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Delete duplicate blockchainevents when migrating #1063

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Merged
merged 1 commit into from
Sep 16, 2022
Merged

Delete duplicate blockchainevents when migrating #1063

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2 changes: 2 additions & 0 deletions db/migrations/postgres/000099_fix_blockchainevent_protocolid_index.up.sql
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Original file line number Diff line number Diff line change
@@ -1,5 +1,7 @@
BEGIN;
DROP INDEX blockchainevents_protocolid;
DELETE FROM blockchainevents WHERE listener_id IS NULL AND seq NOT IN (
SELECT MIN(seq) FROM blockchainevents WHERE listener_id IS NULL GROUP BY namespace, protocol_id);
CREATE UNIQUE INDEX blockchainevents_protocolid ON blockchainevents(namespace, protocol_id) WHERE listener_id IS NULL;
CREATE UNIQUE INDEX blockchainevents_listener_protocolid ON blockchainevents(namespace, listener_id, protocol_id) WHERE listener_id IS NOT NULL;
COMMIT;
2 changes: 2 additions & 0 deletions db/migrations/sqlite/000099_fix_blockchainevent_protocolid_index.up.sql
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
DROP INDEX blockchainevents_protocolid;
DELETE FROM blockchainevents WHERE listener_id IS NULL AND seq NOT IN (
SELECT MIN(seq) FROM blockchainevents WHERE listener_id IS NULL GROUP BY namespace, protocol_id);
CREATE UNIQUE INDEX blockchainevents_protocolid ON blockchainevents(namespace, protocol_id) WHERE listener_id IS NULL;
CREATE UNIQUE INDEX blockchainevents_listener_protocolid ON blockchainevents(namespace, listener_id, protocol_id) WHERE listener_id IS NOT NULL;