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Apply 1C patches
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‎contrib/Makefile

Lines changed: 8 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -61,7 +61,14 @@ SUBDIRS = \
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sr_plan \
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pg_arman \
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pg_pathman \
64-
shared_ispell
64+
shared_ispell \
65+
vacuumlo \
66+
mchar \
67+
fulleq \
68+
fasttrun \
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online_analyze \
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plantuner
71+
6572

6673
ifeq ($(with_openssl),yes)
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SUBDIRS += sslinfo

‎contrib/fasttrun/Makefile

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MODULE_big = fasttrun
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OBJS = fasttrun.o
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DATA_built = fasttrun.sql
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DOCS = README.fasttrun
5+
REGRESS = fasttrun
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ifdef USE_PGXS
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PGXS := $(shell pg_config --pgxs)
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include $(PGXS)
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else
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subdir = contrib/fasttrun
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top_builddir = ../..
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include $(top_builddir)/src/Makefile.global
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include $(top_srcdir)/contrib/contrib-global.mk
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endif

‎contrib/fasttrun/README.fasttrun

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select fasttruncate('TABLE_NAME');
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Function truncates the temporary table and doesn't grow
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pg_class size.
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Warning: function isn't transaction safe!
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For tests:
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create or replace function f() returns void as $$
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begin
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for i in 1..1000
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loop
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PERFORM fasttruncate('tt1');
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end loop;
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end;
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$$ language plpgsql;
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‎contrib/fasttrun/expected/fasttrun.out

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\set ECHO none
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create table persist ( a int );
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insert into persist values (1);
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select fasttruncate('persist');
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ERROR: Relation isn't a temporary table
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insert into persist values (2);
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select * from persist order by a;
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a
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---
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1
11+
2
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(2 rows)
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create temp table temp1 (a int);
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insert into temp1 values (1);
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BEGIN;
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create temp table temp2 (a int);
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insert into temp2 values (1);
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select * from temp1 order by a;
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a
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---
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1
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(1 row)
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select * from temp2 order by a;
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a
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---
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1
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(1 row)
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insert into temp1 (select * from generate_series(1,10000));
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insert into temp2 (select * from generate_series(1,11000));
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analyze temp2;
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select relname, relpages>0, reltuples>0 from pg_class where relname in ('temp1', 'temp2') order by relname;
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relname | ?column? | ?column?
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---------+----------+----------
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temp1 | f | f
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temp2 | t | t
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(2 rows)
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select fasttruncate('temp1');
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fasttruncate
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--------------
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(1 row)
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select fasttruncate('temp2');
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fasttruncate
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--------------
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(1 row)
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insert into temp1 values (-2);
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insert into temp2 values (-2);
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select * from temp1 order by a;
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a
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----
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-2
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(1 row)
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select * from temp2 order by a;
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a
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----
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-2
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(1 row)
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COMMIT;
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select * from temp1 order by a;
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a
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----
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-2
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(1 row)
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select * from temp2 order by a;
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a
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----
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-2
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(1 row)
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select relname, relpages>0, reltuples>0 from pg_class where relname in ('temp1', 'temp2') order by relname;
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relname | ?column? | ?column?
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---------+----------+----------
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temp1 | f | f
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temp2 | f | f
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(2 rows)
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select fasttruncate('temp1');
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fasttruncate
89+
--------------
90+
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(1 row)
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select fasttruncate('temp2');
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fasttruncate
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--------------
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(1 row)
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select * from temp1 order by a;
100+
a
101+
---
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(0 rows)
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select * from temp2 order by a;
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a
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---
107+
(0 rows)
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select relname, relpages>0, reltuples>0 from pg_class where relname in ('temp1', 'temp2') order by relname;
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relname | ?column? | ?column?
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---------+----------+----------
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temp1 | f | f
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temp2 | f | f
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(2 rows)
115+

