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Commit88ce6a2

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author
Michael Meskes
committed
Synced preproc.y with gram.y and added missing include file to pgc.l.
1 parent0fada37 commit88ce6a2

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3 files changed

+57
-56
lines changed

3 files changed

+57
-56
lines changed

‎src/interfaces/ecpg/ChangeLog‎

Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1035,8 +1035,9 @@ Fri Dec 22 13:33:31 CET 2000
10351035
- Fixed bug in a connect statement using varchars.
10361036
- Synced gram.y and preproc.y.
10371037

1038-
Tue Jan 9 20:24:56 CET 2001
1038+
Mon Jan22 17:56:02 CET 2001
10391039

1040-
- Synced gram.y.
1040+
- Synced gram.y and preproc.y.
1041+
- Added #include "postgres.h" to pgc.l.
10411042
- Set ecpg version to 2.8.0.
10421043
- Set library version to 3.2.0.

‎src/interfaces/ecpg/preproc/pgc.l‎

Lines changed: 2 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -12,17 +12,16 @@
1212
*
1313
*
1414
* IDENTIFICATION
15-
* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.71 2001/01/1405:08:17 tgl Exp $
15+
* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.72 2001/01/22 17:05:50 meskes Exp $
1616
*
1717
*-------------------------------------------------------------------------
1818
*/
19-
#include"postgres.h"
20-
2119
#include<ctype.h>
2220
#include<sys/types.h>
2321
#include<limits.h>
2422
#include<errno.h>
2523

24+
#include"postgres.h"
2625
#include"miscadmin.h"
2726
#include"nodes/parsenodes.h"
2827
#include"nodes/pg_list.h"

‎src/interfaces/ecpg/preproc/preproc.y‎

Lines changed: 52 additions & 51 deletions
Original file line numberDiff line numberDiff line change
@@ -294,7 +294,7 @@ make_name(void)
294294
%type<str>opt_indirectionexpr_listextract_listextract_arg
295295
%type<str>position_listsubstr_listsubstr_fromalter_column_action
296296
%type<str>trim_listin_exprsubstr_forattrattrsdrop_behavior
297-
%type<str>TypenameSimpleTypenameGenericTypeNumericopt_floatopt_numeric
297+
%type<str>TypenameSimpleTypenameGenericNumericgenericopt_floatopt_numeric
298298
%type<str>opt_decimalCharactercharacteropt_varyingopt_charset
299299
%type<str>opt_collatedatetimeopt_timezoneopt_intervaltable_ref
300300
%type<str>row_exprrow_descriptorrow_listConstDatetimeopt_chain
@@ -313,7 +313,7 @@ make_name(void)
313313
%type<str>index_listfunc_indexindex_elemopt_classaccess_method_clause
314314
%type<str>index_opt_uniqueIndexStmtfunc_returnConstInterval
315315
%type<str>func_args_listfunc_argsopt_withProcedureStmtdef_arg
316-
%type<str>def_elemdef_listdefinitionDefineStmt
316+
%type<str>def_elemdef_listdefinitionDefineStmtselect_with_parens
317317
%type<str>opt_insteadeventevent_objectRuleActionListopt_using
318318
%type<str>RuleActionStmtOrEmptyRuleActionMultifunc_asreindex_type
319319
%type<str>RuleStmtopt_columnopt_nameoper_argtypessysid_clause
@@ -2066,16 +2066,7 @@ RuleActionMulti: RuleActionMulti ';' RuleActionStmtOrEmpty
20662066
{$$ = cat2_str($1, make_str(";")); }
20672067
;
20682068

2069-
/*
2070-
* Allowing RuleActionStmt to be a SelectStmt creates an ambiguity:
2071-
* is the RuleActionList "((SELECT foo))" a standalone RuleActionStmt,
2072-
* or a one-entry RuleActionMulti list? We don't really care, but yacc
2073-
* wants to know. We use operator precedence to resolve the ambiguity:
2074-
* giving this rule a higher precedence than ')' will force a reduce
2075-
* rather than shift decision, causing the one-entry-list interpretation
2076-
* to be chosen.
2077-
*/
2078-
RuleActionStmt:SelectStmt %precTYPECAST
2069+
RuleActionStmt:SelectStmt
20792070
|InsertStmt
20802071
|UpdateStmt
20812072
|DeleteStmt
@@ -2491,11 +2482,17 @@ opt_cursor: BINARY { $$ = make_str("binary"); }
24912482
*
24922483
*****************************************************************************/
24932484

