openstack/aodh
Code Issues Proposed changes

Merge "Add comments for _build_paginate_query"

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Jenkins 2014-03-02 14:17:05 +00:00 committed by Gerrit Code Review
commit c60d2fa883
1 changed files with 8 additions and 0 deletions
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8
ceilometer/storage/impl_mongodb.py
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@ -446,6 +446,14 @@ class Connection(pymongo_base.Connection):
sort_criteria_list = []
for i in range(len(sort_keys)):
#NOTE(fengqian): Generate the query criteria recursively.
#sort_keys=[k1, k2, k3], maker_value=[v1, v2, v3]
#sort_flags = ['$lt', '$gt', 'lt'].
#The query criteria should be
#{'k3': {'$lt': 'v3'}, 'k2': {'eq': 'v2'}, 'k1': {'eq': 'v1'}},
#{'k2': {'$gt': 'v2'}, 'k1': {'eq': 'v1'}},
#{'k1': {'$lt': 'v1'}} with 'OR' operation.
#Each recurse will generate one items of three.
sort_criteria_list.append(cls._recurse_sort_keys(
sort_keys[:(len(sort_keys) - i)],
marker, _op))