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Nadav Har'El 6cf88812f6 secondary index: fix regression in CREATE INDEX IF NOT EXISTS

The recent commit 0ef0a4c78d added helpful
error messages in case an index cannot be created because the intended
name of its materialized view is already taken - but accidentally broke
the "CREATE INDEX IF NOT EXISTS" feature.

The checking code was correct, but in the wrong place: we need to first
check maybe the index already exists and "IF NOT EXISTS" was chosen -
and only do this new error checking if this is not the case.

This patch also includes a cql-pytest test for reproducing this bug.
The bug is also reproduced by the translated Cassandra unit tests
    cassandra_tests/validation/entities/secondary_index_test.py::
    testCreateAndDropIndex
and this is how I found this bug. After these patch, all these tests
pass.

Fixes #8717.

Signed-off-by: Nadav Har'El <nyh@scylladb.com>
Message-Id: <20210526143635.624398-1-nyh@scylladb.com>
(cherry picked from commit 97e827e3e1)

2021-08-10 18:02:02 +03:00

alternator

alternator: fix equality check of nested document containing a set

2021-06-07 09:10:42 +03:00

boost

LCS/reshape: Don't reshape single sstable in level 0 with strict mode

2021-07-07 14:06:20 +03:00

cql

cql3::restrictions: Add SCYLLA_CLUSTERING_BOUND keyword for sstableloader

2021-03-03 07:06:45 +01:00

cql-pytest

secondary index: fix regression in CREATE INDEX IF NOT EXISTS