2494-
SelectStmt:select_no_parens %precTYPECAST
2485+
SelectStmt:select_no_parens %precUMINUS
2486+
{$$ =$1; }
2487+
|select_with_parens%precUMINUS
2488+
{$$ =$1; }
2489+
;
2490+
2491+
select_with_parens:'('select_no_parens')'
24952492
{
2496-
$$ =$1;
2493+
$$ =cat_str(3, make_str("("),$2, make_str(")"));
24972494
}
2498-
|'('SelectStmt')'
2495+
|'('select_with_parens')'
24992496
{
25002497
$$ = cat_str(3, make_str("("),$2, make_str(")"));
25012498
}
@@ -2524,9 +2521,9 @@ select_clause: simple_select
25242521
$$ =$1;
25252522

25262523
}
2527-
|'('SelectStmt')'
2524+
|select_with_parens
25282525
{
2529-
$$ =cat_str(3, make_str("("),$2, make_str(")"));
2526+
$$ =$1;
25302527
}
25312528
;
25322529

@@ -2745,10 +2742,6 @@ from_list: from_list ',' table_ref{ $$ = cat_str(3, $1, make_str(","), $3); }
27452742
* between table_ref := '(' joined_table ')' alias_clause
27462743
* and joined_table := '(' joined_table ')'. So, we must have the
27472744
* redundant-looking productions here instead.
2748-
*
2749-
* Note that the SQL spec does not permit a subselect (<derived_table>)
2750-
* without an alias clause, so we don't either. This avoids the problem
2751-
* of needing to invent a refname for an unlabeled subselect.
27522745
*/
27532746
table_ref:relation_expr
27542747
{
@@ -2758,9 +2751,13 @@ table_ref: relation_expr
27582751
{
27592752
$$= cat2_str($1,$2);
27602753
}
2761-
|'('SelectStmt')'alias_clause
2754+
|select_with_parens
2755+
{
2756+
mmerror(ET_ERROR,"sub-SELECT in FROM must have an alias");
2757+
}
2758+
|select_with_parensalias_clause
27622759
{
2763-
$$=cat_str(4, make_str("("),$2, make_str(")"),$4);
2760+
$$=cat2_str($1,$2);
27642761
}
27652762
|joined_table
27662763
{
@@ -2856,12 +2853,12 @@ relation_expr:relation_name
28562853
/* normal relations*/
28572854
$$ =$1;
28582855
}
2859-
|relation_name'*' %prec'='
2856+
|relation_name'*'
28602857
{
28612858
/* inheritance query*/
28622859
$$ = cat2_str($1, make_str("*"));
28632860
}
2864-
|ONLYrelation_name %prec'='
2861+
|ONLYrelation_name
28652862
{
28662863
/* inheritance query*/
28672864
$$ = cat2_str(make_str("ONLY"),$2);
@@ -2928,15 +2925,22 @@ SimpleTypename: ConstTypename{ $$ = $1; }
29282925
|ConstInterval{$$ =$1; }
29292926
;
29302927

2931-
ConstTypename:GenericType{$$ =$1; }
2928+
ConstTypename:Generic{$$ =$1; }
29322929
|ConstDatetime{$$ =$1; }
29332930
|Numeric{$$ =$1; }
29342931
|Geometric{$$ =$1; }
29352932
|Bit{$$ =$1; }
29362933
|Character{$$ =$1; }
29372934
;
29382935

