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Commit332f0f5

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committed
Rename rule CURRENT to OLD in source tree. Add mapping for backward
compatiblity with old rules.
1 parent767e6d1 commit332f0f5

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12 files changed

+94
-91
lines changed

12 files changed

+94
-91
lines changed

‎src/backend/commands/view.c‎

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -6,7 +6,7 @@
66
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
77
* Portions Copyright (c) 1994, Regents of the University of California
88
*
9-
*$Id: view.c,v 1.42 2000/02/15 03:36:39 thomas Exp $
9+
*$Id: view.c,v 1.43 2000/06/12 19:40:40 momjian Exp $
1010
*
1111
*-------------------------------------------------------------------------
1212
*/
@@ -189,7 +189,7 @@ DefineViewRules(char *viewName, Query *viewParse)
189189
* This update consists of adding two new entries IN THE BEGINNING
190190
* of the range table (otherwise the rule system will die a slow,
191191
* horrible and painful death, and we do not want that now, do we?)
192-
* one for theCURRENT relation and one for the NEW one (both of
192+
* one for theOLD relation and one for the NEW one (both of
193193
* them refer in fact to the "view" relation).
194194
*
195195
* Of course we must also increase the 'varnos' of all the Var nodes
@@ -224,10 +224,10 @@ UpdateRangeTableOfViewParse(char *viewName, Query *viewParse)
224224

225225
/*
226226
* create the 2 new range table entries and form the new range
227-
* table...CURRENT first, then NEW....
227+
* table...OLD first, then NEW....
228228
*/
229229
rt_entry1=addRangeTableEntry(NULL, (char*)viewName,
230-
makeAttr("*CURRENT*",NULL),
230+
makeAttr("*OLD*",NULL),
231231
FALSE, FALSE, FALSE);
232232
rt_entry2=addRangeTableEntry(NULL, (char*)viewName,
233233
makeAttr("*NEW*",NULL),
@@ -276,7 +276,7 @@ DefineView(char *viewName, Query *viewParse)
276276

277277
/*
278278
* The range table of 'viewParse' does not contain entries for the
279-
* "CURRENT" and "NEW" relations. So... add them! NOTE: we make the
279+
* "OLD" and "NEW" relations. So... add them! NOTE: we make the
280280
* update in place! After this call 'viewParse' will never be what it
281281
* used to be...
282282
*/

‎src/backend/parser/analyze.c‎

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -6,7 +6,7 @@
66
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
77
* Portions Copyright (c) 1994, Regents of the University of California
88
*
9-
*$Id: analyze.c,v 1.146 2000/06/09 01:44:18 momjian Exp $
9+
*$Id: analyze.c,v 1.147 2000/06/12 19:40:40 momjian Exp $
1010
*
1111
*-------------------------------------------------------------------------
1212
*/
@@ -1351,7 +1351,7 @@ transformRuleStmt(ParseState *pstate, RuleStmt *stmt)
13511351
nothing_qry->commandType=CMD_NOTHING;
13521352

13531353
addRangeTableEntry(pstate,stmt->object->relname,
1354-
makeAttr("*CURRENT*",NULL),
1354+
makeAttr("*OLD*",NULL),
13551355
FALSE, FALSE, FALSE);
13561356
addRangeTableEntry(pstate,stmt->object->relname,
13571357
makeAttr("*NEW*",NULL),
@@ -1371,11 +1371,11 @@ transformRuleStmt(ParseState *pstate, RuleStmt *stmt)
13711371
{
13721372

13731373
/*
1374-
* NOTE: 'CURRENT' must always have a varno equal to 1 and 'NEW'
1374+
* NOTE: 'OLD' must always have a varno equal to 1 and 'NEW'
13751375
* equal to 2.
13761376
*/
13771377
addRangeTableEntry(pstate,stmt->object->relname,
1378-
makeAttr("*CURRENT*",NULL),
1378+
makeAttr("*OLD*",NULL),
13791379
FALSE, FALSE, FALSE);
13801380
addRangeTableEntry(pstate,stmt->object->relname,
13811381
makeAttr("*NEW*",NULL),

