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Add aggsortop column to pg_aggregate, so that MIN/MAX optimization can

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be supported for all datatypes.  Add CREATE AGGREGATE and pg_dump support
too.  Add specialized min/max aggregates for bpchar, instead of depending
on text's min/max, because otherwise the possible use of bpchar indexes
cannot be recognized.
initdb forced because of catalog changes.
This commit is contained in:
Tom Lane
2005-04-12 04:26:34 +00:00
parent 3803f24379
commit 2e7a68896b
15 changed files with 356 additions and 123 deletions
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4
src/include/utils/builtins.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.254 2005/03/29 00:17:18 tgl Exp $
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.255 2005/04/12 04:26:32 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -522,6 +522,8 @@ extern Datum bpcharle(PG_FUNCTION_ARGS);
extern Datum bpchargt(PG_FUNCTION_ARGS);
extern Datum bpcharge(PG_FUNCTION_ARGS);
extern Datum bpcharcmp(PG_FUNCTION_ARGS);
extern Datum bpchar_larger(PG_FUNCTION_ARGS);
extern Datum bpchar_smaller(PG_FUNCTION_ARGS);
extern Datum bpcharlen(PG_FUNCTION_ARGS);
extern Datum bpcharoctetlen(PG_FUNCTION_ARGS);
extern Datum hashbpchar(PG_FUNCTION_ARGS);