ins.framework.mybatis.util

类 SQLHelper

java.lang.Object

ins.framework.mybatis.util.SQLHelper

public class SQLHelper
extends Object

mybatis-paginator查询count

方法概要

限定符和类型	方法和说明
static int	getCount(org.apache.ibatis.mapping.MappedStatement mappedStatement, org.apache.ibatis.transaction.Transaction transaction, Object parameterObject, org.apache.ibatis.mapping.BoundSql boundSql, Dialect dialect) 查询总纪录数
static boolean	isIncludeDistinct(String sql) 是否包含Distinct
static String	removeOrders(String sql) 去除hql的orderby 子句，用于pagedQuery.

从类继承的方法 java.lang.Object

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

方法详细资料

getCount

public static int getCount(org.apache.ibatis.mapping.MappedStatement mappedStatement,
                           org.apache.ibatis.transaction.Transaction transaction,
                           Object parameterObject,
                           org.apache.ibatis.mapping.BoundSql boundSql,
                           Dialect dialect)
                    throws SQLException

查询总纪录数

参数:

mappedStatement - mapped

transaction - transaction

parameterObject - 参数

boundSql - boundSql

dialect - database dialect

返回:

总记录数

抛出:

SQLException - sql查询错误

removeOrders

public static String removeOrders(String sql)

去除hql的orderby 子句，用于pagedQuery.

参数:

sql - sql语句

返回:

去掉order后的sql语句

isIncludeDistinct

public static boolean isIncludeDistinct(String sql)

是否包含Distinct

参数:

sql - sql语句

返回:

包含Distinct返回true，否则返回false