Re: Can't drop temp table in subfunction during cursor loop (being used by active queries)

jonathansfl wrote:
> Using PG 8.4.2 with Ubuntu 10.04.2 LTS.
>
> Inside a cursor of FUNCTION-A, I call another function (FUNCTION-B).
> Function-B has a "Drop ,Table" command followed by a CREATE TEMPORARY TABLE
> command.
>
> The cursor loops but when it runs out, it breaks, giving error: "Cannot DROP
> TABLE "tt_cms_alerts47" because it is being used by active queries in this
> session"
>
> I tried eliminating the DROP TABLE command since I thought the CREATE TABLE
> would be skipped if the table already exists, but then it gives error:
> "relation "tt_cms_alerts47" already exists".
>
> I thought the temporary table would be dropped at the end of each separate
> PERFORM function. I even added the DROP TABLE command again to the bottom of
> FUNCTION-B but that didn't affect anything.
>
> I also tried adding a COMMIT; after the PERFORM line of FUNCTION-A but that
> broke everything.
>
> [Code]
> -- FUNCTION-A loop
> OPEN InactivationCursor;
> FETCH InactivationCursor INTO v_CompanyIDvar,v_ReasonInactivevar;
> WHILE FOUND LOOP
> BEGIN
> --SELECT * INTO SWV_RCur,SWV_RCur2,SWV_RCur3,SWV_RCur4 FROM
> pr_tbl_Persons_AutoActivate(null,v_CompanyIDvar,null,null,v_ReasonInactivevar,2,v_UserIDvar);
> PERFORM
> pr_tbl_Persons_AutoActivate(null,v_CompanyIDvar,null,null,v_ReasonInactivevar,2,v_UserIDvar);
> END;
> FETCH InactivationCursor INTO v_CompanyIDvar,v_ReasonInactivevar;
> END LOOP;
> CLOSE InactivationCursor;
> [/Code]
>
> [Code]
> -- FUNCTION-B temporary table code
> BEGIN
> CREATE TEMP SEQUENCE tt_CMS_ALERTS_seq INCREMENT BY 1 START WITH 1;
> EXCEPTION WHEN OTHERS THEN NULL;
> END;
> DROP TABLE IF EXISTS tt_CMS_ALERTS47 CASCADE;
> BEGIN
> CREATE TEMPORARY TABLE tt_CMS_ALERTS47
> ( AlertID INTEGER DEFAULT NEXTVAL('tt_CMS_ALERTS_seq') NOT NULL,
> CMS_ALERT_MESSAGE VARCHAR(350) NOT NULL,
> ALERT_LEVEL VARCHAR(10) NOT NULL
> ) WITH OIDS;
> exception when others THEN TRUNCATE TABLE tt_CMS_ALERTS47;
> END;
> [/Code]
>
> --
> View this message in context: http://postgresql.1045698.n5.nabble.com/Can-t-drop-temp-table-in-subfunction-during-cursor-loop-being-used-by-active-queries-tp4482806p4482806.html
> Sent from the PostgreSQL - general mailing list archive at Nabble.com.
>
>
Any chance of just passing in "++i" and using that as part of the temp table name

>
>