[GLUTEN-4889][VL] feat: Support approx_percentile aggregate function#11651

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Yizhou-Yang wants to merge 17 commits intoapache:mainfrom

Yizhou-Yang:percentile0225

Commits on Mar 10, 2026

feat:support gluten-level approx_percentile
yizhouyang
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copied clickhouse related changes
yizhouyang
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address comments
yizhouyang
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remove optimizer tricks so that signature is consistent with vanilla spark
yizhouyang
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pick approx_percentile changes from 47fc0fdf 5e6e1e9c 4d459e1f: convert VeloxApproximatePercentile to DeclarativeAggregate with KLL sketch
yizhouyang
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1）add partial fallback native spark implementation 2)add corresponding ut
yizhouyang
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remove extra config
yizhouyang
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remove extra file
yizhouyang
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remove extra file
yizhouyang
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remove extra file
yizhouyang
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checkstyle
yizhouyang
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remove optimizer tricks so that signature is consistent with vanilla spark
yizhouyang
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resolve conflict markers in CHSparkPlanExecApi.scala and remove CH-backend ApproximatePercentile registration (Velox PR only)
yizhouyang
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remove ck api change
yizhouyang
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Clear UPSTREAM_VELOX_PR_ID for developer testing
jinchengchenghh
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fix approx_percentile test: add more data points to make median deterministic across Spark and Velox implementations
yizhouyang
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Merge branch 'main' into percentile0225
Yizhou-Yang
authored