pitrou commented on a change in pull request #9130:
URL: https://github.com/apache/arrow/pull/9130#discussion_r557407889



##########
File path: python/pyarrow/_dataset.pyx
##########
@@ -1403,6 +1403,25 @@ cdef class PartitioningFactory(_Weakrefable):
         return self.wrapped
 
 
+cdef vector[shared_ptr[CArray]] _partitioning_dictionaries(
+        Schema schema, dictionaries) except *:
+    cdef:
+        vector[shared_ptr[CArray]] c_dictionaries
+
+    dictionaries = list(dictionaries or [])[:len(schema)]
+    while len(dictionaries) < len(schema):
+        dictionaries.append(None)
+
+    for field, dictionary in zip(schema, dictionaries):
+        if (isinstance(field.type, pa.DictionaryType) and
+                dictionary is not None):
+            c_dictionaries.push_back(pyarrow_unwrap_array(dictionary))
+        else:
+            c_dictionaries.push_back(<shared_ptr[CArray]> nullptr)

Review comment:
       `dictionary` is ignored here? That doesn't sound right.




----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

For queries about this service, please contact Infrastructure at:
us...@infra.apache.org


Reply via email to