mysql_adapter.rb in freelancing-god-thinking-sphinx-1.1.3

- old
+ new

@@ -1,9 +1,53 @@
 module ThinkingSphinx
   class MysqlAdapter < AbstractAdapter
-    class << self
-      def setup
-        # Does MySQL actually need to do anything?
-      end
+    def setup
+      # Does MySQL actually need to do anything?
+    end
+    
+    def sphinx_identifier
+      "mysql"
+    end
+    
+    def concatenate(clause, separator = ' ')
+      "CONCAT_WS('#{separator}', #{clause})"
+    end
+    
+    def group_concatenate(clause, separator = ' ')
+      "GROUP_CONCAT(#{clause} SEPARATOR '#{separator}')"
+    end
+    
+    def cast_to_string(clause)
+      "CAST(#{clause} AS CHAR)"
+    end
+    
+    def cast_to_datetime(clause)
+      "UNIX_TIMESTAMP(#{clause})"
+    end
+    
+    def cast_to_unsigned(clause)
+      "CAST(#{clause} AS UNSIGNED)"
+    end
+    
+    def convert_nulls(clause, default = '')
+      default = "'#{default}'" if default.is_a?(String)
+      
+      "IFNULL(#{clause}, #{default})"
+    end
+    
+    def boolean(value)
+      value ? 1 : 0
+    end
+    
+    def crc(clause)
+      "CRC32(#{clause})"
+    end
+    
+    def utf8_query_pre
+      "SET NAMES utf8"
+    end
+    
+    def time_difference(diff)
+      "DATE_SUB(NOW(), INTERVAL #{diff} SECOND)"
     end
   end
 end
\ No newline at end of file