Nadav Har'El 5b08ec3d2c alternator: error on unsupported ScanIndexForward=false ...

We do not yet support the ScanIndexForward=false option for reversing
the sort order of a Query operation, as reported in issue #5153.
But even before implementing this feature, it is important that we
produce an error if a user attempts to use it - instead of outright
ignoring this parameter and giving the user wrong results. This is
what this patch does.

Before this patch, the reverse-order query in the xfailing test
test_query.py::test_query_reverse seems to succeed - yet gives
results in the wrong order. With this patch, the query itself fails -
stating that the ScanIndexForward=false argument is not supported.

Refs #5153

Signed-off-by: Nadav Har'El <nyh@scylladb.com>
Message-Id: <20200105113719.26326-1-nyh@scylladb.com>

2020-01-14 10:01:06 +02:00

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