fixed placement issue for search fields

Author: ahujaak

lib/query_helper.rb

@@ -280,8 +280,12 @@ def search_filter(column_maps)
       raise ArgumentError.new("search_fields not defined") unless @search_fields.length > 0
       placement = :where
       maps = column_maps.select do |cm|
-        placement = :having if cm.aggregate
-        @search_fields.include? cm.alias_name
+        if @search_fields.include? cm.alias_name
+          placement = :having if cm.aggregate
+          true
+        else
+          false
+        end
       end
       bind_variable = ('a'..'z').to_a.shuffle[0,20].join.to_sym
       @bind_variables[bind_variable] = "%#{@search_string}%"