diff options
Diffstat (limited to 'activerecord')
16 files changed, 204 insertions, 47 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index d880470d97..ec3ec06c2b 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,21 @@ +* PostgreSQL, `create_schema`, `drop_schema` and `rename_table` now quote + schema names. + + Fixes #21418. + + Example: + + create_schema("my.schema") + # CREATE SCHEMA "my.schema"; + + *Yves Senn* + +* PostgreSQL, add `:if_exists` option to `#drop_schema`. This makes it + possible to drop a schema that might exist without raising an exception if + it doesn't. + + *Yves Senn* + * Only try to nullify has_one target association if the record is persisted. Fixes #21223. diff --git a/activerecord/lib/active_record/attribute_methods/read.rb b/activerecord/lib/active_record/attribute_methods/read.rb index 2363cf7608..5197e21fa4 100644 --- a/activerecord/lib/active_record/attribute_methods/read.rb +++ b/activerecord/lib/active_record/attribute_methods/read.rb @@ -56,14 +56,12 @@ module ActiveRecord end end - ID = 'id'.freeze - # Returns the value of the attribute identified by <tt>attr_name</tt> after # it has been typecast (for example, "2004-12-12" in a date column is cast # to a date object, like Date.new(2004, 12, 12)). def read_attribute(attr_name, &block) name = attr_name.to_s - name = self.class.primary_key if name == ID + name = self.class.primary_key if name == 'id'.freeze _read_attribute(name, &block) end 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 b3e55a0b90..7b47539596 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -727,8 +727,10 @@ module ActiveRecord # SHOW VARIABLES LIKE 'name' def show_variable(name) - variables = select_all("SHOW VARIABLES LIKE '#{name}'", 'SCHEMA') + variables = select_all("select @@#{name} as 'Value'", 'SCHEMA') variables.first['Value'] unless variables.empty? + rescue ActiveRecord::StatementInvalid + nil end # Returns a table's primary key and belonging sequence. diff --git a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb index 2ae462d773..0738c59ddf 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb @@ -223,7 +223,7 @@ module ActiveRecord return @client_encoding if @client_encoding result = exec_query( - "SHOW VARIABLES WHERE Variable_name = 'character_set_client'", + "select @@character_set_client", 'SCHEMA') @client_encoding = ENCODINGS[result.rows.last.last] end diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb index f175730551..d5879ea7df 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb @@ -31,6 +31,11 @@ module ActiveRecord Utils.extract_schema_qualified_name(name.to_s).quoted end + # Quotes schema names for use in SQL queries. + def quote_schema_name(name) + PGconn.quote_ident(name) + end + def quote_table_name_for_assignment(table, attr) quote_column_name(attr) end 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 d114cad16b..a3fc8fbc51 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -68,7 +68,7 @@ module ActiveRecord execute "DROP DATABASE IF EXISTS #{quote_table_name(name)}" end - # Returns the list of all tables in the schema search path or a specified schema. + # Returns the list of all tables in the schema search path. def tables(name = nil) select_values("SELECT tablename FROM pg_tables WHERE schemaname = ANY(current_schemas(false))", 'SCHEMA') end @@ -210,12 +210,12 @@ module ActiveRecord # Creates a schema for the given schema name. def create_schema schema_name - execute "CREATE SCHEMA #{schema_name}" + execute "CREATE SCHEMA #{quote_schema_name(schema_name)}" end # Drops the schema for the given schema name. - def drop_schema schema_name - execute "DROP SCHEMA #{schema_name} CASCADE" + def drop_schema(schema_name, options = {}) + execute "DROP SCHEMA#{' IF EXISTS' if options[:if_exists]} #{quote_schema_name(schema_name)} CASCADE" end # Sets the schema search path to a string of comma-separated schema names. @@ -376,7 +376,7 @@ module ActiveRecord new_seq = "#{new_name}_#{pk}_seq" idx = "#{table_name}_pkey" new_idx = "#{new_name}_pkey" - execute "ALTER TABLE #{quote_table_name(seq)} RENAME TO #{quote_table_name(new_seq)}" + execute "ALTER TABLE #{seq.quoted} RENAME TO #{quote_table_name(new_seq)}" execute "ALTER INDEX #{quote_table_name(idx)} RENAME TO #{quote_table_name(new_idx)}" end diff --git a/activerecord/lib/active_record/migration.rb b/activerecord/lib/active_record/migration.rb index 93e7a04f55..112d52024f 100644 --- a/activerecord/lib/active_record/migration.rb +++ b/activerecord/lib/active_record/migration.rb @@ -9,9 +9,9 @@ module ActiveRecord end end - # Exception that can be raised to stop migrations from going backwards. - # For example <tt>IrreversibleMigrationExample</tt> is not reversible. - # When you rollback this migration, <tt>ActiveRecord::IrreversibleMigration</tt> is raised. + # Exception that can be raised to stop migrations from being rolled back. + # For example the following migration is not reversible. + # Rolling back this migration will raise an ActiveRecord::IrreversibleMigration error. # # class IrreversibleMigrationExample < ActiveRecord::Migration # def change @@ -29,7 +29,7 @@ module ActiveRecord # # There are two ways to mitigate this problem. # - # 1. Use <tt>up</tt> and <tt>down</tt> methods instead of <tt>change</tt>: + # 1. Define <tt>#up</tt> and <tt>#down</tt> methods instead of <tt>#change</tt>: # # class ReversibleMigrationExample < ActiveRecord::Migration # def up @@ -54,7 +54,7 @@ module ActiveRecord # end # end # - # 2. Use <tt>reversible</tt> method in <tt>change</tt> method: + # 2. Use the #reversible method in <tt>#change</tt> method: # # class ReversibleMigrationExample < ActiveRecord::Migration # def change @@ -238,7 +238,7 @@ module ActiveRecord # # rails generate migration add_fieldname_to_tablename fieldname:string # - # This will generate the file <tt>timestamp_add_fieldname_to_tablename</tt>, which will look like this: + # This will generate the file <tt>timestamp_add_fieldname_to_tablename.rb</tt>, which will look like this: # class AddFieldnameToTablename < ActiveRecord::Migration # def change # add_column :tablenames, :fieldname, :string diff --git a/activerecord/lib/active_record/migration/command_recorder.rb b/activerecord/lib/active_record/migration/command_recorder.rb index 73dc51912a..4c4afb4dbd 100644 --- a/activerecord/lib/active_record/migration/command_recorder.rb +++ b/activerecord/lib/active_record/migration/command_recorder.rb @@ -5,10 +5,22 @@ module ActiveRecord # knows how to invert the following commands: # # * add_column + # * add_foreign_key # * add_index + # * add_reference # * add_timestamps - # * create_table + # * change_column_default (must supply a :from and :to option) + # * change_column_null # * create_join_table + # * create_table + # * disable_extension + # * drop_join_table + # * drop_table (must supply a block) + # * enable_extension + # * remove_column (must supply a type) + # * remove_foreign_key (must supply a second table) + # * remove_index + # * remove_reference # * remove_timestamps # * rename_column # * rename_index @@ -17,7 +29,7 @@ module ActiveRecord ReversibleAndIrreversibleMethods = [:create_table, :create_join_table, :rename_table, :add_column, :remove_column, :rename_index, :rename_column, :add_index, :remove_index, :add_timestamps, :remove_timestamps, :change_column_default, :add_reference, :remove_reference, :transaction, - :drop_join_table, :drop_table, :execute_block, :enable_extension, + :drop_join_table, :drop_table, :execute_block, :enable_extension, :disable_extension, :change_column, :execute, :remove_columns, :change_column_null, :add_foreign_key, :remove_foreign_key ] @@ -48,7 +60,7 @@ module ActiveRecord @reverting = !@reverting end - # record +command+. +command+ should be a method name and arguments. + # Record +command+. +command+ should be a method name and arguments. # For example: # # recorder.record(:method_name, [:arg1, :arg2]) @@ -70,10 +82,10 @@ module ActiveRecord def inverse_of(command, args, &block) method = :"invert_#{command}" raise IrreversibleMigration, <<-MSG.strip_heredoc unless respond_to?