[ https://issues.apache.org/jira/browse/ARROW-2341?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wes McKinney resolved ARROW-2341. --------------------------------- Resolution: Fixed Fix Version/s: 0.10.0 Issue resolved by pull request 1778 [https://github.com/apache/arrow/pull/1778] > [Python] pa.union() mode argument unintuitive > --------------------------------------------- > > Key: ARROW-2341 > URL: https://issues.apache.org/jira/browse/ARROW-2341 > Project: Apache Arrow > Issue Type: Improvement > Components: Python > Affects Versions: 0.9.0 > Reporter: Antoine Pitrou > Assignee: Antoine Pitrou > Priority: Major > Labels: pull-request-available > Fix For: 0.10.0 > > > {code:python} > >>> pa.union([pa.field('x', pa.int16())], 'sparse') > UnionType(union[dense]<x: int16=0>) > >>> pa.union([pa.field('x', pa.int16())], 'dense') > UnionType(union[dense]<x: int16=0>) > >>> pa.union([pa.field('x', pa.int16())], 42) > UnionType(union[dense]<x: int16=0>) > {code} > I would suggest allowing "sparse" and "dense" strings as aliases to the > internal enum values, and disallowing everything else. -- This message was sent by Atlassian JIRA (v7.6.3#76005)