Benny Halevy 4b46793c19 row_cache: scanning_and_populating_reader: add _read_next_partition flag ...

Instead of resetting _reader in scanning_and_populating_reader::fill_buffer
in the `reader_finished` case, use a gentler, _read_next_partition flag
on which `read_next_partition` will be called in the next iteration.

Then, read_next_partition can close _reader only before overwriting it
with a new reader.  Otherwise, if _reader is always closed in the
``reader_finished` case, we end up hitting premature end_of_stream.

Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
Message-Id: <20210215101254.480228-30-bhalevy@scylladb.com>

2021-02-17 19:06:21 +02:00

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