1 files changed, 46 insertions, 0 deletions
diff --git a/mysql-test/include/partition_mrr.inc b/mysql-test/include/partition_mrr.inc
new file mode 100644
index 00000000000..4c285791ec7
--- /dev/null
+++ b/mysql-test/include/partition_mrr.inc
@@ -0,0 +1,46 @@
+--source include/have_partition.inc
+
+--disable_warnings
+drop table if exists t1,t3;
+--enable_warnings
+
+--echo #
+--echo # MDEV-20611: MRR scan over partitioned InnoDB table produces "Out of memory" error
+--echo #
+create table t1(a int);
+insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+
+set @tmp=@@storage_engine;
+eval set storage_engine=$engine_type;
+
+create table t3 (
+  ID bigint(20) NOT NULL AUTO_INCREMENT,
+  part_id int,
+  key_col int,
+  col2 int,
+  key(key_col),
+  PRIMARY KEY (ID,part_id)
+) PARTITION BY RANGE (part_id)
+(PARTITION p1 VALUES LESS THAN (3),
+ PARTITION p2 VALUES LESS THAN (7),
+ PARTITION p3 VALUES LESS THAN (10)
+);
+
+show create table t3;
+set storage_engine= @tmp;
+
+insert into t3 select 
+  A.a+10*B.a,
+  A.a,
+  B.a,
+  123456
+from t1 A, t1 B;
+
+set optimizer_switch='mrr=on';
+--replace_column 9 #
+explain 
+select * from t3 force index (key_col) where key_col < 3;
+select * from t3 force index (key_col) where key_col < 3;
+
+drop table t1,t3;
+