Todd Lipcon created HIVE-21667:
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Summary: Bad error message when non-ACID files are put in an
insert_only ACID table
Key: HIVE-21667
URL: https://issues.apache.org/jira/browse/HIVE-21667
Project: Hive
Issue Type: Bug
Components: Transactions
Affects Versions: 3.1.0
Reporter: Todd Lipcon
I created an insert_only transactional table, and then dropped a text file into
the table's directory from a non-transaction-aware client. When I next queried
the table, I got the following error:
Error: java.io.IOException: java.io.IOException: Not a file:
hdfs://localhost:20500/test-warehouse/trans/delta_0000002_0000002_0000
(state=,code=0)
It seems that Hive saw the non-ACID file and fell back to some kind of non-ACID
reader path, but then got confused by the delta directory. This case should
either fall back to gracefully reading the file, or give an error message like
"Unexpected file not conforming to ACID layout: <path>. Data must be loaded
using into transactional tables LOAD DATA." or something.
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