KurtYoung commented on a change in pull request #8468:
[FLINK-12399][table][table-planner] Fix FilterableTableSource does not change
after applyPredicate
URL: https://github.com/apache/flink/pull/8468#discussion_r334389384
##########
File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/plan/rules/logical/PushFilterIntoTableSourceScanRule.scala
##########
@@ -103,7 +104,18 @@ class PushFilterIntoTableSourceScanRule extends
RelOptRule(
val remainingPredicates = new util.LinkedList[Expression]()
predicates.foreach(e => remainingPredicates.add(e))
- val newRelOptTable = applyPredicate(remainingPredicates, relOptTable,
relBuilder.getTypeFactory)
+ val newRelOptTable: FlinkRelOptTable =
+ applyPredicate(remainingPredicates, relOptTable,
relBuilder.getTypeFactory)
+ val newTableSource =
newRelOptTable.unwrap(classOf[TableSourceTable[_]]).tableSource
+ val oldTableSource =
relOptTable.unwrap(classOf[TableSourceTable[_]]).tableSource
+
+ if (remainingPredicates.size() > 0
Review comment:
unnecessary check for remainingPredicates?
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