table_bloat_approx.sql: add table mask prompt, combine table and schema names. index_candidates_to_partial.sql: fix typo

sql/index_candidates_to_partial.sql

@@ -14,6 +14,6 @@ FROM pg_index
 JOIN pg_attribute ON pg_attribute.attrelid = pg_index.indrelid AND pg_attribute.attnum = ANY(pg_index.indkey)
 JOIN pg_stats ON (pg_stats.schemaname || '.' || pg_stats.tablename)::regclass = pg_attribute.attrelid AND pg_stats.attname = pg_attribute.attname
 WHERE pg_relation_size(pg_index.indexrelid) > 10*8192
-AND (SELECt SUM(a) FROM unnest(most_common_freqs[1:5]) a) >= 0.95
+AND (SELECT SUM(a) FROM unnest(most_common_freqs[1:5]) a) >= 0.95
 AND array_length(pg_index.indkey, 1) = 1
 ORDER BY pg_relation_size(pg_index.indexrelid) DESC,1,2,3;

sql/table_bloat_approx.sql

@@ -1,8 +1,8 @@
+\prompt 'This utility will read tables with given mask using pgstattuple extension and return top 20 bloated tables.\nWARNING: without table mask query will read all available tables which could cause I/O spikes.\nPlease enter mask for table name (check all tables if nothing is specified): ' tablename
 --faster version of table_bloat.sql which returns approximate results and doesn't read whole table (but reads toast tables)
 --pgstattuple v1.3+ extension required (available since postgresql 9.5)
 --WARNING: without table name/mask query will read all available tables which could cause I/O spikes
-select nspname,
-relname,
+select table_name,
 pg_size_pretty(relation_size + toast_relation_size) as total_size,
 pg_size_pretty(toast_relation_size) as toast_size,
 round(((relation_size - (relation_size - free_space)*100/fillfactor)*100/greatest(relation_size, 1))::numeric, 1) table_waste_percent,
@@ -10,7 +10,8 @@ pg_size_pretty((relation_size - (relation_size - free_space)*100/fillfactor)::bi
 round(((toast_free_space + relation_size - (relation_size - free_space)*100/fillfactor)*100/greatest(relation_size + toast_relation_size, 1))::numeric, 1) total_waste_percent,
 pg_size_pretty((toast_free_space + relation_size - (relation_size - free_space)*100/fillfactor)::bigint) total_waste
 from (
-    select nspname, relname,
+    select
+    (case when n.nspname = 'public' then format('%I', c.relname) else format('%I.%I', n.nspname, c.relname) end) as table_name,
     (select approx_free_space from pgstattuple_approx(c.oid)) as free_space,
     pg_relation_size(c.oid) as relation_size,
     (case when reltoastrelid = 0 then 0 else (select free_space from pgstattuple(c.reltoastrelid)) end) as toast_free_space,
@@ -21,7 +22,7 @@ from (
     where nspname not in ('pg_catalog', 'information_schema')
     and nspname !~ '^pg_toast' and nspname !~ '^pg_temp' and relkind in ('r', 'm') and (relpersistence = 'p' or not pg_is_in_recovery())
     --put your table name/mask here
-    and relname ~ ''
+    and relname ~ :'tablename'
 ) t
 order by (toast_free_space + relation_size - (relation_size - free_space)*100/fillfactor) desc
 limit 20;