commit | fb326195083959014c82c10187cb46de91ece33f | [log] [tgz] |
---|---|---|
author | Jinho Kim <jhkim@apache.org> | Fri Jul 13 13:03:30 2018 +0900 |
committer | GitHub <noreply@github.com> | Fri Jul 13 13:03:30 2018 +0900 |
tree | 5ef391a80f393f950b2798de19d184151d2d41fc | |
parent | f07f0277ab627aa41b69dfb1c344dbd65a7fa3e5 [diff] |
TAJO-2189: Dictionary encoded text in ORC scanner may cause incorrect result. (#1055)
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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