Created
August 16, 2019 17:33
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Return useful arrangement of stats from PostgreSQL
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SELECT | |
table_name, | |
pg_size_pretty(table_size) AS table_size, | |
pg_size_pretty(indexes_size) AS indexes_size, | |
pg_size_pretty(total_size) AS total_size, | |
live_tuples, | |
dead_tuples, | |
(case | |
when ((live_tuples + dead_tuples) > 0) | |
then 100.0 * ((1.0 * dead_tuples) / (live_tuples + dead_tuples)) | |
else 0.0 | |
end) as percentage_dead, | |
seq_scan as scans, | |
seq_tup_read as selects, | |
n_tup_ins as inserts, | |
n_tup_upd as updates, | |
n_mod_since_analyze as mods, | |
last_autovacuum, | |
last_vacuum, | |
last_analyze | |
FROM ( | |
SELECT | |
pg_table_size(table_name) AS table_size, | |
pg_indexes_size(table_name) AS indexes_size, | |
pg_total_relation_size(table_name) AS total_size, | |
table_stats.* | |
FROM ( | |
SELECT | |
('"' || schemaname || '"."' || relname || '"') AS table_name | |
,n_live_tup AS live_tuples | |
,n_dead_tup AS dead_tuples | |
,s.* -- select * | |
FROM pg_catalog.pg_stat_all_tables s | |
) AS table_stats | |
) AS pretty_sizes | |
ORDER by live_tuples desc | |
; |
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