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Commite845adf

Browse files
author
Michael Meskes
committed
- Fixed bug in adjust_informix that treated arrays as simple variables.
- Synced parser again.- Synced lexer.
1 parenta4ab5ba commite845adf

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5 files changed

+126
-53
lines changed

5 files changed

+126
-53
lines changed

‎src/interfaces/ecpg/ChangeLog‎

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1777,6 +1777,13 @@ Thu Apr 22 14:13:57 CEST 2004
17771777
Thu Apr 29 16:06:37 CEST 2004
17781778

17791779
- Synced parser and keyword list.
1780+
1781+
Wed May 5 11:51:47 CEST 2004
1782+
1783+
- Fixed bug in adjust_informix that treated arrays as simple
1784+
variables.
1785+
- Synced parser again.
1786+
- Synced lexer.
17801787
- Set pgtypes library version to 1.2.
17811788
- Set ecpg version to 3.2.0.
17821789
- Set compat library version to 1.2.

‎src/interfaces/ecpg/ecpglib/data.c‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/data.c,v 1.22 2003/11/29 19:52:08 pgsql Exp $ */
1+
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/data.c,v 1.23 2004/05/05 15:03:04 meskes Exp $ */
22

33
#definePOSTGRES_ECPG_INTERNAL
44
#include"postgres_fe.h"
@@ -44,7 +44,7 @@ ECPGget_data(const PGresult *results, int act_tuple, int act_field, int lineno,
4444
char*pval= (char*)PQgetvalue(results,act_tuple,act_field);
4545
intvalue_for_indicator=0;
4646

47-
ECPGlog("ECPGget_data line %d: RESULT: %s offset: %ld array: %d\n",lineno,pval ?pval :"",offset,isarray);
47+
ECPGlog("ECPGget_data line %d: RESULT: %s offset: %ld array: %s\n",lineno,pval ?pval :"",offset,isarray?"Yes":"No");
4848

4949
/* pval is a pointer to the value */
5050
/* let's check if it really is an array if it should be one */

‎src/interfaces/ecpg/ecpglib/execute.c‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/execute.c,v 1.32 2004/01/28 09:52:14 meskes Exp $ */
1+
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/execute.c,v 1.33 2004/05/05 15:03:04 meskes Exp $ */
22

33
/*
44
* The aim is to get a simpler inteface to the database routines.
@@ -333,7 +333,7 @@ ECPGis_type_an_array(int type, const struct statement * stmt, const struct varia
333333
}
334334
PQclear(query);
335335
ECPGtypeinfocache_push(&(stmt->connection->cache_head),type,isarray,stmt->lineno);
336-
ECPGlog("ECPGis_type_an_array line %d: TYPE database: %d C: %d array: %d\n",stmt->lineno,type,var->type,isarray);
336+
ECPGlog("ECPGis_type_an_array line %d: TYPE database: %d C: %d array: %s\n",stmt->lineno,type,var->type,isarray?"Yes":"No");
337337
returnisarray;
338338
}
339339

‎src/interfaces/ecpg/preproc/pgc.l‎

Lines changed: 63 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -12,7 +12,7 @@
1212
*
1313
*
1414
* IDENTIFICATION
15-
* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.127 2004/03/02 06:45:05 meskes Exp $
15+
* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.128 2004/05/05 15:03:04 meskes Exp $
1616
*
1717
*-------------------------------------------------------------------------
1818
*/
@@ -28,6 +28,7 @@
2828
extern YYSTYPE yylval;
2929

3030
staticintxcdepth =0;/* depth of nesting in slash-star comments*/
31+
staticchar *dolqstart;/* current $foo$ quote start string*/
3132

3233
/*
3334
* literalbuf is used to accumulate literal values when multiple rules
@@ -93,6 +94,7 @@ static struct _if_value
9394
*<xd> delimited identifiers (double-quoted identifiers) - thomas 1997-10-27
9495
*<xh> hexadecimal numeric string - thomas 1997-11-16
9596
*<xq> quoted strings - thomas 1997-07-30
97+
* <xdolq> $foo$ quoted strings
9698
*/
9799

