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use coalesce to high value instead of nulls last to be ANSI compatible

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Victor Shyba 2020-11-25 12:01:00 -03:00 • committed by Lex Berezhny
parent 8968893216
commit f4a8be6c19
1 changed files with 4 additions and 4 deletions
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8
lbry/db/queries/search.py
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@ -148,12 +148,12 @@ def select_claims(cols: List = None, for_count=False, **constraints) -> Select:
raise NameError(f'{column} is not a valid order_by field') raise NameError(f'{column} is not a valid order_by field')
if column == 'name': if column == 'name':
column = 'claim_name' column = 'claim_name'
nulls_last = ''
if column in ('trending_group', 'trending_mixed', 'release_time'):
nulls_last = ' NULLs LAST'
table = "trend" if column.startswith('trend') else "claim" table = "trend" if column.startswith('trend') else "claim"
column = f"{table}.{column}"
if column in ('trending_group', 'trending_mixed', 'release_time'):
column = f"COALESCE({column}, {1<<32})"
sql_order_by.append( sql_order_by.append(
f"{table}.{column} ASC{nulls_last}" if is_asc else f"{table}.{column} DESC{nulls_last}" f"{column} {'ASC' if is_asc else 'DESC'}"
) )
constraints['order_by'] = sql_order_by constraints['order_by'] = sql_order_by