问题描述
|
我已经应用了有关如何克服变异表错误的说明:
http://asktom.oracle.com/pls/asktom/ASKTOM.download_file?p_file=6551198119097816936
但是在最后一个触发器中,我得到了一个轻松的错误:
sql> create or replace trigger Factura_Detalle_ai
after insert or update of PRODUCTO on Factura_Detalle
begin
for i in 1 .. state_pkg.newRows.count loop
UPDATE Factura_Detalle
SET Precio = (SELECT pre.PRECIO
FROM PRECIO pre
WHERE pre.PRODUCTO = state_pkg.newRows(i));
end loop;
end;
/
2 3 4 5 6 7 8 9 10 11 12 13
Warning: Trigger created with compilation errors.
sql> show errors trigger factura_detalle_ai
Errors for TRIGGER FACTURA_DETALLE_AI:
LINE/COL ERROR
-------- -----------------------------------------------------------------
4/4 PL/sql: sql Statement ignored
7/23 PL/sql: ORA-00932: inconsistent datatypes: expected NUMBER got
ROWID
有任何想法吗?
问候
解决方法
将此替换为where子句:
WHERE ROWID = state_pkg.newRows(i));
ROWID是每行地址的伪列,它是一种数据类型。
编辑:
也许是这样的:
UPDATE Factura_Detalle
SET Precio =
(
SELECT pre.PRECIO
FROM PRECIO pre
WHERE pre.PRODUCTO = Factura_Detalle.PRODUCTO
)
WHERE ROWID = state_pkg.newRows(i);