(method, true) - This migration uses #{command} that is not automatically reversible. - There are two ways to mitigate this problem. - 1. Define up and down methods instead of change method - 2. Use reversible method in change method + This migration uses #{command}, which is not automatically reversible. + To make the migration reversible you can either: + 1. Define #up and #down methods in place of the #change method. + 2. Use the #reversible method to define reversible behavior. MSG send(method, args, &block) end diff --git a/activerecord/lib/active_record/relation/merger.rb b/activerecord/lib/active_record/relation/merger.rb index 0b38666ce9..cb971eb255 100644 --- a/activerecord/lib/active_record/relation/merger.rb +++ b/activerecord/lib/active_record/relation/merger.rb @@ -148,11 +148,15 @@ module ActiveRecord end end + CLAUSE_METHOD_NAMES = CLAUSE_METHODS.map do |name| + ["#{name}_clause", "#{name}_clause="] + end + def merge_clauses - CLAUSE_METHODS.each do |name| - clause = relation.send("#{name}_clause") - other_clause = other.send("#{name}_clause") - relation.send("#{name}_clause=", clause.merge(other_clause)) + CLAUSE_METHOD_NAMES.each do |(reader, writer)| + clause = relation.send(reader) + other_clause = other.send(reader) + relation.send(writer, clause.merge(other_clause)) end end end diff --git a/activerecord/lib/active_record/type/decimal.rb b/activerecord/lib/active_record/type/decimal.rb index f200a92d10..f5b145230d 100644 --- a/activerecord/lib/active_record/type/decimal.rb +++ b/activerecord/lib/active_record/type/decimal.rb @@ -14,7 +14,7 @@ module ActiveRecord private def cast_value(value) - case value + casted_value = case value when ::Float convert_float_to_big_decimal(value) when ::Numeric, ::String @@ -26,6 +26,8 @@ module ActiveRecord cast_value(value.to_s) end end + + scale ? casted_value.round(scale) : casted_value end def convert_float_to_big_decimal(value) diff --git a/activerecord/test/cases/adapters/postgresql/schema_authorization_test.rb b/activerecord/test/cases/adapters/postgresql/schema_authorization_test.rb index fa6584eae5..a0afd922b2 100644 --- a/activerecord/test/cases/adapters/postgresql/schema_authorization_test.rb +++ b/activerecord/test/cases/adapters/postgresql/schema_authorization_test.rb @@ -31,7 +31,7 @@ class SchemaAuthorizationTest < ActiveRecord::PostgreSQLTestCase set_session_auth @connection.execute "RESET search_path" USERS.each do |u| - @connection.execute "DROP SCHEMA #{u} CASCADE" + @connection.drop_schema u @connection.execute "DROP USER #{u}" end end diff --git a/activerecord/test/cases/adapters/postgresql/schema_test.rb b/activerecord/test/cases/adapters/postgresql/schema_test.rb index 35d5581aa7..ea7e5ac587 100644 --- a/activerecord/test/cases/adapters/postgresql/schema_test.rb +++ b/activerecord/test/cases/adapters/postgresql/schema_test.rb @@ -2,7 +2,17 @@ require "cases/helper" require 'models/default' require 'support/schema_dumping_helper' +module PGSchemaHelper + def with_schema_search_path(schema_search_path) + @connection.schema_search_path = schema_search_path + yield if block_given? + ensure + @connection.schema_search_path = "'$user', public" + end +end + class SchemaTest < ActiveRecord::PostgreSQLTestCase + include PGSchemaHelper self.use_transactional_tests = false SCHEMA_NAME = 'test_schema' @@ -84,8 +94,8 @@ class SchemaTest < ActiveRecord::PostgreSQLTestCase end teardown do - @connection.execute "DROP SCHEMA #{SCHEMA2_NAME} CASCADE" - @connection.execute "DROP SCHEMA #{SCHEMA_NAME} CASCADE" + @connection.drop_schema SCHEMA2_NAME, if_exists: true + @connection.drop_schema SCHEMA_NAME, if_exists: true end def test_schema_names @@ -121,10 +131,17 @@ class SchemaTest < ActiveRecord::PostgreSQLTestCase assert !@connection.schema_names.include?