| Sort (cost=25329.56..25329.57 rows=1 width=322) |
| Sort Key: fns.nspname, fc.relname, a.attnum |
| -> Nested Loop Left Join (cost=8.88..25329.55 rows=1 width=322) |
| -> Nested Loop Left Join (cost=8.60..25329.24 rows=1 width=289) |
| Join Filter: (fc.relnamespace = fns.oid) |
| -> Nested Loop Left Join (cost=8.60..25328.06 rows=1 width=229) |
| Join Filter: (fc.oid = ct.confrelid) |
| -> Nested Loop (cost=8.60..25183.62 rows=1 width=161) |
| Join Filter: (c.oid = a.attrelid) |
| -> Nested Loop (cost=8.31..25183.30 rows=1 width=126) |
| Join Filter: (c.relnamespace = ns.oid) |
| -> Seq Scan on pg_namespace ns (cost=0.00..1.10 rows=1 width=4) |
| Filter: (nspname = 'global'::name) |
| -> Hash Join (cost=8.31..25182.15 rows=4 width=130) |
| Hash Cond: (ct.conrelid = c.oid) |
| -> ProjectSet (cost=0.00..7208.42 rows=1423000 width=123) |
| -> Seq Scan on pg_constraint ct (cost=0.00..82.75 rows=1423 width=118) |
| Filter: (contype = 'f'::"char") |
| -> Hash (cost=8.30..8.30 rows=1 width=8) |
| -> Index Scan using pg_class_relname_nsp_index on pg_class c (cost=0.28..8.30 rows=1 width=8) |
| Index Cond: (relname = 'tbl_case_challenges'::name) |
| -> Index Scan using pg_attribute_relid_attnum_index on pg_attribute a (cost=0.29..0.31 rows=1 width=70) |
| Index Cond: ((attrelid = ct.conrelid) AND (attnum = (ct.conkey)[(generate_subscripts(ct.conkey, 1))])) |
| -> Seq Scan on pg_class fc (cost=0.00..103.64 rows=3264 width=72) |
| -> Seq Scan on pg_namespace fns (cost=0.00..1.08 rows=8 width=68) |
| -> Index Scan using pg_attribute_relid_attnum_index on pg_attribute fa (cost=0.29..0.31 rows=1 width=70) |
| Index Cond: ((attrelid = ct.confrelid) AND (attnum = (ct.confkey)[(generate_subscripts(ct.conkey, 1))])) |