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MDEV-11240: Server crashes in check_view_single_update or Assertion `derived->table' failed in mysql_derived_merge_for_insert

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Before "merge" view shoud be inited to maintaing transitive attributes like "multitable".
This commit is contained in:
Oleksandr Byelkin 2017-08-16 19:18:39 +02:00
parent e866e4cdbe
commit bcc1ba9218
3 changed files with 3 additions and 9 deletions
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3
mysql-test/r/view.result
View file

@ -5626,9 +5626,6 @@ CREATE TABLE t3 (a INT);
CREATE ALGORITHM = MERGE VIEW v1 AS SELECT t2.a FROM t3 AS t1, t3 AS t2;
CREATE ALGORITHM = MERGE VIEW v2 AS SELECT * FROM v1;
PREPARE stmt FROM 'REPLACE INTO v2 SELECT a FROM t3';
EXECUTE stmt;
ERROR HY000: Can not insert into join view 'test.v2' without fields list
EXECUTE stmt;
ERROR HY000: Can not insert into join view 'test.v2' without fields list
drop view v1,v2;
drop table t3;

5
mysql-test/t/view.test
View file

@ -5573,11 +5573,8 @@ drop table t1,t2,t3;
CREATE TABLE t3 (a INT);
CREATE ALGORITHM = MERGE VIEW v1 AS SELECT t2.a FROM t3 AS t1, t3 AS t2;
CREATE ALGORITHM = MERGE VIEW v2 AS SELECT * FROM v1;
--error ER_VIEW_NO_INSERT_FIELD_LIST
PREPARE stmt FROM 'REPLACE INTO v2 SELECT a FROM t3';
--error ER_VIEW_NO_INSERT_FIELD_LIST
EXECUTE stmt;
--error ER_VIEW_NO_INSERT_FIELD_LIST
EXECUTE stmt;
drop view v1,v2;
drop table t3;

4
sql/sql_derived.cc
View file

@ -510,6 +510,8 @@ bool mysql_derived_merge_for_insert(THD *thd, LEX *lex, TABLE_LIST *derived)
DBUG_ENTER("mysql_derived_merge_for_insert");
if (derived->merged_for_insert)
DBUG_RETURN(FALSE);
if (derived->init_derived(thd, FALSE))
DBUG_RETURN(TRUE);
if (derived->is_materialized_derived())
DBUG_RETURN(mysql_derived_prepare(thd, lex, derived));
if ((thd->lex->sql_command == SQLCOM_UPDATE_MULTI ||
@ -526,8 +528,6 @@ bool mysql_derived_merge_for_insert(THD *thd, LEX *lex, TABLE_LIST *derived)
derived->merged_for_insert= TRUE;
}
}
else
derived->table= derived->merge_underlying_list->table;
DBUG_RETURN(FALSE);
}