Make it clear that notes are for map improvements

[rails.git] / lib / migrate.rb

diff --git a/lib/migrate.rb b/lib/migrate.rb
index 8e6629f0d2639d25e40590cfcbc7cd5ce7233a21..7c14333b30af91f0ad23b6f690d65d5852d11abb 100644 (file)
--- a/lib/migrate.rb
+++ b/lib/migrate.rb
@@ -17,8 +17,8 @@ module ActiveRecord
 
       def add_foreign_key(table_name, column_name, reftbl, refcol = nil)
         execute "ALTER TABLE #{table_name} ADD " +
-         "FOREIGN KEY (#{quote_column_names(column_name)}) " +
-         "REFERENCES #{reftbl} (#{quote_column_names(refcol || column_name)})"
+          "FOREIGN KEY (#{quote_column_names(column_name)}) " +
+          "REFERENCES #{reftbl} (#{quote_column_names(refcol || column_name)})"
       end
 
       def remove_foreign_key(table_name, column_name, reftbl, refcol = nil)
@@ -42,90 +42,8 @@ module ActiveRecord
       end
     end
 
-    class MysqlAdapter
-      if MysqlAdapter.public_instance_methods(false).include?('native_database_types')
-        alias_method :old_native_database_types, :native_database_types
-      end
-
-      def native_database_types
-        types = old_native_database_types
-        types[:bigint] = { :name => "bigint", :limit => 20 }
-        types[:double] = { :name => "double" }
-        types[:integer_pk] = { :name => "integer DEFAULT NULL auto_increment PRIMARY KEY" }
-        types[:bigint_pk] = { :name => "bigint(20) DEFAULT NULL auto_increment PRIMARY KEY" }
-        types[:bigint_pk_64] = { :name => "bigint(64) DEFAULT NULL auto_increment PRIMARY KEY" }
-        types[:bigint_auto_64] = { :name => "bigint(64) DEFAULT NULL auto_increment" }
-        types[:bigint_auto_11] = { :name => "bigint(11) DEFAULT NULL auto_increment" }
-        types[:bigint_auto_20] = { :name => "bigint(20) DEFAULT NULL auto_increment" }
-        types[:four_byte_unsigned] = { :name=> "integer unsigned" }
-        types[:inet] = { :name=> "integer unsigned" }
-
-        enumerations.each do |e,v|
-          types[e.to_sym]= { :name => "enum('#{v.join '\',\''}')" }
-        end
-
-        types
-      end
-
-      def change_column(table_name, column_name, type, options = {})
-        unless options_include_default?(options)
-          options[:default] = select_one("SHOW COLUMNS FROM #{table_name} LIKE '#{column_name}'")["Default"]
-
-          unless type == :string or type == :text
-            options.delete(:default) if options[:default] = "";
-          end
-        end
-
-        change_column_sql = "ALTER TABLE #{table_name} CHANGE #{column_name} #{column_name} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}"
-        add_column_options!(change_column_sql, options)
-        execute(change_column_sql) 
-      end
-
-      def myisam_table
-        return { :id => false, :force => true, :options => "ENGINE=MyIsam" }
-      end
-
-      def innodb_table
-        return { :id => false, :force => true, :options => "ENGINE=InnoDB" }
-      end
-
-      def innodb_option
-        return "ENGINE=InnoDB"
-      end
-
-      def change_engine (table_name, engine)
-        execute "ALTER TABLE #{table_name} ENGINE = #{engine}"
-      end
-
-      def add_fulltext_index (table_name, column)
-        execute "CREATE FULLTEXT INDEX `#{table_name}_#{column}_idx` ON `#{table_name}` (`#{column}`)"
-      end
-
-      def enumerations
-        @enumerations ||= Hash.new
-      end
-
-      def create_enumeration(enumeration_name, values)
-        enumerations[enumeration_name] = values
-      end
-
-      def drop_enumeration(enumeration_name)
-        enumerations.delete(enumeration_name)
-      end
-
-      def alter_primary_key(table_name, new_columns)
-        execute("alter table #{table_name} drop primary key, add primary key (#{new_columns.join(',')})")
-      end
-
-      def interval_constant(interval)
-        "'#{interval}'"
-      end
-    end
-
     class PostgreSQLAdapter
-      if PostgreSQLAdapter.public_instance_methods(false).include?('native_database_types')
-        alias_method :old_native_database_types, :native_database_types
-      end
+      alias_method :old_native_database_types, :native_database_types
 
       def native_database_types
         types = old_native_database_types
@@ -157,12 +75,12 @@ module ActiveRecord
       def innodb_option
         return ""
       end
- 
-      def change_engine(table_name, engine)
+
+      def change_engine (table_name, engine)
       end
 
-      def add_fulltext_index(table_name, column)
-        execute "CREATE INDEX #{table_name}_#{column}_idx ON #{table_name} (#{column})"
+      def add_fulltext_index (table_name, column)
+        execute "CREATE INDEX #{table_name}_#{column}_idx on #{table_name} (#{column})"
       end
 
       def enumerations
@@ -203,17 +121,22 @@ module ActiveRecord
         else
           index_type = options
         end
-        quoted_column_names = column_names.map { |e| quote_column_name(e) }.join(", ")
+
+        quoted_column_names = column_names.map { |e| quote_column_name(e) }
+        if Hash === options and options[:lowercase]
+          quoted_column_names = quoted_column_names.map { |e| "LOWER(#{e})" }
+        end
+        if Hash === options and options[:columns]
+          quoted_column_names = quoted_column_names + Array[options[:columns]]
+        end
+        quoted_column_names = quoted_column_names.join(", ")
+
         execute "CREATE #{index_type} INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} USING #{index_method} (#{quoted_column_names})"
       end
 
       def rename_index(table_name, old_name, new_name)
         execute "ALTER INDEX #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
       end
-
-      def rename_sequence(table_name, old_name, new_name)
-        execute "ALTER SEQUENCE #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
-      end
     end
   end
 end