[GitHub] [doris] qzsee commented on a diff in pull request #10462: [Enhancement](Nereids) push down predicate through join

[GitBox <gi...@apache.org>]

qzsee commented on code in PR #10462:
URL: https://github.com/apache/doris/pull/10462#discussion_r908110764


##########
fe/fe-core/src/main/java/org/apache/doris/nereids/jobs/Job.java:
##########
@@ -57,7 +58,7 @@ public RuleSet getRuleSet() {
     public List<Rule<NODE_TYPE>> getValidRules(GroupExpression groupExpression,
             List<Rule<NODE_TYPE>> candidateRules) {
         return candidateRules.stream()
-                .filter(rule -> rule.getPattern().matchOperator(groupExpression.getOperator())
+                .filter(rule -> Objects.nonNull(rule) && rule.getPattern().matchOperator(groupExpression.getOperator())

Review Comment:
   prevent null cases



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