[HIVE-21687] LLAP: LlapBaseInputFormat.getSplits(..., 0) should use LIMIT 0 query - ASF JIRA

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Details

Type: Bug
Status: Open
Priority: Minor
Resolution: Unresolved
Affects Version/s: None
Fix Version/s: None
Component/s: None
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None

Description

The 0 split query is useful in ensuring that the user has access to the tables and getting the result schema.

There's a fast-path for Tableau for "LIMIT 0" queries which can be used for this without touching the get_splits UDTF.

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Assignee:: Unassigned Assign to me

Reporter:: Gopal Vijayaraghavan

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Dates

Created:: 03/May/19 06:03

Updated:: 03/May/19 06:03

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LLAP: LlapBaseInputFormat.getSplits(..., 0) should use LIMIT 0 query