X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/294b098a0d3d0774e4caa39ff426a7a0f3bad53a..738e1e9cc60d3d5987acdaf851466961d0f9d437:/lib/migrate.rb

diff --git a/lib/migrate.rb b/lib/migrate.rb
index e30d071cd..182a2a086 100644
--- a/lib/migrate.rb
+++ b/lib/migrate.rb
@@ -1,212 +1,45 @@
-module ActiveRecord
-  module ConnectionAdapters
-    module SchemaStatements
-      def quote_column_names(column_name)
-        Array(column_name).map { |e| quote_column_name(e) }.join(", ")
+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
 
-      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 PostgreSQLAdapter
+      def quote_column_name(name)
+        Array(name).map { |n| super(n) }.join(", ")
       end
 
-      def remove_primary_key(table_name)
-        execute "ALTER TABLE #{table_name} DROP PRIMARY KEY"
+      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 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)})"
+      def remove_primary_key(table_name)
+        execute "ALTER TABLE #{quote_table_name(table_name)} DROP PRIMARY KEY"
       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"
+      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
 
-      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)
+      def create_enumeration(enumeration_name, values)
+        execute "CREATE TYPE #{enumeration_name} AS ENUM ('#{values.join '\',\''}')"
       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]}"
+      def drop_enumeration(enumeration_name)
+        execute "DROP TYPE #{enumeration_name}"
       end
-    end
-
-    if defined?(ActiveRecord::ConnectionAdapters::MysqlAdapter)
-      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}`)"
-        end
-
-        def enumerations
-          @enumerations ||= Hash.new
-        end
-
-        def create_enumeration (enumeration_name, values)
-          enumerations[enumeration_name] = values
-        end
-
-        def drop_enumeration (enumeration_name)
-          enumerations.delete(enumeration_name)
-        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
-    end
-
-    if defined?(ActiveRecord::ConnectionAdapters::PostgreSQLAdapter)
-      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 => ""}
-        end
-
-        def innodb_option
-          return ""
-        end
-
-        def change_engine (table_name, engine)
-        end
-
-        def add_fulltext_index (table_name, column)
-          execute "CREATE INDEX #{table_name}_#{column}_idx on #{table_name} (#{column})"
-        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})"
-        end
+      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)