I went by the example from the docu which went fine:
select * from json_populate_record(null::x, '{"a":1,"b":2}')
But my self-constructed JSON simplified similar to this did not work 🙁
-- p_some_num of type int
select * from json_populate_record( null:my_record_type, '{"a":'||p_some_num||'',"b":2}' )
resulting in:
ERROR: function json_populate_record(my_record_type, text) does not exist
Best Answer
I should have read more carefully and was not aware of the implicit
text
tojson
conversion in the example. After some fiddling around with what was wrong, of course the following works: