Y Ethan Guo created HUDI-8902:
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Summary: Investigate different read behavior on a field after
promotion from float to double
Key: HUDI-8902
URL: https://issues.apache.org/jira/browse/HUDI-8902
Project: Apache Hudi
Issue Type: Sub-task
Reporter: Y Ethan Guo
Assignee: Davis Zhang
Fix For: 1.0.1
After adding stricter data validation in the test `TestSpark3DDL`.`Test alter
table properties and add rename drop column with table services`, we see that
reading the field value field after promotion from float to double could be
different between COW, MOR, before and after compaction and clustering. The
value has precision difference, e.g., 102.0199966430664 vs 102.02. Right now
the test has to differentiate this by using "getDouble". We should look into
this and see if this is expected, and if the behavior can be made consistent.
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