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Refactor some lsyscache routines to eliminate duplicate code and save

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a couple of syscache lookups in make_pathkey_from_sortinfo().
This commit is contained in:
Tom Lane
2007-01-21 00:57:15 +00:00
parent 98218e9ef6
commit 066926dfbb
3 changed files with 122 additions and 121 deletions
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4
src/include/utils/lsyscache.h
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@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/lsyscache.h,v 1.113 2007/01/20 20:45:41 tgl Exp $
* $PostgreSQL: pgsql/src/include/utils/lsyscache.h,v 1.114 2007/01/21 00:57:15 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -35,6 +35,8 @@ extern void get_op_opfamily_properties(Oid opno, Oid opfamily,
bool *recheck);
extern Oid get_opfamily_member(Oid opfamily, Oid lefttype, Oid righttype,
int16 strategy);
extern bool get_ordering_op_properties(Oid opno,
Oid *opfamily, Oid *opcintype, int16 *strategy);
extern bool get_compare_function_for_ordering_op(Oid opno,
Oid *cmpfunc, bool *reverse);
extern Oid get_equality_op_for_ordering_op(Oid opno);