Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/20670#discussion_r171102033
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/QueryPlanConstraints.scala
---
@@ -23,20 +23,23 @@ import org.apache.spark.sql.catalyst.expressions._
trait QueryPlanConstraints { self: LogicalPlan =>
/**
- * An [[ExpressionSet]] that contains invariants about the rows output
by this operator. For
- * example, if this set contains the expression `a = 2` then that
expression is guaranteed to
- * evaluate to `true` for all rows produced.
- */
+ * An [[ExpressionSet]] that contains an additional set of constraints
about equality
+ * constraints and `isNotNull` constraints.
+ */
+ lazy val allConstraints: ExpressionSet = ExpressionSet(validConstraints
--- End diff --
This should also be guarded by `constraintPropagationEnabled`
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
