2010/3/29 Andrus <kobruleht2@xxxxxx>:
> Pavel,
>
>> CREATE OR REPLACE FUNCTION unnest(anyarray)
>> RETURNS SETOF anyelement as $$
>> SELECT $1[i] FROM generate_series(1,4) g(i)
>> $$ LANGUAGE sql;
>>
>> pavel@postgres:5481=# select unnest(string_to_array('23,2,3,4,5',','));
>> unnest
>> --------
>> 23
>> 2
>> 3
>> 4
>> (4 rows)
>
> Result is wrong: it must contain 5 rows.
> How to make this work with with any array size ?
CREATE OR REPLACE FUNCTION unnest(anyarray)
RETURNS SETOF anyelement as $$
SELECT $1[i] FROM
generate_series(array_lower($1,1),array_upper($1,1)) g(i) -- there was
error
$$ LANGUAGE sql;
regards
Pavel
>
> Some lines are long.
> How to implement word wrap to new row in 80th position but between words
> only ?
>
> Andrus.
>
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