On Fri, Mar 29, 2024 at 12:06 AM Thomas Munro <thomas.mu...@gmail.com> wrote: > Small bug fix: the condition in the final test at the end of > read_stream_look_ahead() wasn't quite right. In general when looking > ahead, we don't need to start a read just because the pending read > would bring us up to stream->distance if submitted now (we'd prefer to > build it all the way up to size io_combine_limit if we can), but if > that condition is met AND we have nothing pinned yet, then there is no > chance for the read to grow bigger by a pinned buffer being consumed. > Fixed, comment updated.
Oops, I sent the wrong/unfixed version. This version has the fix described above.
v13-0001-Provide-vectored-variant-of-ReadBuffer.patch
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v13-0002-Provide-API-for-streaming-relation-data.patch
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v13-0003-Use-streaming-I-O-in-pg_prewarm.patch
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