Size of a column view in bytes may be larger than size_type

Author: wence-

python/pylibcudf/pylibcudf/column.pyx

@@ -7,6 +7,7 @@ from cpython.pycapsule cimport (
     PyCapsule_New,
 )
 
+from libc.stddef cimport size_t
 from libc.stdint cimport uintptr_t
 
 from libcpp.limits cimport numeric_limits
@@ -25,6 +26,7 @@ from pylibcudf.libcudf.interop cimport (
     to_arrow_device_raw,
     to_arrow_schema_raw,
 )
+from pylibcudf.libcudf.null_mask cimport bitmask_allocation_size_bytes
 from pylibcudf.libcudf.scalar.scalar cimport scalar, numeric_scalar
 from pylibcudf.libcudf.types cimport size_type, size_of as cpp_size_of, bitmask_type
 from pylibcudf.libcudf.utilities.traits cimport is_fixed_width
@@ -49,7 +51,6 @@ from ._interop_helpers cimport (
     _release_device_array,
     _metadata_to_libcudf,
 )
-from .null_mask cimport bitmask_allocation_size_bytes
 from .utils cimport _get_stream
 
 from .gpumemoryview import _datatype_from_dtype_desc
@@ -86,7 +87,7 @@ cdef class OwnerWithCAI:
     cdef create(column_view cv, object owner):
         obj = OwnerWithCAI()
         obj.owner = owner
-        cdef int size
+        cdef size_t size
         cdef column_view offsets_column
         cdef unique_ptr[scalar] last_offset
         if cv.type().id() == type_id.EMPTY: