commit | 83e8e343a6106b71ef3b4161145a58d286c71df1 | [log] [tgz] |
---|---|---|
author | Wonjun Hong <hong.wonjun@gmail.com> | Tue Jun 14 21:56:09 2016 +0900 |
committer | Jihoon Son <jihoonson@apache.org> | Tue Jun 14 21:57:06 2016 +0900 |
tree | 61c85607a2399bb3e21976fc7324e6281e1723ba | |
parent | 132124955d9af4a98ffb9893563be6f212a0c33a [diff] |
TAJO-2163: No error message is showed when query execution failed. Signed-off-by: Jihoon Son <jihoonson@apache.org>
Tajo is a relational and distributed data warehouse system for Hadoop. Tajo is designed for low-latency and scalable ad-hoc queries, online aggregation and ETL on large-data sets by leveraging advanced database techniques. It supports SQL standards. It has its own query engine which allows direct control of distributed execution and data flow. As a result, Tajo has a variety of query evaluation strategies and more optimization opportunities. In addition, Tajo will have a native columnar execution and and its optimizer.
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