Use a hashset-based storage strategy for cached blocks.
GDAL_OF_DEFAULT_BLOCK_ACCESS, GDAL_OF_ARRAY_BLOCK_ACCESS and GDAL_OF_HASHSET_BLOCK_ACCESS are mutually exclusive.
Used by GDALOpenEx(). @since GDAL 2.1
See Source File
Use a hashset-based storage strategy for cached blocks.
GDAL_OF_DEFAULT_BLOCK_ACCESS, GDAL_OF_ARRAY_BLOCK_ACCESS and GDAL_OF_HASHSET_BLOCK_ACCESS are mutually exclusive.
Used by GDALOpenEx(). @since GDAL 2.1