@ -20,8 +20,8 @@
SELECT
SUM(idx_blks_read) AS idx_read,
SUM(idx_blks_hit) AS idx_hit,
(SUM(idx_blks_hit) - SUM(idx_blks_read)) /
SUM(idx_blks_hit)
SUM(idx_blks_hit) /
(SUM(idx_blks_hit) + SUM(idx_blks_read))::float
AS ratio
FROM
pg_statio_user_indexes;