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consti/missing_indices.sql

Created May 13, 2015 07:11
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Find missing indices in postgres
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missing_indices.sql
SELECT relname, seq_scan-idx_scan AS too_much_seq, case when seq_scan-idx_scan>0 THEN 'Missing Index?' ELSE 'OK' END, pg_relation_size(relname::regclass) AS rel_size, seq_scan, idx_scan
FROM pg_stat_all_tables
WHERE schemaname='public' AND pg_relation_size(relname::regclass)>80000 ORDER BY too_much_seq DESC;
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