jsonb_populate_record_valid ( base anyelement, from_json json ) → booleanFunction for testing
jsonb_populate_record. Returns true if the input jsonb_populate_record would finish without an error for the given input JSON object; that is, it's valid input, false otherwise.select jsonb_populate_record_valid(NULL::jsb_char2, '{"a": "aaa"}'); → jsonb_populate_record_valid
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f
(1 row)select * from jsonb_populate_record(NULL::jsb_char2, '{"a": "aaa"}') q; → ERROR: value too long for type character(2)select jsonb_populate_record_valid(NULL::jsb_char2, '{"a": "aa"}'); → jsonb_populate_record_valid
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t
(1 row)select * from jsonb_populate_record(NULL::jsb_char2, '{"a": "aa"}') q; → a
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aa
(1 row)