suneet-s commented on a change in pull request #9200: Optimize JoinCondition
matching
URL: https://github.com/apache/druid/pull/9200#discussion_r368080871
##########
File path:
processing/src/main/java/org/apache/druid/segment/join/JoinConditionAnalysis.java
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@@ -133,26 +142,23 @@ public String getOriginalExpression()
*/
public boolean isAlwaysFalse()
{
- return nonEquiConditions.stream()
- .anyMatch(expr -> expr.isLiteral() &&
!expr.eval(ExprUtils.nilBindings()).asBoolean());
+ return anyFalseLiteralNonEquiConditions;
Review comment:
yeah. I wasn't sure if isAlwaysFalse could be more complex going forward.
This is clearer - it took me a while to wrap my head around what isAlwaysFalse
was trying to check. Added comments, and used `isAlways...`
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