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Restructure representation of aggregate functions so that they have pg_proc
entries, per pghackers discussion. This fixes aggregates to live in namespaces, and also simplifies/speeds up lookup in parse_func.c. Also, add a 'proimplicit' flag to pg_proc that controls whether a type coercion function may be invoked implicitly, or only explicitly. The current settings of these flags are more permissive than I would like, but we will need to debate and refine the behavior; for now, I avoided breaking regression tests as much as I could.
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.118 2002/03/22 02:56:32 tgl Exp $
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* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.119 2002/04/11 20:00:00 tgl Exp $
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*
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* NOTES
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* Most of the read functions for plan nodes are tested. (In fact, they
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@ -1159,13 +1159,9 @@ _readAggref(void)
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local_node = makeNode(Aggref);
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token = pg_strtok(&length); /* eat :aggname */
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token = pg_strtok(&length); /* get aggname */
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local_node->aggname = debackslash(token, length);
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token = pg_strtok(&length); /* eat :basetype */
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token = pg_strtok(&length); /* get basetype */
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local_node->basetype = atooid(token);
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token = pg_strtok(&length); /* eat :aggfnoid */
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token = pg_strtok(&length); /* get aggfnoid */
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local_node->aggfnoid = atooid(token);
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token = pg_strtok(&length); /* eat :aggtype */
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token = pg_strtok(&length); /* get aggtype */
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