pgsql: PersistHoldablePortal must establish the correct value for - Mailing list pgsql-committers

Log Message:
-----------
PersistHoldablePortal must establish the correct value for ActiveSnapshot
while completing execution of the cursor's query.  Otherwise we get wrong
answers or even crashes from non-volatile functions called by the query.
Per report from andrew@supernews.

Tags:
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REL8_0_STABLE

Modified Files:
--------------
    pgsql/src/backend/commands:
        portalcmds.c (r1.38 -> r1.38.4.1)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/portalcmds.c.diff?r1=1.38&r2=1.38.4.1)