hql

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NHibernate Linq Query is 3x slower than HQL

I 开发者_如何学JAVAhave a simple test that runs a query 5000 times. The linq version of the query takes over 3 times the HQL and the cached Linq version is significantly slower than the cached version[详细]

2023-03-11 15:55 分类：问答
HQL - need help on query

I have entities: Tweet and User. Tweet has an author, which is an instance of User class. User is following others users and also keeps track of users following him:[详细]

2023-03-11 02:13 分类：问答
special characters in HQL

hi i\'m trying to get from a mySql DB a query using Hibernates HQL * public String getDetailsByUserAndFullPath(String user,String fullpath) {[详细]

2023-03-10 18:45 分类：问答
Why this HQL is not valid?

The error is: Error: org.hibernate.QueryException: can only generate ids as part of bulk insert with either sequence or post-insert style generators[详细]

2023-03-09 22:18 分类：问答
Its possible insert row with embedded ID on table with HQL?

I\'m able to insert any row with HQL. Example: insert into MyMappedTable(field,field,field) select c.x, c.y, c.z from Object c where ....[详细]

2023-03-09 08:35 分类：问答
HQL query to filter date from datetime data

I want to convert datetime format to string format in HQL count. For example开发者_开发百科, I have redundant attendance data in each day of month of multiple employee which I need to count and get d[详细]

2023-03-09 05:07 分类：问答
Nhibernate GroupBy multiple and Count

First off I know GroubBy multiple properties has not been implemented yet. What I want to do is SELECT count(*)[详细]

2023-03-08 08:35 分类：问答
Hibernate 3.6: registerFunction in SQL dialect not working

I´m giving up and ask the community ... In my project, I´m using Hibernate 3.6.4.Final and a custom sql dialect:[详细]

2023-03-07 22:04 分类：问答
HQL concat function

Customer{ String customerName @OneToMany Set users; } User{ String userName; } when i do this: select c.customerName as customerName ,concat(u.userName) as userNames from Customer c join c.user开[详细]

2023-03-07 21:58 分类：问答
Find instance with at least one instance of a specified type in associated collection

I have an existing domain at work and haven\'t been able to limit the result of a query based on at least one instance of a specified type in an associated collection.[详细]

2023-03-07 07:02 分类：问答