danny0405 commented on a change in pull request #8962: [FLINK-13076]
[table-planner-blink] Bump Calcite dependency to 1.20.0 in blink planner
URL: https://github.com/apache/flink/pull/8962#discussion_r300535389
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File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/plan/rules/logical/LogicalCorrelateToJoinFromTemporalTableRule.scala
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@@ -31,26 +32,65 @@ import org.apache.calcite.rel.logical.{LogicalCorrelate,
LogicalFilter, LogicalS
*/
class LogicalCorrelateToJoinFromTemporalTableRule
extends RelOptRule(
- operand(classOf[LogicalFilter],
- operand(classOf[LogicalCorrelate], some(
- operand(classOf[RelNode], any()),
- operand(classOf[LogicalSnapshot], any())))),
+ operand(classOf[LogicalCorrelate],
+ operand(classOf[RelNode], any()),
+ operand(classOf[RelNode],
+ operand(classOf[RelNode], any()))),
"LogicalCorrelateToJoinFromTemporalTableRule") {
+ override def matches(call: RelOptRuleCall): Boolean = {
+ val rel: RelNode = call.rel(2)
+ rel match {
+ case _: LogicalFilter =>
+ val input: RelNode = call.rel(3)
+ input.isInstanceOf[LogicalSnapshot]
Review comment:
Can we just split this rule into 2 sub-rules, one is with top filter and one
it not.
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