migrations: add specific method for nodes/ways/relations enum column

[rails.git] / lib / migrate.rb

diff --git a/lib/migrate.rb b/lib/migrate.rb
index c31e3153876854243a7fd9e5d699635a917d58c7..69538f1da6f86e36628f371e80b5cd55feb65ea3 100644 (file)
--- a/lib/migrate.rb
+++ b/lib/migrate.rb
@@ -1,6 +1,10 @@
 module ActiveRecord
   module ConnectionAdapters
     module SchemaStatements
+      def quote_column_names(column_name)
+        Array(column_name).map { |e| quote_column_name(e) }.join(", ")
+      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(", ")
@@ -11,12 +15,26 @@ module ActiveRecord
         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
     end
 
     class MysqlAdapter
@@ -26,6 +44,11 @@ module ActiveRecord
         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[:bigint_auto_11] = { :name => "bigint(11) DEFAULT NULL auto_increment" }
+        types[:bigint_auto_20] = { :name => "bigint(20) DEFAULT NULL auto_increment" }
         types
       end
 
@@ -40,7 +63,6 @@ module ActiveRecord
 
         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)
-        change_column_sql << " #{options[:options]}"
         execute(change_column_sql) 
       end
 
@@ -51,6 +73,22 @@ module ActiveRecord
       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 alter_column_nwr_enum (table_name, column)
+        execute "alter table #{table_name} change column #{column} #{column} enum('node','way','relation');"
+      end
     end
   end
 end