QUERY PLAN
Sort (cost=55.91..55.91 rows=2 width=504)
Sort Key: a.attnum
-> Nested Loop Left Join (cost=2.45..55.90 rows=2 width=504)
Join Filter: ((t.typndims > 0) AND (t.typbasetype > '0'::oid))
-> Nested Loop Left Join (cost=2.17..50.83 rows=2 width=968)
Join Filter: ((((a.attndims > 0) OR (t.typcategory = 'A'::"char")) AND (t.typelem > '0'::oid) AND (t.typelem = tb.oid)) OR ((t.typbasetype > '0'::oid) AND (t.typbasetype = tb.oid)))
-> Nested Loop (cost=1.25..12.35 rows=2 width=895)
-> Nested Loop Left Join (cost=0.97..11.74 rows=2 width=529)
-> Nested Loop (cost=0.83..11.40 rows=2 width=497)
-> Nested Loop Left Join (cost=0.55..6.55 rows=1 width=156)
-> Nested Loop (cost=0.28..3.35 rows=1 width=132)
Join Filter: (c.relnamespace = d.oid)
-> Index Scan using pg_class_relname_nsp_index on pg_class c (cost=0.28..2.29 rows=1 width=72)
Index Cond: (relname = 'agent_setting'::name)
-> Seq Scan on pg_namespace d (cost=0.00..1.05 rows=1 width=68)
Filter: (nspname = 'public'::name)
-> Index Scan using pg_constraint_conrelid_contypid_conname_index on pg_constraint ct (cost=0.27..3.18 rows=1 width=28)
Index Cond: (conrelid = c.oid)
Filter: (contype = 'p'::"char")
-> Index Scan using pg_attribute_relid_attnum_index on pg_attribute a (cost=0.28..4.80 rows=6 width=341)
Index Cond: ((attrelid = c.oid) AND (attnum > 0))
Filter: (NOT attisdropped)
-> Index Scan using pg_attrdef_adrelid_adnum_index on pg_attrdef ad (cost=0.15..0.17 rows=1 width=38)
Index Cond: ((adrelid = a.attrelid) AND (adnum = a.attnum))
-> Index Scan using pg_type_oid_index on pg_type t (cost=0.28..0.30 rows=1 width=370)
Index Cond: (oid = a.atttypid)
Filter: (typname <> ''::name)
-> Bitmap Heap Scan on pg_type tb (cost=0.92..1.94 rows=692 width=77)
Recheck Cond: ((t.typelem = oid) OR (t.typbasetype = oid))
-> BitmapOr (cost=0.92..0.92 rows=2 width=0)
-> Bitmap Index Scan on pg_type_oid_index (cost=0.00..0.29 rows=1 width=0)
Index Cond: (oid = t.typelem)
-> Bitmap Index Scan on pg_type_oid_index (cost=0.00..0.29 rows=1 width=0)
Index Cond: (oid = t.typbasetype)
-> Index Scan using pg_type_oid_index on pg_type td (cost=0.28..0.32 rows=1 width=73)
Index Cond: (oid = tb.typelem)
SubPlan 1
-> Seq Scan on pg_namespace (cost=0.00..1.05 rows=1 width=64)
Filter: (oid = COALESCE(td.typnamespace, tb.typnamespace, t.typnamespace))
SubPlan 2
-> Aggregate (cost=0.01..0.01 rows=1 width=32)
-> Seq Scan on pg_enum (cost=0.00..0.00 rows=1 width=64)
Filter: (enumtypid = COALESCE(td.oid, tb.oid, a.atttypid))