memset(&stmt, 0, sizeof stmt);
stmt.lineno = lineno;
+ /* desperate try to guess something sensible */
+ stmt.connection = ecpg_get_connection(NULL);
+ if (stmt.connection == NULL)
+ {
+ ecpg_raise(lineno, ECPG_NO_CONN, ECPG_SQLSTATE_CONNECTION_DOES_NOT_EXIST,
+ ecpg_gettext("NULL"));
+ va_end(args);
+ return false;
+ }
+
/* Make sure we do NOT honor the locale for numeric input */
/* since the database gives the standard decimal point */
/* (see comments in execute.c) */
setlocale(LC_NUMERIC, "C");
#endif
- /* desperate try to guess something sensible */
- stmt.connection = ecpg_get_connection(NULL);
ecpg_store_result(ECPGresult, index, &stmt, &data_var);
#ifdef HAVE_USELOCALE
bool
ECPGdeallocate_all(int lineno, int compat, const char *connection_name)
{
- return ecpg_deallocate_all_conn(lineno, compat,
- ecpg_get_connection(connection_name));
+ struct connection *con = ecpg_get_connection(connection_name);
+
+ if (!ecpg_init(con, connection_name, lineno))
+ return false;
+
+ return ecpg_deallocate_all_conn(lineno, compat, con);
}
char *
}
/* return the prepared statement */
-/* lineno is not used here, but kept in to not break API */
char *
ECPGprepared_statement(const char *connection_name, const char *name, int lineno)
{
- (void) lineno; /* keep the compiler quiet */
+ struct connection *con = ecpg_get_connection(connection_name);
+
+ if (!ecpg_init(con, connection_name, lineno))
+ return NULL;
- return ecpg_prepared(name, ecpg_get_connection(connection_name));
+ return ecpg_prepared(name, con);
}
/*
con = ecpg_get_connection(entry->connection);
- /* free the 'prepared_statement' list entry */
- this = ecpg_find_prepared_statement(entry->stmtID, con, &prev);
- if (this && !deallocate_one(lineno, compat, con, prev, this))
- return -1;
+ /*
+ * If the connection is gone, the prepared_statement list it owned is
+ * already unreachable, so just skip that cleanup. We must still clear
+ * the cache slot below so it can be reused.
+ */
+ if (con)
+ {
+ /* free the 'prepared_statement' list entry */
+ this = ecpg_find_prepared_statement(entry->stmtID, con, &prev);
+ if (this && !deallocate_one(lineno, compat, con, prev, this))
+ return -1;
+ }
entry->stmtID[0] = '\0';
/test4.c
/test5
/test5.c
+/test6
+/test6.c
test2 test2.c \
test3 test3.c \
test4 test4.c \
- test5 test5.c
+ test5 test5.c \
+ test6 test6.c
all: $(TESTS)
'test3',
'test4',
'test5',
+ 'test6',
]
foreach pgc_file : pgc_files
--- /dev/null
+/*
+ * This test verifies that ecpg functions properly handle NULL connections
+ * (i.e., when a connection name doesn't exist or has been disconnected).
+ * Before the fix, these operations would cause a segmentation fault.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+exec sql include ../regression;
+
+int
+main(void)
+{
+exec sql begin declare section;
+ int val1output = 2;
+ int val1 = 1;
+ char val2[6] = "data1";
+ char *stmt1 = "SELECT * from test1 where a = $1 and b = $2";
+exec sql end declare section;
+
+ ECPGdebug(1, stderr);
+
+ /* Connect to the database */
+ exec sql connect to REGRESSDB1 as myconn;
+
+ /* Test 1: Try to get descriptor on a disconnected connection */
+ printf("Test 1: Try to get descriptor on a disconnected connection\n");
+ exec sql create table test1 (a int, b text);
+ exec sql insert into test1 (a,b) values (1, 'data1');
+
+ exec sql allocate descriptor indesc;
+ exec sql allocate descriptor outdesc;
+
+ exec sql prepare foo2 from :stmt1;
+
+ exec sql set descriptor indesc value 1 DATA = :val1;
+ exec sql set descriptor indesc value 2 DATA = :val2;
+
+ exec sql execute foo2 using sql descriptor indesc into sql descriptor outdesc;
+
+ exec sql rollback;
+ exec sql disconnect;
+ exec sql get descriptor outdesc value 1 :val1output = DATA;
+ printf("sqlca.sqlcode = %ld\n", sqlca.sqlcode);
+
+ /* Test 2: Try to deallocate all on a non-existent connection */
+ printf("Test 2: deallocate all with non-existent connection\n");
+ exec sql at nonexistent deallocate all;
+ printf("sqlca.sqlcode = %ld\n", sqlca.sqlcode);
+