‎contrib/fasttrun/fasttrun.c

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Original file line numberDiff line numberDiff line change
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1+
#include "postgres.h"
2+
3+
#include "access/genam.h"
4+
#include "access/heapam.h"
5+
#include "miscadmin.h"
6+
#include "storage/lmgr.h"
7+
#include "storage/bufmgr.h"
8+
#include "catalog/namespace.h"
9+
#include "utils/lsyscache.h"
10+
#include "utils/builtins.h"
11+
#include <fmgr.h>
12+
#include <funcapi.h>
13+
#include <access/heapam.h>
14+
#include <catalog/pg_type.h>
15+
#include <catalog/heap.h>
16+
#include <commands/vacuum.h>
17+
18+
#ifdef PG_MODULE_MAGIC
19+
PG_MODULE_MAGIC;
20+
#endif
21+
22+
PG_FUNCTION_INFO_V1(fasttruncate);
23+
Datum fasttruncate(PG_FUNCTION_ARGS);
24+
Datum
25+
fasttruncate(PG_FUNCTION_ARGS) {
26+
text *name=PG_GETARG_TEXT_P(0);
27+
char *relname;
28+
List *relname_list;
29+
RangeVar *relvar;
30+
Oid relOid;
31+
Relation rel;
32+
bool makeanalyze = false;
33+
34+
relname = palloc( VARSIZE(name) + 1);
35+
memcpy(relname, VARDATA(name), VARSIZE(name)-VARHDRSZ);
36+
relname[ VARSIZE(name)-VARHDRSZ ] = '\0';
37+
38+
relname_list = stringToQualifiedNameList(relname);
39+
relvar = makeRangeVarFromNameList(relname_list);
40+
relOid = RangeVarGetRelid(relvar, AccessExclusiveLock, false);
41+
42+
if ( get_rel_relkind(relOid) != RELKIND_RELATION )
43+
elog(ERROR,"Relation isn't a ordinary table");
44+
45+
rel = heap_open(relOid, NoLock);
46+
47+
if ( !isTempNamespace(get_rel_namespace(relOid)) )
48+
elog(ERROR,"Relation isn't a temporary table");
49+
50+
heap_truncate(list_make1_oid(relOid));
51+
52+
if ( rel->rd_rel->relpages > 0 || rel->rd_rel->reltuples > 0 )
53+
makeanalyze = true;
54+
55+
/*
56+
* heap_truncate doesn't unlock the table,
57+
* so we should unlock it.
58+
*/
59+
60+
heap_close(rel, AccessExclusiveLock);
61+
62+
if ( makeanalyze ) {
63+
VacuumParams params;
64+
65+
params.freeze_min_age = -1;
66+
params.freeze_table_age = -1;
67+
params.multixact_freeze_min_age = -1;
68+
params.multixact_freeze_table_age = -1;
69+
params.is_wraparound = false;
70+
params.log_min_duration = -1;
71+
72+
vacuum(VACOPT_ANALYZE, NULL, relOid, &params, NULL,
73+
GetAccessStrategy(BAS_VACUUM), false);
74+
}
75+
76+
PG_RETURN_VOID();
77+
}

‎contrib/fasttrun/fasttrun.sql.in

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@@ -0,0 +1,8 @@
1+
BEGIN;
2+
3+
4+
CREATE OR REPLACE FUNCTION fasttruncate(text)
5+
RETURNS void AS 'MODULE_PATHNAME'
6+
LANGUAGE C RETURNS NULL ON NULL INPUT VOLATILE;
7+
8+
COMMIT;

‎contrib/fasttrun/sql/fasttrun.sql

Lines changed: 50 additions & 0 deletions
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1+
\set ECHO none
2+
\i fasttrun.sql
3+
\set ECHO all
4+
5+
create table persist ( a int );
6+
insert into persist values (1);
7+
select fasttruncate('persist');
8+
insert into persist values (2);
9+
select * from persist order by a;
10+
11+
create temp table temp1 (a int);
12+
insert into temp1 values (1);
13+
14+
BEGIN;
15+
16+
create temp table temp2 (a int);
17+
insert into temp2 values (1);
18+
19+
select * from temp1 order by a;
20+
select * from temp2 order by a;
21+
22+
insert into temp1 (select * from generate_series(1,10000));
23+
insert into temp2 (select * from generate_series(1,11000));
24+
25+
analyze temp2;
26+
select relname, relpages>0, reltuples>0 from pg_class where relname in ('temp1', 'temp2') order by relname;
27+
28+
select fasttruncate('temp1');
29+
select fasttruncate('temp2');
30+
31+
insert into temp1 values (-2);
32+
insert into temp2 values (-2);
33+
34+
select * from temp1 order by a;
35+
select * from temp2 order by a;
36+
37+
COMMIT;
38+
39+
select * from temp1 order by a;
40+
select * from temp2 order by a;
41+
42+
select relname, relpages>0, reltuples>0 from pg_class where relname in ('temp1', 'temp2') order by relname;
43+
44+
select fasttruncate('temp1');
45+
select fasttruncate('temp2');
46+
47+
select * from temp1 order by a;
48+
select * from temp2 order by a;
49+
50+
select relname, relpages>0, reltuples>0 from pg_class where relname in ('temp1', 'temp2') order by relname;

‎contrib/fulleq/Makefile

Lines changed: 32 additions & 0 deletions
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1+
MODULE_big = fulleq
2+
OBJS = fulleq.o
3+
DATA_built = fulleq.sql
4+
DOCS = README.fulleq
5+
REGRESS = fulleq
6+
7+
ARGTYPE = bool bytea char name int8 int2 int2vector int4 text \
8+
oid xid cid oidvector float4 float8 abstime reltime macaddr \
9+
inet cidr varchar date time timestamp timestamptz \
10+
interval timetz
11+
12+
EXTRA_CLEAN = fulleq.sql.in
13+
14+
ifdef USE_PGXS
15+
PGXS := $(shell pg_config --pgxs)
16+
include $(PGXS)
17+
else
18+
subdir = contrib/fulleq
19+
top_builddir = ../..
20+
include $(top_builddir)/src/Makefile.global
21+
include $(top_srcdir)/contrib/contrib-global.mk
22+
endif
23+
24+
fulleq.sql.in: fulleq.sql.in.in
25+
echo 'BEGIN;' > $@
26+
echo 'SET search_path = public;' >> $@
27+
for type in $(ARGTYPE); \
28+
do \
29+
sed -e "s/ARGTYPE/$$type/g" < $< >> $@; \
30+
done
31+
echo 'COMMIT;' >> $@
32+

‎contrib/fulleq/README.fulleq

Lines changed: 3 additions & 0 deletions
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@@ -0,0 +1,3 @@
1+
Introduce operator == which returns true when
2+
operands are equal or both are nulls.
3+

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