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Commitee14711

Browse files
author
Michael Meskes
committed
- Fixed variable handling in AT statement.
 - Fixed bug that caused segfault when given incorrect DB name. - Fixed bug in ecpglib causing indicator to list the size of the variable instead of the size of the data.
1 parent1579046 commitee14711

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5 files changed

+41
-19
lines changed

5 files changed

+41
-19
lines changed

‎src/interfaces/ecpg/ChangeLog‎

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1154,5 +1154,12 @@ Wed Nov 14 11:50:27 CET 2001
11541154
Tue Dec 4 13:30:32 CET 2001
11551155

11561156
- Fixed dumping of structures without indicators.
1157+
1158+
Wed Dec 5 12:27:25 CET 2001
1159+
1160+
- Fixed variable handling in AT statement.
1161+
- Fixed bug that caused segfault when given incorrect DB name.
1162+
- Fixed bug in ecpglib causing indicator to list the size of the
1163+
variable instead of the size of the data.
11571164
- Set ecpg version to 2.9.0.
11581165
- Set library version to 3.3.0.

‎src/interfaces/ecpg/lib/connect.c‎

Lines changed: 5 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/lib/Attic/connect.c,v 1.15 2001/11/14 11:11:49 meskes Exp $ */
1+
/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/lib/Attic/connect.c,v 1.16 2001/12/05 15:32:06 meskes Exp $ */
22

33
#include"postgres_fe.h"
44

@@ -387,6 +387,10 @@ ECPGconnect(int lineno, const char *name, const char *user, const char *passwd,
387387
host=strdup(dbname+offset);
388388

389389
}
390+
else
391+
{
392+
realname=strdup(dbname);
393+
}
390394
}
391395
else
392396
realname=strdup(dbname);

‎src/interfaces/ecpg/lib/data.c‎

Lines changed: 9 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/lib/Attic/data.c,v 1.19 2001/11/14 11:11:49 meskes Exp $ */
1+
/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/lib/Attic/data.c,v 1.20 2001/12/05 15:32:06 meskes Exp $ */
22

33
#include"postgres_fe.h"
44

@@ -277,15 +277,15 @@ ECPGget_data(const PGresult *results, int act_tuple, int act_field, int lineno,
277277
{
278278
caseECPGt_short:
279279
caseECPGt_unsigned_short:
280-
((short*)ind)[act_tuple]=varcharsize;
280+
((short*)ind)[act_tuple]=strlen(pval);
281281
break;
282282
caseECPGt_int:
283283
caseECPGt_unsigned_int:
284-
((int*)ind)[act_tuple]=varcharsize;
284+
((int*)ind)[act_tuple]=strlen(pval);
285285
break;
286286
caseECPGt_long:
287287
caseECPGt_unsigned_long:
288-
((long*)ind)[act_tuple]=varcharsize;
288+
((long*)ind)[act_tuple]=strlen(pval);
289289
break;
290290
default:
291291
break;
@@ -300,28 +300,28 @@ ECPGget_data(const PGresult *results, int act_tuple, int act_field, int lineno,
300300
structECPGgeneric_varchar*variable=
301301
(structECPGgeneric_varchar*) ((long)var+offset*act_tuple);
302302

303+
variable->len=strlen(pval);
303304
if (varcharsize==0)
304-
strncpy(variable->arr,pval,strlen(pval));
305+
strncpy(variable->arr,pval,variable->len);
305306
else
306307
strncpy(variable->arr,pval,varcharsize);
307308

308-
variable->len=strlen(pval);
309309
if (varcharsize>0&&variable->len>varcharsize)
310310
{
311311
/* truncation */
312312
switch (ind_type)
313313
{
314314
caseECPGt_short:
315315
caseECPGt_unsigned_short:
316-
((short*)ind)[act_tuple]=varcharsize;
316+
((short*)ind)[act_tuple]=variable->len;
317317
break;
318318
caseECPGt_int:
319319
caseECPGt_unsigned_int:
320-
((int*)ind)[act_tuple]=varcharsize;
320+
((int*)ind)[act_tuple]=variable->len;
321321
break;
322322
caseECPGt_long:
323323
caseECPGt_unsigned_long:
324-
((long*)ind)[act_tuple]=varcharsize;
324+
((long*)ind)[act_tuple]=variable->len;
325325
break;
326326
default:
327327
break;

