identity probably refers to the ’IS’: SELECT js, js IS JSON OBJECT "object?", js IS JSON ARRAY "array?", js IS JSON ARRAY WITH UNIQUE KEYS "array w. UK?"

identity probably refers to the ’IS’: SELECT js, js IS JSON OBJECT "object?", js IS JSON ARRAY "array?", js IS JSON ARRAY WITH UNIQUE KEYS "array w. UK?", js IS JSON ARRAY WITHOUT UNIQUE KEYS "array w/o UK?" FROM (VALUES ('[{"a":"1"}, {"b":"2","b":"3"}]')) foo(js);