pgsql: Put a CHECK_FOR_INTERRUPTS call into the loops that try to find a

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От tgl@postgresql.org (Tom Lane)
Тема pgsql: Put a CHECK_FOR_INTERRUPTS call into the loops that try to find a
Дата
Msg-id 20080220174426.B04F4754108@cvs.postgresql.org
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Log Message:
-----------
Put a CHECK_FOR_INTERRUPTS call into the loops that try to find a unique new
OID or new relfilenode.  If the existing OIDs are sufficiently densely
populated, this could take a long time (perhaps even be an infinite loop),
so it seems wise to allow the system to respond to a cancel interrupt here.
Per a gripe from Jacky Leng.

Backpatch as far as 8.1.  Older versions just fail on OID collision,
instead of looping.

Tags:
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REL8_1_STABLE

Modified Files:
--------------
    pgsql/src/backend/catalog:
        catalog.c (r1.64 -> r1.64.2.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/catalog/catalog.c?r1=1.64&r2=1.64.2.1)

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