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[rails.git] / lib / migrate.rb

diff --git a/lib/migrate.rb b/lib/migrate.rb
index 782436af3ff4926e7c6d43e0f1ddac0affe416b2..681eba5b603ab7a61012e66759fde1f7a49361a1 100644 (file)
--- a/lib/migrate.rb
+++ b/lib/migrate.rb
@@ -1,75 +1,49 @@
 module ActiveRecord
   module ConnectionAdapters
     module SchemaStatements
 module ActiveRecord
   module ConnectionAdapters
     module SchemaStatements

-      def quote_column_names(column_name)
-        Array(column_name).map { |e| quote_column_name(e) }.join(", ")
+      def add_index_options_with_columns(table_name, column_name, options = {})
+        columns = options.delete(:columns)
+        index_name, index_type, index_columns, index_options, algorithm, using = add_index_options_without_columns(table_name, column_name, options)
+        [index_name, index_type, columns || index_columns, index_options, algorithm, using]

       end
 
       end
 

-      def add_primary_key(table_name, column_name, options = {})
-        column_names = Array(column_name)
-        quoted_column_names = column_names.map { |e| quote_column_name(e) }.join(", ")
-        execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{quoted_column_names})"
-      end
-
-      def remove_primary_key(table_name)
-        execute "ALTER TABLE #{table_name} DROP PRIMARY KEY"
-      end
-
-      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)})"
-      end
-
-      alias_method :old_options_include_default?, :options_include_default?
-
-      def options_include_default?(options)
-        return false if options[:options] =~ /AUTO_INCREMENT/i
-        return old_options_include_default?(options)
-      end
-
-      alias_method :old_add_column_options!, :add_column_options!
-
-      def add_column_options!(sql, options)
-        sql << " UNSIGNED" if options[:unsigned]
-        old_add_column_options!(sql, options)
-        sql << " #{options[:options]}"
-      end
+      alias_method_chain :add_index_options, :columns

     end
 
     end
 

-    class MysqlAdapter
-      alias_method :old_native_database_types, :native_database_types
+    module PostgreSQL
+      module Quoting
+        def quote_column_name_with_arrays(name)
+          Array(name).map { |n| quote_column_name_without_arrays(n) }.join(", ")
+        end

 
 

-      def native_database_types
-        types = old_native_database_types
-        types[:bigint] = { :name => "bigint", :limit => 20 }
-        types[:double] = { :name => "double" }
-        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
+        alias_method_chain :quote_column_name, :arrays

       end
 
       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"]
+      module SchemaStatements
+        def add_primary_key(table_name, column_name, options = {})
+          execute "ALTER TABLE #{quote_table_name(table_name)} ADD PRIMARY KEY (#{quote_column_name(column_name)})"
+        end

 
 

-          unless type == :string or type == :text
-            options.delete(:default) if options[:default] = "";
-          end
+        def remove_primary_key(table_name)
+          execute "ALTER TABLE #{quote_table_name(table_name)} DROP PRIMARY KEY"

         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 alter_primary_key(table_name, new_columns)
+          execute "ALTER TABLE #{quote_table_name(table_name)} DROP CONSTRAINT #{quote_table_name(table_name + "_pkey")}"
+          execute "ALTER TABLE #{quote_table_name(table_name)} ADD PRIMARY KEY (#{quote_column_name(new_columns)})"
+        end

 
 

-      def myisam_table
-        return { :id => false, :force => true, :options => "ENGINE=MyIsam" }
-      end
+        def create_enumeration(enumeration_name, values)
+          execute "CREATE TYPE #{enumeration_name} AS ENUM ('#{values.join '\',\''}')"
+        end

 
 

-      def innodb_table
-        return { :id => false, :force => true, :options => "ENGINE=InnoDB" }
+        def drop_enumeration(enumeration_name)
+          execute "DROP TYPE #{enumeration_name}"
+        end
+
+        def rename_enumeration(old_name, new_name)
+          execute "ALTER TYPE #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
+        end

       end
     end
   end
       end
     end
   end