clintropolis commented on a change in pull request #8566: Upgrade Calcite to
1.21
URL: https://github.com/apache/incubator-druid/pull/8566#discussion_r332785592
##########
File path:
sql/src/main/java/org/apache/druid/sql/calcite/planner/DruidPlanner.java
##########
@@ -232,6 +256,37 @@ public void cleanup(EnumeratorIterator iterFromMake)
}
}
+ @Nullable
+ private RelNode possiblyWrapRootWithOuterLimitFromContext(
+ RelRoot root
+ )
+ {
+ Object outerLimitObj =
plannerContext.getQueryContext().get(PlannerContext.CTX_SQL_OUTER_LIMIT);
+ if (outerLimitObj == null) {
+ return null;
+ }
+ Long outerLimit = DimensionHandlerUtils.convertObjectToLong(outerLimitObj,
true);
+ if (outerLimit == null) {
+ return null;
+ }
+
+ return LogicalSort.create(
+ root.rel,
+ root.collation,
+ makeDecimalLiteral(0),
Review comment:
why decimal instead of like bigint or... something?
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