Mithun Radhakrishnan created HCATALOG-561:
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Summary: HCatClient should differentiate between "partition not
available" and other generic errors.
Key: HCATALOG-561
URL: https://issues.apache.org/jira/browse/HCATALOG-561
Project: HCatalog
Issue Type: Bug
Components: client
Affects Versions: 0.4
Reporter: Mithun Radhakrishnan
Assignee: Mithun Radhakrishnan
Fix For: 0.5, 0.4.1
In its current form, HCatClient::getPartition() throw the same HCatException
for the following cases:
1. When the client fails to connect to the HCat-server (because of network
error or downtime).
2. When the partition specified by the partition-spec doesn't exist.
There really should be a distinction between these cases. #1 is an exceptional
case that we don't expect to happen often. #2, on the other hand, is a valid
return, that's likely to happen. It might make sense to continue to throw
exceptions for #1, but return a null (or throw a different, more specific
exception) for #2.
The same holds for HCatClient::listPartitionsByFilter().
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