
* @param entity 数据实体类(包含表名)
|
||||
* @param query 查找条件(包含表名)
|
||||
* @return PreparedStatement
|
||||
* @throws SQLException SQL执行异常
|
||||
*/
|
||||
PreparedStatement psForUpdate(Connection conn, Entity entity, Query query) throws SQLException;
|
||||
|
||||
// -------------------------------------------- Query
|
||||
/**
|
||||
* 构建用于获取多条记录的PreparedStatement
|
||||
*
|
||||
* @param conn 数据库连接对象
|
||||
* @param query 查询条件(包含表名)
|
||||
* @return PreparedStatement
|
||||
* @throws SQLException SQL执行异常
|
||||
*/
|
||||
PreparedStatement psForFind(Connection conn, Query query) throws SQLException;
|
||||
|
||||
/**
|
||||
* 构建用于分页查询的PreparedStatement
|
||||
*
|
||||
* @param conn 数据库连接对象
|
||||
* @param query 查询条件(包含表名)
|
||||
* @return PreparedStatement
|
||||
* @throws SQLException SQL执行异常
|
||||
*/
|
||||
PreparedStatement psForPage(Connection conn, Query query) throws SQLException;
|
||||
|
||||
/**
|
||||
* 构建用于查询行数的PreparedStatement
|
||||
*
|
||||
* @param conn 数据库连接对象
|
||||
* @param query 查询条件(包含表名)
|
||||
* @return PreparedStatement
|
||||
* @throws SQLException SQL执行异常
|
||||
*/
|
||||
PreparedStatement psForCount(Connection conn, Query query) throws SQLException;
|
||||
|
||||
/**
|
||||
* 方言名
|
||||
*
|
||||
* @return 方言名
|
||||
*/
|
||||
DialectName dialectName();
|
||||
}
|
Reference in New Issue
Block a user