Pavel Stehule wrote:
> 2009/12/17 Andrew Dunstan <andrew@dunslane.net>:
>
>> Recently there was discussion about allowing a COPY statement to be a SELECT
>> target, returning a text array, although the syntax wasn't really nailed
>> down that I recall. I was thinking that we might have
>>
>> COPY RETURNING ARRAY FROM ...
>>
>> instead of
>>
>> COPY tablename opt_column_list FROM ...
>>
>>
>> the we possibly could do things like:
>>
>> SELECT t[5] as a, 3*(t[3]::numeric) as b FROM (COPY RETURNING ARRAY FROM
>> STDIN CSV) as t;
>>
>> Thoughts?
>>
>
> In this case copy doesn't return array - so RETURNING ARRAY is little
> bit strange.
>
> what
>
> SELECT .. FROM (COPY VALUES [(colums)] FROM ....)
>
>
You are misunderstanding what I want to provide, which is that it *does*
return an array of text for each line. That was what the previous
discussion arrived at, and is illustrated in the example I showed above.
cheers
andrew