Sam Tunnicliffe created CASSANDRA-13222:
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Summary: Paging with reverse queries and static columns may return
incorrectly sized pages
Key: CASSANDRA-13222
URL: https://issues.apache.org/jira/browse/CASSANDRA-13222
Project: Cassandra
Issue Type: Bug
Components: CQL, Local Write-Read Paths
Reporter: Sam Tunnicliffe
Assignee: Sam Tunnicliffe
There are 2 specialisations of `ColumnCounter` that deal with static columns
differently depending on the order of iteration through the column family and
which impl is used generally depends on whether or not the `ColumnFilter` in
use is reversed. However, the base method `ColumnCounter::countAll`` always
uses forward iteration, which can result in overcounting when the query is
reversed and there are statics involved. In turn, this leads to incorrectly
sized pages being returned to the client.
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