tree a62c1f6f4924b0d93852d11b7a0a5778c76b41c9
parent e228a84d9178cad085497b2aa6e89d246bcf0b36
author kaijianding <kaijian.ding@gmail.com> 1626024167 +0800
committer GitHub <noreply@github.com> 1626024167 -0700
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improve groupBy query granularity translation with 2x query performance improve when issued from sql layer (#11379)

* improve groupBy query granularity translation when issued from sql layer

* fix style

* use virtual column to determine timestampResult granularity

* dont' apply postaggregators on compute nodes

* relocate constants

* fix order by correctness issue

* fix ut

* use more easier understanding code in DefaultLimitSpec

* address comment

* rollback use virtual column to determine timestampResult granularity

* fix style

* fix style

* address the comment

* add more detail document to explain the tradeoff

* address the comment

* address the comment