hql-delete | 易学教程

Hibernate HQL delete with and

阅读更多关于 Hibernate HQL delete with and

问题 Hibernate doesn't delete my row: public boolean deleteVote(Login user, int pid){ Session session = getSession(); try{ String hql = "delete from Vote where uid= :uid AND pid= :pid"; Query query = session.createQuery(hql); System.out.println(user.getUid() + " and pid: " + pid); query.setString("uid", user.getUid()); query.setInteger("pid", pid); System.out.println(query.executeUpdate()); }catch(Exception e){ Outprint: uid: 123 and pid: 1 Hibernate: delete from votes where uid=? and pid=? 1 The

hibernate delete using hql

阅读更多关于 hibernate delete using hql

问题 I have the following mapping in hibernate: <class name="com.foo.bulk_delete.test3.lim.bl.pom.impl.P4" table="P4_BDELETE"> <list lazy="false" fetch="select" batch-size="25" name="strings" table="L_st_49eea" > <key> <column name="f_oid$1" index="I_oid$_49eea" sql-type="char(35)"/> </key> <index column="s_idx$"/> <element type="VarcharStringType"> <column name="s_elem$_5eb03" length="512"/> </element> </list> </class> if I want to delete all P4 elements in hql i do something similar to delete

Hibernate HQL delete query

阅读更多关于 Hibernate HQL delete query

问题 Im looking for information but I didnt find how. I have two tables: Remesas |codigo_prod| nombre |codigo_proveedor| ----------------------------------------- | 1001 | product1 | EST | | 1002 | product2 | ASM | - Proveedores |codigo_proveedor| mail | ---------------------------------- | EST | pro@mail.com | | ASM | pro2@mail.com | | DAM | pro3@mail.com | I have to delete from Proveedores the row that dont have codigo_proveedor on Remesas in this case delete DAM that its not on Remesas. Thank

Why does this HQL delete fail, when an HQL select with same terms works?

阅读更多关于 Why does this HQL delete fail, when an HQL select with same terms works?

问题 Why does the following HQL query fail? string hql = @"delete MyLog log where log.UtcTimestamp < :threshold and log.Configuration.Application = :application"; session.CreateQuery(hql) .SetDateTime("threshold", threshold) .SetEnum("application", this.application) .ExecuteUpdate(); The same form of query works when used in a select: string hql = @"from MyLog log where log.UtcTimestamp < :threshold and log.Configuration.Application = :application"; IList<MyLog> log = session.CreateQuery(hql)

Why does this HQL delete fail, when an HQL select with same terms works?

阅读更多关于 Why does this HQL delete fail, when an HQL select with same terms works?

Why does the following HQL query fail? string hql = @"delete MyLog log where log.UtcTimestamp < :threshold and log.Configuration.Application = :application"; session.CreateQuery(hql) .SetDateTime("threshold", threshold) .SetEnum("application", this.application) .ExecuteUpdate(); The same form of query works when used in a select: string hql = @"from MyLog log where log.UtcTimestamp < :threshold and log.Configuration.Application = :application"; IList<MyLog> log = session.CreateQuery(hql) .SetDateTime("threshold", threshold) .SetEnum("application", this.application) .List<MyLog>(); The mapping