Exposed protocol_version and server_version

ChangeLog

@@ -1,5 +1,8 @@
 2009-04-19  Federico Di Gregorio  <fog@initd.org>
 
+	* psycopg/connection.*: exposed protocol_version and
+	server_version attributes on the connection object.
+
 	* lib/extras.py: patch from Marko Kreen to implement missing dict
 	methods in DictRow.
 

psycopg/connection.h

@@ -63,6 +63,7 @@ typedef struct {
     long int mark;            /* number of commits/rollbacks done so far */
     int status;               /* status of the connection */
     int protocol;             /* protocol version */
+    int server_version;       /* server version */
 
     PGconn *pgconn;         /* the postgresql connection */
 

psycopg/connection_int.c

@@ -98,7 +98,7 @@ conn_notice_clean(connectionObject *self)
     while (notice != NULL) {
         tmp = notice;
         notice = notice->next;
-        free(tmp->message);
+        free((void*)tmp->message);
         free(tmp);
     }
     
@@ -250,6 +250,8 @@ conn_connect(connectionObject *self)
 #endif
     Dprintf("conn_connect: using protocol %d", self->protocol);
     
+    self->server_version = (int)PQserverVersion(pgconn);
+
     self->pgconn = pgconn;
     return 0;
 }

psycopg/connection_type.c

@@ -383,6 +383,12 @@ static struct PyMemberDef connectionObject_members[] = {
         "A set of typecasters to convert textual values."},
     {"binary_types", T_OBJECT, offsetof(connectionObject, binary_types), RO,
         "A set of typecasters to convert binary values."},
+    {"protocol_version", T_INT,
+        offsetof(connectionObject, protocol), RO,
+        "Protocol version (2 or 3) used for this connection."},
+    {"server_version", T_INT,
+        offsetof(connectionObject, server_version), RO,
+        "Server version."},
 #endif
     {NULL}
 };