ORA-01438:大于指定精度的值允许该列-如何获得它所指向的列? [英] ORA-01438: value larger than specified precision allows for this column - How do i get which column it is referring to?
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问题描述
我们是否有任何标准的oracle错误表或任何可识别我输入的值大于指定精度的值的表?
Do we have any standard oracle error tables or anything to identify which column in a table i have entered a value larger than specified precision.
ORA-01438: value larger than specified precision allows for this column
-如何获得它所指的是哪一列?
ORA-01438: value larger than specified precision allows for this column
- How do i get which column it is referring to?
推荐答案
我认为您必须编写一个过程,然后尝试逐一更新该列.
I think you have to write a procedure and try to update the column one by one.
假设您有这样的更新:
UPDATE TABLE_1 a SET (COL_1, COL_2, COL_3) =
(SELECT COL_1, COL_2, COL_3 FROM TABLE_2 b WHERE a.COL_ID = b.COL_ID);
然后您可以通过以下方法遍历所有列:
Then you can loop over all columns by this:
DECLARE
CURSOR TabColumns IS
SELECT column_id, column_name, data_precision, data_scale
FROM USER_TAB_COLUMNS
WHERE table_name = 'TABLE_2'
AND column_name <> 'COL_ID'
ORDER BY 1;
BEGIN
FOR aCol IN TabColumns LOOP
BEGIN
sqlstr :=
'UPDATE TABLE_1 a SET '||aCol.column_name ||' = '
||' (SELECT '||aCol.column_name ||
||' FROM TABLE_2 b '
||' WHERE a.COL_ID = b.COL_ID)'
EXECUTE IMMEDIATE sqlstr USING CalcDate, CalcDate;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE ( 'Error at column '|| aCol.column_id||CHR(9)|| aCol.column_name||CHR(9)||SQLERRM);
DBMS_OUTPUT.PUT_LINE ( sqlstr );
END;
END LOOP;
END;
效率不高,您应该会看到错误.
Not very efficient you should see the error.
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