Re: Make COPY extendable in order to support Parquet and other formats

Hi,

On 2022-06-23 11:38:29 +0300, Aleksander Alekseev wrote:
> > I know little about parquet - can it support FROM STDIN efficiently?
> 
> Parquet is a compressed binary format with data grouped by columns
> [1]. I wouldn't assume that this is a primary use case for this
> particular format.

IMO decent COPY FROM / TO STDIN support is crucial, because otherwise you
can't do COPY from/to a client. Which would make the feature unusable for
anybody not superuser, including just about all users of hosted PG.

Greetings,

Andres Freund