diff --git a/mysql-test/suite/vcol/r/vcol_select_myisam.result b/mysql-test/suite/vcol/r/vcol_select_myisam.result index 45e4defd315..04ae7e0f7cd 100644 --- a/mysql-test/suite/vcol/r/vcol_select_myisam.result +++ b/mysql-test/suite/vcol/r/vcol_select_myisam.result @@ -262,3 +262,33 @@ NULL explain select sum(c) from t1 group by b; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using temporary; Using filesort +# +# Bug #806057: join with USING over a virtual column +# +CREATE TABLE t1 (b int); +INSERT INTO t1 VALUES (NULL),( 78), (185), (0), (154); +CREATE TABLE t2 (a int, b int AS (a) VIRTUAL); +INSERT INTO t2 VALUES (187,187), (9,9), (187,187); +Warnings: +Warning 1647 The value specified for computed column 'b' in table 't2' ignored +Warning 1647 The value specified for computed column 'b' in table 't2' ignored +Warning 1647 The value specified for computed column 'b' in table 't2' ignored +EXPLAIN EXTENDED +SELECT * FROM t1 JOIN t2 USING (b); +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 +1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer +Warnings: +Note 1003 select `test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where (`test`.`t1`.`b` = `test`.`t2`.`b`) +SELECT * FROM t1 JOIN t2 USING (b); +b a +EXPLAIN EXTENDED +SELECT * FROM t1 NATURAL JOIN t2; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t2 ALL NULL NULL NULL NULL 3 100.00 +1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer +Warnings: +Note 1003 select `test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where (`test`.`t1`.`b` = `test`.`t2`.`b`) +SELECT * FROM t1 NATURAL JOIN t2; +b a +DROP TABLE t1,t2; diff --git a/mysql-test/suite/vcol/t/vcol_select_myisam.test b/mysql-test/suite/vcol/t/vcol_select_myisam.test index 855e02ac113..c14faba576d 100644 --- a/mysql-test/suite/vcol/t/vcol_select_myisam.test +++ b/mysql-test/suite/vcol/t/vcol_select_myisam.test @@ -48,3 +48,23 @@ eval SET @@session.storage_engine = 'MyISAM'; #------------------------------------------------------------------------------# # Cleanup --source suite/vcol/inc/vcol_cleanup.inc + +--echo # +--echo # Bug #806057: join with USING over a virtual column +--echo # + +CREATE TABLE t1 (b int); +INSERT INTO t1 VALUES (NULL),( 78), (185), (0), (154); + +CREATE TABLE t2 (a int, b int AS (a) VIRTUAL); +INSERT INTO t2 VALUES (187,187), (9,9), (187,187); + +EXPLAIN EXTENDED +SELECT * FROM t1 JOIN t2 USING (b); +SELECT * FROM t1 JOIN t2 USING (b); + +EXPLAIN EXTENDED +SELECT * FROM t1 NATURAL JOIN t2; +SELECT * FROM t1 NATURAL JOIN t2; + +DROP TABLE t1,t2; diff --git a/sql/sql_base.cc b/sql/sql_base.cc index 4616b5c2430..bd02bbca7ea 100644 --- a/sql/sql_base.cc +++ b/sql/sql_base.cc @@ -7151,11 +7151,16 @@ mark_common_columns(THD *thd, TABLE_LIST *table_ref_1, TABLE_LIST *table_ref_2, if (!(eq_cond= new Item_func_eq(item_ident_1, item_ident_2))) goto err; /* Out of memory. */ + if (field_1 && field_1->vcol_info) + field_1->table->mark_virtual_col(field_1); + if (field_2 && field_2->vcol_info) + field_2->table->mark_virtual_col(field_2); + /* Add the new equi-join condition to the ON clause. Notice that fix_fields() is applied to all ON conditions in setup_conds() so we don't do it here. - */ + */ add_join_on((table_ref_1->outer_join & JOIN_TYPE_RIGHT ? table_ref_1 : table_ref_2), eq_cond);