ARROW-9827: [C++][Dataset] Skip parsing RowGroup metadata statistics when there is no filter#8037

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jorisvandenbossche:ARROW-9827-dataset-parquet-skip-statistics

Commits on Sep 8, 2020

ARROW-9827: [C++][Dataset] Skip parsing RowGroup metadata statistics when there is no filter
jorisvandenbossche
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still need to get vector of row groups if no filter is specified
jorisvandenbossche
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jorisvandenbossche
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