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[GLUTEN-8675][CH] Rewrite union of multiple aggregates into one #8676

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Feb 11, 2025
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[GLUTEN-8675][CH] Rewrite union of multiple aggregates into one #8676

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3 changes: 3 additions & 0 deletions backends-clickhouse/src/main/scala/org/apache/gluten/backendsapi/clickhouse/CHBackend.scala
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Expand Up @@ -156,6 +156,9 @@ object CHBackendSettings extends BackendSettingsApi with Logging {
CHConf.prefixOf("convert.left.anti_semi.to.right")
val GLUTEN_CLICKHOUSE_CONVERT_LEFT_ANTI_SEMI_TO_RIGHT_DEFAULT_VALUE: String = "false"

val GLUTEN_ENABLE_COALESCE_AGGREGATION_UNION: String =
CHConf.prefixOf("enable.coalesce.aggregation.union")

def affinityMode: String = {
SparkEnv.get.conf
.get(
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1 change: 1 addition & 0 deletions backends-clickhouse/src/main/scala/org/apache/gluten/backendsapi/clickhouse/CHRuleApi.scala
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Expand Up @@ -60,6 +60,7 @@ object CHRuleApi {
(spark, parserInterface) => new GlutenCacheFilesSqlParser(spark, parserInterface))
injector.injectParser(
(spark, parserInterface) => new GlutenClickhouseSqlParser(spark, parserInterface))
injector.injectResolutionRule(spark => new CoalesceAggregationUnion(spark))
injector.injectResolutionRule(spark => new RewriteToDateExpresstionRule(spark))
injector.injectResolutionRule(spark => new RewriteDateTimestampComparisonRule(spark))
injector.injectResolutionRule(spark => new CollapseGetJsonObjectExpressionRule(spark))
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