1 files changed, 16 insertions, 0 deletions
diff --git a/mysql-test/r/partition_myisam.result b/mysql-test/r/partition_myisam.result
index bb1a7b19a9d..08a5bf72f64 100644
--- a/mysql-test/r/partition_myisam.result
+++ b/mysql-test/r/partition_myisam.result
@@ -230,6 +230,22 @@ PARTITION pMax VALUES LESS THAN MAXVALUE);
 INSERT INTO t1 VALUES (1, "Partition p1, first row");
 DROP TABLE t1;
 #
+# MDEV-10418 Assertion `m_extra_cache' failed
+#    in ha_partition::late_extra_cache(uint)
+#
+CREATE TABLE t1 (f1 INT) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1),(2);
+CREATE TABLE t2 (f2 INT) ENGINE=MyISAM PARTITION BY RANGE(f2) (PARTITION pmax VALUES LESS THAN MAXVALUE);
+INSERT INTO t2 VALUES (8);
+CREATE ALGORITHM = MERGE VIEW v AS SELECT f2 FROM t2, t1;
+UPDATE v SET f2 = 1;
+SELECT * FROM t2;
+f2
+1
+DROP VIEW v;
+DROP TABLE t2;
+DROP TABLE t1;
+#
 # bug#11760213-52599: ALTER TABLE REMOVE PARTITIONING ON NON-PARTITIONED
 #                                 TABLE CORRUPTS MYISAM
 DROP TABLE if exists `t1`;