98100
%xxb
@@ -101,6 +103,7 @@ static struct _if_value
101103
%xxdc
102104
%xxh
103105
%xxq
106+
%xxdolq
104107
%xxpre
105108
%xxcond
106109
%xxskip
@@ -128,7 +131,7 @@ xnstart [nN]{quote}
128131
xch0[xX][0-9A-Fa-f]*
129132

130133
/* Extended quote
131-
* xqdouble implementsSQL92embedded quote
134+
* xqdouble implements embedded quote
132135
* xqcat allows strings to cross input lines
133136
*/
134137
quote'
@@ -140,6 +143,17 @@ xqescape [\\][^0-7]
140143
xqoctesc [\\][0-7]{1,3}
141144
xqcat{quote}{whitespace_with_newline}{quote}
142145

146+
/* $foo$ style quotes ("dollar quoting")
147+
* The quoted string starts with $foo$ where "foo" is an optional string
148+
* in the form of an identifier, except that it may not contain "$",
149+
* and extends to the first occurrence of an identical string.
150+
* There is *no* processing of the quoted text.
151+
*/
152+
dolq_start [A-Za-z\200-\377_]
153+
dolq_cont [A-Za-z\200-\377_0-9]
154+
dolqdelim\$({dolq_start}{dolq_cont}*)?\$
155+
dolqinside [^$]+
156+
143157
/* Double quote
144158
* Allows embedded spaces and other special characters into identifiers.
145159
*/
@@ -171,8 +185,7 @@ xdcinside({xdcqq}|{xdcqdq}|{xdcother})
171185
* 2. In the operator rule, check for slash-star within the operator, and
172186
* if found throw it back with yyless(). This handles the plus-slash-star
173187
* problem.
174-
* SQL92-style comments, which start with dash-dash, have similar interactions
175-
* with the operator rule.
188+
* Dash-dash comments have similar interactions with the operator rule.
176189
*/
177190
xcstart\/\*{op_chars}*
178191
xcstop\*+\/
@@ -279,9 +292,10 @@ cppinclude {space}*#{include}{space}*
279292
cppline{space}*#(.*\\{space})+.*
280293

281294
/*
282-
* Quoted strings must allow some special characters such as single-quote
295+
* Dollar quoted strings are totally opaque, and no escaping is done on them.
296+
* Other quoted strings must allow some special characters such as single-quote
283297
*and newline.
284-
* Embedded single-quotes are implemented both in theSQL92-standard
298+
* Embedded single-quotes are implemented both in theSQLstandard
285299
*style of two adjacent single quotes "''" and in the Postgres/Java style
286300
*of escaped-quote "\'".
287301
* Other embedded escaped characters are matched explicitly and the leading
@@ -341,7 +355,7 @@ cppline{space}*#(.*\\{space})+.*
341355
BEGIN(SQL);
342356
if (literalbuf[strspn(literalbuf,"01") +1] !='\0')
343357
mmerror(PARSE_ERROR, ET_ERROR,"invalid bit string input.");
344-
yylval.str = literalbuf;
358+
yylval.str =mm_strdup(literalbuf);
345359
return BCONST;
346360
}
347361

@@ -358,7 +372,7 @@ cppline{space}*#(.*\\{space})+.*
358372
addlitchar('x');
359373
}
360374
<xh>{xhstop}{
361-
yylval.str = literalbuf;
375+
yylval.str =mm_strdup(literalbuf);
362376
return XCONST;
363377
}
364378

