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Add commit argument to clean_orphan_tags

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So we can prevent the session from being committed if we don't want it.
This commit is contained in:
Sebastian Spaeth 2012-11-28 14:36:58 +01:00
parent 329e39034b
commit 9437ea4742
1 changed files with 4 additions and 4 deletions
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8
mediagoblin/db/sql/util.py
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@ -297,17 +297,17 @@ def media_entries_for_tag_slug(dummy_db, tag_slug):
& (Tag.slug == tag_slug)) & (Tag.slug == tag_slug))
def clean_orphan_tags(): def clean_orphan_tags(commit=True):
"""Search for unused MediaTags and delete them"""
q1 = Session.query(Tag).outerjoin(MediaTag).filter(MediaTag.id==None) q1 = Session.query(Tag).outerjoin(MediaTag).filter(MediaTag.id==None)
for t in q1: for t in q1:
Session.delete(t) Session.delete(t)
# The "let the db do all the work" version: # The "let the db do all the work" version:
# q1 = Session.query(Tag.id).outerjoin(MediaTag).filter(MediaTag.id==None) # q1 = Session.query(Tag.id).outerjoin(MediaTag).filter(MediaTag.id==None)
# q2 = Session.query(Tag).filter(Tag.id.in_(q1)) # q2 = Session.query(Tag).filter(Tag.id.in_(q1))
# q2.delete(synchronize_session = False) # q2.delete(synchronize_session = False)
if commit:
Session.commit() Session.commit()
def check_collection_slug_used(dummy_db, creator_id, slug, ignore_c_id): def check_collection_slug_used(dummy_db, creator_id, slug, ignore_c_id):