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Further cleanups for relations in schemas: teach nextval and other

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sequence functions how to cope with qualified names.  Same code is
also used for int4notin, currtid_byrelname, pgstattuple.  Also,
move TOAST tables into special pg_toast namespace.
This commit is contained in:
Tom Lane
2002-03-30 01:02:42 +00:00
parent 25004eec95
commit 5f4745adf4
14 changed files with 261 additions and 178 deletions
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34
src/backend/utils/adt/tid.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/tid.c,v 1.28 2001/10/25 05:49:45 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/tid.c,v 1.29 2002/03/30 01:02:41 tgl Exp $
*
* NOTES
* input routine largely stolen from boxin().
@ -19,6 +19,7 @@
#include "postgres.h"
#include "access/heapam.h"
#include "catalog/namespace.h"
#include "utils/builtins.h"
#define DatumGetItemPointer(X) ((ItemPointer) DatumGetPointer(X))
@ -146,14 +147,13 @@ currtid_byreloid(PG_FUNCTION_ARGS)
*result = Current_last_tid;
PG_RETURN_ITEMPOINTER(result);
}
rel = heap_open(reloid, AccessShareLock);
ItemPointerCopy(tid, result);
if ((rel = heap_open(reloid, AccessShareLock)) != NULL)
{
heap_get_latest_tid(rel, SnapshotNow, result);
heap_close(rel, AccessShareLock);
}
else
elog(ERROR, "Relation %u not found", reloid);
heap_get_latest_tid(rel, SnapshotNow, result);
heap_close(rel, AccessShareLock);
PG_RETURN_ITEMPOINTER(result);
}
@ -164,23 +164,19 @@ currtid_byrelname(PG_FUNCTION_ARGS)
text *relname = PG_GETARG_TEXT_P(0);
ItemPointer tid = PG_GETARG_ITEMPOINTER(1);
ItemPointer result;
char *str;
RangeVar *relrv;
Relation rel;
str = DatumGetCString(DirectFunctionCall1(textout,
PointerGetDatum(relname)));
relrv = makeRangeVarFromNameList(textToQualifiedNameList(relname,
"currtid_byrelname"));
rel = heap_openrv(relrv, AccessShareLock);
result = (ItemPointer) palloc(sizeof(ItemPointerData));
ItemPointerCopy(tid, result);
if ((rel = heap_openr(str, AccessShareLock)) != NULL)
{
heap_get_latest_tid(rel, SnapshotNow, result);
heap_close(rel, AccessShareLock);
}
else
elog(ERROR, "Relation %s not found", str);
pfree(str);
heap_get_latest_tid(rel, SnapshotNow, result);
heap_close(rel, AccessShareLock);
PG_RETURN_ITEMPOINTER(result);
}