opt
SELECT * FROM information_schema.schemata WHERE SCHEMA_NAME='public'
----
select
 ├── columns: catalog_name:2!null schema_name:3!null default_character_set_name:4 sql_path:5 crdb_is_user_defined:6
 ├── stats: [rows=10, distinct(3)=1, null(3)=0]
 ├── cost: 1249.15
 ├── fd: ()-->(3)
 ├── scan schemata
 │    ├── columns: catalog_name:2!null schema_name:3!null default_character_set_name:4 sql_path:5 crdb_is_user_defined:6
 │    ├── stats: [rows=1000, distinct(2)=100, null(2)=0, distinct(3)=100, null(3)=0]
 │    └── cost: 1239.12
 └── filters
      └── schema_name:3 = 'public' [outer=(3), constraints=(/3: [/'public' - /'public']; tight), fd=()-->(3)]
