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Commitf9453f4

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committed
Accept CREATE DATABASE WITH ENCODING 'SQL_ASCII' even when MULTIBYTE
support is not present. This allows a non-MB server to load a pg_dumpallscript produced by an MB-enabled server, so long as only ASCII encodingwas used.
1 parent53f300d commitf9453f4

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1 file changed

+48
-65
lines changed

1 file changed

+48
-65
lines changed

‎src/backend/parser/gram.y‎

Lines changed: 48 additions & 65 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 2.197 2000/10/22 23:32:48 tgl Exp $
14+
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.198 2000/10/25 18:56:16 tgl Exp $
1515
*
1616
* HISTORY
1717
* AUTHORDATEMAJOR EVENT
@@ -55,6 +55,9 @@
5555
#ifdef MULTIBYTE
5656
#include"miscadmin.h"
5757
#include"mb/pg_wchar.h"
58+
#else
59+
#defineGetTemplateEncoding()0/* SQL_ASCII*/
60+
#defineGetTemplateEncodingName()"SQL_ASCII"
5861
#endif
5962

6063
extern List *parsetree;/* final parse result is delivered here*/
@@ -677,11 +680,7 @@ CreateSchemaStmt: CREATE SCHEMA UserId
677680
CreatedbStmt *n = makeNode(CreatedbStmt);
678681
n->dbname =$3;
679682
n->dbpath =NULL;
680-
#ifdef MULTIBYTE
681683
n->encoding = GetTemplateEncoding();
682-
#else
683-
n->encoding =0;
684-
#endif
685684
$$ = (Node *)n;
686685
}
687686
;
@@ -788,14 +787,10 @@ VariableSetStmt: SET ColId TO var_value
788787
}
789788
|SETNAMESopt_encoding
790789
{
791-
#ifdef MULTIBYTE
792790
VariableSetStmt *n = makeNode(VariableSetStmt);
793791
n->name ="client_encoding";
794792
n->value =$3;
795793
$$ = (Node *) n;
796-
#else
797-
elog(ERROR,"SET NAMES is not supported");
798-
#endif
799794
}
800795
;
801796

@@ -813,47 +808,47 @@ var_value: opt_boolean{ $$ = $1; }
813808
}
814809
|'-'ICONST
815810
{
816-
charbuf[64];
817-
sprintf(buf,"%d", -($2));
818-
$$ = pstrdup(buf);
819-
}
811+
charbuf[64];
812+
sprintf(buf,"%d", -($2));
813+
$$ = pstrdup(buf);
814+
}
820815
|FCONST{$$ =$1; }
821816
|'-'FCONST
822817
{
823-
char * s = palloc(strlen($2)+2);
824-
s[0] ='-';
825-
strcpy(s +1, $2);
826-
$$ = s;
827-
}
818+
char * s = palloc(strlen($2)+2);
819+
s[0] ='-';
820+
strcpy(s +1, $2);
821+
$$ = s;
822+
}
828823
|name_list
829824
{
830-
List *n;
831-
int slen =0;
832-
char *result;
825+
List *n;
826+
int slen =0;
827+
char *result;
833828

834-
/* List of words? Then concatenate together*/
835-
if ($1 == NIL)
836-
elog(ERROR,"SET must have at least one argument");
829+
/* List of words? Then concatenate together*/
830+
if ($1 == NIL)
831+
elog(ERROR,"SET must have at least one argument");
837832

