Philip Thompson created CASSANDRA-10762:
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Summary: select_distinct_with_deletions_test failing in mixed
version cluster
Key: CASSANDRA-10762
URL: https://issues.apache.org/jira/browse/CASSANDRA-10762
Project: Cassandra
Issue Type: Sub-task
Components: CQL
Reporter: Philip Thompson
Fix For: 3.0.1, 3.1
The dtests
{{upgrade_tests.cql_tests.TestCQLNodes3RF3.select_distinct_with_deletions_test}}
and
{{upgrade_tests.cql_tests.TestCQLNodes2RF1.select_distinct_with_deletions_test}}
are failing.
While in a mixed node state, they do {{'SELECT DISTINCT k FROM t1'}} on this
table
{{CREATE TABLE t1 (k int PRIMARY KEY, c int, v int)}}
More rows than expected are returned. Here is the sample output of one of those
queries. As you can see, there are duplicate values of k returned in a DISTINCT
k query. Seems like a bug when communicating between the 2.2 and 3.0 node.
{code}
[Row(k=5), Row(k=1), Row(k=1), Row(k=8), Row(k=8), Row(k=2), Row(k=2),
Row(k=4), Row(k=4), Row(k=7), Row(k=7), Row(k=6), Row(k=6), Row(k=9), Row(k=9),
Row(k=3), Row(k=3)]
{code}
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