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