milastdbx commented on code in PR #47611:
URL: https://github.com/apache/spark/pull/47611#discussion_r1724706086
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sql/core/src/main/scala/org/apache/spark/sql/catalyst/util/V2ExpressionBuilder.scala:
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@@ -25,15 +27,43 @@ import org.apache.spark.sql.connector.expressions.{Cast =>
V2Cast, Expression =>
import org.apache.spark.sql.connector.expressions.aggregate.{AggregateFunc,
Avg, Count, CountStar, GeneralAggregateFunc, Max, Min, Sum,
UserDefinedAggregateFunc}
import org.apache.spark.sql.connector.expressions.filter.{AlwaysFalse,
AlwaysTrue, And => V2And, Not => V2Not, Or => V2Or, Predicate => V2Predicate}
import org.apache.spark.sql.execution.datasources.PushableExpression
+import org.apache.spark.sql.internal.SQLConf
import org.apache.spark.sql.types.{BooleanType, DataType, IntegerType,
StringType}
/**
* The builder to generate V2 expressions from catalyst expressions.
*/
-class V2ExpressionBuilder(e: Expression, isPredicate: Boolean = false) {
+class V2ExpressionBuilder(e: Expression, isPredicate: Boolean = false) extends
Logging {
def build(): Option[V2Expression] = generateExpression(e, isPredicate)
+ def buildPredicate(): Option[V2Predicate] = {
Review Comment:
these two codes don't do the same thing.
What in current code do you find complex ? IMO current code might be a bit
less in scala spirit but is fairly linear
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