d = 2 order by
> cast(string_to_array(ltree2text(path),'.') as integer[]);
>
> 2011/7/21 Ivan Polak
>>
>> hi, thank you, but there is error:
>>
>> ERROR: cannot cast type ltree to text
>> LINE 1: ... article_id = 2 order by string_to_array(path::tex
:text,'.')::integer[];
>
> 2011/7/21 Ivan Polak
>>
>> Hi, thank you for your answer, please can You send me complete select
>> command how to convert ltree column to integer[] and use it to order
>> by.
>>
>> thanks
>>
>> Ivan
>&
Hi, thank you for your answer, please can You send me complete select
command how to convert ltree column to integer[] and use it to order
by.
thanks
Ivan
2011/7/21 pasman pasmański :
> Hi.
>
> You should convert path to integer[].
>
> 2011/7/20, Ivan Polak :
>> Hi,
>
Hi,
in postgreSQL (with LTREE extension) database I have the following
table "comments":
id BIGINT /* id */
article_id BIGINT /*article-id */
parent_id BIGINT
comment TEXT
path LTREE
level INTEGER /* level */
with the following rows:
id article_id comment parent_id path level
1 1 1 1
2 1 b