diff options
| -rw-r--r-- | mysql-test/r/view.result | 16 | ||||
| -rw-r--r-- | mysql-test/t/view.test | 22 | ||||
| -rw-r--r-- | sql/sql_lex.cc | 3 | ||||
| -rw-r--r-- | sql/sql_update.cc | 3 |
4 files changed, 44 insertions, 0 deletions
diff --git a/mysql-test/r/view.result b/mysql-test/r/view.result index 0da11c7c355..e48a99f6aff 100644 --- a/mysql-test/r/view.result +++ b/mysql-test/r/view.result @@ -6802,5 +6802,21 @@ drop database db1; create database test; use test; # +# MDEV-16940: update of multi-table view returning error used in SP +# +CREATE TABLE t1 (a INT) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1), (2); +CREATE TABLE t2 (b INT) ENGINE=MyISAM; +INSERT INTO t2 VALUES (2), (3); +CREATE VIEW v1 AS SELECT a, b FROM t1,t2; +CREATE PROCEDURE sp1() UPDATE v1 SET a = 8, b = 9; +CALL sp1; +ERROR HY000: Can not modify more than one base table through a join view 'test.v1' +CALL sp1; +ERROR HY000: Can not modify more than one base table through a join view 'test.v1' +DROP PROCEDURE sp1; +DROP VIEW v1; +DROP TABLE t1, t2; +# # End of 10.2 tests # diff --git a/mysql-test/t/view.test b/mysql-test/t/view.test index 2486887600b..b5ce6a1cabf 100644 --- a/mysql-test/t/view.test +++ b/mysql-test/t/view.test @@ -6522,5 +6522,27 @@ create database test; use test; --echo # +--echo # MDEV-16940: update of multi-table view returning error used in SP +--echo # + +CREATE TABLE t1 (a INT) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1), (2); +CREATE TABLE t2 (b INT) ENGINE=MyISAM; +INSERT INTO t2 VALUES (2), (3); + +CREATE VIEW v1 AS SELECT a, b FROM t1,t2; + +CREATE PROCEDURE sp1() UPDATE v1 SET a = 8, b = 9; + +--error ER_VIEW_MULTIUPDATE +CALL sp1; +--error ER_VIEW_MULTIUPDATE +CALL sp1; + +DROP PROCEDURE sp1; +DROP VIEW v1; +DROP TABLE t1, t2; + +--echo # --echo # End of 10.2 tests --echo # diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc index 77e6b2b6571..5059e4f656e 100644 --- a/sql/sql_lex.cc +++ b/sql/sql_lex.cc @@ -4585,6 +4585,9 @@ bool LEX::save_prep_leaf_tables() bool st_select_lex::save_prep_leaf_tables(THD *thd) { + if (prep_leaf_list_state == SAVED) + return FALSE; + List_iterator_fast<TABLE_LIST> li(leaf_tables); TABLE_LIST *table; diff --git a/sql/sql_update.cc b/sql/sql_update.cc index 7454d16d55d..01743a6751e 100644 --- a/sql/sql_update.cc +++ b/sql/sql_update.cc @@ -1398,6 +1398,9 @@ bool Multiupdate_prelocking_strategy::handle_end(THD *thd) if (select_lex->handle_derived(thd->lex, DT_MERGE)) DBUG_RETURN(1); + if (thd->lex->save_prep_leaf_tables()) + DBUG_RETURN(1); + List<Item> *fields= &lex->select_lex.item_list; if (setup_fields_with_no_wrap(thd, Ref_ptr_array(), *fields, MARK_COLUMNS_WRITE, 0, 0)) |