diff options
10 files changed, 230 insertions, 104 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb index 902dbd148e..b358d84365 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb @@ -15,34 +15,14 @@ module ActiveRecord # are typically created by methods in TableDefinition, and added to the # +columns+ attribute of said TableDefinition object, in order to be used # for generating a number of table creation or table changing SQL statements. - class ColumnDefinition < Struct.new(:base, :name, :type, :limit, :precision, :scale, :default, :null) #:nodoc: + class ColumnDefinition < Struct.new(:name, :type, :limit, :precision, :scale, :default, :null, :first, :after, :primary_key) #:nodoc: def string_to_binary(value) value end - def sql_type - base.type_to_sql(type.to_sym, limit, precision, scale) - end - def primary_key? - type.to_sym == :primary_key - end - - def to_sql - column_sql = "#{base.quote_column_name(name)} #{sql_type}" - column_options = {} - column_options[:null] = null unless null.nil? - column_options[:default] = default unless default.nil? - column_options[:column] = self - add_column_options!(column_sql, column_options) unless primary_key? - column_sql + primary_key || type.to_sym == :primary_key end - - private - - def add_column_options!(sql, options) - base.add_column_options!(sql, options) - end end # Represents the schema of an SQL table in an abstract way. This class @@ -68,19 +48,25 @@ module ActiveRecord class TableDefinition # An array of ColumnDefinition objects, representing the column changes # that have been defined. - attr_accessor :columns, :indexes + attr_accessor :indexes + attr_reader :name, :temporary, :options - def initialize(base) - @columns = [] + def initialize(types, name, temporary, options) @columns_hash = {} @indexes = {} - @base = base + @native = types + @temporary = temporary + @options = options + @name = name end + def columns; @columns_hash.values; end + # Appends a primary key definition to the table definition. # Can be called multiple times, but this is probably not a good idea. - def primary_key(name) - column(name, :primary_key) + def primary_key(name, type = :primary_key, options = {}) + options[:primary_key] = true + column(name, type, options) end # Returns a ColumnDefinition for the column with name +name+. @@ -233,20 +219,14 @@ module ActiveRecord raise ArgumentError, "you can't redefine the primary key column '#{name}'. To define a custom primary key, pass { id: false } to create_table." end - column = self[name] || new_column_definition(@base, name, type) - - limit = options.fetch(:limit) do - native[type][:limit] if native[type].is_a?(Hash) - end - - column.limit = limit - column.precision = options[:precision] - column.scale = options[:scale] - column.default = options[:default] - column.null = options[:null] + @columns_hash[name] = new_column_definition(name, type, options) self end + def remove_column(name) + @columns_hash.delete name.to_s + end + [:string, :text, :integer, :float, :decimal, :datetime, :timestamp, :time, :date, :binary, :boolean].each do |column_type| define_method column_type do |*args| options = args.extract_options! @@ -283,23 +263,26 @@ module ActiveRecord end alias :belongs_to :references - # Returns a String whose contents are the column definitions - # concatenated together. This string can then be prepended and appended to - # to generate the final SQL to create the table. - def to_sql - columns.map { |c| c.to_sql } * ', ' - end + def new_column_definition(name, type, options) # :nodoc: + column = create_column_definition name, type + limit = options.fetch(:limit) do + native[type][:limit] if native[type].is_a?(Hash) + end - private - def create_column_definition(base, name, type) - ColumnDefinition.new base, name, type + column.limit = limit + column.precision = options[:precision] + column.scale = options[:scale] + column.default = options[:default] + column.null = options[:null] + column.first = options[:first] + column.after = options[:after] + column.primary_key = type == :primary_key || options[:primary_key] + column end - def new_column_definition(base, name, type) - definition = create_column_definition base, name, type - @columns << definition - @columns_hash[name] = definition - definition + private + def create_column_definition(name, type) + ColumnDefinition.new name, type