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Find queries with big result set sizes #18

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Find queries with big result set sizes #18

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15 changes: 15 additions & 0 deletions big_result_set_sizes.sql
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Original file line number Diff line number Diff line change
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-- depends on pg_stat_statements
-- Enable source code line level logging: https://andyatkinson.com/source-code-line-numbers-ruby-on-rails-marginalia-query-logs
-- Workflow:
-- 1) Go to source of query
-- 2) Add some restrictions to create smaller working sets
SELECT
query,
calls,
ROWS,
ROWS::numeric / NULLIF (calls, 0) AS avg_rows_per_call
FROM
pg_stat_statements
ORDER BY
ROWS DESC
LIMIT 5;