‎src/backend/parser/gram.y‎

Lines changed: 7 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -11,7 +11,7 @@
1111
*
1212
*
1313
* IDENTIFICATION
14-
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.172 2000/06/1203:40:30 momjian Exp $
14+
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.173 2000/06/1219:40:40 momjian Exp $
1515
*
1616
* HISTORY
1717
* AUTHORDATEMAJOR EVENT
@@ -298,7 +298,7 @@ static void doNegateFloat(Value *v);
298298
BEGIN_TRANS,BETWEEN,BOTH,BY,
299299
CASCADE,CASE,CAST,CHAR,CHARACTER,CHECK,CLOSE,
300300
COALESCE,COLLATE,COLUMN,COMMIT,
301-
CONSTRAINT,CONSTRAINTS,CREATE,CROSS,CURRENT,CURRENT_DATE,
301+
CONSTRAINT,CONSTRAINTS,CREATE,CROSS,CURRENT_DATE,
302302
CURRENT_TIME,CURRENT_TIMESTAMP,CURRENT_USER,CURSOR,
303303
DAY_P,DEC,DECIMAL,DECLARE,DEFAULT,DELETE,DESC,
304304
DISTINCT,DOUBLE,DROP,
@@ -309,7 +309,7 @@ static void doNegateFloat(Value *v);
309309
ISOLATION,JOIN,KEY,LANGUAGE,LEADING,LEFT,LEVEL,LIKE,LOCAL,
310310
MATCH,MINUTE_P,MONTH_P,NAMES,
311311
NATIONAL,NATURAL,NCHAR,NEXT,NO,NOT,NULLIF,NULL_P,NUMERIC,
312-
OF,ON,ONLY,OPTION,OR,ORDER,OUTER_P,OVERLAPS,
312+
OF,OLD,ON,ONLY,OPTION,OR,ORDER,OUTER_P,OVERLAPS,
313313
PARTIAL,POSITION,PRECISION,PRIMARY,PRIOR,PRIVILEGES,PROCEDURE,PUBLIC,
314314
READ,REFERENCES,RELATIVE,REVOKE,RIGHT,ROLLBACK,
315315
SCROLL,SECOND_P,SELECT,SESSION_USER,SET,SOME,SUBSTRING,
@@ -5509,7 +5509,6 @@ ColLabel: ColId{ $$ = $1; }
55095509
|CONSTRAINT{$$ ="constraint"; }
55105510
|COPY{$$ ="copy"; }
55115511
|CROSS{$$ ="cross"; }
5512-
|CURRENT{$$ ="current"; }
55135512
|CURRENT_DATE{$$ ="current_date"; }
55145513
|CURRENT_TIME{$$ ="current_time"; }
55155514
|CURRENT_TIMESTAMP{$$ ="current_timestamp"; }
@@ -5564,6 +5563,7 @@ ColLabel: ColId{ $$ = $1; }
55645563
|NUMERIC{$$ ="numeric"; }
55655564
|OFF{$$ ="off"; }
55665565
|OFFSET{$$ ="offset"; }
5566+
|OLD{$$ ="old"; }
55675567
|ON{$$ ="on"; }
55685568
|ONLY{$$ ="only"; }
55695569
|OR{$$ ="or"; }
@@ -5601,12 +5601,12 @@ ColLabel: ColId{ $$ = $1; }
56015601
|WHERE{$$ ="where"; }
56025602
;
56035603

5604-
SpecialRuleRelation:CURRENT
5604+
SpecialRuleRelation:OLD
56055605
{
56065606
if (QueryIsRule)
5607-
$$ ="*CURRENT*";
5607+
$$ ="*OLD*";
56085608
else
5609-
elog(ERROR,"CURRENT used in non-rule query");
5609+
elog(ERROR,"OLD used in non-rule query");
56105610
}
56115611
|NEW
56125612
{

