RE: SQL NoLock

I started to do DELETE from TABLE where MAINKEY > 0 (or something like this). It forces the DELETE from CLERPFM to an actual delete, slower but will complete.

TRUNCATE will still try a CLRPFM on the table, from my experience.

I was leaving the separate result windows open all the time at first and then got into the habit of pressing ESC a lot. Now I end up pressing esc when I don't want to dismiss the results.

If you just want to analyze some results of a table when an issues arises, try "drop table if exists mylib.table; create table mylib.table as select * from prod.table where..." then query that new table.

-Matt


-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of K Crawford
Sent: Tuesday, August 3, 2021 2:36 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: SQL NoLock

The last time I used the separate window by the end of the day I had so many windows open it was funny. I might give that a try again, the newer versions of ACS RSS are a bit different than when I did it. This time close them instead of jumping to the other window.

Yes the issues are with the CLRPF, CLRPFM or DELETE. The main file I get in trouble with is cleared several times during the run. If we have an issue I need/want to see what is in the file and forget to get rid of the lock.

I have fixed the program so we don't have the errors like we used to but still have issues.

On Tue, Aug 3, 2021 at 3:14 PM Charles Wilt <charles.wilt@xxxxxxxxx> wrote:

The locks shouldn't prevent any real work from being done.

Usually the biggest issue is old processes with a CLRPFM that requires
an exclusive lock.

Two options there,
- refactor to use an SQL DELETE or TRUNCATE TABLE
- add an ALCOBJ CONFLICT(*RQSRLS) prior to the CLRPFM.

https://urldefense.com/v3/__https://www.ibm.com/support/pages/pseudo-c
losed-cursor-faq__;!!O6xM9Yim9Yk!vCg07AkQpcvYKRsStsHUckV5pGQB5GsUkhY2K
uX_GjpDi0HYM07neh9W3f5GdHiubCKl$

Charles

On Tue, Aug 3, 2021 at 1:57 PM K Crawford <kscx3ksc@xxxxxxxxx> wrote:

I tried the stop and it did not work.
I just need to get in a better habit of using the Ctrl+F11 to
reconnect

or

Ctrl+F12 to disconnect.

Thanks for the input.
Kerwin

On Tue, Aug 3, 2021 at 2:30 PM Charles Wilt <charles.wilt@xxxxxxxxx>
wrote:

If you run the same/similar statement 3 times (by default) SQL
will

start

pseudo-closing cursors.

Thus leaving a shared for update lock on the file and member. You

should

not be seeing any records locked.

You'd have to disconnect from the server to fully close the file.

Charles


On Tue, Aug 3, 2021 at 9:59 AM K Crawford <kscx3ksc@xxxxxxxxx> wrote:

I am using ACS Run SQL Scripts to research data when errors
happen,

for

that matter other reasons also.
I will use a simple SQL statement like
SELECT *
FROM myLib/myTable
WHERE Client = 'ABC'

This creates a lock on the object and members of the object

myLib/myTable.

If I forget to disconnect or run another statement over
something

else.

This can create issues.

I found the WITH UR clause. I get the same results.

What can I do to run my simple SELECT without Object/Member locks?
TIA
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