|author||Jinho Kim <firstname.lastname@example.org>||Fri Jul 13 13:03:30 2018 +0900|
|committer||GitHub <email@example.com>||Fri Jul 13 13:03:30 2018 +0900|
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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