‎src/backend/parser/keywords.c‎

Lines changed: 5 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -9,9 +9,9 @@
99
*
1010
* IDENTIFICATION
1111
<<<<<<< keywords.c
12-
* $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.76 2000/06/1203:40:30 momjian Exp $
12+
* $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.77 2000/06/1219:40:41 momjian Exp $
1313
=======
14-
* $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.76 2000/06/1203:40:30 momjian Exp $
14+
* $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.77 2000/06/1219:40:41 momjian Exp $
1515
>>>>>>> 1.73
1616
*
1717
*-------------------------------------------------------------------------
@@ -77,6 +77,8 @@ static ScanKeyword ScanKeywords[] = {
7777
{"createdb",CREATEDB},
7878
{"createuser",CREATEUSER},
7979
{"cross",CROSS},
80+
/* for portability with old rules bjm 2000-06-12 */
81+
{"current",OLD},
8082
{"current_date",CURRENT_DATE},
8183
{"current_time",CURRENT_TIME},
8284
{"current_timestamp",CURRENT_TIMESTAMP},
@@ -183,7 +185,7 @@ static ScanKeyword ScanKeywords[] = {
183185
{"off",OFF},
184186
{"offset",OFFSET},
185187
{"oids",OIDS},
186-
{"old",CURRENT},
188+
{"old",OLD},
187189
{"on",ON},
188190
{"only",ONLY},
189191
{"operator",OPERATOR},

‎src/backend/parser/parse_relation.c‎

Lines changed: 2 additions & 2 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 1.42 2000/06/08 22:37:18 momjian Exp $
11+
* $Header: /cvsroot/pgsql/src/backend/parser/parse_relation.c,v 1.43 2000/06/12 19:40:42 momjian Exp $
1212
*
1313
*-------------------------------------------------------------------------
1414
*/
@@ -250,7 +250,7 @@ addRangeTableEntry(ParseState *pstate,
250250

251251
if (rt_index!=0&& (!inFromCl||sublevels_up==0))
252252
{
253-
if (!strcmp(ref->relname,"*CURRENT*")|| !strcmp(ref->relname,"*NEW*"))
253+
if (!strcmp(ref->relname,"*OLD*")|| !strcmp(ref->relname,"*NEW*"))
254254
return (RangeTblEntry*)nth(rt_index-1,pstate->p_rtable);
255255
elog(ERROR,"Table name '%s' specified more than once",ref->relname);
256256
}

‎src/backend/rewrite/rewriteHandler.c‎

Lines changed: 8 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
77
*
88
*
99
* IDENTIFICATION
10-
* $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteHandler.c,v 1.74 2000/05/30 00:49:51 momjian Exp $
10+
* $Header: /cvsroot/pgsql/src/backend/rewrite/rewriteHandler.c,v 1.75 2000/06/12 19:40:42 momjian Exp $
1111
*
1212
*-------------------------------------------------------------------------
1313
*/
@@ -107,11 +107,11 @@ gatherRewriteMeta(Query *parsetree,
107107
OffsetVarNodes((Node*)info->rule_action->targetList,rt_length,0);
108108
OffsetVarNodes(info->rule_qual,rt_length,0);
109109
ChangeVarNodes((Node*)info->rule_action->qual,
110-
PRS2_CURRENT_VARNO+rt_length,rt_index,0);
110+
PRS2_OLD_VARNO+rt_length,rt_index,0);
111111
ChangeVarNodes((Node*)info->rule_action->targetList,
112-
PRS2_CURRENT_VARNO+rt_length,rt_index,0);
112+
PRS2_OLD_VARNO+rt_length,rt_index,0);
113113
ChangeVarNodes(info->rule_qual,
114-
PRS2_CURRENT_VARNO+rt_length,rt_index,0);
114+
PRS2_OLD_VARNO+rt_length,rt_index,0);
115115

