Mig*_*iro 5 sql oracle views ora-01446
我创建了一个在select子句中具有唯一性的视图。
当我尝试使用“从视图中选择*”选择所有记录时,出现以下错误:
ORA-01446: cannot select ROWID from view with DISTINCT, GROUP BY, etc.
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我正在搜索为什么会发生这种情况并得出以下结论:
您试图创建一个视图,该视图在SELECT语句以及子句(例如DISTINCT或GROUP BY)中包含ROWID。这是不允许的。参考
这很尴尬,因为视图中的select元素不会选择rowid,并且也未在其他任何子句(where,order等)中使用它。
有什么想法吗?
我无法发布查询本身,但我发布的外观类似。这里是:
SELECT DISTINCT t1.c1 TABLE1_C1,
t1.c2 TABLE1_C2,
t1.c3 TABLE1_C3,
t1.c4 TABLE1_C4,
t1.c4 TABLE1_C4,
t1.c5 TABLE1_C5,
t1.c6 TABLE1_C6,
t1.c7 TABLE1_C7,
t1.c8 TABLE1_C8,
t2.c1 TABLE2_C1,
t2.c2 TABLE2_C2,
t2.c3 TABLE2_C3,
t2.c4 TABLE2_C4,
t2.c5 TABLE2_C5,
t3.c1 TABLE3_C1,
t2.c6 TABLE2_C6,
t4.c1 TABLE4_C1,
t4.c2 TABLE4_C2,
t4.c3 TABLE4_C3
FROM table1 t1
LEFT JOIN table2 t2
ON t1.c1 = t2.c7
left JOIN table4 t4
ON t4.c4 = t2.c1
LEFT JOIN table3 t3
ON (t2.c1 = t3.c2
AND t2.c8 = t3.c3
AND t2.c9 = t3.c4)
WHERE (t2.cp5 = 0 or t2.cp5 is null)
AND (t2.c3 =
(SELECT MAX(c3)
FROM table2 s_t2
WHERE s_t2.c3 LIKE t2.c3
AND s_t2.c7 = t1.c1
) or t2.c3 is null)
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