ORACLE 有个很迷的查询 删除别名或者分页后就能执行 - V2EX
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coderstory

ORACLE 有个很迷的查询 删除别名或者分页后就能执行

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  •   coderstory Aug 28, 2023 1710 views
    This topic created in 985 days ago, the information mentioned may be changed or developed.

    原始查询语句 ORACLE19c V_PU_FBHT 是一个视图 具体定义不明 没权限看

    SELECT "V_PU_FBHT"."Z_FBHTBH" AS "[V_PU_FBHT].Z_FBHTBH", "V_PU_FBHT"."Z_FBHTCWHSH" AS "[V_PU_FBHT].Z_FBHTCWHSH", "V_PU_FBHT"."Z_YXHTBH" AS "[V_PU_FBHT].Z_YXHTBH", "V_PU_FBHT"."Z_YXHTMC" AS "[V_PU_FBHT].Z_YXHTMC", "V_PU_FBHT"."UGENPROJECTNUMBER" AS "[V_PU_FBHT].UGENPROJECTNUMBER", "V_PU_FBHT"."Z_YXHTCWHSH" AS "[V_PU_FBHT].Z_YXHTCWHSH", "V_PU_FBHT"."Z_YFMC" AS "[V_PU_FBHT].Z_YFMC", "V_PU_FBHT"."Z_FBHTMC" AS "[V_PU_FBHT].Z_FBHTMC", "V_PU_FBHT"."Z_XCWHSH" AS "[V_PU_FBHT].Z_XCWHSH", "V_PU_FBHT"."UUU_RECORD_LAST_UPDATE_DATE" AS "[V_PU_FBHT].UUU_RECORD_LAST_UPDATE_DATE", "V_PU_FBHT"."UGENPROJECTNAME" AS "[V_PU_FBHT].UGENPROJECTNAME" FROM "V_PU_FBHT" "V_PU_FBHT" OFFSET 0 ROW FETCH NEXT 50 ROW ONLY 

    这个 SQL 执行报错

    在行: 1 上开始执行命令时出错 - SELECT "V_PU_FBHT"."Z_FBHTBH" AS "[V_PU_FBHT].Z_FBHTBH", "V_PU_FBHT"."Z_FBHTCWHSH" AS "[V_PU_FBHT].Z_FBHTCWHSH", "V_PU_FBHT"."Z_YXHTBH" AS "[V_PU_FBHT].Z_YXHTBH", "V_PU_FBHT"."Z_YXHTMC" AS "[V_PU_FBHT].Z_YXHTMC", "V_PU_FBHT"."UGENPROJECTNUMBER" AS "[V_PU_FBHT].UGENPROJECTNUMBER", "V_PU_FBHT"."Z_YXHTCWHSH" AS "[V_PU_FBHT].Z_YXHTCWHSH", "V_PU_FBHT"."Z_YFMC" AS "[V_PU_FBHT].Z_YFMC", "V_PU_FBHT"."Z_FBHTMC" AS "[V_PU_FBHT].Z_FBHTMC", "V_PU_FBHT"."Z_XCWHSH" AS "[V_PU_FBHT].Z_XCWHSH", "V_PU_FBHT"."UUU_RECORD_LAST_UPDATE_DATE" AS "[V_PU_FBHT].UUU_RECORD_LAST_UPDATE_DATE", "V_PU_FBHT"."UGENPROJECTNAME" AS "[V_PU_FBHT].UGENPROJECTNAME" FROM "V_PU_FBHT" "V_PU_FBHT" OFFSET 0 ROW FETCH NEXT 50 ROW ONLY 错误位于命令行: 14 列: 33 错误报告 - SQL 错误: ORA-00904: "A1"."[V_PU_FBHT].UUU_RECORD_LAST_UPDATE_DATE": 标识符无效 ORA-02063: 紧接着 line (起自 CERIPU) 00904. 00000 - "%s: invalid identifier" *Cause: *Action: 

    结果排查,SQL 精简到如下查询

    在行: 1 上开始执行命令时出错 - SELECT "V_PU_FBHT"."UUU_RECORD_LAST_UPDATE_DATE" AS "[V_PU_FBHT].UUU_RECORD_LAST_UPDATE_DATE" FROM V_PU_FBHT "V_PU_FBHT" OFFSET 0 ROW FETCH NEXT 50 ROW ONLY 错误位于命令行: 1 列: 158 错误报告 - SQL 错误: ORA-00904: "A1"."[V_PU_FBHT].UUU_RECORD_LAST_UPDATE_DATE": 标识符无效 ORA-02063: 紧接着 line (起自 CERIPU) 00904. 00000 - "%s: invalid identifier" *Cause: *Action: SQL> 

    此时我把 UUU_RECORD_LAST_UPDATE_DATE 字段的别名删掉,或者去掉分页,sql 都能正常查询。

    SQL> SELECT 2 "V_PU_FBHT"."UUU_RECORD_LAST_UPDATE_DATE" 3 FROM 4 "V_PU_FBHT" 5* ORDER BY "V_PU_FBHT"."UUU_RECORD_LAST_UPDATE_DATE" OFFSET 0 ROW FETCH NEXT 50 ROW ONLY; UUU_RECORD_LAST_UPDATE_DATE ______________________________ 10-9 月 -21 12-12 月-21 12-12 月-21 13-12 月-21 

    我不明白为什么其他字段没这个问题,删除别名或者删除分页又能正常执行

    1 replies    2023-08-28 22:03:14 +08:00
    zqf01
        1
    zqf01  
       Aug 28, 2023 via Android
    我记得 AS 后面应该直接跟字段别名,ORACLE 的别名可以这样写吗?
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