116116
/*
117117
* bug here about replace CURRENT -- sort of replace current is
@@ -125,7 +125,7 @@ gatherRewriteMeta(Query *parsetree,
125125
result_reln=info->rule_action->resultRelation;
126126
switch (result_reln)
127127
{
128-
casePRS2_CURRENT_VARNO:
128+
casePRS2_OLD_VARNO:
129129
new_result_reln=rt_index;
130130
break;
131131
casePRS2_NEW_VARNO:/* XXX */
@@ -796,9 +796,9 @@ ApplyRetrieveRule(Query *parsetree,
796796
OffsetVarNodes((Node*)rule_action,rt_length,0);
797797

798798
ChangeVarNodes((Node*)rule_qual,
799-
PRS2_CURRENT_VARNO+rt_length,rt_index,0);
799+
PRS2_OLD_VARNO+rt_length,rt_index,0);
800800
ChangeVarNodes((Node*)rule_action,
801-
PRS2_CURRENT_VARNO+rt_length,rt_index,0);
801+
PRS2_OLD_VARNO+rt_length,rt_index,0);
802802

803803
if (relation_level)
804804
{
@@ -1061,7 +1061,7 @@ CopyAndAddQual(Query *parsetree,
10611061
rtable=nconc(rtable,copyObject(rule_action->rtable));
10621062
new_tree->rtable=rtable;
10631063
OffsetVarNodes(new_qual,rt_length,0);
1064-
ChangeVarNodes(new_qual,PRS2_CURRENT_VARNO+rt_length,rt_index,0);
1064+
ChangeVarNodes(new_qual,PRS2_OLD_VARNO+rt_length,rt_index,0);
10651065
}
10661066
/* XXX -- where current doesn't work for instead nothing.... yet */
10671067
AddNotQual(new_tree,new_qual);

‎src/backend/utils/adt/ruleutils.c‎

Lines changed: 8 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@
33
* out of its tuple
44
*
55
* IDENTIFICATION
6-
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.52 2000/06/10 05:17:23 tgl Exp $
6+
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.53 2000/06/12 19:40:43 momjian Exp $
77
*
88
* This software is copyrighted by Jan Wieck - Hamburg.
99
*
@@ -912,7 +912,7 @@ get_select_query_def(Query *query, deparse_context *context)
912912

913913
/* ----------
914914
* Now check if any of the used rangetable entries is different
915-
* from *NEW* and *CURRENT*. If so we must provide the FROM clause
915+
* from *NEW* and *OLD*. If so we must provide the FROM clause
916916
* later.
917917
* ----------
918918
*/
@@ -927,7 +927,7 @@ get_select_query_def(Query *query, deparse_context *context)
927927
continue;
928928
if (!strcmp(rte->ref->relname,"*NEW*"))
929929
continue;
930-
if (!strcmp(rte->ref->relname,"*CURRENT*"))
930+
if (!strcmp(rte->ref->relname,"*OLD*"))
931931
continue;
932932

933933
rt_constonly= FALSE;
@@ -973,7 +973,7 @@ get_select_query_def(Query *query, deparse_context *context)
973973
quote_identifier(tle->resdom->resname));
974974
}
975975

976-
/* If we need other tables than *NEW* or *CURRENT* add the FROM clause */
976+
/* If we need other tables than *NEW* or *OLD* add the FROM clause */
977977
if (!rt_constonly&&rt_numused>0)
978978
{
979979
sep=" FROM ";
@@ -988,7 +988,7 @@ get_select_query_def(Query *query, deparse_context *context)
988988
continue;
989989
if (!strcmp(rte->ref->relname,"*NEW*"))
990990
continue;
991-
if (!strcmp(rte->ref->relname,"*CURRENT*"))
991+
if (!strcmp(rte->ref->relname,"*OLD*"))
992992
continue;
993993

994994
appendStringInfo(buf,sep);
@@ -1074,7 +1074,7 @@ get_insert_query_def(Query *query, deparse_context *context)
10741074
List*l;
10751075

