X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/a3ad9912d53da7df80ac969a03fd8383b6e29f5f..03b0171c763644bf8f4eca6d2502d2818bb0da7f:/lib/migrate.rb

diff --git a/lib/migrate.rb b/lib/migrate.rb
index 4cbabd6c0..d87d14bbb 100644
--- a/lib/migrate.rb
+++ b/lib/migrate.rb
@@ -1,37 +1,57 @@
-module ActiveRecord
-  module ConnectionAdapters
-    module SchemaStatements
-      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})"
+module OpenStreetMap
+  module ActiveRecord
+    module AbstractAdapter
+      def add_index_options(table_name, column_name, options = {})
+        columns = options.delete(:columns)
+        index_name, index_type, index_columns, index_options, algorithm, using = super(table_name, column_name, options)
+        [index_name, index_type, columns || index_columns, index_options, algorithm, using]
+      end
+    end
+
+    module PostgreSQLAdapter
+      def quote_column_name(name)
+        Array(name).map { |n| super(n) }.join(", ")
       end
 
-      alias_method :old_add_column_options!, :add_column_options!
+      def add_primary_key(table_name, column_name, _options = {})
+        table_name = quote_table_name(table_name)
+        column_name = quote_column_name(column_name)
 
-      def add_column_options!(sql, options)
-        old_add_column_options!(sql, options)
-        sql << " #{options[:options]}"
+        execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{column_name})"
       end
 
-      alias_method :old_options_include_default?, :options_include_default?
+      def remove_primary_key(table_name)
+        table_name = quote_table_name(table_name)
 
-      def options_include_default?(options)
-        old_options_include_default?(options) && !(options[:options] =~ /AUTO_INCREMENT/i)
+        execute "ALTER TABLE #{table_name} DROP PRIMARY KEY"
+      end
+
+      def alter_primary_key(table_name, new_columns)
+        constraint_name = quote_table_name("#{table_name}_pkey")
+        table_name = quote_table_name(table_name)
+        new_columns = quote_column_name(new_columns)
+
+        execute "ALTER TABLE #{table_name} DROP CONSTRAINT #{constraint_name}"
+        execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{new_columns})"
+      end
+
+      def create_enumeration(enumeration_name, values)
+        execute "CREATE TYPE #{enumeration_name} AS ENUM ('#{values.join '\',\''}')"
+      end
+
+      def drop_enumeration(enumeration_name)
+        execute "DROP TYPE #{enumeration_name}"
       end
-    end
 
-    class MysqlAdapter
-      alias_method :old_native_database_types, :native_database_types
+      def rename_enumeration(old_name, new_name)
+        old_name = quote_table_name(old_name)
+        new_name = quote_table_name(new_name)
 
-      def native_database_types
-        types = old_native_database_types
-        types[:bigint] = { :name => "bigint", :limit => 20 }
-        types
+        execute "ALTER TYPE #{old_name} RENAME TO #{new_name}"
       end
     end
   end
 end
 
-myisam_table = { :id => false, :force => true, :options => "ENGINE=MyIsam" }
-innodb_table = { :id => false, :force => true, :options => "ENGINE=InnoDB" }
+ActiveRecord::ConnectionAdapters::AbstractAdapter.prepend(OpenStreetMap::ActiveRecord::AbstractAdapter)
+ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.prepend(OpenStreetMap::ActiveRecord::PostgreSQLAdapter)