Auto-merge from mysql-trunk.

client/mysqltest.cc

@@ -284,7 +284,7 @@ enum enum_commands {
   Q_SEND_QUIT, Q_CHANGE_USER, Q_MKDIR, Q_RMDIR,
   Q_LIST_FILES, Q_LIST_FILES_WRITE_FILE, Q_LIST_FILES_APPEND_FILE,
   Q_SEND_SHUTDOWN, Q_SHUTDOWN_SERVER,
-  Q_MOVE_FILE,
+  Q_MOVE_FILE, Q_SEND_EVAL,
 
   Q_UNKNOWN,			       /* Unknown command.   */
   Q_COMMENT,			       /* Comments, ignored. */
@@ -379,6 +379,7 @@ const char *command_names[]=
   "send_shutdown",
   "shutdown_server",
   "move_file",
+  "send_eval",
 
   0
 };
@@ -7056,7 +7057,7 @@ void run_query(struct st_connection *cn, struct st_command *command, int flags)
   /*
     Evaluate query if this is an eval command
   */
-  if (command->type == Q_EVAL)
+  if (command->type == Q_EVAL || command->type == Q_SEND_EVAL)
   {
     init_dynamic_string(&eval_query, "", command->query_len+256, 1024);
     do_eval(&eval_query, command->query, command->end, FALSE);
@@ -7880,6 +7881,7 @@ int main(int argc, char **argv)
 	break;
       }
       case Q_SEND:
+      case Q_SEND_EVAL:
         if (!*command->first_argument)
         {
           /*

mysql-test/r/loadxml.result

@@ -58,11 +58,7 @@ select 1 as xml;
 xml
 1
 create table t2(fl text);
-LOAD XML LOCAL INFILE "$MYSQLTEST_VARDIR/tmp/loadxml-dump.xml"  INTO TABLE t2 ROWS IDENTIFIED BY '<person>';;
-show processlist;
-Id	User	Host	db	Command	Time	State	Info
-#	root	localhost	test	Query	#	NULL	show processlist
-#	root	localhost	test	Query	#	Reading from net	LOAD XML LOCAL INFILE "$MYSQLTEST_VARDIR/tmp/loadxml-dump.xml"  INTO TABLE t2 ROWS IDENTIFIED BY '<p
+LOAD XML LOCAL INFILE "MYSQLTEST_VARDIR/tmp/loadxml-dump.xml"  INTO TABLE t2 ROWS IDENTIFIED BY '<person>';;
 drop table t1;
 drop table t2;
 create table t1 (

mysql-test/t/loadxml.test

@@ -70,17 +70,18 @@ connection addconroot;
 create table t2(fl text);
 --let $PSEUDO_THREAD_ID=`select @@pseudo_thread_id    `
 
---send LOAD XML LOCAL INFILE "$MYSQLTEST_VARDIR/tmp/loadxml-dump.xml"  INTO TABLE t2 ROWS IDENTIFIED BY '<person>';
+--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+--send_eval LOAD XML LOCAL INFILE "$MYSQLTEST_VARDIR/tmp/loadxml-dump.xml"  INTO TABLE t2 ROWS IDENTIFIED BY '<person>';
 
 sleep 3;
 
 
 connection default;
---replace_column 1 # 3 localhost 6 #
-show processlist;
+sleep 1;
 
 --disable_query_log
 --eval kill $PSEUDO_THREAD_ID
+sleep 2;
 --enable_query_log
 
 disconnect addconroot;

storage/myisam/mi_dynrec.c

@@ -66,9 +66,12 @@ static int _mi_cmp_buffer(File file, const uchar *buff, my_off_t filepos,
 my_bool mi_dynmap_file(MI_INFO *info, my_off_t size)
 {
   DBUG_ENTER("mi_dynmap_file");
-  if (size > (my_off_t) (~((size_t) 0)))
+  if (size == 0 || size > (my_off_t) (~((size_t) 0)))
   {
-    DBUG_PRINT("warning", ("File is too large for mmap"));
+    if (size)
+      DBUG_PRINT("warning", ("File is too large for mmap"));
+    else
+      DBUG_PRINT("warning", ("Do not mmap zero-length"));
     DBUG_RETURN(1);
   }
   /*