MDEV-10724 Assertion `vcol_table == 0 || vcol_table == table' failed in fill_record(THD*, TABLE*, List<Item>&, List<Item>&, bool, bool)

Attempt to insert in several tables now checked just by table map.

Author: sanja-byelkin

mysql-test/r/view.result

@@ -6278,5 +6278,19 @@ a
 DROP VIEW v1;
 DROP TABLE t1;
 #
+# MDEV-10724:Assertion `vcol_table == 0 || vcol_table == table'
+# failed in fill_record(THD*, TABLE*, List<Item>&, List<Item>&,
+# bool, bool)
+#
+CREATE TABLE t1 (f1 INT);
+CREATE TABLE t2 (f2 INT);
+CREATE TABLE t3 (f3 INT);
+CREATE ALGORITHM = MERGE VIEW v AS SELECT f1, f3 FROM t1,
+( SELECT f3 FROM t2, t3 ) AS sq;
+INSERT INTO v (f1, f3) VALUES (1,1), (2,2);
+ERROR HY000: Can not modify more than one base table through a join view 'test.v'
+drop view v;
+drop tables t1,t2,t3;
+#
 # End of 10.2 tests
 #

mysql-test/t/view.test

@@ -6019,6 +6019,26 @@ select * from v1;
 DROP VIEW v1;
 
 DROP TABLE t1;
+
+--echo #
+--echo # MDEV-10724:Assertion `vcol_table == 0 || vcol_table == table'
+--echo # failed in fill_record(THD*, TABLE*, List<Item>&, List<Item>&,
+--echo # bool, bool)
+--echo #
+
+CREATE TABLE t1 (f1 INT);
+CREATE TABLE t2 (f2 INT);
+CREATE TABLE t3 (f3 INT);
+ 
+CREATE ALGORITHM = MERGE VIEW v AS SELECT f1, f3 FROM t1,
+( SELECT f3 FROM t2, t3 ) AS sq;
+ 
+--error ER_VIEW_MULTIUPDATE
+INSERT INTO v (f1, f3) VALUES (1,1), (2,2);
+
+drop view v;
+drop tables t1,t2,t3;
+
 --echo #
 --echo # End of 10.2 tests
 --echo #

sql/sql_insert.cc

@@ -78,6 +78,7 @@
 #include "sql_audit.h"
 #include "sql_derived.h"                        // mysql_handle_derived
 #include "sql_prepare.h"
+#include <my_bit.h>
 
 #include "debug_sync.h"
 
@@ -127,6 +128,14 @@ static bool check_view_single_update(List<Item> &fields, List<Item> *values,
   while ((item= it++))
     tables|= item->used_tables();
 
+  /*
+    Check that table is only one
+    (we can not rely on check_single_table because it skips some
+    types of tables)
+  */
+  if (my_count_bits(tables) > 1)
+    goto error;
+
   if (values)
   {
     it.init(*values);