使用Java';将数组传递给SQL查询;s准备的声明
我在使用Java的预处理语句将数组传递到SQL查询时遇到了一些问题。我首先尝试了sourceforge驱动程序,但是当我调用setArray方法时,会出现AbstractMethodError。由于不知道该解决方案,我换用了Microsoft sql Server驱动程序,但现在我得到了一个完全不同的错误,即“java.sql.SQLFeatureNotSupportedException:不支持此操作”。我尝试了很多方法来解决此问题,但似乎没有任何效果 我的Java代码看起来类似于我在这里和互联网上看到的示例,如下所示:使用Java';将数组传递给SQL查询;s准备的声明,java,mysql,jdbc,prepared-statement,query-parameters,Java,Mysql,Jdbc,Prepared Statement,Query Parameters,我在使用Java的预处理语句将数组传递到SQL查询时遇到了一些问题。我首先尝试了sourceforge驱动程序,但是当我调用setArray方法时,会出现AbstractMethodError。由于不知道该解决方案,我换用了Microsoft sql Server驱动程序,但现在我得到了一个完全不同的错误,即“java.sql.SQLFeatureNotSupportedException:不支持此操作”。我尝试了很多方法来解决此问题,但似乎没有任何效果 我的Java代码看起来类似于我在这里和互
PreparedStatement ps = connection.prepareStatement(query);
String[] suppliers = {"21","2774","120563","3714","59"};
ps.setArray(1, connection.createArrayOf("text", suppliers));
ResultSet rs = ps.executeQuery();
我的SQL查询示例。唯一真正感兴趣的一行是我添加了“?”字符的前一行,据我所知,这是我向SQL查询传递参数的方式
productsPrices.query = select contract.supplierid as 'hotelid' \
, round((rate.s1/money.buy)*euro.sell,0) as "single" \
, round((rate.s2/money.buy)*euro.sell,0) as "double" \
,service.Name as 'roomtype' \
,stock.alloc - stock.taken as 'stock.available' \
, contract.notes as 'boardType' \
, object.name as 'occupancy' \
,object.cap as 'capacity' \
,object.mincap as 'min capacity' \
,stock.date as 'date' \
from stock stock \
inner join rate rate on stock.rateid = rate.id \
inner join contract contract on rate.contractid = contract.id \
inner join service service on contract.serviceid = service.ID \
inner join object object on service.objectid = object.ID \
inner join band band on contract.termsid = band.ID \
inner join Money money on band.moneyid = money.id \
inner join Money euro on euro.Name = 'Euros' \
where stock.date > getdate() \
and stock.closed = 0 \
and (stock.alloc - stock.taken) > 0 \
and stock.date > getdate() \
and contract.supplierid in (?) \
and contract.Finish > GETDATE()
我通过动态生成带有所需数量的问号的字符串解决了同样的问题。 下面是一个片段:-
String param = "(";
for(int i=0;i<suppliers.length;i++){
param = param+"?,";
}
param = param.substring(0,param.length()-1);
param=param+")";
query = query + param;
PreparedStatement ps = connection.prepareStatement(query);
for(int i=0;i<suppliers.length;i++){
ps.setString(i+1,suppliers[i]);
}
String param=“(”;
对于(int i=0;我正在使用Microsoft SQL Server Web Edition(64位)版本10.50.1600.1:)谢谢。我回家后会尝试一下。:)