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PostgreSQL query that finds indexes without hits
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SELECT | |
relid::regclass AS table, | |
indexrelid::regclass AS index, | |
pg_size_pretty(pg_relation_size(indexrelid::regclass)) AS index_size, | |
idx_tup_read, | |
idx_tup_fetch, | |
idx_scan | |
FROM | |
pg_stat_user_indexes | |
JOIN pg_index USING (indexrelid) | |
WHERE | |
idx_scan = 0 | |
AND indisunique IS FALSE | |
ORDER BY pg_relation_size(indexrelid::regclass) DESC; |
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