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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/10/19 07:29:38 UTC

[GitHub] [arrow] jorisvandenbossche commented on a change in pull request #11457: ARROW-13784: [Python] Table.from_arrays should raise an error when array is empty but names is not

jorisvandenbossche commented on a change in pull request #11457:
URL: https://github.com/apache/arrow/pull/11457#discussion_r731571317



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File path: python/pyarrow/table.pxi
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@@ -571,6 +571,10 @@ cdef _schema_from_arrays(arrays, names, metadata, shared_ptr[CSchema]* schema):
     if metadata is not None:
         c_meta = KeyValueMetadata(metadata).unwrap()
 
+    if len(names) != K:

Review comment:
       The reason for the error on CI is because now `pa.table([])` is failing (I think because in that case ``names=None``, and then `len(names)` doesn't work)




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