Eugene Koifman created HIVE-18135:
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Summary: Add validation to check if schema matches?
Key: HIVE-18135
URL: https://issues.apache.org/jira/browse/HIVE-18135
Project: Hive
Issue Type: Sub-task
Components: Transactions
Reporter: Eugene Koifman
LoadSemanticAnalyzer.ensureFileFormatsMatch() checks InputFormats.
Should it also check to make sure schema matches or will schema evolution logic
for ORC handle this.
Should it check that Acid metadata (ROW__ID) is not embedded in the data - if
the file was originally take from an acid table. This will break reads.
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