optimize buffer build#77

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FelixYBW wants to merge 10 commits intooap-project:arrow-4.0.0-oapfrom

FelixYBW:arrow-4.0.0-oap

Commits on Sep 30, 2021

expose fragment.scan function
binwei
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Commits on Nov 3, 2021

Merge branch 'arrow-4.0.0-oap' of https://github.com/oap-project/arrow into arrow-4.0.0-oap
binwei
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Commits on Nov 30, 2021

Merge branch 'arrow-4.0.0-oap' of https://github.com/oap-project/arrow into arrow-4.0.0-oap
binwei
committed

Commits on Jan 11, 2022

specify int32_t for buffer_builder
binwei
committed

Commits on Jan 12, 2022

1. add prefetch to build buffer
binwei
committed
expose fragment.scan function
binwei
committed
specify int32_t for buffer_builder
binwei
committed
1. add prefetch to build buffer
binwei
committed
set int32_t buffer prefetch bytes to 1*4
binwei
committed
Merge branch 'arrow-4.0.0-oap' of https://github.com/FelixYBW/arrow into arrow-4.0.0-oap
binwei
committed