Unsupported Arrow Vector for export: class org.apache.arrow.vector.complex.ListVector #1289
Description
Describe the bug
I am trying to add support for distinct aggregates in #1261.
The test "multiple group-by columns + single aggregate column, with nulls" fails in columnar shuffle when trying to read the output from a partial aggregate, which is a ListVector.
Steps to reproduce
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Expected behavior
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Additional context
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