Rename variables in splitAndSerializePage for clarity

Author: losipiuk

core/trino-main/src/main/java/io/trino/operator/output/TaskOutputOperator.java

@@ -164,12 +164,12 @@ public void addInput(Page page)
 
     private List<Slice> splitAndSerializePage(Page page)
     {
-        List<Page> split = splitPage(page, DEFAULT_MAX_PAGE_SIZE_IN_BYTES);
-        ImmutableList.Builder<Slice> builder = ImmutableList.builderWithExpectedSize(split.size());
-        for (Page p : split) {
-            builder.add(serializer.serialize(p));
+        List<Page> inputPages = splitPage(page, DEFAULT_MAX_PAGE_SIZE_IN_BYTES);
+        ImmutableList.Builder<Slice> serializedPages = ImmutableList.builderWithExpectedSize(inputPages.size());
+        for (Page inputPage : inputPages) {
+            serializedPages.add(serializer.serialize(inputPage));
         }
-        return builder.build();
+        return serializedPages.build();
     }
 
     @Override