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The following companies and projects are powered by Apache Calcite.

Companies and projects

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Alibaba MaxCompute

Alibaba ’s MaxCompute big data computing and storage platformuses Calcite for cost-based query optimization.

Apache Apex

Apache Apex uses Calcite for parsing streaming SQL and query optimization.

Apache Beam

Apache Beam uses Calcite for parsing and optimizing SQL.

Apache Drill

Apache Drill uses Calcite for SQL parsing and query optimization.

Apache Flink uses Calcite for parsing both regular and streaming SQL,and for query optimization.

Apache Hive

Apache Hive uses Calcite for cost-based query optimization.

Apache Kylin

Apache Kylin uses Calcite for SQL parsing and query optimization.

Apache Phoenix

Apache Phoenix uses Calcite for SQL parsing and query optimization (under development) ,and also uses Avatica for its remote JDBC driver.

Apache Samza

SamzaSQL ,an extension to Apache Samza ,uses Calcite for parsing streaming SQL and query optimization.

Apache Storm

Apache Storm uses Calcite for parsing streaming SQL and query optimization.

AthenaX

Uber ’s SQL-based streaming analytics platform AthenaX uses Calcite for parsing SQL and query optimization.

Cascading

Lingual component provides a SQL interface to Cascading .

Dremio

Dremio uses Calcite for SQL parsing and cost-based query optimization.

HerdDB

HerdDB is a distributed JVM-Embeddable Database built on top of Apache BookKeeper .It uses Calcite as its SQL Planner.

OmniSci

OmniSci is a GPU-powered database and visual analytics platform forinteractive exploration of large datasets.

Qubole Quark

Quark is a data virtualization engine over analytic databases.It uses Calcite to transparently rewrite queries to use materialized views.

SQL-Gremlin

SQL-Gremlin is a SQL interface to a Apache TinkerPop -enabledgraph database.