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Commit240dc5c

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Add add_missing_from GUC variable.
Nigel J. Andrews
1 parent9ffdd91 commit240dc5c

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7 files changed

+48
-10
lines changed

7 files changed

+48
-10
lines changed

‎doc/TODO‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
11
TODO list for PostgreSQL
22
========================
3-
Last updated:Wed Jun 1117:38:50 EDT 2003
3+
Last updated:Wed Jun 1118:09:42 EDT 2003
44

55
Current maintainer:Bruce Momjian (pgman@candle.pha.pa.us)
66

‎doc/src/sgml/runtime.sgml‎

Lines changed: 17 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
<!--
2-
$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.183 2003/06/1118:01:13 momjian Exp $
2+
$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.184 2003/06/1122:13:21 momjian Exp $
33
-->
44

55
<Chapter Id="runtime">
@@ -1299,6 +1299,22 @@ SET ENABLE_SEQSCAN TO OFF;
12991299
<title>General Operation</title>
13001300

13011301
<variablelist>
1302+
<varlistentry>
1303+
<term><varname>ADD_MISSING_FROM</varname> (<type>boolean</type>)</term>
1304+
<listitem>
1305+
<para>
1306+
This parameter controls whether a relation referenced in a query but
1307+
missing from the FROM clause should be automatically added to
1308+
the FROM clause. If enabled (the default), the notice
1309+
<literal>Adding missing FROM-clause entry for table "tablename"</literal>
1310+
is generated if a relation is automatically added. If not enabled,
1311+
an error is raised when an additional extra relation is required.
1312+
For SQL standards compliance, this value should be set to
1313+
<literal>false</>.
1314+
</para>
1315+
</listitem>
1316+
</varlistentry>
1317+
13021318
<varlistentry>
13031319
<term><varname>AUSTRALIAN_TIMEZONES</varname> (<type>boolean</type>)</term>
13041320
<indexterm><primary>Australian time zones</></>

‎src/backend/parser/parse_relation.c‎

Lines changed: 13 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
*
99
*
1010
* IDENTIFICATION
11-
* $Header: /cvsroot/pgsql/src/backend/parser/parse_relation.c,v 1.81 2003/04/29 22:13:10 tgl Exp $
11+
* $Header: /cvsroot/pgsql/src/backend/parser/parse_relation.c,v 1.82 2003/06/11 22:13:22 momjian Exp $
1212
*
1313
*-------------------------------------------------------------------------
1414
*/
@@ -32,6 +32,8 @@
3232
#include"utils/lsyscache.h"
3333
#include"utils/syscache.h"
3434

35+
/* GUC parameter */
36+
booladd_missing_from;
3537

3638
staticNode*scanNameSpaceForRefname(ParseState*pstate,Node*nsnode,
3739
constchar*refname);
@@ -1861,7 +1863,14 @@ warnAutoRange(ParseState *pstate, RangeVar *relation)
18611863
}
18621864
}
18631865
if (foundInFromCl)
1864-
elog(NOTICE,"Adding missing FROM-clause entry%s for table \"%s\"",
1865-
pstate->parentParseState!=NULL ?" in subquery" :"",
1866-
relation->relname);
1866+
{
1867+
if (add_missing_from)
1868+
elog(NOTICE,"Adding missing FROM-clause entry%s for table \"%s\"",
1869+
pstate->parentParseState!=NULL ?" in subquery" :"",
1870+
relation->relname);
1871+
else
1872+
elog(ERROR,"Missing FROM-clause entry%s for table \"%s\"",
1873+
pstate->parentParseState!=NULL ?" in subquery" :"",
1874+
relation->relname);
1875+
}
18671876
}

‎src/backend/utils/misc/guc.c‎

Lines changed: 11 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -10,7 +10,7 @@
1010
* Written by Peter Eisentraut <peter_e@gmx.net>.
1111
*
1212
* IDENTIFICATION
13-
* $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.130 2003/06/1118:49:00 momjian Exp $
13+
* $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.131 2003/06/1122:13:22 momjian Exp $
1414
*
1515
*--------------------------------------------------------------------
1616
*/
@@ -43,6 +43,7 @@
4343
#include"optimizer/paths.h"
4444
#include"optimizer/prep.h"
4545
#include"parser/parse_expr.h"
46+
#include"parser/parse_relation.h"
4647
#include"storage/fd.h"
4748
#include"storage/freespace.h"
4849
#include"storage/lock.h"
@@ -550,10 +551,15 @@ static struct config_bool
550551
{"transaction_read_only",PGC_USERSET,GUC_NO_RESET_ALL},&XactReadOnly,
551552
false,NULL,NULL
552553
},
554+
{
555+
{"add_missing_from",PGC_USERSET},&add_missing_from,
556+
true,NULL,NULL
557+
},
553558

559+
/* End-of-list marker */
554560
{
555561
{NULL,0},NULL, false,NULL,NULL
556-
}
562+
},
557563
};
558564

559565

@@ -742,6 +748,7 @@ static struct config_int
742748
0,0,INT_MAX /1000,NULL,NULL
743749
},
744750

751+
/* End-of-list marker */
745752
{
746753
{NULL,0},NULL,0,0,0,NULL,NULL
747754
}
@@ -784,6 +791,7 @@ static struct config_real
784791
0.5,0.0,1.0,assign_random_seed,show_random_seed
785792
},
786793

794+
/* End-of-list marker */
787795
{
788796
{NULL,0},NULL,0.0,0.0,0.0,NULL,NULL
789797
}
@@ -946,6 +954,7 @@ static struct config_string
946954
XLOG_sync_method_default,assign_xlog_sync_method,NULL
947955
},
948956

957+
/* End-of-list marker */
949958
{
950959
{NULL,0},NULL,NULL,NULL,NULL
951960
}

‎src/backend/utils/misc/postgresql.conf.sample‎

Lines changed: 1 addition & 0 deletions
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@@ -208,3 +208,4 @@
208208
#statement_timeout = 0# 0 is disabled, in milliseconds
209209
#db_user_namespace = false
210210
#preload_libraries = ''
211+
#add_missing_from = true

‎src/bin/psql/tab-complete.c‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@
33
*
44
* Copyright 2000-2002 by PostgreSQL Global Development Group
55
*
6-
* $Header: /cvsroot/pgsql/src/bin/psql/tab-complete.c,v 1.78 2003/06/1118:01:14 momjian Exp $
6+
* $Header: /cvsroot/pgsql/src/bin/psql/tab-complete.c,v 1.79 2003/06/1122:13:22 momjian Exp $
77
*/
88

99
/*----------------------------------------------------------------------
@@ -492,6 +492,7 @@ psql_completion(char *text, int start, int end)
492492
* the rest should match USERSET and possibly SUSET entries in
493493
* backend/utils/misc/guc.c.
494494
*/
495+
"add_missing_from",
495496
"australian_timezones",
496497
"client_encoding",
497498
"client_min_messages",

‎src/include/parser/parse_relation.h‎

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
77
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
88
* Portions Copyright (c) 1994, Regents of the University of California
99
*
10-
* $Id: parse_relation.h,v 1.39 2002/09/04 20:31:45 momjian Exp $
10+
* $Id: parse_relation.h,v 1.40 2003/06/11 22:13:22 momjian Exp $
1111
*
1212
*-------------------------------------------------------------------------
1313
*/
@@ -16,6 +16,8 @@
1616

1717
#include"parser/parse_node.h"
1818

19+
externbooladd_missing_from;
20+
1921
externRangeTblEntry*refnameRangeTblEntry(ParseState*pstate,
2022
constchar*schemaname,
2123
constchar*refname,

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