Re: Converting row elements into a arrays?
| От | Ron |
|---|---|
| Тема | Re: Converting row elements into a arrays? |
| Дата | |
| Msg-id | 36f53642-db43-4fc9-028e-8b6cd3dff9b4@gmail.com обсуждение исходный текст |
| Ответ на | Re: Converting row elements into a arrays? (Rob Sargent <robjsargent@gmail.com>) |
| Ответы |
Re: Converting row elements into a arrays?
|
| Список | pgsql-general |
On 3/2/23 15:45, Rob Sargent wrote:
> On 3/2/23 13:58, Ron wrote:
>> Postgresql 12.13
>>
>> Given the sample below, I'm looking for how to generate this output.
>> It's like GROUP BY, but generating an array instead of an aggreate number.
>> f1 | f2_array
>> ----+---------
>> 1 | {1,2,3}
>> 2 | {1,2,3,4}
>> 3 | {1,2}
>>
>> The ultimate goal is to somehow use pg_index.indkey to get column names
>> from pg_attribute.
>>
>> create table foo (f1 int, f2 int);
>> insert into foo values (1, 1);
>> insert into foo values (1, 2);
>>
[snip]
>
> In which environment are you accessing that array? psql only?
Correct.
--
Born in Arizona, moved to Babylonia.
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