838-
foreach (n, $1)
839-
{
840-
Value *p = (Value *)lfirst(n);
841-
Assert(IsA(p, String));
842-
/* keep track of room for string and trailing comma*/
843-
slen += (strlen(p->val.str) +1);
844-
}
845-
result = palloc(slen +1);
846-
*result ='\0';
847-
foreach (n, $1)
848-
{
849-
Value *p = (Value *)lfirst(n);
850-
strcat(result, p->val.str);
851-
strcat(result,",");
833+
foreach (n, $1)
834+
{
835+
Value *p = (Value *)lfirst(n);
836+
Assert(IsA(p, String));
837+
/* keep track of room for string and trailing comma*/
838+
slen += (strlen(p->val.str) +1);
839+
}
840+
result = palloc(slen +1);
841+
*result ='\0';
842+
foreach (n, $1)
843+
{
844+
Value *p = (Value *)lfirst(n);
845+
strcat(result, p->val.str);
846+
strcat(result,",");
847+
}
848+
/* remove the trailing comma from the last element*/
849+
*(result+strlen(result)-1) ='\0';
850+
$$ = result;
852851
}
853-
/* remove the trailing comma from the last element*/
854-
*(result+strlen(result)-1) ='\0';
855-
$$ = result;
856-
}
857852
|DEFAULT{$$ =NULL; }
858853
;
859854

@@ -2895,27 +2890,22 @@ LoadStmt: LOAD file_name
28952890

28962891
CreatedbStmt:CREATEDATABASEdatabase_nameWITHcreatedb_opt_locationcreatedb_opt_encoding
28972892
{
2898-
CreatedbStmt *n;
2893+
CreatedbStmt *n = makeNode(CreatedbStmt);
28992894

29002895
if ($5 ==NULL &&$6 == -1)
29012896
elog(ERROR,"CREATE DATABASE WITH requires at least one option");
29022897

2903-
n = makeNode(CreatedbStmt);
29042898
n->dbname =$3;
29052899
n->dbpath =$5;
2906-
n->encoding =$6;
2900+
n->encoding =($6 == -1) ? GetTemplateEncoding() :$6;
29072901
$$ = (Node *)n;
29082902
}
29092903
|CREATEDATABASEdatabase_name
29102904
{
29112905
CreatedbStmt *n = makeNode(CreatedbStmt);
29122906
n->dbname =$3;
29132907
n->dbpath =NULL;
2914-
#ifdef MULTIBYTE
29152908
n->encoding = GetTemplateEncoding();
2916-
#else
2917-
n->encoding =0;
2918-
#endif
29192909
$$ = (Node *)n;
29202910
}
29212911
;
@@ -2928,40 +2918,33 @@ createdb_opt_location: LOCATION '=' Sconst{ $$ = $3; }
29282918
createdb_opt_encoding:ENCODING'='Sconst
29292919
{
29302920
#ifdef MULTIBYTE
2931-
int i;
2932-
i = pg_char_to_encoding($3);
2933-
if (i == -1)
2921+
$$ = pg_char_to_encoding($3);
2922+
if ($$ == -1)
29342923
elog(ERROR,"%s is not a valid encoding name", $3);
2935-
$$ = i;
29362924
#else
2937-
elog(ERROR,"Multi-byte support is not enabled");
2925+
if (strcasecmp($3, GetTemplateEncodingName()) !=0)
2926+
elog(ERROR,"Multi-byte support is not enabled");
2927+
$$ = GetTemplateEncoding();
29382928
#endif
29392929
}
29402930
|ENCODING'='Iconst
29412931
{
29422932
#ifdef MULTIBYTE
29432933
if (!pg_get_encent_by_encoding($3))
29442934
elog(ERROR,"%d is not a valid encoding code", $3);
2945-
$$ = $3;
29462935
#else
2947-
elog(ERROR,"Multi-byte support is not enabled");
2936+
if ($3 != GetTemplateEncoding())
2937+
elog(ERROR,"Multi-byte support is not enabled");
29482938
#endif
2939+
$$ =$3;
29492940
}
29502941
|ENCODING'='DEFAULT
29512942
{
2952-
#ifdef MULTIBYTE
29532943
$$ = GetTemplateEncoding();
2954-
#else
2955-
$$ =0;
2956-
#endif
29572944
}
29582945
|/*EMPTY*/
29592946
{
2960-
#ifdef MULTIBYTE
2961-
$$ = GetTemplateEncoding();
2962-
#else
2963-
$$=0;
2964-
#endif
2947+
$$ = -1;
29652948
}
29662949
;
29672950

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