+ /* Test 3: deallocate on disconnected connection */
+ printf("Test 3: deallocate all on disconnected connection\n");
+ exec sql deallocate all;
+ printf("sqlca.sqlcode = %ld\n", sqlca.sqlcode);
+
+ /* Test 4: Use prepared statement from non-existent connection */
+ printf("Test 4: Use prepared statement from non-existent connection\n");
+ exec sql at nonexistent prepare stmt1 FROM "SELECT 1";
+ exec sql at nonexistent declare cur1 cursor for stmt1;
+ exec sql at nonexistent open cur1;
+ printf("sqlca.sqlcode = %ld\n", sqlca.sqlcode);
+
+ printf("All tests completed !\n");
+
+ return 0;
+}
test: connect/test3
test: connect/test4
test: connect/test5
+test: connect/test6
test: pgtypeslib/dt_test
test: pgtypeslib/dt_test2
test: pgtypeslib/num_test
--- /dev/null
+/* Processed by ecpg (regression mode) */
+/* These include files are added by the preprocessor */
+#include <ecpglib.h>
+#include <ecpgerrno.h>
+#include <sqlca.h>
+/* End of automatic include section */
+#define ECPGdebug(X,Y) ECPGdebug((X)+100,(Y))
+
+#line 1 "test6.pgc"
+/*
+ * This test verifies that ecpg functions properly handle NULL connections
+ * (i.e., when a connection name doesn't exist or has been disconnected).
+ * Before the fix, these operations would cause a segmentation fault.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+
+#line 1 "regression.h"
+
+
+
+
+
+
+#line 11 "test6.pgc"
+
+
+int
+main(void)
+{
+/* exec sql begin declare section */
+
+
+
+
+
+#line 17 "test6.pgc"
+ int val1output = 2 ;
+
+#line 18 "test6.pgc"
+ int val1 = 1 ;
+
+#line 19 "test6.pgc"
+ char val2 [ 6 ] = "data1" ;
+
+#line 20 "test6.pgc"
+ char * stmt1 = "SELECT * from test1 where a = $1 and b = $2" ;
+/* exec sql end declare section */
+#line 21 "test6.pgc"
+
+
+ ECPGdebug(1, stderr);
+
+ /* Connect to the database */
+ { ECPGconnect(__LINE__, 0, "ecpg1_regression" , NULL, NULL , "myconn", 0); }
+#line 26 "test6.pgc"
+
+
+ /* Test 1: Try to get descriptor on a disconnected connection */
+ printf("Test 1: Try to get descriptor on a disconnected connection\n");
+ { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "create table test1 ( a int , b text )", ECPGt_EOIT, ECPGt_EORT);}
+#line 30 "test6.pgc"
+
+ { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into test1 ( a , b ) values ( 1 , 'data1' )", ECPGt_EOIT, ECPGt_EORT);}
+#line 31 "test6.pgc"
+
+
+ ECPGallocate_desc(__LINE__, "indesc");
+#line 33 "test6.pgc"
+
+ ECPGallocate_desc(__LINE__, "outdesc");
+#line 34 "test6.pgc"
+
+
+ { ECPGprepare(__LINE__, NULL, 0, "foo2", stmt1);}
+#line 36 "test6.pgc"
+
+
+ { ECPGset_desc(__LINE__, "indesc", 1,ECPGd_data,
+ ECPGt_int,&(val1),(long)1,(long)1,sizeof(int), ECPGd_EODT);
+}
+#line 38 "test6.pgc"
+
+ { ECPGset_desc(__LINE__, "indesc", 2,ECPGd_data,
+ ECPGt_char,(val2),(long)6,(long)1,(6)*sizeof(char), ECPGd_EODT);
+}
+#line 39 "test6.pgc"
+
+
+ { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_execute, "foo2",
+ ECPGt_descriptor, "indesc", 1L, 1L, 1L,
+ ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT,
+ ECPGt_descriptor, "outdesc", 1L, 1L, 1L,
+ ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
+#line 41 "test6.pgc"
+
+
+ { ECPGtrans(__LINE__, NULL, "rollback");}
+#line 43 "test6.pgc"
+
+ { ECPGdisconnect(__LINE__, "CURRENT");}
+#line 44 "test6.pgc"
+
+ { ECPGget_desc(__LINE__, "outdesc", 1,ECPGd_data,
+ ECPGt_int,&(val1output),(long)1,(long)1,sizeof(int), ECPGd_EODT);
+}
+#line 45 "test6.pgc"
+
+ printf("sqlca.sqlcode = %ld\n", sqlca.sqlcode);
+
+ /* Test 2: Try to deallocate all on a non-existent connection */
+ printf("Test 2: deallocate all with non-existent connection\n");
+ { ECPGdeallocate_all(__LINE__, 0, "nonexistent");}
+#line 50 "test6.pgc"
+
+ printf("sqlca.sqlcode = %ld\n", sqlca.sqlcode);
+
+ /* Test 3: deallocate on disconnected connection */
+ printf("Test 3: deallocate all on disconnected connection\n");
+ { ECPGdeallocate_all(__LINE__, 0, NULL);}
+#line 55 "test6.pgc"
+
+ printf("sqlca.sqlcode = %ld\n", sqlca.sqlcode);
+
