Feast Spark Materialisation

This repo demonstrates an issue with running Spark materialisations in Feast by which the following error is thrown:

pyspark.errors.exceptions.base.PySparkTypeError: [CANNOT_INFER_SCHEMA_FOR_TYPE] Can not infer schema for type: `ChunkedArray`.

To reproduce the issue, follow these steps:

1. Set your JAVA_HOME environment variable to java 17:

export JAVA_HOME=$(/usr/libexec/java_home -v 17)

2. Run make to install and run the example

make run