zhaorongsheng commented on a change in pull request #24118: [SPARK-26736][SQL]
if filter condition `And` has non-determined sub function it does not do
partition prunning
URL: https://github.com/apache/spark/pull/24118#discussion_r268244489
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/planning/patterns.scala
##########
@@ -63,10 +63,27 @@ object PhysicalOperation extends PredicateHelper {
val substitutedFields =
fields.map(substitute(aliases)).asInstanceOf[Seq[NamedExpression]]
(Some(substitutedFields), filters, other,
collectAliases(substitutedFields))
- case Filter(condition, child) if condition.deterministic =>
- val (fields, filters, other, aliases) =
collectProjectsAndFilters(child)
- val substitutedCondition = substitute(aliases)(condition)
- (fields, filters ++ splitConjunctivePredicates(substitutedCondition),
other, aliases)
+ case filter: Filter if filter.condition.deterministic ||
filter.condition.isInstanceOf[And] =>
+ val condition = filter.condition
+ val determinedCondition = if (condition.deterministic) {
+ Some(condition)
+ } else {
+ val andCondition = condition.asInstanceOf[And]
+ if (andCondition.left.deterministic) {
Review comment:
@dilipbiswal @maropu It has been updated. Please review it, thanks~~
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