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faster not tags

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This commit is contained in:
Jack Robison 2020-04-16 11:04:24 -04:00
parent cb9a30f285
commit 7ffdfd12f8
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1 changed files with 13 additions and 5 deletions
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18
lbry/wallet/server/db/reader.py
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@ -604,11 +604,19 @@ def _apply_constraints_for_array_attributes(constraints, attr, cleaner, for_coun
f':$not_{attr}{i}' for i in range(len(not_items))
)
if for_count:
constraints[f'#_not_{attr}'] = f"""
{CLAIM_HASH_OR_REPOST_HASH_SQL} NOT IN (
SELECT claim_hash FROM {attr} WHERE {attr} IN ({values})
)
"""
if attr == 'tag':
constraints[f'#_not_{attr}'] = f"""
(claim.claim_type != {CLAIM_TYPES['repost']}
AND claim.claim_hash NOT IN (SELECT claim_hash FROM tag WHERE tag IN ({values}))) AND
(claim.claim_type == {CLAIM_TYPES['repost']} AND
claim.reposted_claim_hash NOT IN (SELECT claim_hash FROM tag WHERE tag IN ({values})))
"""
else:
constraints[f'#_not_{attr}'] = f"""
{CLAIM_HASH_OR_REPOST_HASH_SQL} NOT IN (
SELECT claim_hash FROM {attr} WHERE {attr} IN ({values})
)
"""
else:
constraints[f'#_not_{attr}'] = f"""
NOT EXISTS(