("test_schema3") end + def test_drop_schema_if_exists + @connection.create_schema "some_schema" + assert_includes @connection.schema_names, "some_schema" + @connection.drop_schema "some_schema", if_exists: true + assert_not_includes @connection.schema_names, "some_schema" + end + def test_habtm_table_name_with_schema + ActiveRecord::Base.connection.drop_schema "music", if_exists: true + ActiveRecord::Base.connection.create_schema "music" ActiveRecord::Base.connection.execute <<-SQL - DROP SCHEMA IF EXISTS music CASCADE; - CREATE SCHEMA music; CREATE TABLE music.albums (id serial primary key); CREATE TABLE music.songs (id serial primary key); CREATE TABLE music.albums_songs (album_id integer, song_id integer); @@ -134,12 +151,16 @@ class SchemaTest < ActiveRecord::PostgreSQLTestCase Album.create assert_equal song, Song.includes(:albums).references(:albums).first ensure - ActiveRecord::Base.connection.execute "DROP SCHEMA music CASCADE;" + ActiveRecord::Base.connection.drop_schema "music", if_exists: true end - def test_raise_drop_schema_with_nonexisting_schema + def test_drop_schema_with_nonexisting_schema assert_raises(ActiveRecord::StatementInvalid) do - @connection.drop_schema "test_schema3" + @connection.drop_schema "idontexist" + end + + assert_nothing_raised do + @connection.drop_schema "idontexist", if_exists: true end end @@ -404,13 +425,6 @@ class SchemaTest < ActiveRecord::PostgreSQLTestCase end end - def with_schema_search_path(schema_search_path) - @connection.schema_search_path = schema_search_path - yield if block_given? - ensure - @connection.schema_search_path = "'$user', public" - end - def do_dump_index_tests_for_schema(this_schema_name, first_index_column_name, second_index_column_name, third_index_column_name, fourth_index_column_name) with_schema_search_path(this_schema_name) do indexes = @connection.indexes(TABLE_NAME).sort_by(&:name) @@ -462,14 +476,14 @@ class SchemaForeignKeyTest < ActiveRecord::PostgreSQLTestCase ensure @connection.drop_table "wagons", if_exists: true @connection.drop_table "my_schema.trains", if_exists: true - @connection.execute "DROP SCHEMA IF EXISTS my_schema" + @connection.drop_schema "my_schema", if_exists: true end end class DefaultsUsingMultipleSchemasAndDomainTest < ActiveRecord::PostgreSQLTestCase setup do @connection = ActiveRecord::Base.connection - @connection.execute "DROP SCHEMA IF EXISTS schema_1 CASCADE" + @connection.drop_schema "schema_1", if_exists: true @connection.execute "CREATE SCHEMA schema_1" @connection.execute "CREATE DOMAIN schema_1.text AS text" @connection.execute "CREATE DOMAIN schema_1.varchar AS varchar" @@ -487,7 +501,7 @@ class DefaultsUsingMultipleSchemasAndDomainTest < ActiveRecord::PostgreSQLTestCa teardown do @connection.schema_search_path = @old_search_path - @connection.execute "DROP SCHEMA IF EXISTS schema_1 CASCADE" + @connection.drop_schema "schema_1", if_exists: true Default.reset_column_information end @@ -519,3 +533,40 @@ class DefaultsUsingMultipleSchemasAndDomainTest < ActiveRecord::PostgreSQLTestCa assert_equal "foo'::bar", Default.new.string_col end end + +class SchemaWithDotsTest < ActiveRecord::PostgreSQLTestCase + include PGSchemaHelper + self.use_transactional_tests = false + + setup do + @connection = ActiveRecord::Base.connection + @connection.create_schema "my.schema" + end + + teardown do + @connection.drop_schema "my.schema", if_exists: true + end + + test "rename_table" do + with_schema_search_path('"my.schema"') do + @connection.create_table :posts + @connection.rename_table :posts, :articles + assert_equal ["articles"], @connection.tables + end + end + + test "Active Record basics" do + with_schema_search_path('"my.schema"') do + @connection.create_table :articles do |t| + t.string :title + end + article_class = Class.new(ActiveRecord::Base) do + self.table_name = '"my.schema".articles' + end + + article_class.create!