def query_by_postid(postid, limit=5):
recs = TabPostHist.select().where(
TabPostHist.post_id == postid
).order_by(
TabPostHist.time_update.desc()
).limit(limit)
return recs
def query_by_postid(postid, limit=5):
'''
Query history of certian records.
'''
recs = TabPostHist.select().where(
TabPostHist.post_id == postid).order_by(
TabPostHist.time_update.desc()).limit(limit)
return recs
def get_last(postid, limit=10):
recs = TabPostHist.select().where(
TabPostHist.post_id == postid
).order_by(TabPostHist.time_update.desc()).limit(limit)
if recs.count() == 0:
return None
else:
return recs.get()
def get_last(postid, limit=10):
'''
Get the last one of the records.
'''
recs = TabPostHist.select().where(
TabPostHist.post_id == postid).order_by(
TabPostHist.time_update.desc()).limit(limit)
if recs.count():
return recs.get()
return None