Reading and writing Parquet files using ParquetAvro library

parquet_read_write.java

import org.apache.parquet.avro.AvroParquetReader;
import org.apache.parquet.avro.AvroParquetWriter;

ParquetReader<GenericRecord> r = AvroParquetReader.<GenericRecord>builder(new Path("file.parquet"))
                            .withDataModel(GenericData.get())
                            .build();
        
        ParquetWriter<GenericRecord> w = AvroParquetWriter.<GenericRecord>builder(new Path("file2.parquet"))
                            .withDataModel(GenericData.get())
                            .withCompressionCodec(CompressionCodecName.SNAPPY)
                            .withSchema(SCHEMA)
                            .build();
        GenericRecord a;
        while((a = r.read()) != null){                    
            w.write(a);
        }