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Posted to dev@hive.apache.org by "slim bouguerra (JIRA)" <ji...@apache.org> on 2018/04/10 21:28:00 UTC
[jira] [Created] (HIVE-19157) Assert that Insert into Druid Table
it fails.
slim bouguerra created HIVE-19157:
-------------------------------------
Summary: Assert that Insert into Druid Table it fails.
Key: HIVE-19157
URL: https://issues.apache.org/jira/browse/HIVE-19157
Project: Hive
Issue Type: Bug
Reporter: slim bouguerra
Assignee: slim bouguerra
The usual work flow of loading Data into Druid relies on the fact that HS2 is able to load Segments metadata from HDFS that are produced by LLAP/TEZ works.
In some cases where HS2 is not able to perform `ls` on the HDFS path the insert into query will return success and will not insert any data.
This bug was introduced at function {code} org.apache.hadoop.hive.druid.DruidStorageHandlerUtils#getCreatedSegments{code}
when we added feature to allow create empty tables.
{code}
try {
fss = fs.listStatus(taskDir);
} catch (FileNotFoundException e) {
// This is a CREATE TABLE statement or query executed for CTAS/INSERT
// did not produce any result. We do not need to do anything, this is
// expected behavior.
return publishedSegmentsBuilder.build();
}
{code}
Am still looking for the way to fix this, [~jcamachorodriguez]/[~ashutoshc] any idea what is the best way to detect that it is an empty create table statement?
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