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From tgl@svr1.postgresql.org (Tom Lane)
Subject pgsql-server/src/backend/parser Tag: REL7_4_ST ...
Date
Msg-id 20040128074707.AC578D1B51F@svr1.postgresql.org
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CVSROOT:    /cvsroot
Module name:    pgsql-server
Changes by:    tgl@svr1.postgresql.org    04/01/28 03:47:07

Modified files:
    src/backend/parser: Tag: REL7_4_STABLE parse_agg.c

Log message:
    Fix oversight in check_ungrouped_columns optimization that avoids
    unnecessary checks for complex grouping expressions: we cannot check
    whether the expressions are simple Vars until after we apply
    flatten_join_alias_vars, because in the case of FULL JOIN that routine
    can introduce non-Var expressions.  Per example from Joel Knight.

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