Sha256: cc494557a5762b77ff215c39b5e6642b6a3f022ce6bc2dea57ed9b1792ffec45
Contents?: true
Size: 723 Bytes
Versions: 20
Compression:
Stored size: 723 Bytes
Contents
/* Unused and almost unused indexes */
/* Ordered by their size relative to the number of index scans.
Exclude indexes of very small tables (less than 5 pages),
where the planner will almost invariably select a sequential scan,
but may not in the future as the table grows */
SELECT
schemaname || '.' || relname AS table,
indexrelname AS index,
pg_size_pretty(pg_relation_size(i.indexrelid)) AS index_size,
idx_scan as index_scans
FROM pg_stat_user_indexes ui
JOIN pg_index i ON ui.indexrelid = i.indexrelid
WHERE NOT indisunique AND idx_scan < %{max_scans} AND pg_relation_size(relid) > 5 * 8192
ORDER BY pg_relation_size(i.indexrelid) / nullif(idx_scan, 0) DESC NULLS FIRST,
pg_relation_size(i.indexrelid) DESC;
Version data entries
20 entries across 20 versions & 1 rubygems