ORC: Fix vectorized reads with metadata columns#2241
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@shardulm94 @rdblue @chenjunjiedada @RussellSpitzer @dilipbiswal, could you please review this one? |
rdblue
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Thanks for reviewing, @rdblue @RussellSpitzer! |
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This PR fixes vectorized reads with metadata columns in ORC. Previously, we tried to read
_poscolumn from files and could not build a correct projection as_poswas not in the file.