Can someone provide a link to the Postgres 8.x documentation that provides
information about Null vs. Empty String?
Here is the situation:
Currently, the source code performs the following SQL statement :
UPDATE user_group set subversion_flags='' WHERE user_id='5818' AND
group_id='438';
(This SQL statement worked in a very old version of Postgres)
and pgsql 8.3.8 returned ERROR: invalid input syntax for integer: ""
The table
\d user_group
Table "public.user_group"
Column | Type | Modifiers
------------------+---------------+--------------------------------------------
---------------------
user_group_id | integer | not null default nextval(('user_group_pk_se
q'::text)::regclass)
user_id | integer | not null default 0
group_id | integer | not null default 0
subversion_flags | integer | not null default 0
.
.
I know probably the best way is to the put check in the application level
(making sure that subversion_flags has a value) before the actual update SQL
call; however, I really just want to port the code to work with Postgres 8.3.8
avoiding any code changes if that's possible. Is there something that I can
do at the database level (like alter the table) so that I can still use the
same SQL statement in the application level listed above and it wouldn't return
an error? Any ideas?
Thanks in advance
Mary
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