Wes McKinney created ARROW-1560:
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Summary: [C++] Kernel implementations for "match" function
Key: ARROW-1560
URL: https://issues.apache.org/jira/browse/ARROW-1560
Project: Apache Arrow
Issue Type: New Feature
Components: C++
Reporter: Wes McKinney
Match computes a position index array from an array values into a set of
categories
{code}
match(['a', 'b', 'a', null, 'b', 'a', 'b'], ['b', 'a'])
return [1, 0, 1, null, 0, 1, 0]
{code}
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