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63132431e8
This patch contains five tests which reproduce three old bugs in
Scylla's handling of multi-column restrictions like (c1,c2)<(1,2).
These old bugs are:
Refs #64 (yes, a two-digit issue!)
Refs #4244
Refs #6200
The three github issues are closely intertwined, exposing the same
or similar bugs in our internal implementation, and I suspect that
eventually most of them could be fixed together.
In writing these tests, I carefully read all three issues and the
various failure scenarios described in them, tried to distill and
simplify the scenarios, and also consider various other broken
variants of the scenarios. The resulting tests are heavily commented,
explaining the motivation of each test and exactly which of the
above bugs it reproduces.
All five tests included in this patch pass on Cassandra and currently
fail on Scylla, so are marked "xfail".
Signed-off-by: Nadav Har'El <nyh@scylladb.com>
Closes #10675