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forked from apache/calcite

a tailored Apache Calcite for Apache Kylin, more details at http://mail-archives.apache.org/mod_mbox/kylin-dev/201704.mbox/%3CCAF7etT=wEBPKm4C_6ffssQ0=kEhD=j1jz3O9DpjC+Zu9xWU=5A@mail.gmail.com%3E . Isn't AtopCalcite in Kylin enough? It depends on tomcat feature that's no longer supported in tomcat 8

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Kyligence/calcite

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Abount KyCalcite

KyCalcite is a customized calcite for better kylin use.

Naming convension of different branch is kylin-{CALCITE_VERSION}.x, e.g. kylin-1.13.0.x

Naming convension of different releases (the name could be used for creating git tag, or pom version name), is {CALCITE_VERSION}-kylin-r{RELEASE_NUMBER}, e.g. 1.13.0-kylin-r1

For new KyCalcite releases we need to deploy it to our own Nexus server (kynexus.chinaeast.cloudapp.chinacloudapi.cn:8081), if you don't have enough permission please contact [email protected]

Since sonar does not allow overriding formal releases, you might choose to use a snapshot version name, e.g. 1.13.0-kylin-r1-SNAPSHOT

steps:

  1. publish the new kycalcite to nexus server
  2. change kap and kylin's calcite pom dependency version
  3. create a tag for the commit on which the new kycalcite is built from. Don't forget to push tags to server

Apache Calcite

Apache Calcite is a dynamic data management framework.

It contains many of the pieces that comprise a typical database management system but omits the storage primitives. It provides an industry standard SQL parser and validator, a customisable optimizer with pluggable rules and cost functions, logical and physical algebraic operators, various transformation algorithms from SQL to algebra (and the opposite), and many adapters for executing SQL queries over Cassandra, Druid, Elasticsearch, MongoDB, Kafka, and others, with minimal configuration.

For more details, see the home page.

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a tailored Apache Calcite for Apache Kylin, more details at http://mail-archives.apache.org/mod_mbox/kylin-dev/201704.mbox/%3CCAF7etT=wEBPKm4C_6ffssQ0=kEhD=j1jz3O9DpjC+Zu9xWU=5A@mail.gmail.com%3E . Isn't AtopCalcite in Kylin enough? It depends on tomcat feature that's no longer supported in tomcat 8

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