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

Andres Freund <andres@anarazel.de> writes:
> On 2022-06-22 16:59:16 +0530, Ashutosh Bapat wrote:
>> IIUC, you want extensibility in FORMAT argument to COPY command
>> https://www.postgresql.org/docs/current/sql-copy.html. Where the
>> format is pluggable. That seems useful.

> Agreed.

Ditto.

> I suspect that we'd first need a patch to refactor the existing copy code a
> good bit to clean things up. After that it hopefully will be possible to plug
> in a new format without being too intrusive.

I think that step 1 ought to be to convert the existing formats into
plug-ins, and demonstrate that there's no significant loss of performance.

            regards, tom lane