end def primary_key_column_name @@ -308,7 +291,24 @@ module ActiveRecord end def native - @base.native_database_types + @native + end + end + + class AlterTable # :nodoc: + attr_reader :adds + + def initialize(td) + @td = td + @adds = [] + end + + def name; @td.name; end + + def add_column(name, type, options) + name = name.to_s + type = type.to_sym + @adds << @td.new_column_definition(name, type, options) end end diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb index cd4409295f..a26a0b54ea 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -171,14 +171,14 @@ module ActiveRecord # # See also TableDefinition#column for details on how to create columns. def create_table(table_name, options = {}) - td = create_table_definition + td = create_table_definition table_name, options[:temporary], options[:options] unless options[:id] == false pk = options.fetch(:primary_key) { Base.get_primary_key table_name.to_s.singularize } - td.primary_key pk + td.primary_key pk, options.fetch(:id, :primary_key), options end yield td if block_given? @@ -187,11 +187,7 @@ module ActiveRecord drop_table(table_name, options) end - create_sql = "CREATE#{' TEMPORARY' if options[:temporary]} TABLE " - create_sql << "#{quote_table_name(table_name)} (" - create_sql << td.to_sql - create_sql << ") #{options[:options]}" - execute create_sql + execute schema_creation.accept td td.indexes.each_pair { |c,o| add_index table_name, c, o } end @@ -359,9 +355,9 @@ module ActiveRecord # Adds a new column to the named table. # See TableDefinition#column for details of the options you can use. def add_column(table_name, column_name, type, options = {}) - add_column_sql = "ALTER TABLE #{quote_table_name(table_name)} ADD #{quote_column_name(column_name)} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}" - add_column_options!(add_column_sql, options) - execute(add_column_sql) + at = create_alter_table table_name + at.add_column(column_name, type, options) + execute schema_creation.accept at end # Removes the given columns from the table definition. @@ -829,8 +825,12 @@ module ActiveRecord end private - def create_table_definition - TableDefinition.new(self) + def create_table_definition(name, temporary, options) + TableDefinition.new native_database_types, name, temporary, options + end + + def create_alter_table(name) + AlterTable.new create_table_definition(name, false, {}) end def update_table_definition(table_name, base) diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb index 7949bcb5ce..0ebe46be55 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb @@ -100,6 +100,75 @@ module ActiveRecord @visitor = nil end + class SchemaCreation + def initialize(conn) + @conn = conn + @cache = {} + end + + def accept(o) + m = @cache[o.class] ||= "visit_#{o.class.name.split('::').last}" + send m, o + end + + private + + def visit_AlterTable(o) + sql = "ALTER TABLE #{quote_table_name(o.name)} " + sql << o.adds.map { |col| visit_AddColumn col }.join(' ') + end + + def visit_AddColumn(o) + sql_type = type_to_sql(o.type.to_sym, o.limit, o.precision, o.scale) + sql = "ADD #{quote_column_name(o.name)} #{sql_type}" + add_column_options!(sql, column_options(o)) + end + + def visit_ColumnDefinition(o) + sql_type = type_to_sql(o.type.to_sym, o.limit, o.precision, o.scale) + column_sql = "#{quote_column_name(o.name)} #{sql_type}" + add_column_options!(column_sql, column_options(o)) unless o.primary_key? + column_sql + end + + def visit_TableDefinition(o) + create_sql = "CREATE#{' TEMPORARY' if o.temporary} TABLE " + create_sql << "#{quote_table_name(o.name)} (" + create_sql << o.columns.map { |c| accept c }.join(', ') + create_sql << ") #{o.options}" + create_sql + end + + def column_options(o) + column_options = {} + column_options[:null] = o.null unless o.null.nil? + column_options[:default] = o.default unless o.default.nil? + column_options[:column] = o + column_options + end + + def quote_column_name(name) + @conn.quote_column_name name + end + + def quote_table_name(name) + @conn.quote_table_name name + end + + def type_to_sql(type, limit, precision, scale) + @conn.type_to_sql type.to_sym, limit, precision, scale + end + + def add_column_options!