Re: Trying out read streams in pgvector (an extension)

Hi,

On Wed, 19 Nov 2025 at 00:17, Melanie Plageman
<melanieplageman@gmail.com> wrote:
>
> To make sure 1) distance isn't reset to a resume_distance from
> read_stream_begin_relation() and 2) unexpected buffers aren't returned
> from the read stream, we could error out in read_stream_resume() if
> pinned_buffers > 0. And in read_stream_reset(), we would save distance
> in resume_distance before clearing distance. That would allow calling
> read_stream_resume() either if you called read_stream_reset() or if
> you exhausted the stream yourself. See rough attached patch for a
> sketch of this.

This looks correct to me. What do you think about using an assert
instead of erroring out?

-- 
Regards,
Nazir Bilal Yavuz
Microsoft