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datafusion/physical-optimizer/src/limit_pushdown.rs

@@ -247,7 +247,7 @@ pub fn pushdown_limit_helper(
             }
         } else {
             // Add fetch or a `LimitExec`:
-            // If the plan's children have limit, we shouldn't change the global state to true,
+            // If the plan's children have limit and the child's limit < parent's limit, we shouldn't change the global state to true,
             // because the children limit will be overridden if the global state is changed.
             if pushdown_plan
                 .children()