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docker-presto-cluster
presto-udfs
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README.md

README.md

Jampp Presto User Defined Functions

This repository contains the JSON_SUM aggregation function. It combines all the JSONs in a column by adding the shared keys and appending the rest. It's used as an example for our How to write custom Presto functions blogpost.

Testing

The docker-compose and Makefile located in docker-presto-cluster/ are slightly modified versions of the ones found in this repo.

Build image

make

Launch presto

Presto cluster can be launched by using docker-compose.

make run

or

make run-with-logs

Shut presto down

make down