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As someone asked for this feature - patch for 1.09 follows.

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Now You can do queries like

select sum(some_func(x)) from ...
select min(table1.x + table2.y) from table1, table2 where ...

and so on.

Vadim
This commit is contained in:
Bruce Momjian
1996-11-30 17:49:02 +00:00
parent 87352726b2
commit f0a9e64afd
3 changed files with 52 additions and 14 deletions
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5
src/backend/optimizer/util/clauses.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.4 1996/11/06 09:29:22 scrappy Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.5 1996/11/30 17:48:52 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -521,6 +521,9 @@ fix_opid(Node *clause)
fix_opid((Node*)get_leftop((Expr*)clause));
fix_opid((Node*)get_rightop((Expr*)clause));
}
else if (agg_clause (clause)) {
fix_opid (((Aggreg*)clause)->target);
}
}