初版

build/lib/mysql/mysql-test/t/bug46080.test

@@ -0,0 +1,25 @@
+--echo #
+--echo # Bug #46080: group_concat(... order by) crashes server when
+--echo #  sort_buffer_size cannot allocate
+--echo #
+
+call mtr.add_suppression("Out of memory at line .*, '.*my_alloc.c'");
+call mtr.add_suppression("needed .* byte (.*k)., memory in use: .* bytes (.*k)");
+
+CREATE TABLE t1(a CHAR(255));
+INSERT INTO t1 VALUES ('a');
+
+SET @@SESSION.sort_buffer_size=5*16*1000000;
+SET @@SESSION.max_heap_table_size=5*1000000;
+
+--echo # Must not crash.
+--disable_result_log
+--error 0,5
+SELECT GROUP_CONCAT(a ORDER BY a) FROM t1 GROUP BY a;
+--enable_result_log
+
+DROP TABLE t1;
+SET @@SESSION.sort_buffer_size=default;
+SET @@SESSION.max_heap_table_size=default;
+
+--echo End of 5.0 tests