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.
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