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-rw-r--r--mysql-test/t/subselect4.test16
1 files changed, 16 insertions, 0 deletions
diff --git a/mysql-test/t/subselect4.test b/mysql-test/t/subselect4.test
index 76b4df47a6a..e54308b5e46 100644
--- a/mysql-test/t/subselect4.test
+++ b/mysql-test/t/subselect4.test
@@ -2016,5 +2016,21 @@ select 1 from dual where null not in (select 1 from t1);
select 1 from dual where null not in (select 1 from t2);
drop table t1,t2;
+
+--echo #
+--echo # MDEV-6486: Assertion `!table || (!table->read_set || bitmap_is_set(table->read_set, field_index))'
+--echo # failed with SELECT SQ, TEXT field
+--echo #
+
+CREATE TABLE t1 (a VARCHAR(8), KEY(a)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES ('foo'),( 'bar');
+
+CREATE TABLE t2 (b VARCHAR(8), c TINYTEXT, KEY(b)) ENGINE=MyISAM;
+INSERT INTO t2 VALUES ('baz','baz'),('qux', 'qux');
+
+SELECT ( SELECT COUNT(*) FROM t1 WHERE a = c ) AS field, COUNT(DISTINCT c)
+FROM t2 WHERE b <= 'quux' GROUP BY field;
+drop table t1,t2;
+
SET optimizer_switch= @@global.optimizer_switch;
set @@tmp_table_size= @@global.tmp_table_size;