X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/f042a797c65fc96e79c2618e8653fbfb6488b67d..b6c354b31b8e7963bbd384045cb72cd3a88c613e:/lib/migrate.rb

diff --git a/lib/migrate.rb b/lib/migrate.rb
index 737ff57ec..69538f1da 100644
--- a/lib/migrate.rb
+++ b/lib/migrate.rb
@@ -1,24 +1,39 @@
 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 = {})
-        index_name = options[:name]
         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 #{quote_column_name(index_name)} (#{quoted_column_names})"
+        execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{quoted_column_names})"
       end
 
-      alias_method :old_add_column_options!, :add_column_options!
+      def remove_primary_key(table_name)
+        execute "ALTER TABLE #{table_name} DROP PRIMARY KEY"
+      end
 
-      def add_column_options!(sql, options)
-        old_add_column_options!(sql, options)
-        sql << " #{options[:options]}"
+      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)
-        old_options_include_default?(options) && !(options[:options] =~ /AUTO_INCREMENT/i)
+        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
 
@@ -28,11 +43,52 @@ module ActiveRecord
       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[:bigint_auto_11] = { :name => "bigint(11) DEFAULT NULL auto_increment" }
+        types[:bigint_auto_20] = { :name => "bigint(20) DEFAULT NULL auto_increment" }
         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 alter_column_nwr_enum (table_name, column)
+        execute "alter table #{table_name} change column #{column} #{column} enum('node','way','relation');"
+      end
     end
   end
 end
-
-myisam_table = { :id => false, :force => true, :options => "ENGINE=MyIsam" }
-innodb_table = { :id => false, :force => true, :options => "ENGINE=InnoDB" }