cgivre commented on a change in pull request #2069:
URL: https://github.com/apache/drill/pull/2069#discussion_r429670873



##########
File path: 
contrib/format-excel/src/main/java/org/apache/drill/exec/store/excel/ExcelBatchReader.java
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@@ -199,7 +245,7 @@ private void getColumnHeaders(SchemaBuilder builder) {
         i++;
       }
       columnWriters = new ArrayList<>(columnCount);
-
+      metadataColumnWriters = new ArrayList<>();

Review comment:
       Moved initialization to top of method.




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