Caleb Rackliffe created CASSANDRA-20566:
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Summary: RowFilter#isMutableIntersection() does not properly
evaluate numeric ranges with both lower and upper bounds
Key: CASSANDRA-20566
URL: https://issues.apache.org/jira/browse/CASSANDRA-20566
Project: Apache Cassandra
Issue Type: Improvement
Components: Consistency/Coordination, Feature/SAI
Reporter: Caleb Rackliffe
Assignee: Caleb Rackliffe
We treat a {{RowFilter}} as having what we call a “mutable intersection” if it
involves more than one non-primary-key column. (i.e. Primary key elements are
immutable.) A numeric range of the form {{a > 3 AND a < 10}} is being evaluated
as two columns in {{RowFilter#isMutableIntersection()}}, and this is causing
SAI queries that should be able to run as single node read queries (and take
advantage of digests, etc.) to run as range queries. It should be able to
correct this simply by making sure we look at the number of unique mutable
columns involved.
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