com.dangdang.ddframe.rdb.sharding.rewrite

类 SQLRewriteEngine

java.lang.Object

com.dangdang.ddframe.rdb.sharding.rewrite.SQLRewriteEngine

public final class SQLRewriteEngine
extends Object

SQL重写引擎.

作者:

zhangliang

构造器概要

构造器

构造器和说明
SQLRewriteEngine(ShardingRule shardingRule, String originalSQL, SQLStatement sqlStatement)

方法概要

方法

限定符和类型	方法和说明
String	generateSQL(CartesianTableReference cartesianTableReference, SQLBuilder sqlBuilder) 生成SQL语句.
String	generateSQL(TableUnit tableUnit, SQLBuilder sqlBuilder) 生成SQL语句.
SQLBuilder	rewrite(boolean isRewriteLimit) SQL改写.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

SQLRewriteEngine

public SQLRewriteEngine(ShardingRule shardingRule,
                String originalSQL,
                SQLStatement sqlStatement)

方法详细资料

rewrite

public SQLBuilder rewrite(boolean isRewriteLimit)

SQL改写.

参数:

isRewriteLimit - 是否重写Limit

返回:

SQL构建器

generateSQL

public String generateSQL(TableUnit tableUnit,
                 SQLBuilder sqlBuilder)

生成SQL语句.

参数:

tableUnit - 路由表单元

sqlBuilder - SQL构建器

返回:

SQL语句

generateSQL

public String generateSQL(CartesianTableReference cartesianTableReference,
                 SQLBuilder sqlBuilder)

生成SQL语句.

参数:

cartesianTableReference - 笛卡尔积路由表单元

sqlBuilder - SQL构建器

返回:

SQL语句