Eugen.Konkov@aldec.com wrote:
> DECLARE
> varUnlocked boolean;
> BEGIN
> varUnlocked:= pg_try_advisory_lock( 783264760123456 ); -- Try to lock function
> IF not varUnlocked THEN return NULL; END IF; -- exit if locking is unsucessfull
>
> WRONG QUERY HERE WHICH INTERRUPT EXECUTION
>
> varUnlocked:= pg_advisory_unlock( 783264760123456 ); -- unlock function
> END
>
> NEXT time when I run this function I always get NULL until server reboot
>
> EXPECTED: Pg must unlock if function execution failed
You can unlock it in an EXCEPTION block to be safe.
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
