Duplicated Item Poids Within Multischema

Last updated on FEBRUARY 22, 2017

Applies to:

Symptoms

We identified several duplicite item_t poid_id0 (around 1000) within multischema.
e.g.
POID_DB    POID_ID0           POID_TYPE        POID_REV    CREATED_T
1 286524033177397918 /item/cycle_forward 3 1407189688
2 286524033177397918 /item/U_O2       0 1407238001

We have identified that duplicated poids are generated only in ITEM_T table and duplicities are always caused by combination of system and usage items.
e.g.
in DB1 poid 286524033177397918 is /item/cycle_forward
in DB2 poid 286524033177397918 is /item/U_O2

We have set POID_IDS2 sequence.
In DB1 ODD increment by 2:
POID_IDS2 MINVALUE 1 MAXVALUE 9999999999999999999999999999 INCREMENT BY 2 START WITH 100101180579 CACHE 20;
In DB2 EVEN increment by 2:
POID_IDS2 MINVALUE 1 MAXVALUE 9999999999999999999999999999 INCREMENT BY 2 START WITH 100038027536 CACHE 20;

Cause