From 61ae505facf66f6308049a376dcfb9aadc07ed1f Mon Sep 17 00:00:00 2001
From: Mottie <wowmotty@gmail.com>
Date: Fri, 24 May 2013 09:36:00 -0500
Subject: [PATCH] fix to filter optimization tweak (#313), when searching for
 exact matches

---
 js/jquery.tablesorter.widgets.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/js/jquery.tablesorter.widgets.js b/js/jquery.tablesorter.widgets.js
index 5435387e..a79d42b5 100644
--- a/js/jquery.tablesorter.widgets.js
+++ b/js/jquery.tablesorter.widgets.js
@@ -416,6 +416,8 @@ ts.addWidget({
 							// check for changes from beginning of filter; but ignore if there is a logical "or" in the string
 							searchFiltered = (val || '').indexOf(r[i] || '') === 0 && searchFiltered && !/(\s+or\s+|\|)/g.test(val || '');
 						});
+						// can't search when all rows are hidden - this happens when looking for exact matches
+						if (searchFiltered && $tr.filter(':visible').length === 0) { searchFiltered = false; }
 						// loop through the rows
 						for (j = 0; j < l; j++){
 							r = $tr[j].className;