10761076
/* ----------
1077-
* We need to know if other tables than *NEW* or *CURRENT*
1077+
* We need to know if other tables than *NEW* or *OLD*
10781078
* are used in the query. If not, it's an INSERT ... VALUES,
10791079
* otherwise an INSERT ... SELECT.
10801080
* ----------
@@ -1105,7 +1105,7 @@ get_insert_query_def(Query *query, deparse_context *context)
11051105
continue;
11061106
if (!strcmp(rte->ref->relname,"*NEW*"))
11071107
continue;
1108-
if (!strcmp(rte->ref->relname,"*CURRENT*"))
1108+
if (!strcmp(rte->ref->relname,"*OLD*"))
11091109
continue;
11101110

11111111
rt_constonly= FALSE;
@@ -1278,7 +1278,7 @@ get_rule_expr(Node *node, deparse_context *context)
12781278
quote_identifier(rte->relname));
12791279
elseif (!strcmp(rte->ref->relname,"*NEW*"))
12801280
appendStringInfo(buf,"new.");
1281-
elseif (!strcmp(rte->ref->relname,"*CURRENT*"))
1281+
elseif (!strcmp(rte->ref->relname,"*OLD*"))
12821282
appendStringInfo(buf,"old.");
12831283
else
12841284
appendStringInfo(buf,"%s.",

‎src/include/nodes/primnodes.h‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
77
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
88
* Portions Copyright (c) 1994, Regents of the University of California
99
*
10-
* $Id: primnodes.h,v 1.42 2000/05/25 22:42:19 tgl Exp $
10+
* $Id: primnodes.h,v 1.43 2000/06/12 19:40:49 momjian Exp $
1111
*
1212
*-------------------------------------------------------------------------
1313
*/
@@ -142,8 +142,8 @@ typedef struct Expr
142142
#defineINNER65000
143143
#defineOUTER65001
144144

145-
#definePRS2_CURRENT_VARNO1
146-
#definePRS2_NEW_VARNO2
145+
#definePRS2_OLD_VARNO1
146+
#definePRS2_NEW_VARNO2
147147

148148
typedefstructVar
149149
{

‎src/include/parser/parsetree.h‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
99
* Portions Copyright (c) 1994, Regents of the University of California
1010
*
11-
* $Id: parsetree.h,v 1.9 2000/02/15 03:38:29 thomas Exp $
11+
* $Id: parsetree.h,v 1.10 2000/06/12 19:40:51 momjian Exp $
1212
*
1313
*-------------------------------------------------------------------------
1414
*/
@@ -39,7 +39,7 @@
3939
*/
4040

4141
#definert_relname(rt_entry) \
42-
((!strcmp(((rt_entry)->ref->relname),"*CURRENT*") ||\
42+
((!strcmp(((rt_entry)->ref->relname),"*OLD*") ||\
4343
!strcmp(((rt_entry)->ref->relname),"*NEW*")) ? ((rt_entry)->ref->relname) : \
4444
((char *)(rt_entry)->relname))
4545

‎src/interfaces/ecpg/preproc/keywords.c‎

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
*
99
*
1010
* IDENTIFICATION
11-
* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/keywords.c,v 1.27 2000/06/09 01:44:31 momjian Exp $
11+
* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/keywords.c,v 1.28 2000/06/12 19:40:55 momjian Exp $
1212
*
1313
*-------------------------------------------------------------------------
1414
*/
@@ -73,6 +73,8 @@ static ScanKeyword ScanKeywords[] = {
7373
{"createdb",CREATEDB},
7474
{"createuser",CREATEUSER},
7575
{"cross",CROSS},
76+
/* for portability with old rules bjm 2000-06-12 */
77+
{"current",OLD},
7678
{"current_date",CURRENT_DATE},
7779
{"current_time",CURRENT_TIME},
7880
{"current_timestamp",CURRENT_TIMESTAMP},
@@ -178,7 +180,7 @@ static ScanKeyword ScanKeywords[] = {
178180
{"of",OF},
179181
{"offset",OFFSET},
180182
{"oids",OIDS},
181-
{"old",CURRENT},
183+
{"old",OLD},
182184
{"on",ON},
183185
{"only",ONLY},
184186
{"operator",OPERATOR},

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