Question

此查询有什么问题？我在data.RN_RUN_ID处收到标识符错误。错误附在此处：https://i.stack.imgur.com/cdZMM.jpg

ORA-00904: "STP"."ST_RUN_ID": invalid identifier

我正在尝试在ALM（应用程序生命周期管理）仪表板模块中运行此查询。如果我们为列创建了别名，或者仅仅因为我在该列中使用了聚合函数，我们是否不能使用实际的列名？

Select
        data.CF_ITEM_ID as"Test set folder ID" ,
        data.CF_Item_name as "Test Set folder name"  ,
        data.CF_Father_ID,
        data.CY_CYCLE_ID as "Test Set ID",
        data.CY_CYCLE as "Test Set Name" ,
        data.TC_TEST_ID as "Test ID",
        data.TS_Name as "Test Case Name",
        data.RN_RUN_ID as "Last RUN ID" ,
        data.RN_Status as "Last Run Status",
        data.RN_Execution_Date as "Run Execution Date",
        data.RN_Execution_Time as "Run Execution Time" ,
        stp.ST_Actual as "ST Actual" ,
        stp.ST_Expected as "ST Expected" ,
        stp.ST_Description as "ST Description" ,
        stp.ST_Status as "Step Status"
        FROM (SELECT  CF_ITEM_ID as"Test set folder ID" ,
        CF_Item_name as "Test Set folder name"  ,
        CF_Father_ID,
        CY_CYCLE_ID as "Test Set ID",
        CY_CYCLE as "Test Set Name" ,
        TC_TEST_ID as "Test ID",
        TS_Name as "Test Case Name",
        MAX(RN_RUN_ID) as "Last RUN ID" ,
        RN_Status as "Last Run Status",
        RN_Execution_Date as "Run Execution Date",
        RN_Execution_Time as "Run Execution Time"
        from  CYCL_FOLD 
       Inner Join   CYCLE ON   CF_ITEM_ID = CY_FOLDER_ID
       Inner join TESTCYCL on CY_CYCLE_ID = TC_CYCLE_ID
       Inner join   TEST on TC_TEST_ID = TS_TEST_ID
       Inner Join RUN on  TC_TEST_ID = RN_TEST_ID
       group by CF_Father_ID ,CF_ITEM_ID ,CF_Item_name,CY_CYCLE_ID, 
       CY_CYCLE,TC_TEST_ID,TS_Name,
       RN_Status,RN_Execution_Date,RN_Execution_Time) As data ,  (Select  ST_Actual as "ST Actual" ,
        ST_Expected as "ST Expected" ,
        ST_Description as "ST Description" ,
        ST_Status as "Step Status" from step )  As  stp where data.RN_RUN_ID = stp.ST_RUN_ID

Answer 1

显然，子查询中不存在列stp.ST_RUN_ID：

Select  ST_Actual as "ST Actual" ,
        ST_Expected as "ST Expected" ,
        ST_Description as "ST Description" ,
        ST_Status as "Step Status" from step ) As stp

如果列ST_RUN_ID实际存在于表本身中并不重要。如果您没有在子查询中命名，则它不可用。

解决方案？只需添加它，如：

Select  ST_Actual as "ST Actual" ,
        ST_Expected as "ST Expected" ,
        ST_Description as "ST Description" ,
        ST_Status as "Step Status",
        ST_RUN_ID
     from step) As stp

这个oracle子查询代码中的标识符问题？

1 个答案: