more info in "basic" report

Author: NikolayS

Diff for: general/basic.sql

@@ -1,8 +1,33 @@
-select case when pg_is_in_recovery() then 'Replica' || ' (delay: '
-    || ((((case
-        when pg_last_xlog_receive_location() = pg_last_xlog_replay_location() then 0
-        else extract (epoch from now() - pg_last_xact_replay_timestamp())
-      end)::int)::text || ' second')::interval)::text
-    || '; paused: ' || pg_is_xlog_replay_paused()::text || ')'
-  else 'Master'
-end as "Node Information";
+with data as (
+  select * from pg_stat_database where datname not in ('postgres', 'template0', 'template1') order by tup_returned desc limit 1
+)
+select 'Database Name' as metric, datname as value from data
+union all
+select 'Database Version' as metric, version() as value
+union all
+select
+  'Role' as metric,
+  case
+    when pg_is_in_recovery()  then 'Replica' || ' (delay: '
+      || ((((case
+          when pg_last_xlog_receive_location() = pg_last_xlog_replay_location() then 0
+          else extract (epoch from now() - pg_last_xact_replay_timestamp())
+        end)::int)::text || ' second')::interval)::text
+      || '; paused: ' || pg_is_xlog_replay_paused()::text || ')'
+    else 'Master'
+  end as value
+union all
+select 'Database Size', (select pg_catalog.pg_size_pretty(pg_catalog.pg_database_size(d.datname)) from pg_catalog.pg_database d where pg_catalog.has_database_privilege(d.datname, 'CONNECT') order by pg_catalog.pg_database_size(d.datname) desc limit 1)
+union all
+select 'Cache Effectiveness', (round(blks_hit * 100::numeric / (blks_hit + blks_read), 2))::text || '%' from data
+union all
+select 'Successful Commits', (round(xact_commit * 100::numeric / (xact_commit + xact_rollback), 2))::text || '%' from data
+union all
+select 'Conflicts', conflicts::text from data
+union all
+select 'Temp Files: total size (total number of files)', (pg_size_pretty(temp_bytes)::text || ' (' || temp_files::text || ')') from data
+union all
+select 'Deadlocks', deadlocks::text from data
+union all
+select 'Stat Since', stats_reset::text from data
+;

Diff for: start.psql

@@ -1,10 +1,10 @@
 \echo Menu:
-\echo '  1 – Basic Node Information (master/replica, lag, DB size, tmp files)'
-\echo '  2 – '
-\echo '  3 - Slowest Queries'
-\echo '  i1 - Unused/Redundant Indexes'
-\echo '  i2 - Rarely Used Indexes'
-\echo '  q – Quit from this tool'
+\echo '   1  – Basic Node Information (master/replica, lag, DB size, tmp files)'
+\echo '   2  – ....'
+\echo '   3  - Slowest Queries'
+\echo '  i1  - Unused/Redundant Indexes'
+\echo '  i2  - Rarely Used Indexes'
+\echo '   q  – Quit from this tool'
 \echo
 \echo 'Type your choice and press <Enter>:'
 \prompt d_step_unq