.psqlrc

\set PROMPT1 '%[%033[1m%]%M:%> %n@%/%[%033[0m%]%R%#%x '
\set PROMPT2 '[more] %R > '

-- niele hiljaa nämä asetukset
\set QUIET 1

\pset null ¤
\pset linestyle unicode
\set HISTFILE ~/.psql_history- :DBNAME
\set HISTCONTROL ignoredups
\set COMP_KEYWORD_CASE upper


--
-- QUERIES
-- Usage: ":name", example ":db_size"
-- Use tab to complete
--

\set show_slow_queries 'SELECT (total_time / 1000 / 60) as total_minutes, (total_time/calls) as average_time, query FROM pg_stat_statements ORDER BY 1 DESC LIMIT 100;'
\set settings 'select name, setting, unit, context from pg_settings;'
\set conninfo 'select usename, count(*) from pg_stat_activity group by usename;'
\set activity 'select datname, pid, usename, application_name,client_addr, client_hostname, client_port, query, state from pg_stat_activity;'
\set waits 'SELECT pg_stat_activity.pid, pg_stat_activity.query, pg_stat_activity.waiting, now() - pg_stat_activity.query_start AS \"totaltime\", pg_stat_activity.backend_start FROM pg_stat_activity WHERE pg_stat_activity.query !~ \'%IDLE%\'::text AND pg_stat_activity.waiting = true;'
\set db_size 'SELECT datname, pg_size_pretty(pg_database_size(datname)) db_size FROM pg_database ORDER BY db_size;'
\set table_size 'SELECT nspname || \'.\' || relname AS \"relation\", pg_size_pretty(pg_relation_size(C.oid)) AS "size" FROM pg_class C LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace) WHERE nspname NOT IN (\'pg_catalog\', \'information_schema\') ORDER BY pg_relation_size(C.oid) DESC LIMIT 40;'
\set bloat 'SELECT tablename as table_name, ROUND(CASE WHEN otta=0 THEN 0.0 ELSE sml.relpages/otta::numeric END,1) AS table_bloat, CASE WHEN relpages < otta THEN ''0'' ELSE pg_size_pretty((bs*(sml.relpages-otta)::bigint)::bigint) END AS table_waste, iname as index_name, ROUND(CASE WHEN iotta=0 OR ipages=0 THEN 0.0 ELSE ipages/iotta::numeric END,1) AS index_bloat, CASE WHEN ipages < iotta THEN ''0'' ELSE pg_size_pretty((bs*(ipages-iotta))::bigint) END AS index_waste FROM ( SELECT schemaname, tablename, cc.reltuples, cc.relpages, bs, CEIL((cc.reltuples*((datahdr+ma- (CASE WHEN datahdr%ma=0 THEN ma ELSE datahdr%ma END))+nullhdr2+4))/(bs-20::float)) AS otta, COALESCE(c2.relname,''?'') AS iname, COALESCE(c2.reltuples,0) AS ituples, COALESCE(c2.relpages,0) AS ipages, COALESCE(CEIL((c2.reltuples*(datahdr-12))/(bs-20::float)),0) AS iotta FROM ( SELECT ma,bs,schemaname,tablename, (datawidth+(hdr+ma-(case when hdr%ma=0 THEN ma ELSE hdr%ma END)))::numeric AS datahdr, (maxfracsum*(nullhdr+ma-(case when nullhdr%ma=0 THEN ma ELSE nullhdr%ma END))) AS nullhdr2 FROM ( SELECT schemaname, tablename, hdr, ma, bs, SUM((1-null_frac)*avg_width) AS datawidth, MAX(null_frac) AS maxfracsum, hdr+( SELECT 1+count(*)/8 FROM pg_stats s2 WHERE null_frac<>0 AND s2.schemaname = s.schemaname AND s2.tablename = s.tablename) AS nullhdr FROM pg_stats s, ( SELECT (SELECT current_setting(''block_size'')::numeric) AS bs, CASE WHEN substring(v,12,3) IN (''8.0'',''8.1'',''8.2'') THEN 27 ELSE 23 END AS hdr, CASE WHEN v ~ ''mingw32'' THEN 8 ELSE 4 END AS ma FROM (SELECT version() AS v) AS foo) AS constants GROUP BY 1,2,3,4,5) AS foo) AS rs JOIN pg_class cc ON cc.relname = rs.tablename JOIN pg_namespace nn ON cc.relnamespace = nn.oid AND nn.nspname = rs.schemaname AND nn.nspname <> ''information_schema'' LEFT JOIN pg_index i ON indrelid = cc.oid LEFT JOIN pg_class c2 ON c2.oid = i.indexrelid) AS sml ORDER BY CASE WHEN relpages < otta THEN 0 ELSE bs*(sml.relpages-otta)::bigint END DESC;'
\set blocking 'select bl.pid as blocked_pid, ka.query as blocking_statement, now() - ka.query_start as blocking_duration, kl.pid as blocking_pid, a.query as blocked_statement, now() - a.query_start as blocked_duration from pg_catalog.pg_locks bl join pg_catalog.pg_stat_activity a on bl.pid = a.pid join pg_catalog.pg_locks kl join pg_catalog.pg_stat_activity ka on kl.pid = ka.pid on bl.transactionid = kl.transactionid and bl.pid != kl.pid where not bl.granted;'