@@ -388,8 +402,44 @@ cppline{space}*#(.*\\{space})+.*
388402
<xq>{xqescape} {addlit(yytext, yyleng); }
389403
<xq>{xqoctesc} {addlit(yytext, yyleng); }
390404
<xq>{xqcat}{/* ignore */ }
391-
405+
<xq>. {
406+
/* This is only needed for \ just before EOF */
407+
addlitchar(yytext[0]);
408+
}
392409
<xq><<EOF>>{mmerror(PARSE_ERROR, ET_FATAL,"Unterminated quoted string"); }
410+
<SQL>{dolqdelim} {
411+
token_start = yytext;
412+
dolqstart =mm_strdup(yytext);
413+
BEGIN(xdolq);
414+
startlit();
415+
}
416+
<xdolq>{dolqdelim} {
417+
if (strcmp(yytext, dolqstart) ==0)
418+
{
419+
free(dolqstart);
420+
BEGIN(SQL);
421+
yylval.str =mm_strdup(literalbuf);
422+
return SCONST;
423+
}
424+
else
425+
{
426+
/*
427+
* When we fail to match $...$ to dolqstart, transfer
428+
* the $... part to the output, but put back the final
429+
* $ for rescanning. Consider $delim$...$junk$delim$
430+
*/
431+
addlit(yytext, yyleng-1);
432+
yyless(yyleng-1);
433+
}
434+
}
435+
<xdolq>{dolqinside} {
436+
addlit(yytext, yyleng);
437+
}
438+
<xdolq>.{
439+
/* This is only needed for $ inside the quoted text */
440+
addlitchar(yytext[0]);
441+
}
442+
<xdolq><<EOF>> {yyerror("unterminated dollar-quoted string"); }
393443

394444
<SQL>{xdstart}{
395445
state_before = YYSTATE;
@@ -400,6 +450,7 @@ cppline{space}*#(.*\\{space})+.*
400450
BEGIN(state_before);
401451
if (literallen ==0)
402452
mmerror(PARSE_ERROR, ET_ERROR,"zero-length delimited identifier");
453+
/* The backend will truncate the idnetifier here. We do not as it does not change the result. */
403454
yylval.str =mm_strdup(literalbuf);
404455
return CSTRING;
405456
}
@@ -459,12 +510,12 @@ cppline{space}*#(.*\\{space})+.*
459510
nchars = slashstar - yytext;
460511

461512
/*
462-
* ForSQL92 compatibility, '+' and '-' cannot be the
513+
* ForSQL compatibility, '+' and '-' cannot be the
463514
* last char of a multi-char operator unless the operator
464-
* contains chars that are not inSQL92 operators.
515+
* contains chars that are not inSQL operators.
465516
* The idea is to lex '=-' as two operators, but not
466517
* to forbid operator names like '?-' that could not be
467-
* sequences ofSQL92 operators.
518+
* sequences ofSQL operators.
468519
*/
469520
while (nchars >1 &&
470521
(yytext[nchars-1] =='+' ||

‎src/interfaces/ecpg/preproc/preproc.y‎

Lines changed: 52 additions & 37 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/preproc.y,v 1.278 2004/04/29 14:08:10 meskes Exp $*/
1+
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/preproc.y,v 1.279 2004/05/05 15:03:04 meskes Exp $*/
22

33
/* Copyright comment*/
44
%{
@@ -211,7 +211,7 @@ adjust_informix(struct arguments *list)
211211

