mysql创建视图 报错1349 - View's SELECT contains a subquery in the FROM clause;; 原因创建视图的sql语句中有不支持子查询, 所以需要将子查询的结果单独创建一个视图, 将子查询创建的视图替换到报错的sql语句中即可
The SELECT statement cannot contain a subquery in the FROM clause." ... When do you support this? We intended to support MySQL in our project, but MySQL doesn't support this "ANSI SQL feature" we need. Following messages we get with MySQL 5.0.7-beta: SQL State: HY000 Message...
View‘s select contains a subquery in the FROM clause bug补充总结,程序员大本营,技术文章内容聚合第一站。
SQL Tutorial, Subquery: Inner Queries Explanation Subqueries can be used in a SET UPDATE clause of an UPDATE statement. In this case, the subquery must produce a result table that contains a maximum of one row. Subqueries can be used in an INSERT statement. Subqueries can be used in the...
in 5.0.27 (old I know). I think the only thing preventing this from being enabled is the check in sql_view.cc to prevent views being created on temporary tables. It just needs a way to distinguish between a sub query in the from clause and a real temporary table: /* is this table...
Bug #12755 Subquery in FROM clause of views Submitted: 23 Aug 2005 14:12Modified: 9 Mar 2015 19:02 Reporter: Kay Doebl Email Updates: Status: Closed Impact on me: None Category: MySQL Server: DMLSeverity: S4 (Feature request) Version: 5.0.7-betaOS: Windows (Windows 2000) Assigned ...
in execute_sql cursor.execute(sql, params) File "/usr/lib/python2.5/site-packages/django/db/backends/util.py", line 19, in execute return self.cursor.execute(sql, params) psycopg2.ProgrammingError: missing FROM-clause entry in subquery for table "u1" LINE 1: ..._myitem" U0 INNER JOIN ...
If aqueryis used to access aCDSentity associated with aCDSrole and for whichCDSaccess control is not disabled using the value#NOT_ALLOWEDfor the annotation@AccessControl.authorizationCheckor using the additionWITH PRIVILEGED ACCESSin theFROMclause, only that data is read implicitly that matches the...
SELECTFirstName,LastName,OrderCount=(SELECTCOUNT(O.id)FROM[Order]OWHEREO.CustomerId=C.Id)FROMCustomer C Try it live This is called acorrelated subquerybecause the subquery references the enclosing query, specifically, the C.Id in the WHERE clause. ...
(or in a subquery in theFROMclause) do not come in any specific order. That's why the optimizer can ignore theORDER BYclause that you have specified. In fact, the SQL standard does not even allow theORDER BYclause to appear in this subquery (we allow it, becauseORDER BY ... LIMIT ...