Vaibhav Gumashta created ORC-437:
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Summary: Make acid schema checks case insensitive
Key: ORC-437
URL: https://issues.apache.org/jira/browse/ORC-437
Project: ORC
Issue Type: Bug
Components: Java
Affects Versions: 1.5.3
Reporter: Vaibhav Gumashta
When reading from an Orc file, SchemaEvolution evolution tries to determine if
this is an Acid compliant format by comparing field names with Acid event names
in {{SchemaEvolution.checkAcidSchema}}. Would be good to make this comparison
case insensitive.
This requirement comes in from HIVE-20699 where a Hive query is being used to
run compaction (and hence write the compacted data to the bucket files via a
HiveQL query). Since hive converts all column names to lower case, the
compacted files end up with lower case Acid schema columns. The change is much
simpler when made in Orc.
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