X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/fcaeaf8c44456657043686d01f2913d600ef13ce..07c0462000b1f7cccdc2fc33499940ee6e899c3e:/lib/migrate.rb

diff --git a/lib/migrate.rb b/lib/migrate.rb
index 3d9970d8c..182a2a086 100644
--- a/lib/migrate.rb
+++ b/lib/migrate.rb
@@ -1,208 +1,45 @@
-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(", ")
-        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
-
-      def remove_foreign_key(table_name, column_name, reftbl, refcol = nil)
-        execute "ALTER TABLE #{table_name} DROP " +
-          "CONSTRAINT #{table_name}_#{column_name[0]}_fkey"
-      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]}"
+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
 
-    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[:double] = { :name => "double" }
-        types[:integer_pk] = { :name => "integer DEFAULT NULL auto_increment PRIMARY KEY" }
-        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" }
-        types[:inet] = { :name=> "integer unsigned" }
-
-        enumerations.each do |e,v|
-          types[e.to_sym]= { :name => "enum('#{v.join '\',\''}')" }
-        end
-
-        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}`)"
+    module PostgreSQLAdapter
+      def quote_column_name(name)
+        Array(name).map { |n| super(n) }.join(", ")
       end
 
-      def enumerations
-        @enumerations ||= Hash.new
+      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 create_enumeration (enumeration_name, values)
-        enumerations[enumeration_name] = values
-      end
-
-      def drop_enumeration (enumeration_name)
-        enumerations.delete(enumeration_name)
+      def remove_primary_key(table_name)
+        execute "ALTER TABLE #{quote_table_name(table_name)} DROP PRIMARY KEY"
       end
 
       def alter_primary_key(table_name, new_columns)
-        execute("alter table #{table_name} drop primary key, add primary key (#{new_columns.join(',')})")
-      end
-
-      def interval_constant(interval)
-        "'#{interval}'"
-      end
-    end
-
-    class PostgreSQLAdapter
-      alias_method :old_native_database_types, :native_database_types
-
-      def native_database_types
-        types = old_native_database_types
-        types[:double] = { :name => "double precision" }
-        types[:integer_pk] = { :name => "serial PRIMARY KEY" }
-        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[:inet] = { :name=> "inet" }
-
-        enumerations.each_key do |e|
-          types[e.to_sym]= { :name => e }
-        end
-
-        types
-      end
-
-      def myisam_table
-        return { :id => false, :force => true, :options => ""}
-      end
-
-      def innodb_table
-        return { :id => false, :force => true, :options => ""}
+        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 innodb_option
-        return ""
-      end
- 
-      def change_engine (table_name, engine)
+      def create_enumeration(enumeration_name, values)
+        execute "CREATE TYPE #{enumeration_name} AS ENUM ('#{values.join '\',\''}')"
       end
 
-      def add_fulltext_index (table_name, column)
-        execute "CREATE INDEX #{table_name}_#{column}_idx on #{table_name} (#{column})"
+      def drop_enumeration(enumeration_name)
+        execute "DROP TYPE #{enumeration_name}"
       end
 
-      def enumerations
-        @enumerations ||= Hash.new
-      end
-
-      def create_enumeration (enumeration_name, values)
-        enumerations[enumeration_name] = values
-        execute "create type #{enumeration_name} as enum ('#{values.join '\',\''}')"
-      end
-
-      def drop_enumeration (enumeration_name)
-        execute "drop type #{enumeration_name}"
-        enumerations.delete(enumeration_name)
-      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(',')})"
-      end
-
-      def interval_constant(interval)
-        "'#{interval}'::interval"
-      end
-
-      def add_index(table_name, column_name, options = {})
-        column_names = Array(column_name)
-        index_name   = index_name(table_name, :column => column_names)
-
-        if Hash === options # legacy support, since this param was a string
-          index_type = options[:unique] ? "UNIQUE" : ""
-          index_name = options[:name] || index_name
-          index_method = options[:method] || "BTREE"
-        else
-          index_type = options
-        end
-
-        quoted_column_names = column_names.map { |e| quote_column_name(e) }
-        if Hash === options and options[:lowercase]
-          quoted_column_names = quoted_column_names.map { |e| "LOWER(#{e})" }
-        end
-        quoted_column_names = quoted_column_names.join(", ")
-
-        execute "CREATE #{index_type} INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} USING #{index_method} (#{quoted_column_names})"
+      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
+
+ActiveRecord::ConnectionAdapters::AbstractAdapter.prepend(OpenStreetMap::ActiveRecord::AbstractAdapter)
+ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.prepend(OpenStreetMap::ActiveRecord::PostgreSQLAdapter)