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36ec1d792e
Add examples from issue #8991 to tests
Both of these tests pass on `cassandra 4.0` but fail on `scylla 4.4.3`
First test tests that selecting values from indexed table using only clustering key returns correct values.
The second test tests that performing this operation requires filtering.
The filtering test looks similar to [the one for #7608](1924e8d2b6/test/cql-pytest/test_allow_filtering.py (L124)) but there are some differences - here the table has two clustering columns and an index, so it could test different code paths.
Contains a quick fix for the `needs_filtering()` function to make these tests pass.
It returns `true` for this case and the one described in #7708.
This implementation is a bit conservative - it might sometimes return `true` where filtering isn't actually needed, but at least it prevents scylla from returning incorrect results.
Fixes #8991.
Fixes #7708.
Closes #8994
* github.com:scylladb/scylla:
cql3: Fix need_filtering on indexed table
cql-pytest: Test selecting using only clustering key requires filtering
cql-pytest: Test selecting from indexed table using clustering key