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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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2
contrib/pgstattuple/README.pgstattuple
View File

@ -33,7 +33,7 @@ NOTICE: physical length: 0.08MB live tuples: 20 (0.00MB, 1.17%) dead tuples: 32
pgstattuple can be called as a function:
pgstattuple(NAME) RETURNS FLOAT8
pgstattuple(TEXT) RETURNS FLOAT8
The argument is the table name. pgstattuple returns the percentage
of the "dead" tuples of a table.

15
contrib/pgstattuple/pgstattuple.c
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@ -1,5 +1,5 @@
/*
* $Header: /cvsroot/pgsql/contrib/pgstattuple/pgstattuple.c,v 1.4 2002/03/06 06:09:10 momjian Exp $
* $Header: /cvsroot/pgsql/contrib/pgstattuple/pgstattuple.c,v 1.5 2002/03/30 01:02:41 tgl Exp $
*
* Copyright (c) 2001 Tatsuo Ishii
*
@ -27,6 +27,9 @@
#include "fmgr.h"
#include "access/heapam.h"
#include "access/transam.h"
#include "catalog/namespace.h"
#include "utils/builtins.h"
PG_FUNCTION_INFO_V1(pgstattuple);
@ -43,8 +46,8 @@ extern Datum pgstattuple(PG_FUNCTION_ARGS);
Datum
pgstattuple(PG_FUNCTION_ARGS)
{
Name p = PG_GETARG_NAME(0);
text *relname = PG_GETARG_TEXT_P(0);
RangeVar *relrv;
Relation rel;
HeapScanDesc scan;
HeapTuple tuple;
@ -59,11 +62,13 @@ pgstattuple(PG_FUNCTION_ARGS)
uint64 dead_tuple_count = 0;
double tuple_percent;
double dead_tuple_percent;
uint64 free_space = 0; /* free/reusable space in bytes */
double free_percent; /* free/reusable space in % */
rel = heap_openr(NameStr(*p), AccessShareLock);
relrv = makeRangeVarFromNameList(textToQualifiedNameList(relname,
"pgstattuple"));
rel = heap_openrv(relrv, AccessShareLock);
nblocks = RelationGetNumberOfBlocks(rel);
scan = heap_beginscan(rel, false, SnapshotAny, 0, NULL);

4
contrib/pgstattuple/pgstattuple.sql.in
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@ -1,4 +1,4 @@
DROP FUNCTION pgstattuple(NAME);
CREATE FUNCTION pgstattuple(NAME) RETURNS FLOAT8
DROP FUNCTION pgstattuple(text);
CREATE FUNCTION pgstattuple(text) RETURNS float8
AS 'MODULE_PATHNAME', 'pgstattuple'
LANGUAGE 'c' WITH (isstrict);