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Don't treat NEW and OLD as reserved words anymore. For the purposes of rules

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it works just as well to have them be ordinary identifiers, and this gets rid
of a number of ugly special cases.  Plus we aren't interfering with non-rule
usage of these names.

catversion bump because the names change internally in stored rules.
This commit is contained in:
Tom Lane
2009-11-05 23:24:27 +00:00
parent 45d7e04fce
commit 593f4b854a
18 changed files with 84 additions and 156 deletions
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8
src/interfaces/ecpg/preproc/ecpg.addons
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@@ -1,4 +1,4 @@
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.addons,v 1.5 2009/08/14 13:28:22 meskes Exp $ */
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.addons,v 1.6 2009/11/05 23:24:27 tgl Exp $ */
ECPG: stmtClosePortalStmt block
{
@@ -377,12 +377,6 @@ ECPG: FetchStmtMOVEname rule
add_additional_variables($3, false);
$$ = cat_str(3, make_str("fetch"), $2, $3);
}
ECPG: SpecialRuleRelationOLD addon
if (!QueryIsRule)
mmerror(PARSE_ERROR, ET_ERROR, "OLD used in query that is not in a rule");
ECPG: SpecialRuleRelationNEW addon
if (!QueryIsRule)
mmerror(PARSE_ERROR, ET_ERROR, "NEW used in query that is not in a rule");
ECPG: select_limitLIMITselect_limit_value','select_offset_value block
{
mmerror(PARSE_ERROR, ET_WARNING, "no longer supported LIMIT #,# syntax passed to server");

4
src/interfaces/ecpg/preproc/ecpg.header
View File

@@ -1,4 +1,4 @@
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.header,v 1.9 2009/09/08 04:25:00 tgl Exp $ */
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.header,v 1.10 2009/11/05 23:24:27 tgl Exp $ */
/* Copyright comment */
%{
@@ -37,7 +37,7 @@ int ecpg_informix_var = 0;
char *connection = NULL;
char *input_filename = NULL;
static int QueryIsRule = 0, FoundInto = 0;
static int FoundInto = 0;
static int initializer = 0;
static int pacounter = 1;
static char pacounter_buffer[sizeof(int) * CHAR_BIT * 10 / 3]; /* a rough guess at the size we need */

12
src/interfaces/ecpg/preproc/ecpg.trailer
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@@ -1,4 +1,4 @@
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.trailer,v 1.12 2009/09/22 23:43:42 tgl Exp $ */
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.trailer,v 1.13 2009/11/05 23:24:27 tgl Exp $ */
statements: /*EMPTY*/
| statements statement
@@ -28,16 +28,6 @@ CreateAsStmt: CREATE OptTemp TABLE create_as_target AS {FoundInto = 0;} SelectSt
}
;
RuleStmt: CREATE opt_or_replace RULE name AS
{QueryIsRule = 1;}
ON event TO qualified_name where_clause
DO opt_instead RuleActionList
{
QueryIsRule=0;
$$ = cat_str(12, make_str("create"), $2, make_str("rule"), $4, make_str("as on"), $8, make_str("to"), $10, $11, make_str("do"), $13, $14);
}
;
at: AT connection_object
{
connection = $2;

3
src/interfaces/ecpg/preproc/ecpg.type
View File

@@ -1,4 +1,4 @@
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.type,v 1.1 2008/11/14 10:03:33 meskes Exp $ */
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.type,v 1.2 2009/11/05 23:24:27 tgl Exp $ */
%type <str> ECPGAllocateDescr
%type <str> ECPGCKeywords
%type <str> ECPGColId
@@ -90,7 +90,6 @@
%type <str> precision
%type <str> prepared_name
%type <str> quoted_ident_stringvar
%type <str> RuleStmt
%type <str> s_struct_union
%type <str> server
%type <str> server_name

3
src/interfaces/ecpg/preproc/parse.pl
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@@ -1,5 +1,5 @@
#!/usr/bin/perl
# $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/parse.pl,v 1.3 2009/01/29 09:38:38 petere Exp $
# $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/parse.pl,v 1.4 2009/11/05 23:24:27 tgl Exp $
# parser generater for ecpg
# call with backend parser as stdin
#
@@ -51,7 +51,6 @@ $replace_types{'stmtblock'} = 'ignore';
$replace_types{'stmtmulti'} = 'ignore';
$replace_types{'CreateAsStmt'} = 'ignore';
$replace_types{'DeallocateStmt'} = 'ignore';
$replace_types{'RuleStmt'} = 'ignore';
$replace_types{'ColLabel'} = 'ignore';
$replace_types{'unreserved_keyword'} = 'ignore';
$replace_types{'Sconst'} = 'ignore';