GUI
diff --git a/‎lib/ajax-datatables-rails/datatable/column.rb
Lines changed: 7 additions & 7 deletions b/‎lib/ajax-datatables-rails/datatable/column.rb
Lines changed: 7 additions & 7 deletions
diff --git a/‎spec/ajax-datatables-rails/datatable/column_spec.rb
Lines changed: 13 additions & 0 deletions b/‎spec/ajax-datatables-rails/datatable/column_spec.rb
Lines changed: 13 additions & 0 deletions
diff --git a/‎spec/support/test_helpers.rb
Lines changed: 12 additions & 0 deletions b/‎spec/support/test_helpers.rb
Lines changed: 12 additions & 0 deletions
@@ -42,8 +42,8 @@ def cond
         @view_column[:cond] || :like
       end
 
-      def filter(value)
-        @view_column[:cond].call(self)
+      def filter
+        @view_column[:cond].call(self, formated_value)
       end
 
       def source
@@ -88,6 +88,10 @@ def sort_query
         custom_field? ? source : "#{table.name}.#{sort_field}"
       end
 
+      def formated_value
+        formater ? formater.call(search.value) : search.value
+      end
+
       private
 
       def custom_field?
@@ -98,10 +102,6 @@ def config
         @config ||= AjaxDatatablesRails.config
       end
 
-      def formated_value
-        formater ? formater.call(search.value) : search.value
-      end
-
       # Using multi-select filters in JQuery Datatable auto-enables regex_search.
       # Unfortunately regex_search doesn't work when filtering on primary keys with integer.
       # It generates this kind of query : AND ("regions"."id" ~ '2|3') which throws an error :
@@ -118,7 +118,7 @@ def regex_search
       def non_regex_search
         case cond
         when Proc
-          filter(formated_value)
+          filter
         when :eq, :not_eq, :lt, :gt, :lteq, :gteq, :in
           numeric_search
         when :null_value
 
@@ -87,4 +87,17 @@
       expect(column.formater)
8000
.to be_a(Proc)
     end
   end
+
+  describe '#filter' do
+    let(:datatable) { ReallyComplexDatatableProc.new(view) }
+    let(:column) { datatable.datatable.columns.find { |c| c.data == 'username' } }
+
+    it 'should be a proc' do
+      config = column.instance_variable_get('@view_column')
+      filter = config[:cond]
+      expect(filter).to be_a(Proc)
+      expect(filter).to receive(:call).with(column, column.formated_value)
+      column.filter
+    end
+  end
 end
@@ -172,3 +172,15 @@ def view_columns
     super.deep_merge(post_id: { cond: :in })
   end
 end
+
+class ReallyComplexDatatableProc < ReallyComplexDatatable
+  def view_columns
+    super.deep_merge(username: { cond: custom_filter })
+  end
+
+  private
+
+  def custom_filter
+    ->(column, value) { ::Arel::Nodes::SqlLiteral.new(column.field.to_s).matches("#{value}%") }
+  end
+end