Move common support code from the base migration to a library file where

it can be used by other migrations.

diff --git a/db/migrate/001_create_osm_db.rb b/db/migrate/001_create_osm_db.rb
index a9eeec814821abd09db2c90e05ff06b92793e2e3..e5840b380e98081b7d09e6624a1e8542312701e4 100644 (file)
--- a/db/migrate/001_create_osm_db.rb
+++ b/db/migrate/001_create_osm_db.rb
@@ -1,38 +1,4 @@
-module ActiveRecord
-  module ConnectionAdapters
-    module SchemaStatements
-      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})"
-      end
-
-      alias_method :old_add_column_options!, :add_column_options!
-
-      def add_column_options!(sql, options)
-        old_add_column_options!(sql, options)
-        sql << " #{options[:options]}"
-      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)
-      end
-    end
-
-    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
-      end
-    end
-  end
-end
+require 'lib/migrate'
 
 class CreateOsmDb < ActiveRecord::Migration
   def self.up

diff --git a/lib/migrate.rb b/lib/migrate.rb
new file mode 100644 (file)
index 0000000..737ff57
--- /dev/null
+++ b/lib/migrate.rb
@@ -0,0 +1,38 @@
+module ActiveRecord
+  module ConnectionAdapters
+    module SchemaStatements
+      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})"
+      end
+
+      alias_method :old_add_column_options!, :add_column_options!
+
+      def add_column_options!(sql, options)
+        old_add_column_options!(sql, options)
+        sql << " #{options[:options]}"
+      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)
+      end
+    end
+
+    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
+      end
+    end
+  end
+end
+
+myisam_table = { :id => false, :force => true, :options => "ENGINE=MyIsam" }
+innodb_table = { :id => false, :force => true, :options => "ENGINE=InnoDB" }