Sergey Shelukhin created HIVE-17713:
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Summary: disallow adding/modifying columns for Avro/CSV/etc. SerDes
Key: HIVE-17713
URL: https://issues.apache.org/jira/browse/HIVE-17713
Project: Hive
Issue Type: Bug
Reporter: Sergey Shelukhin
This is kind of a followup from HIVE-11985
When a SerDe uses an external schema (either embedded, or via a file link),
it's not using the information stored in metastore for the columns. So, if the
users modify table schema via add column and other such commands it won't have
effect on serde, since it's using the external schema; leading to confusion and
bugs. We should not allow such a modification for SerDes not in
hive.serdes.using.metastore.for.schema
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