Merge branch 'notes'

[rails.git] / lib / migrate.rb

diff --git a/lib/migrate.rb b/lib/migrate.rb
index 8f7e635f13c9a170f04ca703421481f0b6cec389..baa7faecde3703d438548bb6c210ad812434d682 100644 (file)
--- a/lib/migrate.rb
+++ b/lib/migrate.rb
@@ -42,184 +42,98 @@ module ActiveRecord
       end
     end
 
       end
     end
 

-    if defined?(ActiveRecord::ConnectionAdapters::MysqlAdapter)
-      class MysqlAdapter
-        alias_method :old_native_database_types, :native_database_types
-
-        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
+    class PostgreSQLAdapter
+      alias_method :old_native_database_types, :native_database_types
+
+      def native_database_types
+        types = old_native_database_types
+        types[:double] = { :name => "double precision" }
+        types[:integer_pk] = { :name => "serial PRIMARY KEY" }
+        types[:bigint_pk] = { :name => "bigserial PRIMARY KEY" }
+        types[:bigint_pk_64] = { :name => "bigserial PRIMARY KEY" }
+        types[:bigint_auto_64] = { :name => "bigint" } #fixme: need autoincrement?
+        types[:bigint_auto_11] = { :name => "bigint" } #fixme: need autoincrement?
+        types[:bigint_auto_20] = { :name => "bigint" } #fixme: need autoincrement?
+        types[:four_byte_unsigned] = { :name => "bigint" } # meh
+        types[:inet] = { :name=> "inet" }
+
+        enumerations.each_key do |e|
+          types[e.to_sym]= { :name => e }
+        end
+
+        types
+      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 myisam_table
+        return { :id => false, :force => true, :options => ""}
+      end

 
 

-        def interval_constant(interval)
-          "'#{interval}'"
-        end
+      def innodb_table
+        return { :id => false, :force => true, :options => ""}

       end
       end

-    end

 
 

-    if defined?(ActiveRecord::ConnectionAdapters::PostgreSQLAdapter)
-      class PostgreSQLAdapter
-        alias_method :old_native_database_types, :native_database_types
-
-        def native_database_types
-          types = old_native_database_types
-          types[:double] = { :name => "double precision" }
-          types[:integer_pk] = { :name => "serial PRIMARY KEY" }
-          types[:bigint_pk] = { :name => "bigserial PRIMARY KEY" }
-          types[:bigint_pk_64] = { :name => "bigserial PRIMARY KEY" }
-          types[:bigint_auto_64] = { :name => "bigint" } #fixme: need autoincrement?
-          types[:bigint_auto_11] = { :name => "bigint" } #fixme: need autoincrement?
-          types[:bigint_auto_20] = { :name => "bigint" } #fixme: need autoincrement?
-          types[:four_byte_unsigned] = { :name => "bigint" } # meh
-          types[:inet] = { :name=> "inet" }
-
-          enumerations.each_key do |e|
-            types[e.to_sym]= { :name => e }
-          end
-
-          types
-        end
+      def innodb_option
+        return ""
+      end

 
 

-        def myisam_table
-          return { :id => false, :force => true, :options => ""}
-        end
+      def change_engine (table_name, engine)
+      end

 
 

-        def innodb_table
-          return { :id => false, :force => true, :options => ""}
-        end
+      def add_fulltext_index (table_name, column)
+        execute "CREATE INDEX #{table_name}_#{column}_idx on #{table_name} (#{column})"
+      end

 
 

-        def innodb_option
-          return ""
-        end
+      def enumerations
+        @enumerations ||= Hash.new
+      end

 
 

-        def change_engine (table_name, engine)
-        end
+      def create_enumeration(enumeration_name, values)
+        enumerations[enumeration_name] = values
+        execute "CREATE TYPE #{enumeration_name} AS ENUM ('#{values.join '\',\''}')"
+      end

 
 

-        def add_fulltext_index (table_name, column)
-          execute "CREATE INDEX #{table_name}_#{column}_idx on #{table_name} (#{column})"
-        end
+      def drop_enumeration(enumeration_name)
+        execute "DROP TYPE #{enumeration_name}"
+        enumerations.delete(enumeration_name)
+      end

 
 

-        def enumerations
-          @enumerations ||= Hash.new
-        end
+      def rename_enumeration(old_name, new_name)
+        execute "ALTER TYPE #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
+      end

 
 

-        def create_enumeration(enumeration_name, values)
-          enumerations[enumeration_name] = values
-          execute "CREATE TYPE #{enumeration_name} AS ENUM ('#{values.join '\',\''}')"
-        end
+      def alter_primary_key(table_name, new_columns)
+        execute "ALTER TABLE #{table_name} DROP CONSTRAINT #{table_name}_pkey"
+        execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{new_columns.join(',')})"
+      end

 
 

-        def drop_enumeration(enumeration_name)
-          execute "DROP TYPE #{enumeration_name}"
-          enumerations.delete(enumeration_name)
-        end
+      def interval_constant(interval)
+        "'#{interval}'::interval"
+      end

 
 

-        def rename_enumeration(old_name, new_name)
-          execute "ALTER TYPE #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
-        end
+      def add_index(table_name, column_name, options = {})
+        column_names = Array(column_name)
+        index_name   = index_name(table_name, :column => column_names)

 
 

-        def alter_primary_key(table_name, new_columns)
-          execute "ALTER TABLE #{table_name} DROP CONSTRAINT #{table_name}_pkey"
-          execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{new_columns.join(',')})"
+        if Hash === options # legacy support, since this param was a string
+          index_type = options[:unique] ? "UNIQUE" : ""
+          index_name = options[:name] || index_name
+          index_method = options[:method] || "BTREE"
+        else
+          index_type = options

         end
 
         end
 

-        def interval_constant(interval)
-          "'#{interval}'::interval"
+        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
         end

+        quoted_column_names = quoted_column_names.join(", ")

 
 

-        def add_index(table_name, column_name, options = {})
-          column_names = Array(column_name)
-          index_name   = index_name(table_name, :column => column_names)
-
-          if Hash === options # legacy support, since this param was a string
-            index_type = options[:unique] ? "UNIQUE" : ""
-            index_name = options[:name] || index_name
-            index_method = options[:method] || "BTREE"
-          else
-            index_type = options
-          end
-
-          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
-          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
+        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
       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
     end
   end
 end