--  pg_jsonschema-compatible functions
-- Valid JSON
SELECT json_matches_schema('{"type": "object"}', '{"hi": "there"}');
 json_matches_schema 
---------------------
 t
(1 row)

SELECT jsonb_matches_schema('{"type": "object"}', '{"hi": "there"}');
 jsonb_matches_schema 
----------------------
 t
(1 row)

-- Invalid JSON
SELECT json_matches_schema('{"type": "object"}', '["not an object"]');
INFO:  jsonschema validation failed with file:///schema.json#
- at '': want object, but got array
 json_matches_schema 
---------------------
 f
(1 row)

SELECT jsonb_matches_schema('{"type": "object"}', '["not an object"]');
INFO:  jsonschema validation failed with file:///schema.json#
- at '': want object, but got array
 jsonb_matches_schema 
----------------------
 f
(1 row)

-- Invalid schema
SELECT json_matches_schema('{"type": "nonesuch"}', '{"x": "y"}');
ERROR:  file:///schema.json is not valid against metaschema: jsonschema validation failed with https://json-schema.org/draft/2020-12/schema#
- at '/type': anyOf failed
  - at '/type': value must be one of 'array', 'boolean', 'integer', 'null', 'number', 'object', 'string'
  - at '/type': want array, but got string
SELECT jsonb_matches_schema('{"type": "nonesuch"}', '{"x": "y"}');
ERROR:  file:///schema.json is not valid against metaschema: jsonschema validation failed with https://json-schema.org/draft/2020-12/schema#
- at '/type': anyOf failed
  - at '/type': value must be one of 'array', 'boolean', 'integer', 'null', 'number', 'object', 'string'
  - at '/type': want array, but got string
-- NULL instance
SELECT json_matches_schema('{"type": "object"}', NULL);
 json_matches_schema 
---------------------
 
(1 row)

SELECT jsonb_matches_schema('{"type": "object"}', NULL);
 jsonb_matches_schema 
----------------------
 
(1 row)

-- NULL schema
SELECT json_matches_schema(NULL, '{"x": "y"}');
 json_matches_schema 
---------------------
 
(1 row)

SELECT jsonb_matches_schema(NULL, '{"x": "y"}');
 jsonb_matches_schema 
----------------------
 
(1 row)