@ -18,8 +18,8 @@
-- should be closer to 1, eg. 0.99
SELECT
SUM(heap_blks_read) AS heap_read,
SUM(heap_blks_read) AS heap_blks_read,
SUM(heap_blks_hit) AS heap_hit,
SUM(heap_blks_hit) AS heap_blks_hit,
SUM(heap_blks_hit) /
(SUM(heap_blks_hit) + SUM(heap_blks_read))
AS ratio