Merge buzz.(none):/home/davi/mysql-5.0-runtime

into  buzz.(none):/home/davi/mysql-5.1-runtime

libmysql/libmysql.c

@@ -2467,7 +2467,7 @@ static my_bool execute(MYSQL_STMT *stmt, char *packet, ulong length)
   int4store(buff+5, 1);                         /* iteration count */
 
   res= test(cli_advanced_command(mysql, COM_STMT_EXECUTE, buff, sizeof(buff),
-                                 (uchar*) packet, length, 1, NULL) ||
+                                 (uchar*) packet, length, 1, stmt) ||
             (*mysql->methods->read_query_result)(mysql));
   stmt->affected_rows= mysql->affected_rows;
   stmt->server_status= mysql->server_status;
@@ -2683,7 +2683,7 @@ stmt_read_row_from_cursor(MYSQL_STMT *stmt, unsigned char **row)
     int4store(buff + 4, stmt->prefetch_rows); /* number of rows to fetch */
     if ((*mysql->methods->advanced_command)(mysql, COM_STMT_FETCH,
                                             buff, sizeof(buff), (uchar*) 0, 0,
-                                            1, NULL))
+                                            1, stmt))
     {
       set_stmt_errmsg(stmt, net);
       return 1;
@@ -3350,7 +3350,7 @@ mysql_stmt_send_long_data(MYSQL_STMT *stmt, uint param_number,
     */
     if ((*mysql->methods->advanced_command)(mysql, COM_STMT_SEND_LONG_DATA,
                                             buff, sizeof(buff), (uchar*) data,
-                                            length, 1, NULL))
+                                            length, 1, stmt))
     {
       set_stmt_errmsg(stmt, &mysql->net);
       DBUG_RETURN(1);
@@ -4748,6 +4748,13 @@ int STDCALL mysql_stmt_store_result(MYSQL_STMT *stmt)
   MYSQL_DATA *result= &stmt->result;
   DBUG_ENTER("mysql_stmt_store_result");
 
+  if (!mysql)
+  {
+    /* mysql can be reset in mysql_close called from mysql_reconnect */
+    set_stmt_error(stmt, CR_SERVER_LOST, unknown_sqlstate);
+    DBUG_RETURN(1);
+  }
+
   mysql= mysql->last_used_con;
 
   if (!stmt->field_count)
@@ -4773,7 +4780,7 @@ int STDCALL mysql_stmt_store_result(MYSQL_STMT *stmt)
     int4store(buff, stmt->stmt_id);
     int4store(buff + 4, (int)~0); /* number of rows to fetch */
     if (cli_advanced_command(mysql, COM_STMT_FETCH, buff, sizeof(buff),
-                             (uchar*) 0, 0, 1, NULL))
+                             (uchar*) 0, 0, 1, stmt))
     {
       set_stmt_errmsg(stmt, net);
       DBUG_RETURN(1);
@@ -4960,7 +4967,7 @@ static my_bool reset_stmt_handle(MYSQL_STMT *stmt, uint flags)
         uchar buff[MYSQL_STMT_HEADER]; /* packet header: 4 bytes for stmt id */
         int4store(buff, stmt->stmt_id);
         if ((*mysql->methods->advanced_command)(mysql, COM_STMT_RESET, buff,
-                                                sizeof(buff), 0, 0, 0, NULL))
+                                                sizeof(buff), 0, 0, 0, stmt))
         {
           set_stmt_errmsg(stmt, &mysql->net);
           stmt->state= MYSQL_STMT_INIT_DONE;

sql-common/client.c

@@ -732,11 +732,12 @@ my_bool
 cli_advanced_command(MYSQL *mysql, enum enum_server_command command,
 		     const uchar *header, ulong header_length,
 		     const uchar *arg, ulong arg_length, my_bool skip_check,
-                     MYSQL_STMT *stmt __attribute__((unused)))
+                     MYSQL_STMT *stmt)
 {
   NET *net= &mysql->net;
   my_bool result= 1;
   init_sigpipe_variables
+  my_bool stmt_skip= stmt ? stmt->state != MYSQL_STMT_INIT_DONE : FALSE;
   DBUG_ENTER("cli_advanced_command");
 
   /* Don't give sigpipe errors if the client doesn't want them */
@@ -744,7 +745,7 @@ cli_advanced_command(MYSQL *mysql, enum enum_server_command command,
 
   if (mysql->net.vio == 0)
   {						/* Do reconnect if possible */
-    if (mysql_reconnect(mysql))
+    if (mysql_reconnect(mysql) || stmt_skip)
       DBUG_RETURN(1);
   }
   if (mysql->status != MYSQL_STATUS_READY ||
@@ -776,7 +777,7 @@ cli_advanced_command(MYSQL *mysql, enum enum_server_command command,
       goto end;
     }
     end_server(mysql);
-    if (mysql_reconnect(mysql))
+    if (mysql_reconnect(mysql) || stmt_skip)
       goto end;
     if (net_write_command(net,(uchar) command, header, header_length,
 			  arg, arg_length))
@@ -2523,6 +2524,9 @@ my_bool mysql_reconnect(MYSQL *mysql)
       if (stmt->state != MYSQL_STMT_INIT_DONE)
       {
         stmt->mysql= 0;
+        stmt->last_errno= CR_SERVER_LOST;
+        strmov(stmt->last_error, ER(CR_SERVER_LOST));
+        strmov(stmt->sqlstate, unknown_sqlstate);
       }
       else
       {