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Allow extracting and parsing of reloptions from a bare pg_class tuple, and

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refactor the relcache code that used to do that.  This allows other callers
(particularly autovacuum) to do the same without necessarily having to open
and lock a table.
This commit is contained in:
Alvaro Herrera
2009-01-26 19:41:06 +00:00
parent 39ab3c1c61
commit c0f92b57dc
3 changed files with 57 additions and 30 deletions
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5
src/include/access/reloptions.h
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@@ -11,13 +11,14 @@
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/reloptions.h,v 1.10 2009/01/12 21:02:15 alvherre Exp $
* $PostgreSQL: pgsql/src/include/access/reloptions.h,v 1.11 2009/01/26 19:41:06 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef RELOPTIONS_H
#define RELOPTIONS_H
#include "access/htup.h"
#include "nodes/pg_list.h"
/* types supported by reloptions */
@@ -241,6 +242,8 @@ extern void add_string_reloption(int kind, char *name, char *desc,
extern Datum transformRelOptions(Datum oldOptions, List *defList,
bool ignoreOids, bool isReset);
extern List *untransformRelOptions(Datum options);
extern bytea *extractRelOptions(HeapTuple tuple, TupleDesc tupdesc,
Oid amoptions);
extern relopt_value *parseRelOptions(Datum options, bool validate,
relopt_kind kind, int *numrelopts);
extern void *allocateReloptStruct(Size base, relopt_value *options,