maheshgpai / hltest

Parquet Schema

message Data {
    required binary AttributeName (STRING);
    required binary HLLBytes;
    required binary HLLHexBytes;
}

Athena Table

CREATE EXTERNAL TABLE HLLTestTable(
  attributename string,
  hllBytes binary,
  hllHexBytes string)
STORED AS PARQUET
LOCATION 's3://<S3BucketName>'

Execution Step

1. mvn clean install
2. rm -f /tmp/test.parquet (If file exists)
3. java -jar target/hlltest-1.0-SNAPSHOT-jar-with-dependencies.jar
4. Copy /tmp/test.parquet to the appropriate S3 bucket.