From 8b7488fa5b0bdf8affa6c994e207440d6dd84b2c Mon Sep 17 00:00:00 2001
From: eaolson <eaolson@gmail.com>
Date: Sun, 17 Jun 2018 14:12:54 -0500
Subject: [PATCH] Fix issue 35

---
 ora/xlsx_builder_pkg.pkb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ora/xlsx_builder_pkg.pkb b/ora/xlsx_builder_pkg.pkb
index 892ad3e..4811b24 100755
--- a/ora/xlsx_builder_pkg.pkb
+++ b/ora/xlsx_builder_pkg.pkb
@@ -1624,9 +1624,9 @@ ts timestamp := systimestamp;
       loop
         t_xxx := t_xxx || '<autoFilter ref="' ||
             alfan_col( nvl( workbook.sheets( s ).autofilters( a ).column_start, t_col_min ) ) ||
-            nvl( workbook.sheets( s ).autofilters( a ).row_start, workbook.sheets( s ).rows.first() ) || ':' ||
+            to_char( nvl( workbook.sheets( s ).autofilters( a ).row_start, workbook.sheets( s ).rows.first() )) || ':' ||
             alfan_col( coalesce( workbook.sheets( s ).autofilters( a ).column_end, workbook.sheets( s ).autofilters( a ).column_start, t_col_max ) ) ||
-            nvl( workbook.sheets( s ).autofilters( a ).row_end, workbook.sheets( s ).rows.last() ) || '"/>';
+            to_char( nvl( workbook.sheets( s ).autofilters( a ).row_end, workbook.sheets( s ).rows.last() )) || '"/>';
       end loop;
       if workbook.sheets( s ).mergecells.count() > 0
       then