I have a transaction which issues LOCK TABLE <TABLE> IN EXCLUSIVE
MODE. This is to prevent INSERTs during processing.
However this is way too restrictive - we only need to restrict certain
types of insert, eg. where col1 = 123.
I can do something like SELECT * FROM TABLE WHERE col1 = 123 FOR UPDATE to
prevent updates of existing rows of this type, but this will not block
further inserts.
I could set up an insert trigger to prevent these inserts, but I don't want
to error: just wait until the transaction ends. This would appear to make
the trigger code too complex - surely there is a way to do this just with
simple locks?
Any ideas much appreciated!
Thanks
- Bill.
--
Please see the official ORACLE-L FAQ: http://www.orafaq.com
--
Author: Bill Buchan
INET: [EMAIL PROTECTED]
Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
San Diego, California -- Public Internet access / Mailing Lists
--------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from). You may
also send the HELP command for other information (like subscribing).
