Volodymyr Vysotskyi created DRILL-6641:
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Summary:
TestConvertCountToDirectScan.ensureCorrectCountWithMissingStatistics() test
fails randomly
Key: DRILL-6641
URL: https://issues.apache.org/jira/browse/DRILL-6641
Project: Apache Drill
Issue Type: Bug
Reporter: Volodymyr Vysotskyi
Assignee: Volodymyr Vysotskyi
Fix For: 1.15.0
{{TestConvertCountToDirectScan.ensureCorrectCountWithMissingStatistics()}}
fails randomly with assertion error:
{noformat}
Found unwanted pattern in plan: DynamicPojoRecordReader
00-00 Screen
00-01 Project(cnt_str=[$0], cnt_total=[$1])
00-02 Scan(groupscan=[files =
[/home/vitalii/IdeaProjects/drill-fork/exec/java-exec/target/org.apache.drill.exec.planner.logical.TestConvertCountToDirectScan/dfsTestTmp/1532655133770-0/wide_str_table/0_0_2.parquet,
/home/vitalii/IdeaProjects/drill-fork/exec/java-exec/target/org.apache.drill.exec.planner.logical.TestConvertCountToDirectScan/dfsTestTmp/1532655133770-0/wide_str_table/0_0_1.parquet],
numFiles = 2, DynamicPojoRecordReader{records = [[0, 2]]}])
{noformat}
This test uses a table with two partitions and it may fail when a partition
with set statistics is taken first in the
{{ParquetGroupScanStatistics.collect()}} method, which is indirectly called
from {{ConvertCountToDirectScan}} rule.
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