+ /* Test 4: Use prepared statement from non-existent connection */
+ printf("Test 4: Use prepared statement from non-existent connection\n");
+ { ECPGprepare(__LINE__, "nonexistent", 0, "stmt1", "SELECT 1");}
+#line 60 "test6.pgc"
+
+ /* declare cur1 cursor for $1 */
+#line 61 "test6.pgc"
+
+ { ECPGdo(__LINE__, 0, 1, "nonexistent", 0, ECPGst_normal, "declare cur1 cursor for $1",
+ ECPGt_char_variable,(ECPGprepared_statement("nonexistent", "stmt1", __LINE__)),(long)1,(long)1,(1)*sizeof(char),
+ ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
+#line 62 "test6.pgc"
+
+ printf("sqlca.sqlcode = %ld\n", sqlca.sqlcode);
+
+ printf("All tests completed !\n");
+
+ return 0;
+}
--- /dev/null
+[NO_PID]: ECPGdebug: set to 1
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ECPGconnect: opening database ecpg1_regression on <DEFAULT> port <DEFAULT>
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_execute on line 30: query: create table test1 ( a int , b text ); with 0 parameter(s) on connection myconn
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_execute on line 30: using PQexec
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_process_output on line 30: OK: CREATE TABLE
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_execute on line 31: query: insert into test1 ( a , b ) values ( 1 , 'data1' ); with 0 parameter(s) on connection myconn
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_execute on line 31: using PQexec
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_process_output on line 31: OK: INSERT 0 1
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: prepare_common on line 36: name foo2; query: "SELECT * from test1 where a = $1 and b = $2"
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_execute on line 41: query: SELECT * from test1 where a = $1 and b = $2; with 2 parameter(s) on connection myconn
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_execute on line 41: using PQexecPrepared for "SELECT * from test1 where a = $1 and b = $2"
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_free_params on line 41: parameter 1 = 1
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_free_params on line 41: parameter 2 = data1
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_process_output on line 41: correctly got 1 tuples with 2 fields
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_process_output on line 41: putting result (1 tuples) into descriptor outdesc
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ECPGtrans on line 43: action "rollback"; connection "myconn"
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: deallocate_one on line 0: name foo2
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_finish: connection myconn closed
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ECPGget_desc: reading items for tuple 1
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: raising sqlcode -220 on line 45: connection "NULL" does not exist on line 45
+[NO_PID]: sqlca: code: -220, state: 08003
+[NO_PID]: raising sqlcode -220 on line 50: connection "nonexistent" does not exist on line 50
+[NO_PID]: sqlca: code: -220, state: 08003
+[NO_PID]: raising sqlcode -220 on line 55: connection "NULL" does not exist on line 55
+[NO_PID]: sqlca: code: -220, state: 08003
+[NO_PID]: raising sqlcode -220 on line 60: connection "nonexistent" does not exist on line 60
+[NO_PID]: sqlca: code: -220, state: 08003
+[NO_PID]: raising sqlcode -220 on line 63: connection "nonexistent" does not exist on line 63
+[NO_PID]: sqlca: code: -220, state: 08003
+[NO_PID]: raising sqlcode -220 on line 62: connection "nonexistent" does not exist on line 62
+[NO_PID]: sqlca: code: -220, state: 08003
--- /dev/null
+Test 1: Try to get descriptor on a disconnected connection
+sqlca.sqlcode = -220
+Test 2: deallocate all with non-existent connection
+sqlca.sqlcode = -220
+Test 3: deallocate all on disconnected connection
+sqlca.sqlcode = -220
+Test 4: Use prepared statement from non-existent connection
+sqlca.sqlcode = -220
+All tests completed !