Hyunsik Choi created TAJO-910:
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Summary: Simple query (non-forwarded query) should be supported
against partition tables.
Key: TAJO-910
URL: https://issues.apache.org/jira/browse/TAJO-910
Project: Tajo
Issue Type: Improvement
Components: distributed query plan, physical operator, tajo master
Reporter: Hyunsik Choi
Fix For: 0.9.0
There are two types of queries according to whether a query is executed across
cluster nodes or not.
We call a query which is executed across cluster nodes *forwarded query*,
meaning that TajoMaster forwards the query to a query master. In contrast, we
call a query without distributed execution *simple query* or *non-forwarded
query*, which executed in only client side. The following query is an example
of simple query.
{code}
select * from table limit 10;
{code}
Currently, simple query is only supported against a normal table. We also
should support it against partitioned tables.
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