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我有一个查询，我需要将其转换为 SQL。一段时间以来一直在搜索这样做，但这里没有任何成功是 ORACLE 查询

SELECT 
     DRKY AS REASON_CODE,
     DRDL01 AS DESCRIPTION
 FROM shema.SourceTable
WHERE drsy = '00'  AND DRDL01 IS NOT NULL AND (drrt = 'W4' OR drrt = 'W5') and NVL ( trim(DRKY), '000') = '801';

这是我的不返回值的 Linq 查询

            var RJDEReasonCode = from a in JTable.SourceTable
                             where
                               a.DRSY.Equals( "00") &&
                               a.DRDL01 != null &&
                               (a.DRRT.Equals( "W4") ||
                               a.DRRT.Equals( "W5")) &&
                               a.DRKY.Equals( "801") // here is where the problem is  tried many things  but nothing has worked so far.
                             select new
                             {
                                 CATEGORY_CODE = a.DRRT,
                                 REASON_CODE = a.DRKY,
                                 DESCRIPTION = a.DRDL01
                             };
4

1 回答 1

3

看起来你只需要修剪DRKY：

a.DRKY.Trim() == "801"

或者可能：

a.DRKY != null && a.DRKY.Trim() == "801"

（我个人发现==字符串比较比使用简单Equals，但是 YMMV。）

于 2013-07-11T17:29:38.347 回答