Hello
I have problem with expressions:
select (select row(ret_num,ret_den) from mp.x_numer(39,32)) = row(32,33);
select mp.x_numer(39,32)) = row(32,33);
both has error:
ERROR: operator does not exist: record = record
LINE 1: ...lect row(ret_num,ret_den) from mp.x_numer(39,32)) = row(32,3...
^
HINT: No operator matches the given name and argument type(s). You may need
to add explicit type casts.
CREATE OR REPLACE FUNCTION mp.x_numer(numer integer, denom integer, OUT
ret_num integer, OUT ret_den integer) AS $$
BEGIN
ret_num := numer + 1;
ret_den := denom * 2;
WHILE floor( ret_num/2 ) = ret_num/2.0 LOOP
ret_num := ret_num/2;
ret_den := ret_den/2;
END LOOP;
RETURN;
END;
$$ LANGUAGE plpgsql IMMUTABLE;
SELECT mp.x_numer(39,32); --> 5,8;
What can be problem?
I use csv version of postgresql
regards
Pavel Stehule
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