[SPARK-34952][SQL] Aggregate (Min/Max/Count) push down for Parquet#32049

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huaxingao wants to merge 30 commits intoapache:masterfrom

huaxingao:parquet-agg-pushdown

Commits on Apr 26, 2021

init work for parquet aggregate push down

Huaxin Gao
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huaxingao
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change count

Huaxin Gao
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huaxingao
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change countpwd

Huaxin Gao
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[SPARK-34952][SQL] Aggregate (Min/Max/Count) push down for Parquet

Huaxin Gao
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huaxingao
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remove blank
huaxingao
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fix build failure
huaxingao
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address comments
huaxingao
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minor
huaxingao
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throw Exception if statics is not available in parquet + code clean up
huaxingao
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fix build failure
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rewrite count to sum for pushed down count
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remove unnessary change in Count
huaxingao
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Commits on Apr 28, 2021

Commits on May 15, 2021

Commits on May 28, 2021

Commits on Jun 9, 2021

Commits on Jun 16, 2021

not push down agg if it has timestamp (INT96 is sort order is undefined)
huaxingao
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Commits on Jun 18, 2021

address comments
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Commits on Jun 23, 2021

Commits on Jul 2, 2021

remove completely push down status
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Commits on Jul 12, 2021

address comments
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Commits on Jul 13, 2021

Commits on Jul 14, 2021

address comments
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