presto-sample-udf

Sample UDF Plugin for Presto

How to start Presto UDF

Read the SPI Overview and Functions documentation.

Build

# if mac os
% export JAVA_HOME=`/System/Library/Frameworks/JavaVM.framework/Versions/A/Commands/java_home -v "1.8"`

% ./mvnw clean compile package

deploy

Copy jar file to plugin dir. And, you restart presto server.

% mkdir /usr/lib/presto/lib/plugin/hello/
% cp target/presto-sample-udf-1.0-SNAPSHOT.jar /usr/lib/presto/lib/plugin/hello/
% /usr/lib/presto/bin/launcher restart

Examples

• prestodb-rocks/presto-example-udf: An example implentantion of Presto UDF functions
  Basic UDF sample code and unittest.
• aaronshan/presto-third-functions: Some useful presto custom udf functions
• qubole/presto-udfs: Plugin for Presto to allow addition of user functions easily
  Various UDF Sample Repository.