\set cache_hit 'SELECT ''index hit rate'' as name, (sum(idx_blks_hit)) / sum(idx_blks_hit + idx_blks_read) as ratio FROM pg_statio_user_indexes union all SELECT ''cache hit rate'' as name, sum(heap_blks_hit) / (sum(heap_blks_hit) + sum(heap_blks_read)) as ratio FROM pg_statio_user_tables;'
\set index_size 'SELECT indexrelid::REGCLASS::TEXT AS index_name, pg_size_pretty(pg_relation_size(indexrelid)) as size FROM pg_index order by pg_relation_size(indexrelid) DESC limit 20 ;'
\set index_usage 'SELECT relname, CASE idx_scan WHEN 0 THEN ''Insufficient data'' ELSE (100 * idx_scan / (seq_scan + idx_scan))::text END percent_of_times_index_used, n_live_tup rows_in_table FROM pg_stat_user_tables ORDER BY n_live_tup DESC;'
\set index_usage_adv 'SELECT * FROM (SELECT stat.relname AS table, stai.indexrelname AS index, CASE stai.idx_scan WHEN 0 THEN ''Insufficient data'' ELSE (100 * stai.idx_scan / (stat.seq_scan + stai.idx_scan))::text || ''%'' END hit_rate, CASE stat.idx_scan WHEN 0 THEN ''Insufficient data'' ELSE (100 * stat.idx_scan / (stat.seq_scan + stat.idx_scan))::text || ''%'' END all_index_hit_rate, ARRAY(SELECT pg_get_indexdef(idx.indexrelid, k + 1, true) FROM generate_subscripts(idx.indkey, 1) AS k ORDER BY k) AS cols, stat.n_live_tup rows_in_table FROM pg_stat_user_indexes AS stai JOIN pg_stat_user_tables AS stat ON stai.relid = stat.relid JOIN pg_index AS idx ON (idx.indexrelid = stai.indexrelid)) AS sub_inner ORDER BY rows_in_table DESC, hit_rate ASC;'
\set locks 'select pg_stat_activity.pid, pg_class.relname, pg_locks.transactionid, pg_locks.granted, substr(pg_stat_activity.query,1,30) as query_snippet, age(now(),pg_stat_activity.query_start) as "age" from pg_stat_activity,pg_locks left outer join pg_class on (pg_locks.relation = pg_class.oid) where pg_stat_activity.query <> ''<insufficient privilege>'' and pg_locks.pid=pg_stat_activity.pid and pg_locks.mode = ''ExclusiveLock'' order by query_start;'
\set long_running_queries 'SELECT pid, now() - pg_stat_activity.query_start AS duration, query AS query FROM pg_stat_activity WHERE pg_stat_activity.query <> ''''::text AND now() - pg_stat_activity.query_start > interval ''5 minutes'' ORDER BY now() - pg_stat_activity.query_start DESC;'
\set ps 'select pid, application_name as source, age(now(),query_start) as running_for, waiting, query as query from pg_stat_activity where query <> ''<insufficient privilege>'' AND state <> ''idle'' and pid <> pg_backend_pid() order by 3 desc;'
\set seq_scans 'SELECT relname AS name, seq_scan as count FROM pg_stat_user_tables ORDER BY seq_scan DESC;'
\set total_index_size 'SELECT pg_size_pretty(sum(relpages*1024)) AS size FROM pg_class WHERE reltype=0;'
\set unused_indexes '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 < 50 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;'
\set missing_indexes 'SELECT relname, seq_scan-idx_scan AS too_much_seq, case when seq_scan-idx_scan > 0 THEN ''Missing Index?'' ELSE ''OK'' END, pg_relation_size(relname::regclass) AS rel_size, seq_scan, idx_scan FROM pg_stat_all_tables WHERE schemaname=''public'' AND pg_relation_size(relname::regclass) > 80000 ORDER BY too_much_seq DESC;'
\set trash_indexes '( select s.schemaname as sch, s.relname as rel, s.indexrelname as idx, s.idx_scan as scans, pg_size_pretty(pg_relation_size(s.relid)) as ts, pg_size_pretty(pg_relation_size(s.indexrelid)) as "is" from pg_stat_user_indexes s join pg_index i on i.indexrelid=s.indexrelid left join pg_constraint c on i.indrelid=c.conrelid and array_to_string(i.indkey, '' '') = array_to_string(c.conkey, '' '') where i.indisunique is false and pg_relation_size(s.relid) > 1000000 and s.idx_scan < 100000 and c.confrelid is null order by s.idx_scan asc, pg_relation_size(s.relid) desc );'

--
-- HELPER for dropping all others - postgres won't shut down if there are active connections
--
\set drop_all_other_connections 'SELECT pg_terminate_backend(pg_stat_activity.pid) FROM pg_stat_activity WHERE pg_stat_activity.datname = \'eura2021\' AND pid <> pg_backend_pid();'


\unset QUIET
\timing