Apache Druid: a high performance real-time analytics database.
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Peter Cunningham ede7cf9eef Added support for where clauses to JDBC lookups. (#4643)
* Added support for where clauses to filter lookup values on ingestion.

Added a filter field to the JDBC lookups that is used to generate a
where clause so that only rows matching the filter value will be
brought into Druid. Example being filter="SOMECOLUMN=1"

* Required changes based on code review.

* Required changes based on code review.

* Added support for where clauses to filter lookup values on ingestion.

Added a filter field to the JDBC lookups that is used to generate a
where clause so that only rows matching the filter value will be
brought into Druid. Example being filter="SOMECOLUMN=1"

* Updates based on code review, mainly formatting and small refactor of
the buildLookupQuery method.

* Fixed broken buildLookupQuery method

* Removed empty line.

* Updates per review comments
2017-08-09 10:47:46 -07:00
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aws-common Make AWSCredentialsConfig use PasswordProvider for the string matter (#4613) 2017-07-29 15:48:49 -07:00
benchmarks Polymorphic numeric getters for ColumnValueSelector (#4623) 2017-08-08 18:38:06 -07:00
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distribution Redis cache extension (#4615) 2017-08-08 10:11:45 -07:00
docs Added support for where clauses to JDBC lookups. (#4643) 2017-08-09 10:47:46 -07:00
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extensions-core Added support for where clauses to JDBC lookups. (#4643) 2017-08-09 10:47:46 -07:00
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indexing-hadoop Passing lockTimeout as a parameter for TaskLockbox.lock() (#4549) 2017-08-08 18:21:07 -07:00
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java-util TaskMaster deadlock fix (#4548) 2017-08-07 14:28:43 -07:00
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server Polymorphic numeric getters for ColumnValueSelector (#4623) 2017-08-08 18:38:06 -07:00
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README.md

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Druid

Druid is a distributed, column-oriented, real-time analytics data store that is commonly used to power exploratory dashboards in multi-tenant environments.

Druid excels as a data warehousing solution for fast aggregate queries on petabyte sized data sets. Druid supports a variety of flexible filters, exact calculations, approximate algorithms, and other useful calculations.

Druid can load both streaming and batch data and integrates with Samza, Kafka, Storm, Spark, and Hadoop.

License

Apache License, Version 2.0

More Information

More information about Druid can be found on http://www.druid.io.

Documentation

You can find the documentation for the latest Druid release on the project website.

If you would like to contribute documentation, please do so under /docs/content in this repository and submit a pull request.

Getting Started

You can get started with Druid with our quickstart.

Reporting Issues

If you find any bugs, please file a GitHub issue.

Community

Community support is available on the druid-user mailing list(druid-user@googlegroups.com).

Development discussions occur on the druid-development list(druid-development@googlegroups.com).

We also have a couple people hanging out on IRC in #druid-dev on irc.freenode.net.

Contributing

Please follow the guidelines listed here.