1# 2# MariaDB's EXPLAIN FORMAT=JSON tests that require InnoDB. 3# 4--source include/have_innodb.inc 5 6--disable_warnings 7drop table if exists t0,t1,t2; 8--enable_warnings 9 10--echo # 11--echo # MDEV-7266: Assertion `!element_started' failed in Json_writer& Json_writer::add_member 12--echo # 13 14CREATE TABLE t1 (a INT) ENGINE=InnoDB; 15INSERT INTO t1 VALUES (1),(2); 16 17CREATE TABLE t2 (column_name_1 INT, column_name_2 VARCHAR(52)) ENGINE=InnoDB; 18INSERT INTO t2 VALUES (3,'United States'); 19 20CREATE TABLE t3 (b INT, c VARCHAR(3), PRIMARY KEY (c,b)) ENGINE=InnoDB; 21INSERT INTO t3 VALUES (4,'USA'),(5,'CAN'); 22 23EXPLAIN FORMAT=JSON SELECT * FROM t1 WHERE 0 < ALL ( 24 SELECT tbl_alias1.column_name_1 FROM t2 AS tbl_alias1, t3 AS tbl_alias2 25 WHERE tbl_alias2.b = tbl_alias1.column_name_1 AND tbl_alias2.c = tbl_alias1.column_name_2 26); 27 28drop table t1,t2,t3; 29