(title: "zOMG, welcome to my blorgh!") + welcome_article = article_class.last + assert_equal "zOMG, welcome to my blorgh!", welcome_article.title + end + end +end diff --git a/activerecord/test/cases/associations_test.rb b/activerecord/test/cases/associations_test.rb index 61e1dd0717..01a058918a 100644 --- a/activerecord/test/cases/associations_test.rb +++ b/activerecord/test/cases/associations_test.rb @@ -12,7 +12,6 @@ require 'models/tag' require 'models/tagging' require 'models/person' require 'models/reader' -require 'models/parrot' require 'models/ship_part' require 'models/ship' require 'models/liquid' diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb index 382adbbdc7..0edb8a8901 100644 --- a/activerecord/test/cases/base_test.rb +++ b/activerecord/test/cases/base_test.rb @@ -946,6 +946,34 @@ class BasicsTest < ActiveRecord::TestCase assert_equal BigDecimal("1000234000567.95"), m1.big_bank_balance end + def test_numeric_fields_with_scale + m = NumericData.new( + :bank_balance => 1586.43122334, + :big_bank_balance => BigDecimal("234000567.952344"), + :world_population => 6000000000, + :my_house_population => 3 + ) + assert m.save + + m1 = NumericData.find(m.id) + assert_not_nil m1 + + # As with migration_test.rb, we should make world_population >= 2**62 + # to cover 64-bit platforms and test it is a Bignum, but the main thing + # is that it's an Integer. + assert_kind_of Integer, m1.world_population + assert_equal 6000000000, m1.world_population + + assert_kind_of Fixnum, m1.my_house_population + assert_equal 3, m1.my_house_population + + assert_kind_of BigDecimal, m1.bank_balance + assert_equal BigDecimal("1586.43"), m1.bank_balance + + assert_kind_of BigDecimal, m1.big_bank_balance + assert_equal BigDecimal("234000567.95"), m1.big_bank_balance + end + def test_auto_id auto = AutoId.new auto.save diff --git a/activerecord/test/cases/invertible_migration_test.rb b/activerecord/test/cases/invertible_migration_test.rb index 1664c9e25d..84b0ff8fcb 100644 --- a/activerecord/test/cases/invertible_migration_test.rb +++ b/activerecord/test/cases/invertible_migration_test.rb @@ -93,6 +93,18 @@ module ActiveRecord end end + class DisableExtension1 < SilentMigration + def change + enable_extension "hstore" + end + end + + class DisableExtension2 < SilentMigration + def change + disable_extension "hstore" + end + end + class LegacyMigration < ActiveRecord::Migration def self.up create_table("horses") do |t| @@ -255,6 +267,27 @@ module ActiveRecord assert_equal "Sekitoba", Horse.new.name end + if current_adapter?(:PostgreSQLAdapter) + def test_migrate_enable_and_disable_extension + migration1 = InvertibleMigration.new + migration2 = DisableExtension1.new + migration3 = DisableExtension2.new + + migration1.migrate(:up) + migration2.migrate(:up) + assert_equal true, Horse.connection.extension_enabled?('hstore') + + migration3.migrate(:up) + assert_equal false, Horse.connection.extension_enabled?('hstore') + + migration3.migrate(:down) + assert_equal true, Horse.connection.extension_enabled?('hstore') + + migration2.migrate(:down) + assert_equal false, Horse.connection.extension_enabled?('hstore') + end + end + def test_revert_order block = Proc.new{|t| t.string :name } recorder = ActiveRecord::Migration::CommandRecorder.new(ActiveRecord::Base.connection) diff --git a/activerecord/test/cases/type/decimal_test.rb b/activerecord/test/cases/type/decimal_test.rb index fe49d0e79a..01ee36b892 100644 --- a/activerecord/test/cases/type/decimal_test.rb +++ b/activerecord/test/cases/type/decimal_test.rb @@ -25,6 +25,11 @@ module ActiveRecord assert_equal BigDecimal("0.33"), type.cast(Rational(1, 3)) end + def test_type_cast_decimal_from_rational_with_precision_and_scale + type = Decimal.new(precision: 4, scale: 2) + assert_equal BigDecimal("0.33"), type.cast(Rational(1, 3)) + end + def test_type_cast_decimal_from_rational_without_precision_defaults_to_18_36 type = Decimal.new assert_equal BigDecimal("0.333333333333333333E0"), type.cast(Rational(1, 3)) |