Alan Gates created ORC-255:
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Summary: Add support for reading ACID2 files to ORC
Key: ORC-255
URL: https://issues.apache.org/jira/browse/ORC-255
Project: ORC
Issue Type: New Feature
Components: ACID
Reporter: Alan Gates
Assignee: Alan Gates
When ORC was split out of Hive the reading and writing of ACID files was left
in Hive. This blocks non-Hive users from reading or writing ACID. I propose
to add support for ACID to ORC.
At this point I only propose to add support for ACID 2 (that is, the version
that will be released in Hive 3, which simplifies the storage to have only
inserts and deletes (updates are an insert plus a delete)).
Also, note that to use this readers and writers would still have to interact
with the Hive metastore to get a list of valid transactions and acquire
appropriate locks.
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