internal static Statistics Create(IntPtr handle)
{
if (handle == IntPtr.Zero)
{
return(null);
}
var parquetHandle = new ParquetHandle(handle, Statistics_Free);
try
{
var type = ExceptionInfo.Return <PhysicalType>(handle, Statistics_Physical_Type);
switch (type)
{
case PhysicalType.Boolean:
return(new Statistics <bool>(parquetHandle));
case PhysicalType.Int32:
return(new Statistics <int>(parquetHandle));
case PhysicalType.Int64:
return(new Statistics <long>(parquetHandle));
case PhysicalType.Int96:
return(new Statistics <Int96>(parquetHandle));
case PhysicalType.Float:
return(new Statistics <float>(parquetHandle));
case PhysicalType.Double:
return(new Statistics <double>(parquetHandle));
case PhysicalType.ByteArray:
return(new Statistics <ByteArray>(parquetHandle));
case PhysicalType.FixedLenByteArray:
return(new Statistics <FixedLenByteArray>(parquetHandle));
default:
throw new NotSupportedException($"Physical type {type} is not supported");
}
}
catch
{
parquetHandle.Dispose();
throw;
}
}
internal static ColumnReader Create(IntPtr handle, ColumnChunkMetaData columnChunkMetaData)
{
var parquetHandle = new ParquetHandle(handle, ColumnReader_Free);
try
{
var type = ExceptionInfo.Return <PhysicalType>(handle, ColumnReader_Type);
switch (type)
{
case PhysicalType.Boolean:
return(new ColumnReader <bool>(parquetHandle, columnChunkMetaData));
case PhysicalType.Int32:
return(new ColumnReader <int>(parquetHandle, columnChunkMetaData));
case PhysicalType.Int64:
return(new ColumnReader <long>(parquetHandle, columnChunkMetaData));
case PhysicalType.Int96:
return(new ColumnReader <Int96>(parquetHandle, columnChunkMetaData));
case PhysicalType.Float:
return(new ColumnReader <float>(parquetHandle, columnChunkMetaData));
case PhysicalType.Double:
return(new ColumnReader <double>(parquetHandle, columnChunkMetaData));
case PhysicalType.ByteArray:
return(new ColumnReader <ByteArray>(parquetHandle, columnChunkMetaData));
case PhysicalType.FixedLenByteArray:
return(new ColumnReader <FixedLenByteArray>(parquetHandle, columnChunkMetaData));
default:
throw new NotSupportedException($"Physical type {type} is not supported");
}
}
catch
{
parquetHandle.Dispose();
throw;
}
}
