auto-merge

configure.in

@@ -3141,17 +3141,12 @@ AC_CONFIG_FILES(Makefile extra/Makefile mysys/Makefile dnl
  AC_CONFIG_COMMANDS([default], , test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h)
  AC_OUTPUT
 
-echo
-echo "MySQL has a Web site at http://www.mysql.com/ which carries details on the"
-echo "latest release, upcoming features, and other information to make your"
-echo "work or play with MySQL more productive. There you can also find"
-echo "information about mailing lists for MySQL discussion."
-echo
-echo "Remember to check the platform specific part of the reference manual for"
-echo "hints about installing MySQL on your platform. Also have a look at the"
-echo "files in the Docs directory."
-echo
-# The following text is checked in ./Do-compile to verify that configure
+# The first line "Thank you ..." is checked in ./Do-compile to verify that configure
 # ended sucessfully - don't remove it.
+echo
 echo "Thank you for choosing MySQL!"
 echo
+echo "Remember to check the platform specific part of the reference manual"
+echo "for hints about installing MySQL on your platform."
+echo "Also have a look at the files in the Docs directory."
+echo

mysql-test/r/delete.result

@@ -241,4 +241,16 @@ DELETE FROM t1 ORDER BY (f1(10)) LIMIT 1;
 ERROR 42000: Incorrect number of arguments for FUNCTION test.f1; expected 0, got 1
 DROP TABLE t1;
 DROP FUNCTION f1;
+#
+# Bug #49552 : sql_buffer_result cause crash + not found records 
+#   in multitable delete/subquery
+#
+CREATE TABLE t1(a INT);
+INSERT INTO t1 VALUES (1),(2),(3);
+SET SESSION SQL_BUFFER_RESULT=1;
+DELETE t1 FROM (SELECT SUM(a) a FROM t1) x,t1;
+SET SESSION SQL_BUFFER_RESULT=DEFAULT;
+SELECT * FROM t1;
+a
+DROP TABLE t1;
 End of 5.0 tests

mysql-test/t/delete.test

@@ -247,4 +247,19 @@ DELETE FROM t1 ORDER BY (f1(10)) LIMIT 1;
 DROP TABLE t1;
 DROP FUNCTION f1;
 
+
+--echo #
+--echo # Bug #49552 : sql_buffer_result cause crash + not found records 
+--echo #   in multitable delete/subquery
+--echo #
+
+CREATE TABLE t1(a INT);
+INSERT INTO t1 VALUES (1),(2),(3);
+SET SESSION SQL_BUFFER_RESULT=1;
+DELETE t1 FROM (SELECT SUM(a) a FROM t1) x,t1;
+
+SET SESSION SQL_BUFFER_RESULT=DEFAULT;
+SELECT * FROM t1;
+DROP TABLE t1;
+
 --echo End of 5.0 tests

sql/item_timefunc.cc

@@ -379,7 +379,7 @@ static bool extract_date_time(DATE_TIME_FORMAT *format,
 	if (tmp - val > 6)
 	  tmp= (char*) val + 6;
 	l_time->second_part= (int) my_strtoll10(val, &tmp, &error);
-	frac_part= 6 - (uint) (tmp - val);
+	frac_part= 6 - (int) (tmp - val);
 	if (frac_part > 0)
 	  l_time->second_part*= (ulong) log_10_int[frac_part];
 	val= tmp;
@@ -870,7 +870,7 @@ static bool get_interval_info(const char *str,uint length,CHARSET_INFO *cs,
       value= value*LL(10) + (longlong) (*str - '0');
     if (transform_msec && i == count - 1) // microseconds always last
     {
-      long msec_length= 6 - (uint) (str - start);
+      long msec_length= 6 - (int) (str - start);
       if (msec_length > 0)
 	value*= (long) log_10_int[msec_length];
     }

sql/sql_parse.cc

@@ -4009,9 +4009,9 @@ mysql_execute_command(THD *thd)
 			select_lex->where,
 			0, (ORDER *)NULL, (ORDER *)NULL, (Item *)NULL,
 			(ORDER *)NULL,
-			select_lex->options | thd->options |
+			(select_lex->options | thd->options |
 			SELECT_NO_JOIN_CACHE | SELECT_NO_UNLOCK |
-                        OPTION_SETUP_TABLES_DONE,
+                        OPTION_SETUP_TABLES_DONE) & ~OPTION_BUFFER_RESULT,
 			del_result, unit, select_lex);
       res|= thd->net.report_error;
       if (unlikely(res))