org.apache.impala impala-parent 4.4.0-SNAPSHOT 4.0.0 nested-table-flattener Impala Nested Table Flattener jar org.apache.maven.plugins maven-compiler-plugin 3.11.0 1.8 1.8 org.apache.hadoop hadoop-client ${hadoop.version} org.apache.parquet parquet-avro org.kitesdk kite-data-core ${kite.version} com.twitter parquet-avro