old/new release values
I have some TIMESTAMP columns in a table that I would like to fill with a trigger so that they are always filled.When inserting
STAMP_ADD_DATE
STAMP_ADDED_BY
Update
STAMP_UPDATE_DATE
STAMP_UPDATED BY
My problem occurred on the part of the update. Here is the text:
IF: new.stamp_updated_by IS NULL THEN
: new.stamp_updated_by: = sys_context ('USERENV', 'OS_USER');
END IF;
: new.stamp_update_date: = d_today;
9 out of 10 times our front-end .NET will pass a value for: NEW. STAMP_UPDATED_BY to the procedure. Which works very well.
When I update SQL * more and omit the column of the update statement, is to reuse the: OLD. Value STAMP_UPDATED_BY of the original recording.
I was expecting to realize that I have not referenced this column and dropped into the NULL state within the trigger. As a default column value...
Is it possible, without specifying the column name in the update statement for this column to fall into the condition of NULL value if it is not specified in the update statement?
Thank you
DS
When I update SQL * more and omit the column of the update statement, is to reuse the: OLD. Value STAMP_UPDATED_BY of the original recording.
I was expecting to realize that I have not referenced this column and dropped into the NULL state within the trigger. As a default column value...
I look at you need
...
IF not updating ('stamp_updated_by') or :new.stamp_updated_by IS NULL THEN
:new.stamp_updated_by := sys_context('USERENV', 'OS_USER');
END IF;
...
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