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Re: RETURNS TABLE function: ERROR: column reference "word" is ambiguous

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On 08/10/2016 10:05 AM, Alexander Farber wrote:
Thank you Adrian and others -

I am trying to replace INSERT into temp table in my custom function by
RETURN NEXT, but get an error:

    CREATE OR REPLACE FUNCTION words_check_words(
            IN in_uid integer,
            IN in_gid integer,
            IN in_tiles jsonb)
            RETURNS TABLE(word varchar, score integer) AS
    $func$
    .......

                        -- INSERT INTO _words(word, score)
                        -- VALUES (upper(_word), _score);

                        RETURN NEXT (word, score);


ERROR:  RETURN NEXT cannot have a parameter in function with OUT parameters
LINE 98:                         RETURN NEXT (word, score);

With RETURN NEXT you have to build the table a row at a time where RETURN NEXT is in a LOOP. You also need to assign to the OUT parameters, in this case the fields in your RETURN TABLE. So something like, inside LOOP:

word := upper(_word);
score := _score;

RETURN NEXT;

If I am following correctly.


Regards
Alex


--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx


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