(column_sql, column_options) + @conn.add_column_options! column_sql, column_options + column_sql + end + end + + def schema_creation + SchemaCreation.new self + end + def lease synchronize do unless in_use diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb index f88f5742a8..b1baf24cb6 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -3,6 +3,27 @@ require 'arel/visitors/bind_visitor' module ActiveRecord module ConnectionAdapters class AbstractMysqlAdapter < AbstractAdapter + class SchemaCreation < AbstractAdapter::SchemaCreation + private + + def visit_AddColumn(o) + add_column_position!(super, o) + end + + def add_column_position!(sql, column) + if column.first + sql << " FIRST" + elsif column.after + sql << " AFTER #{quote_column_name(column.after)}" + end + sql + end + end + + def schema_creation + SchemaCreation.new self + end + class Column < ConnectionAdapters::Column # :nodoc: attr_reader :collation, :strict @@ -459,10 +480,6 @@ module ActiveRecord rename_table_indexes(table_name, new_name) end - def add_column(table_name, column_name, type, options = {}) - execute("ALTER TABLE #{quote_table_name(table_name)} #{add_column_sql(table_name, column_name, type, options)}") - end - def change_column_default(table_name, column_name, default) column = column_for(table_name, column_name) change_column table_name, column_name, column.sql_type, :default => default diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb index 43f991b362..49b93e5626 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb @@ -18,10 +18,12 @@ module ActiveRecord def quote(value, column = nil) #:nodoc: return super unless column + sql_type = type_to_sql(column.type, column.limit, column.precision, column.scale) + case value when Range - if /range$/ =~ column.sql_type - "'#{PostgreSQLColumn.range_to_string(value)}'::#{column.sql_type}" + if /range$/ =~ sql_type + "'#{PostgreSQLColumn.range_to_string(value)}'::#{sql_type}" else super end @@ -32,13 +34,13 @@ module ActiveRecord super end when Hash - case column.sql_type + case sql_type when 'hstore' then super(PostgreSQLColumn.hstore_to_string(value), column) when 'json' then super(PostgreSQLColumn.json_to_string(value), column) else super end when IPAddr - case column.sql_type + case sql_type when 'inet', 'cidr' then super(PostgreSQLColumn.cidr_to_string(value), column) else super end @@ -51,14 +53,14 @@ module ActiveRecord super end when Numeric - if column.sql_type == 'money' || [:string, :text].include?(column.type) + if sql_type == 'money' || [:string, :text].include?(column.type) # Not truly string input, so doesn't require (or allow) escape string syntax. "'#{value}'" else super end when String - case column.sql_type + case sql_type when 'bytea' then "'#{escape_bytea(value)}'" when 'xml' then "xml '#{quote_string(value)}'" when /^bit/ diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb index 3bc61c5e0c..0622d0a909 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -1,6 +1,42 @@ module ActiveRecord module ConnectionAdapters class PostgreSQLAdapter < AbstractAdapter + class SchemaCreation < AbstractAdapter::SchemaCreation + private + + def visit_AddColumn(o) + sql_type = type_to_sql(o.type.to_sym, o.limit, o.precision, o.scale) + sql = "ADD COLUMN #{quote_column_name(o.name)} #{sql_type}" + add_column_options!(sql, column_options(o)) + end + + def visit_ColumnDefinition(o) + sql = super + if o.primary_key? && o.type == :uuid + sql << " PRIMARY KEY " + add_column_options!(sql, column_options(o)) + end + sql + end + + def add_column_options!(sql, options) + if options[:array] || options[:column].try(:array) + sql << '[]' + end + + column = options.fetch(:column) { return super } + if column.type == :uuid && options[:default] =~ /\(\)/ + sql << " DEFAULT #{options[:default]}" + else + super + end + end + end + + def schema_creation + SchemaCreation.new self + end + module SchemaStatements # Drops the database specified on the +name+ attribute # and creates it again using the provided +options+. @@ -337,10 +373,7 @@ module ActiveRecord # See TableDefinition#column for details of the options you can use. def add_column(table_name, column_name, type, options = {}) clear_cache! - add_column_sql = "ALTER TABLE #{quote_table_name(table_name)} ADD COLUMN #{quote_column_name(column_name)} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}" - add_column_options!(add_column_sql, options) - - execute add_column_sql + super end # Changes the column of a table. diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb index 940de7e4f6..6f1eb25990 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb @@ -330,6 +330,13 @@ module ActiveRecord class TableDefinition < ActiveRecord::ConnectionAdapters::TableDefinition include ColumnMethods + def primary_key(name, type = :primary_key, options = {}) + return super unless type == :uuid + options[:default] ||= 'uuid_generate_v4()' + options[:primary_key] = true + column name, type, options + end + def column(name, type = nil, options = {}) super column = self[name] @@ -344,8 +351,8 @@ module ActiveRecord private - def create_column_definition(base, name, type) - ColumnDefinition.new base, name, type + def create_column_definition(name, type) + ColumnDefinition.new name, type end end @@ -627,19 +634,6 @@ module ActiveRecord @table_alias_length ||= query('SHOW max_identifier_length', 'SCHEMA')[0][0].to_i end - def add_column_options!(sql, options) - if options[:array] || options[:column].try(:array) - sql << '[]' - end - - column = options.fetch(:column) { return super } - if column.type == :uuid && options[:default] =~ /\(\)/ - sql << " DEFAULT #{options[:default]}" - else - super - end - end - # Set the authorized user for this session def session_auth=(user) clear_cache! @@ -900,8 +894,8 @@ module ActiveRecord $1.strip if $1 end - def create_table_definition - TableDefinition.new(self) + def create_table_definition(name, temporary, options) + TableDefinition.new native_database_types, name, temporary, options end def update_table_definition(table_name, base) diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index d3ffee3a8b..50d189d27a 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -458,7 +458,7 @@ module ActiveRecord def remove_column(table_name, column_name, type = nil, options = {}) #:nodoc: alter_table(table_name) do |definition| - definition.columns.delete(definition[column_name]) + definition.remove_column column_name end end diff --git a/activerecord/test/cases/adapters/postgresql/uuid_test.rb b/activerecord/test/cases/adapters/postgresql/uuid_test.rb index 53002c5265..c0c0e8898c 100644 --- a/activerecord/test/cases/adapters/postgresql/uuid_test.rb +++ b/activerecord/test/cases/adapters/postgresql/uuid_test.rb @@ -35,6 +35,16 @@ class PostgresqlUUIDTest < ActiveRecord::TestCase @connection.execute 'drop table if exists pg_uuids' end + def test_id_is_uuid + assert_equal :uuid, UUID.columns_hash['id'].type + assert UUID.primary_key + end + + def test_id_has_a_default + u = UUID.create + assert_not_nil u.id + end + def test_auto_create_uuid u = UUID.create u.reload diff --git a/activerecord/test/cases/column_definition_test.rb b/activerecord/test/cases/column_definition_test.rb index bd2fbaa7db..dbb2f223cd 100644 --- a/activerecord/test/cases/column_definition_test.rb +++ b/activerecord/test/cases/column_definition_test.rb @@ -8,6 +8,7 @@ module ActiveRecord def @adapter.native_database_types {:string => "varchar"} end + @viz = @adapter.schema_creation end def test_can_set_coder @@ -35,25 +36,25 @@ module ActiveRecord def test_should_not_include_default_clause_when_default_is_null column = Column.new("title", nil, "varchar(20)") column_def = ColumnDefinition.new( - @adapter, column.name, "string", + column.name, "string", column.limit, column.precision, column.scale, column.default, column.null) - assert_equal "title varchar(20)", column_def.to_sql + assert_equal "title varchar(20)", @viz.accept(column_def) end def test_should_include_default_clause_when_default_is_present column = Column.new("title", "Hello", "varchar(20)") column_def = ColumnDefinition.new( - @adapter, column.name, "string", + column.name, "string", column.limit, column.precision, column.scale, column.default, column.null) - assert_equal %Q{title varchar(20) DEFAULT 'Hello'}, column_def.to_sql + assert_equal %Q{title varchar(20) DEFAULT 'Hello'}, @viz.accept(column_def) end def test_should_specify_not_null_if_null_option_is_false column = Column.new("title", "Hello", "varchar(20)", false) column_def = ColumnDefinition.new( - @adapter, column.name, "string", + column.name, "string", column.limit, column.precision, column.scale, column.default, column.null) - assert_equal %Q{title varchar(20) DEFAULT 'Hello' NOT NULL}, column_def.to_sql + assert_equal %Q{title varchar(20) DEFAULT 'Hello' NOT NULL}, @viz.accept(column_def) end if current_adapter?(:MysqlAdapter) |