Add support for trilogy adapter

Author: mrudult

lib/ajax-datatables-rails/datatable/column.rb

@@ -68,6 +68,7 @@ def formatted_value
       DB_ADAPTER_TYPE_CAST = {
         mysql:           TYPE_CAST_MYSQL,
         mysql2:          TYPE_CAST_MYSQL,
+        trilogy:         TYPE_CAST_MYSQL,
         sqlite:          TYPE_CAST_SQLITE,
         sqlite3:         TYPE_CAST_SQLITE,
         oracle:          TYPE_CAST_ORACLE,

lib/ajax-datatables-rails/datatable/simple_order.rb

@@ -47,7 +47,7 @@ def nulls_last_sql
         case @adapter
         when :pg, :postgresql, :postgres, :oracle, :postgis
           'NULLS LAST'
-        when :mysql, :mysql2, :sqlite, :sqlite3
+        when :mysql, :mysql2, :trilogy, :sqlite, :sqlite3
           'IS NULL'
         else
           raise "unsupported database adapter: #{@adapter}"

spec/ajax-datatables-rails/datatable/column_spec.rb

@@ -188,6 +188,11 @@
       expect(column.send(:type_cast)).to eq('CHAR')
     end
 
+    it 'returns CHAR if :db_adapter is :trilogy' do
+      expect(datatable).to receive(:db_adapter) { :trilogy }
+      expect(column.send(:type_cast)).to eq('CHAR')
+    end
+
     it 'returns CHAR if :db_adapter is :mysql' do
       expect(datatable).to receive(:db_adapter) { :mysql }
       expect(column.send(:type_cast)).to eq('CHAR')

spec/ajax-datatables-rails/orm/active_record_filter_records_spec.rb

@@ -202,6 +202,16 @@
             )
           end
         end
+
+        context 'when db_adapter is trilogy' do
+          it 'can call #to_sql on returned object' do
+            result = datatable.build_conditions_for_selected_columns
+            expect(result).to respond_to(:to_sql)
+            expect(result.to_sql).to eq(
+              "CAST(`users`.`username` AS CHAR) LIKE '%doe%' AND CAST(`users`.`email` AS CHAR) LIKE '%example%'"
+            )
+          end
+        end
       end
     end
 

spec/dummy/config/database.yml

@@ -14,6 +14,11 @@ test:
   port: 3306
   username: 'root'
   password: 'root'
+<% elsif adapter == 'trilogy' %>
+  host: '127.0.0.1'
+  port: 3306
+  username: 'root'
+  password: 'root'
 <% elsif adapter == 'oracle_enhanced' %>
   host: '127.0.0.1/xe'
   username: <%= ENV.fetch('USER') %>

spec/spec_helper.rb

@@ -73,7 +73,7 @@ def self.oracle?
   end
 
   def self.mysql?
-    ENV['DB_ADAPTER'] == 'mysql2'
+    ENV['DB_ADAPTER'] == 'mysql2' || ENV['DB_ADAPTER'] == 'trilogy'
   end
 
   def self.postgresql?

spec/support/helpers/params.rb

@@ -72,7 +72,7 @@ def nulls_last_sql(datatable)
   case datatable.db_adapter
   when :pg, :postgresql, :postgres, :oracle, :postgis
     'NULLS LAST'
-  when :mysql, :mysql2, :sqlite, :sqlite3
+  when :mysql, :mysql2, :trilogy, :sqlite, :sqlite3
     'IS NULL'
   else
     raise 'unsupported database adapter'