private static WriterProperties CreateWriterProperties(FileEncryptionProperties fileEncryptionProperties)
{
using var builder = new WriterPropertiesBuilder();
return(builder
.Compression(Compression.Lz4)
.Encryption(fileEncryptionProperties)
.Build());
}
private static void WriteParquetFile(BufferOutputStream output, FileEncryptionProperties fileEncryptionProperties)
{
using var writerProperties = CreateWriterProperties(fileEncryptionProperties);
using var fileWriter = new ParquetFileWriter(output, Columns, writerProperties);
using var groupWriter = fileWriter.AppendRowGroup();
using (var idWriter = groupWriter.NextColumn().LogicalWriter <int>())
{
idWriter.WriteBatch(Ids);
}
using (var valueWriter = groupWriter.NextColumn().LogicalWriter <float>())
{
valueWriter.WriteBatch(Values);
}
}
