x/vmware-nsx
Code Issues Proposed changes

Fix port creation issue appeared with postgresql backend

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IPAllocationPool has relation to IPAvailabilityRange which is setup to
load eagerly. Eager loading is implemented with left outer join which is
incompatible with with_lockmode('update') on postgresql.
The fix redefines eager loading with options(joinedload) making it use
inner join.

fixes bug 1215350

Change-Id: I148d37f2a1c2a340327d36c240eb8173aee9219a
This commit is contained in:
Eugene Nikanorov 2013-08-22 19:08:34 +04:00
parent 1c2e111a0b
commit e43c5c1ea6
1 changed files with 5 additions and 3 deletions
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8
neutron/db/db_base_plugin_v2.py
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@ -312,9 +312,11 @@ class NeutronDbPluginV2(neutron_plugin_base_v2.NeutronPluginBaseV2,
subnet.
"""
# Grab all allocation pools for the subnet
pool_qry = context.session.query(
models_v2.IPAllocationPool).with_lockmode('update')
allocation_pools = pool_qry.filter_by(subnet_id=subnet_id)
allocation_pools = (context.session.query(
models_v2.IPAllocationPool).filter_by(subnet_id=subnet_id).
options(orm.joinedload('available_ranges', innerjoin=True)).
with_lockmode('update'))
# Find the allocation pool for the IP to recycle
pool_id = None
for allocation_pool in allocation_pools: