X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/294b098a0d3d0774e4caa39ff426a7a0f3bad53a..1104165e7ba4640e0c5e0bb4361e76f6911407bd:/lib/migrate.rb diff --git a/lib/migrate.rb b/lib/migrate.rb index e30d071cd..baa7faecd 100644 --- a/lib/migrate.rb +++ b/lib/migrate.rb @@ -42,170 +42,97 @@ module ActiveRecord 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 + 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 create_enumeration (enumeration_name, values) - enumerations[enumeration_name] = values - end + def myisam_table + return { :id => false, :force => true, :options => ""} + end - def drop_enumeration (enumeration_name) - enumerations.delete(enumeration_name) - end + def innodb_table + return { :id => false, :force => true, :options => ""} + 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 innodb_option + return "" + end - def interval_constant(interval) - "'#{interval}'" - end + def change_engine (table_name, engine) 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 add_fulltext_index (table_name, column) + execute "CREATE INDEX #{table_name}_#{column}_idx on #{table_name} (#{column})" + end - def myisam_table - return { :id => false, :force => true, :options => ""} - end + def enumerations + @enumerations ||= Hash.new + end - def innodb_table - return { :id => false, :force => true, :options => ""} - end + def create_enumeration(enumeration_name, values) + enumerations[enumeration_name] = values + execute "CREATE TYPE #{enumeration_name} AS ENUM ('#{values.join '\',\''}')" + end - def innodb_option - return "" - end + def drop_enumeration(enumeration_name) + execute "DROP TYPE #{enumeration_name}" + enumerations.delete(enumeration_name) + end - def change_engine (table_name, engine) - end + def rename_enumeration(old_name, new_name) + execute "ALTER TYPE #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}" + end - def add_fulltext_index (table_name, column) - execute "CREATE INDEX #{table_name}_#{column}_idx on #{table_name} (#{column})" - end + def alter_primary_key(table_name, new_columns) + execute "ALTER TABLE #{table_name} DROP CONSTRAINT #{table_name}_pkey" + execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{new_columns.join(',')})" + end - def enumerations - @enumerations ||= Hash.new - end + def interval_constant(interval) + "'#{interval}'::interval" + end - def create_enumeration (enumeration_name, values) - enumerations[enumeration_name] = values - execute "create type #{enumeration_name} as enum ('#{values.join '\',\''}')" - end + def add_index(table_name, column_name, options = {}) + column_names = Array(column_name) + index_name = index_name(table_name, :column => column_names) - def drop_enumeration (enumeration_name) - execute "drop type #{enumeration_name}" - enumerations.delete(enumeration_name) + 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 - 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(',')})" + 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(", ") - def interval_constant(interval) - "'#{interval}'::interval" - end + execute "CREATE #{index_type} INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} USING #{index_method} (#{quoted_column_names})" + 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_index(table_name, old_name, new_name) + execute "ALTER INDEX #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}" end end end