Paul Rogers created DRILL-7414:
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Summary: EVF incorrectly sets buffer writer index after rollover
Key: DRILL-7414
URL: https://issues.apache.org/jira/browse/DRILL-7414
Project: Apache Drill
Issue Type: Bug
Reporter: Paul Rogers
Assignee: Paul Rogers
A full test run, with vector validation enabled and with the "new" scan
enabled, revealed the following in {{TestMockPlugin.testSizeLimit()}}:
{noformat}
comments_s20000 - VarCharVector: Row count = 838, but value count = 839
{noformat}
Adding vector validation to the result set loader overflow tests reveals that
the problem is in overflow. In
{{TestResultSetLoaderOverflow.testOverflowWithNullables()}}:
{noformat}
a - RepeatedIntVector: Row count = 2952, but value count = 2953
b - RepeatedVarCharVector: Row count = 2952, but value count = 2953
b - RepeatedVarCharVector: Vector has 2953 values, but offset vector labels
32472 values
c - RepeatedIntVector: Row count = 2952, but value count = 2953
d - RepeatedIntVector: Row count = 2952, but value count = 2953
{noformat}
The problem is that EVF incorrectly sets the offset buffer writer index after a
rollover.
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