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-rw-r--r--mysql-test/r/information_schema2.result8
-rw-r--r--mysql-test/r/sum_distinct-big.result15
2 files changed, 23 insertions, 0 deletions
diff --git a/mysql-test/r/information_schema2.result b/mysql-test/r/information_schema2.result
new file mode 100644
index 00000000000..60a20944839
--- /dev/null
+++ b/mysql-test/r/information_schema2.result
@@ -0,0 +1,8 @@
+select variable_name from information_schema.session_status where variable_name =
+(select variable_name from information_schema.session_status where variable_name = 'uptime');
+variable_name
+UPTIME
+select variable_name from information_schema.session_variables where variable_name =
+(select variable_name from information_schema.session_variables where variable_name = 'basedir');
+variable_name
+BASEDIR
diff --git a/mysql-test/r/sum_distinct-big.result b/mysql-test/r/sum_distinct-big.result
index 9b55d59ab91..d4933b31f80 100644
--- a/mysql-test/r/sum_distinct-big.result
+++ b/mysql-test/r/sum_distinct-big.result
@@ -103,5 +103,20 @@ sm
10323810
10325070
10326330
+#
+# Bug mdev-4063: SUM(DISTINCT...) with small'max_heap_table_size
+# (bug #56927)
+#
+SET max_heap_table_size=default;
+INSERT INTO t1 SELECT id+16384 FROM t1;
+DELETE FROM t2;
+INSERT INTO t2 SELECT id FROM t1 ORDER BY id*rand();
+SELECT SUM(DISTINCT id) sm FROM t2;
+sm
+536887296
+SET max_heap_table_size=16384;
+SELECT SUM(DISTINCT id) sm FROM t2;
+sm
+536887296
DROP TABLE t1;
DROP TABLE t2;