X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/721dd9c27d299455b9159457a095716f797389f1..16b875b271656e47ccf2dd0bf03b758a4ac312f8:/lib/migrate.rb

diff --git a/lib/migrate.rb b/lib/migrate.rb
index 3b1e46fb8..681eba5b6 100644
--- a/lib/migrate.rb
+++ b/lib/migrate.rb
@@ -1,150 +1,49 @@
 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
 
-      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
 
-    class MysqlAdapter
-      if MysqlAdapter.public_instance_methods(false).include?('native_database_types')
-        alias_method :old_native_database_types, :native_database_types
-      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[:bigint_auto_11] = { :name => "bigint(11) DEFAULT NULL auto_increment" }
-        types[:bigint_auto_20] = { :name => "bigint(20) DEFAULT NULL auto_increment" }
-        types[:four_byte_unsigned] = { :name=> "integer unsigned NOT NULL" }
-        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
+    module PostgreSQL
+      module Quoting
+        def quote_column_name_with_arrays(name)
+          Array(name).map { |n| quote_column_name_without_arrays(n) }.join(", ")
         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
-
-      def alter_primary_key(table_name, new_columns)
-        execute("alter table #{table_name} drop primary key, add primary key (#{new_columns.join(',')})")
-      end
-    end
-
-    class PostgreSQLAdapter
-      if PostgreSQLAdapter.public_instance_methods(false).include?('native_database_types')
-        alias_method :old_native_database_types, :native_database_types
-      end
-
-      def native_database_types
-        types = old_native_database_types
-        types[:double] = { :name => "double precision" }
-        types[:bigint_pk] = { :name => "bigserial PRIMARY KEY" }
-        types[:bigint_pk_64] = { :name => "bigserial PRIMARY KEY" }
-        types[:bigint_auto_64] = { :name => "bigint" } #fixme: need autoincrement?
-        types[:bigint_auto_11] = { :name => "bigint" } #fixme: need autoincrement?
-        types[:bigint_auto_20] = { :name => "bigint" } #fixme: need autoincrement?
-        types[:four_byte_unsigned] = { :name => "bigint" } # meh
-        types
+        alias_method_chain :quote_column_name, :arrays
       end
 
-      def myisam_table
-        return { :id => false, :force => true, :options => ""}
-      end
+      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
 
-      def innodb_table
-        return { :id => false, :force => true, :options => ""}
-      end
+        def remove_primary_key(table_name)
+          execute "ALTER TABLE #{quote_table_name(table_name)} DROP PRIMARY KEY"
+        end
 
-      def innodb_option
-        return ""
-      end
- 
-      def change_engine (table_name, engine)
-      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 add_fulltext_index (table_name, column)
-        execute "CREATE INDEX #{table_name}_#{column}_idx on #{table_name} (#{column})"
-      end
+        def create_enumeration(enumeration_name, values)
+          execute "CREATE TYPE #{enumeration_name} AS ENUM ('#{values.join '\',\''}')"
+        end
 
-      def alter_column_nwr_enum (table_name, column)
-        response = select_one("select count(*) as count from pg_type where typname = 'nwr_enum'")
-        if response['count'] == "0" #yep, as a string
-          execute "create type nwr_enum as ENUM ('node', 'way', 'relation')"
+        def drop_enumeration(enumeration_name)
+          execute "DROP TYPE #{enumeration_name}"
         end
-        execute	"alter table #{table_name} drop #{column}"
-        execute "alter table #{table_name} add #{column} nwr_enum"
-      end
 
-      def alter_primary_key(table_name, new_columns)
-        execute "alter table #{table_name} drop constraint #{table_name}_pkey; alter table #{table_name} add primary key (#{new_columns.join(',')})"
+        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