212212
if (atoi(ptr->variable->type->size) >1)
213213
{
214-
ptr->variable =new_variable(cat_str(4,make_str("("),mm_strdup(ECPGtype_name(ptr->variable->type->type)),make_str(" *)(ECPG_informix_get_var("),mm_strdup(temp)),ECPGmake_simple_type(ptr->variable->type->type, ptr->variable->type->size),0);
214+
ptr->variable =new_variable(cat_str(4,make_str("("),mm_strdup(ECPGtype_name(ptr->variable->type->u.element->type)),make_str(" *)(ECPG_informix_get_var("),mm_strdup(temp)),ECPGmake_array_type(ECPGmake_simple_type(ptr->variable->type->u.element->type,make_str("1")), ptr->variable->type->size),0);
215215
sprintf(temp,"%d, (", ecpg_informix_var++);
216216
}
217217
else
@@ -442,7 +442,7 @@ add_additional_variables(char *name, bool insert)
442442
%type<str>TableConstraintOptTableElementListXconstopt_transaction
443443
%type<str>ConstraintElemkey_actionsColQualListtype_name
444444
%type<str>target_listtarget_elupdate_target_listalias_clause
445-
%type<str>update_target_elqualified_namedatabase_name
445+
%type<str>update_target_elqualified_namedatabase_namealter_using
446446
%type<str>access_methodattr_nameindex_namenamefunc_name
447447
%type<str>file_nameAexprConstc_exprConstTypenamevar_list
448448
%type<str>a_exprb_exprTruncateStmtCommentStmtOnCommitOptionopt_by
@@ -464,15 +464,15 @@ add_additional_variables(char *name, bool insert)
464464
%type<str>copy_delimiterListenStmtCopyStmtcopy_file_nameopt_binary
465465
%type<str>FetchStmtfrom_inCreateOpClassStmtlike_including_defaults
466466
%type<str>ClosePortalStmtDropStmtVacuumStmtAnalyzeStmtopt_verbose
467-
%type<str>opt_fullfunc_argOptWithOidsopt_freeze
467+
%type<str>opt_fullfunc_argOptWithOidsopt_freezealter_table_cmd
468468
%type<str>analyze_keywordopt_name_listExplainStmtindex_params
469-
%type<str>index_elemopt_classaccess_method_clause
469+
%type<str>index_elemopt_classaccess_method_clausealter_table_cmds
470470
%type<str>index_opt_uniqueIndexStmtfunc_returnConstInterval
471471
%type<str>func_args_listfunc_argsopt_withdef_argoverlay_placing
472472
%type<str>def_elemdef_listdefinitionDefineStmtselect_with_parens
473473
%type<str>opt_insteadeventRuleActionListopt_usingCreateAssertStmt
474474
%type<str>RuleActionStmtOrEmptyRuleActionMultifunc_asreindex_type
475-
%type<str>RuleStmtopt_columnopt_nameoper_argtypesNumConst
475+
%type<str>RuleStmtopt_columnoper_argtypesNumConst
476476
%type<str>MathOpRemoveFuncStmtaggr_argtypefor_update_clause
477477
%type<str>RemoveAggrStmtopt_proceduralselect_no_parensCreateCastStmt
478478
%type<str>RemoveOperStmtRenameStmtall_Opopt_Trustedopt_lancompiler
@@ -1140,45 +1140,58 @@ CheckPointStmt: CHECKPOINT { $$= make_str("checkpoint"); }
11401140
*****************************************************************************/
11411141

