|
And I forgot to mention that CPYF also overrides the current identity key
value. When we update tables our CMS replaces the table completely, which
means it's a new object with a beginning identity key value. The new table
is populated from a back up of the prior version but the identity key value
is still the same beginning value. The CMS product has an exit point that
runs a program that we wrote to get the largest value, add one then update
the table with an "ALTER TABLE table ALTER COLUMN column RESTART WITH ###"
statement.
-Matt
-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Tyler, Matt
Sent: Friday, July 9, 2021 3:15 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: Journal entry for identity column changes?
Did you know you can override the identity value when you insert rows?
Read up on OVERRIDING SYSTEM VALUE and OVERRIDING USER VALUE. If the
table's identity value was lower than any inserted records (with one of the
attributes specified when inserted), the next insert without those
attributes would cause a dup key error, assuming you put a unique clause or
PK over the ID column.
-Matt
-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Art
Tostaine, Jr.
Sent: Thursday, July 8, 2021 7:49 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Journal entry for identity column changes?
We had a table start getting duplicate keys this morning. I reset the
identity column value to a higher number and all was well.
Shouldn't I see a journal entry for that table that shows the value was
changed?
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