[SPARK-25863][SPARK-21871][SQL] Check if code size statistics is empt…

…y or not in updateAndGetCompilationStats ## What changes were proposed in this pull request? `CodeGenerator.updateAndGetCompilationStats` throws an unsupported exception for empty code size statistics. This pr added code to check if it is empty or not. ## How was this patch tested? Pass Jenkins. Closes #23947 from maropu/SPARK-21871-FOLLOWUP. Authored-by: Takeshi Yamamuro <[email protected]> Signed-off-by: Takeshi Yamamuro <[email protected]>
apache · Mar 7, 2019 · 315c95c · 315c95c
1 parent a0e26cf
commit 315c95c
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/...lyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala b/...lyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala
@@ -1352,7 +1352,11 @@ object CodeGenerator extends Logging {
       }
     }.flatten
 
-    codeSizes.max
+    if (codeSizes.nonEmpty) {
+      codeSizes.max
+    } else {
+      0
+    }
   }
 
   /**