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Re: Using row_to_json with %ROWTYPE ?

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On 02/05/2015 01:38 PM, Tim Smith wrote:
Hi,

I have a function that broadly looks like this :

create function doStuff() returns json as $$
DECLARE
v_row my_view%ROWTYPE;
BEGIN
select * into strict v_row from my_view where foo=bar;
select row_to_json(v_row) from v_row;
END;
$$ LANGUAGE plpgsql;


However this does not seem to work ?   What am I doing wrong ?

Well for starters is:

select * into strict v_row from my_view where foo=bar;

returning more than one row? v_row can only hold one row at a time.

Given that then:

select row_to_json(v_row) from v_row;

should be:

select row_to_json(v_row);

I would suggest taking a look at:

http://www.postgresql.org/docs/9.3/interactive/plpgsql-control-structures.html#PLPGSQL-RECORDS-ITERATING


Also error messages would be helpful:)



Thanks

Tim




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Adrian Klaver
adrian.klaver@xxxxxxxxxxx


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