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get claim info and channel name using a single query

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This commit is contained in:
Victor Shyba 2018-05-08 17:49:49 -03:00
parent df735252e5
commit acd330aa2a
1 changed files with 9 additions and 10 deletions
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19
lbrynet/database/storage.py
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@ -718,16 +718,15 @@ class SQLiteStorage(object):
return r
def _get_claim(transaction):
claim_info = transaction.execute(
"select * from claim where claim_outpoint=?", (claim_outpoint, )
).fetchone()
result = _claim_response(*claim_info)
if result['channel_claim_id']:
channel_name_result = transaction.execute(
"select claim_name from claim where claim_id=?", (result['channel_claim_id'], )
).fetchone()
if channel_name_result:
result['channel_name'] = channel_name_result[0]
claim_info = transaction.execute("select c.*, "
"case when c.channel_claim_id is not null then "
"(select claim_name from claim where claim_id==c.channel_claim_id) "
"else null end as channel_name from claim c where claim_outpoint = ?",
(claim_outpoint,)).fetchone()
channel_name = claim_info[-1]
result = _claim_response(*claim_info[:-1])
if channel_name:
result['channel_name'] = channel_name
return result
result = yield self.db.runInteraction(_get_claim)