2939-
GenericType:ident{$$ =$1; }
2936+
Generic:generic
2937+
{
2938+
$$ =$1;
2939+
}
2940+
;
2941+
2942+
generic:ident{$$ =$1; }
2943+
|TYPE_P{$$ = make_str("type"); }
29402944
|ECPGKeywords{$$ =$1; }
29412945
|ECPGTypeName{$$ =$1; }
29422946
;
@@ -3170,21 +3174,21 @@ opt_interval: datetime{ $$ = $1; }
31703174
* Define row_descriptor to allow yacc to break the reduce/reduce conflict
31713175
* with singleton expressions.
31723176
*/
3173-
row_expr:'('row_descriptor')'IN'('SelectStmt')'
3177+
row_expr:'('row_descriptor')'INselect_with_parens
31743178
{
3175-
$$ = cat_str(5, make_str("("),$2, make_str(") in("),$6, make_str(")"));
3179+
$$ = cat_str(4, make_str("("),$2, make_str(") in"),$5);
31763180
}
3177-
|'('row_descriptor')'NOTIN'('SelectStmt')'
3181+
|'('row_descriptor')'NOTINselect_with_parens
31783182
{
3179-
$$ = cat_str(5, make_str("("),$2, make_str(") not in("),$7, make_str(")"));
3183+
$$ = cat_str(4, make_str("("),$2, make_str(") not in"),$6);
31803184
}
3181-
|'('row_descriptor')'all_Opsub_type'('SelectStmt')'
3185+
|'('row_descriptor')'all_Opsub_typeselect_with_parens
31823186
{
3183-
$$ = cat_str(8, make_str("("),$2, make_str(")"),$4,$5,make_str("("),$7, make_str(")"));
3187+
$$ = cat_str(6, make_str("("),$2, make_str(")"),$4,$5,$6);
31843188
}
3185-
|'('row_descriptor')'all_Op'('SelectStmt')'
3189+
|'('row_descriptor')'all_Opselect_with_parens
31863190
{
3187-
$$ = cat_str(7, make_str("("),$2, make_str(")"),$4,make_str("("),$6, make_str(")"));
3191+
$$ = cat_str(5, make_str("("),$2, make_str(")"),$4,$5);
31883192
}
31893193
|'('row_descriptor')'all_Op'('row_descriptor')'
31903194
{
@@ -3349,17 +3353,17 @@ a_expr: c_expr
33493353
{
33503354
$$ = cat_str(5,$1, make_str("not between"),$4, make_str("and"),$6);
33513355
}
3352-
|a_exprIN'('in_expr')'
3356+
|a_exprINin_expr
33533357
{
3354-
$$ = cat_str(4,$1, make_str(" in ("),$4, make_str(")"));
3358+
$$ = cat_str(3,$1, make_str(" in"),$3);
33553359
}
3356-
|a_exprNOTIN'('in_expr')'
3360+
|a_exprNOTINin_expr
33573361
{
3358-
$$ = cat_str(4,$1, make_str(" not in("),$5, make_str(")"));
3362+
$$ = cat_str(3,$1, make_str(" not in"),$4);
33593363
}
3360-
|a_exprall_Opsub_type'('SelectStmt')'
3364+
|a_exprall_Opsub_typeselect_with_parens
33613365
{
3362-
$$ = cat_str(6,$1,$2,$3,make_str("("),$5, make_str(")"));
3366+
$$ = cat_str(4,$1,$2,$3,$4);
33633367
}
33643368
|row_expr
33653369
{$$ =$1; }
@@ -3494,10 +3498,10 @@ c_expr: attr
34943498
{$$ = cat_str(3, make_str("trim(trailing"),$4, make_str(")")); }
34953499
|TRIM'('trim_list')'
34963500
{$$ = cat_str(3, make_str("trim("),$3, make_str(")")); }
3497-
|'('select_no_parens')'
3498-
{$$ =cat_str(3, make_str("("),$2, make_str(")")); }
3499-
|EXISTS'('SelectStmt')'
3500-
{$$ =cat_str(3,make_str("exists("),$3, make_str(")")); }
3501+
|select_with_parens%precUMINUS
3502+
{$$ =$1; }
3503+
|EXISTSselect_with_parens
3504+
{$$ =cat2_str(make_str("exists"),$2); }
35013505
;
35023506
/*
35033507
* This used to use ecpg_expr, but since there is no shift/reduce conflict
@@ -3583,12 +3587,12 @@ trim_list: a_expr FROM expr_list
35833587
{$$ =$1; }
35843588
;
35853589

3586-
in_expr:SelectStmt
3590+
in_expr:select_with_parens
35873591
{
35883592
$$ =$1;
35893593
}
3590-
|in_expr_nodes
3591-
{$$ =$1; }
3594+
|'('in_expr_nodes')'
3595+
{$$ =cat_str(3, make_str("("),$2, make_str(")")); }
35923596
;
35933597

35943598
in_expr_nodes:a_expr
@@ -5069,7 +5073,6 @@ TokenId: ABSOLUTE{ $$ = make_str("absolute"); }
50695073
|TRIGGER{$$ = make_str("trigger"); }
50705074
|TRUNCATE{$$ = make_str("truncate"); }
50715075
|TRUSTED{$$ = make_str("trusted"); }
5072-
|TYPE_P{$$ = make_str("type"); }
50735076
|UNLISTEN{$$ = make_str("unlisten"); }
50745077
|UNTIL{$$ = make_str("until"); }
50755078
|UPDATE{$$ = make_str("update"); }
@@ -5103,7 +5106,6 @@ ECPGColLabel: ECPGColId{ $$ = $1; }
51035106
|ALL{$$ = make_str("all"); }
51045107
|ANALYSE {$$ = make_str("analyse"); }
51055108
|ANALYZE {$$ = make_str("analyze"); }
5106-
|AND{$$ = make_str("and"); }
51075109
|ANY{$$ = make_str("any"); }
51085110
|ASC{$$ = make_str("asc"); }
51095111
|BETWEEN {$$ = make_str("between"); }
@@ -5198,7 +5200,6 @@ ECPGColLabel: ECPGColId{ $$ = $1; }
51985200
|TABLE{$$ = make_str("table"); }
51995201
|THEN {$$ = make_str("then"); }
52005202
|TO{$$ = make_str("to"); }
5201-
|TRAILING{$$ = make_str("trailing"); }
52025203
|TRANSACTION{$$ = make_str("transaction"); }
52035204
|TRIM{$$ = make_str("trim"); }
52045205
|TRUE_P{$$ = make_str("true"); }

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