11421142
AlterTableStmt:
1143+
ALTERTABLErelation_expralter_table_cmds
1144+
{$$ = cat_str(3, make_str("alter table"),$3,$4); }
1145+
;
1146+
1147+
alter_table_cmds:
1148+
alter_table_cmd {$$ =$1; }
1149+
|alter_table_cmds','alter_table_cmd{$$ = cat_str(3,$1, make_str(","),$3); }
1150+
;
1151+
1152+
alter_table_cmd:
1153+
ADDopt_columncolumnDef
11431154
/* ALTER TABLE <relation> ADD [COLUMN] <coldef>*/
1144-
ALTERTABLErelation_exprADDopt_columncolumnDef
1145-
{$$ = cat_str(5, make_str("alter table"),$3, make_str("add"),$5,$6); }
1155+
{$$ = cat_str(3, make_str("add"),$2,$3); }
11461156
/* ALTER TABLE <relation> ALTER [COLUMN] <colname> {SET DEFAULT <expr>|DROP DEFAULT}*/
1147-
|ALTERTABLErelation_exprALTERopt_columnColIdalter_column_default
1148-
{$$ = cat_str(6, make_str("alter table"),$3, make_str("alter"),$5,$6,$7); }
1157+
|ALTERopt_columnColIdalter_column_default
1158+
{$$ = cat_str(4, make_str("alter"),$2,$3,$4); }
11491159
/* ALTER TABLE <relation> ALTER [COLUMN] <colname> DROP NOT NULL*/
1150-
|ALTERTABLErelation_exprALTERopt_columnColIdDROPNOTNULL_P
1151-
{$$ = cat_str(6, make_str("alter table"),$3, make_str("alter"),$5,$6, make_str("drop not null")); }
1160+
|ALTERopt_columnColIdDROPNOTNULL_P
1161+
{$$ = cat_str(4, make_str("alter"),$2,$3, make_str("drop not null")); }
11521162
/* ALTER TABLE <relation> ALTER [COLUMN] <colname> SET NOT NULL*/
1153-
|ALTERTABLErelation_exprALTERopt_columnColIdSETNOTNULL_P
1154-
{$$ = cat_str(6, make_str("alter table"),$3, make_str("alter"),$5,$6, make_str("set not null")); }
1163+
|ALTERopt_columnColIdSETNOTNULL_P
1164+
{$$ = cat_str(4, make_str("alter"),$2,$3, make_str("set not null")); }
11551165
/* ALTER TABLE <relation> ALTER [COLUMN] <colname> SET STATISTICS <IntegerOnly>*/
1156-
|ALTERTABLErelation_exprALTERopt_columnColIdSETSTATISTICSPosIntConst
1157-
{$$ = cat_str(7, make_str("alter table"),$3, make_str("alter"),$5,$6,make_str("set statistics"),$9); }
1166+
|ALTERopt_columnColIdSETSTATISTICSPosIntConst
1167+
{$$ = cat_str(5, make_str("alter"),$2,$3,make_str("set statistics"),$6); }
11581168
/* ALTER TABLE <relation> ALTER [COLUMN] <colname> SET STORAGE <storagemode>*/
1159-
|ALTERTABLErelation_exprALTERopt_columnColIdSETSTORAGEColId
1160-
{$$ = cat_str(7, make_str("alter table"),$3, make_str("alter"),$5,$6,make_str("set storage"),$9); }
1169+
|ALTERopt_columnColIdSETSTORAGEColId
1170+
{$$ = cat_str(5, make_str("alter"),$2,$3,make_str("set storage"),$6); }
11611171
/* ALTER TABLE <relation> DROP [COLUMN] <colname> {RESTRICT|CASCADE}*/
1162-
|ALTERTABLErelation_exprDROPopt_columnColIdopt_drop_behavior
1163-
{$$ = cat_str(6, make_str("alter table"),$3, make_str("drop"),$5,$6,$7); }
1172+
|DROPopt_columnColIdopt_drop_behavior
1173+
{$$ = cat_str(4, make_str("drop"),$2,$3,$4); }
1174+
/* ALTER TABLE <relation> ALTER [COLUMN] <colname> TYPE <typename> [ USING <expression> ]*/
1175+
|ALTERopt_columnColIdTYPE_PTypenamealter_using
1176+
{$$ = cat_str(6, make_str("alter"),$2,$3, make_str("type"),$5,$6); }
11641177
/* ALTER TABLE <relation> ADD CONSTRAINT ...*/
1165-
|ALTERTABLErelation_exprADDTableConstraint
1166-
{$$ = cat_str(4, make_str("alter table"),$3, make_str("add"),$5); }
1178+
|ADDTableConstraint
1179+
{$$ = cat_str(2, make_str("add"),$2); }
11671180
/* ALTER TABLE <relation> DROP CONSTRAINT ...*/
1168-
|ALTERTABLErelation_exprDROPCONSTRAINTnameopt_drop_behavior
1169-
{$$ = cat_str(5, make_str("alter table"),$3, make_str("drop constraint"),$6,$7); }
1181+
|DROPCONSTRAINTnameopt_drop_behavior
1182+
{$$ = cat_str(3, make_str("drop constraint"),$3,$4); }
11701183
/* ALTER TABLE <relation> SET WITHOUT OIDS*/
1171-
|ALTERTABLErelation_exprSETWITHOUTOIDS
1172-
{$$ =cat_str(3,make_str("alter table"),$3, make_str("set without oids")); }
1184+
|SETWITHOUTOIDS
1185+
{$$ = make_str("set without oids"); }
11731186
/* ALTER TABLE <name> CREATE TOAST TABLE*/
1174-
|ALTERTABLEqualified_nameCREATETOASTTABLE
1175-
{$$ =cat_str(3,make_str("alter table"),$3, make_str("create toast table")); }
1187+
|CREATETOASTTABLE
1188+
{$$ = make_str("create toast table"); }
11761189
/* ALTER TABLE <name> OWNER TO UserId*/
1177-
|ALTERTABLEqualified_nameOWNERTOUserId
1178-
{$$ = cat_str(4, make_str("alter table"),$3, make_str("owner to"),$6); }
1190+
|OWNERTOUserId
1191+
{$$ = cat_str(2, make_str("owner to"),$3); }
11791192
/* ALTER TABLE <name> CLUSTER ON <indexname>*/
1180-
|ALTERTABLEqualified_nameCLUSTERONname
1181-
{$$ = cat_str(4, make_str("alter table"),$3, make_str("cluster on"),$6); }
1193+
|CLUSTERONname
1194+
{$$ = cat_str(2, make_str("cluster on"),$3); }
11821195
;
11831196

