[
http://opensource.atlassian.com/projects/hibernate/browse/HHH-879?page=co...
]
Simon Neilson commented on HHH-879:
-----------------------------------
To help illustrate my previous comment, here is some example SQL generated from a criteria
using sub-selects (on T_METER_PROPS) instead of multiple joins.
{code}
select
this_.*
from
T_METER this_
where
exists (
select
p_.F_MP_FK_M_ID as y0_
from
T_METER_PROPS p_
where
p_.F_MP_FK_M_ID=this_.F_M_ID
and p_.F_MP_FK_AP_ID=?
and p_.F_MP_VALUE=?
)
or exists (
select
p_.F_MP_FK_M_ID as y0_
from
T_METER_PROPS p_
where
p_.F_MP_FK_M_ID=this_.F_M_ID
and p_.F_MP_FK_AP_ID=?
and p_.F_MP_VALUE=?
)
{code}
Enable joining the same association twice with Criteria
-------------------------------------------------------
Key: HHH-879
URL:
http://opensource.atlassian.com/projects/hibernate/browse/HHH-879
Project: Hibernate Core
Issue Type: Improvement
Components: core
Reporter: Vladimir Bayanov
Make double joining the same association with Criteria.createCriteria possible. See:
http://forum.hibernate.org/viewtopic.php?t=931249
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