‎src/interfaces/ecpg/preproc/preproc.y‎

Lines changed: 17 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -392,7 +392,16 @@ statement: ecpgstart opt_at stmt ';'{ connection = NULL; }
392392
|blockend{ fputs($1, yyout); free($1); }
393393
;
394394

395-
opt_at:ATconnection_target{ connection =$2; };
395+
opt_at:ATconnection_target{
396+
connection =$2;
397+
/*
398+
if we have a variable as connection
399+
target, remove it from the variable
400+
list or else it will be used twice
401+
*/
402+
if (argsinsert !=NULL)
403+
argsinsert =NULL;
404+
};
396405

397406
stmt:AlterSchemaStmt { output_statement($1,0, connection); }
398407
|AlterTableStmt{ output_statement($1,0, connection); }
@@ -3877,6 +3886,13 @@ connection_target: database_name opt_server opt_port
38773886
|db_prefix':'serveropt_port'/'database_nameopt_options
38783887
{
38793888
/* new style: <tcp|unix>:postgresql://server[:port][/dbname]*/
3889+
printf("%s\n", $1);
3890+
if (strncmp($1,"unix:postgresql", strlen("unix:postgresql")) !=0 && strncmp($1,"tcp:postgresql", strlen("tcp:postgresql")) !=0)
3891+
{
3892+
sprintf(errortext,"only protocols 'tcp' and 'unix' and database type 'postgresql' are supported");
3893+
mmerror(ET_ERROR, errortext);
3894+
}
3895+
38803896
if (strncmp($3,"//", strlen("//")) !=0)
38813897
{
38823898
sprintf(errortext,"Expected '://', found '%s'", $3);
@@ -3890,12 +3906,6 @@ connection_target: database_name opt_server opt_port
38903906
sprintf(errortext,"unix domain sockets only work on 'localhost' but not on '%9.9s'", $3 +strlen("//"));
38913907
mmerror(ET_ERROR, errortext);
38923908
}
3893-
3894-
if (strncmp($1,"unix", strlen("unix")) !=0 && strncmp($1,"tcp", strlen("tcp")) !=0)
3895-
{
3896-
sprintf(errortext,"only protocols 'tcp' and 'unix' are supported");
3897-
mmerror(ET_ERROR, errortext);
3898-
}
38993909

39003910
$$ = make3_str(make3_str(make_str("\""),$1, make_str(":")),$3, make3_str(make3_str($4, make_str("/"),$6),$7, make_str("\"")));
39013911
}

‎src/interfaces/ecpg/test/test1.pgc‎

Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -35,6 +35,7 @@ exec sql begin declare section;
3535
char name[AMOUNT][8];
3636
char letter[AMOUNT][1];
3737
char command[128];
38+
char *connection="pm";
3839
exec sql end declare section;
3940
exec sql var name is string(AMOUNT);
4041
char msg[128];
@@ -94,7 +95,7 @@ exec sql end declare section;
9495
exec sql at pm begin transaction;
9596

9697
strcpy(msg, "select");
97-
exec sql selectname, amount, letter into :name, :amount, :letter from "Test";
98+
exec sql select* into :name, :amount, :letter from "Test";
9899

99100
printf("Database: mm\n");
100101
for (i=0, j=sqlca.sqlerrd[2]; i<j; i++)
@@ -113,7 +114,7 @@ exec sql end declare section;
113114
}
114115

115116
strcpy(msg, "select");
116-
exec sql atpm select* into :name, :amount, :letter from "Test";
117+
exec sql at:connection selectname, amount, letter into :name, :amount, :letter from "Test";
117118

118119
printf("Database: pm\n");
119120
for (i=0, j=sqlca.sqlerrd[2]; i<j; i++)

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