11841197
alter_column_default:
@@ -1191,6 +1204,10 @@ opt_drop_behavior: CASCADE { $$ = make_str("cascade"); }
11911204
|/* EMPTY*/ {$$ = EMPTY; }
11921205
;
11931206

1207+
alter_using:USINGa_expr{$$ = cat2_str(make_str("using"),$2); }
1208+
|/* EMPTY*/ {$$ = EMPTY; }
1209+
;
1210+
11941211
/*****************************************************************************
11951212
*
11961213
*QUERY :
@@ -2310,18 +2327,16 @@ RenameStmt: ALTER AGGREGATE func_name '(' aggr_argtype ')' RENAME TO name
23102327
{$$ = cat_str(6, make_str("alter operator class"),$4, make_str("using"),$6, make_str("rename to"),$9); }
23112328
|ALTERSCHEMAnameRENAMETOname
23122329
{$$ = cat_str(4, make_str("alter schema"),$3, make_str("rename to"),$6); }
2313-
|ALTERTABLErelation_exprRENAMEopt_columnopt_nameTOname
2330+
|ALTERTABLErelation_exprRENAMETOname
2331+
{$$ = cat_str(4, make_str("alter table"),$3, make_str("rename to"),$6); }
2332+
|ALTERTABLErelation_exprRENAMEopt_columnnameTOname
23142333
{$$ = cat_str(7, make_str("alter table"),$3, make_str("rename"),$5,$6, make_str("to"),$8); }
23152334
|ALTERTRIGGERnameONrelation_exprRENAMETOname
23162335
{$$ = cat_str(6, make_str("alter trigger"),$3, make_str("on"),$5, make_str("rename to"),$8); }
23172336
|ALTERUSERUserIdRENAMETOUserId
23182337
{$$ = cat_str(4, make_str("alter user"),$3, make_str("rename to"),$6); }
23192338
;
23202339

2321-
opt_name:name{$$ =$1; }
2322-
|/*EMPTY*/{$$ = EMPTY; }
2323-
;
2324-
23252340
opt_column:COLUMN{$$ = make_str("column"); }
23262341
|/*EMPTY*/{$$ = EMPTY; }
23272342
;

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