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Luke Cwik commented on BEAM-2445: --------------------------------- This could be used to register tables as well but I'm not sure if there is much value in libraries registering tables within the global namespace. > DSL SQL to use service locator pattern to automatically register UDFs > --------------------------------------------------------------------- > > Key: BEAM-2445 > URL: https://issues.apache.org/jira/browse/BEAM-2445 > Project: Beam > Issue Type: Improvement > Components: dsl-sql > Reporter: Luke Cwik > Assignee: Xu Mingmin > Priority: Minor > Labels: dsl_sql_merge > > Use a service locator pattern to find UDFs that can be registered. The > service loader can be used to register UDFs for standard functions via DSL > SQL, additional UDFs registered by third party libraries, and end user > created UDFs. > Example ServiceLoader usage within Apache Beam to find coder providers: > https://github.com/apache/beam/blob/7126fdc6ee5671e99a2dede3f25ba616aa0e8fa4/sdks/java/core/src/main/java/org/apache/beam/sdk/coders/CoderRegistry.java#L147 -- This message was sent by Atlassian JIRA (v6.4.14#64029)