diff options
Diffstat (limited to 'activerecord')
8 files changed, 68 insertions, 39 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index a017ac6f18..6b04a2d6a3 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,13 @@ +* Add expression support on the schema default. + + Example: + + create_table :posts do |t| + t.datetime :published_at, default: -> { 'NOW()' } + end + + *Ryuta Kamizono* + * Fix regression when loading fixture files with symbol keys. Fixes #22584. diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb index bcc41acaa1..7e3760d34b 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb @@ -102,9 +102,13 @@ module ActiveRecord quote_table_name("#{table}.#{attr}") end - def quote_default_expression(value, column) #:nodoc: - value = lookup_cast_type(column.sql_type).serialize(value) - quote(value) + def quote_default_expression(value, column) # :nodoc: + if value.is_a?(Proc) + value.call + else + value = lookup_cast_type(column.sql_type).serialize(value) + quote(value) + end end def quoted_true diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb index 797662d07c..a95109fdae 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb @@ -76,11 +76,17 @@ module ActiveRecord def schema_default(column) type = lookup_cast_type_from_column(column) default = type.deserialize(column.default) - unless default.nil? + if default.nil? + schema_expression(column) + else type.type_cast_for_schema(default) end end + def schema_expression(column) + "-> { #{column.default_function.inspect} }" if column.default_function + end + def schema_collation(column) column.collation.inspect if column.collation end diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb index d5879ea7df..c1c77a967e 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb @@ -55,10 +55,11 @@ module ActiveRecord end end - # Does not quote function default values for UUID columns - def quote_default_expression(value, column) #:nodoc: - if column.type == :uuid && value =~ /\(\)/ - value + def quote_default_expression(value, column) # :nodoc: + if value.is_a?(Proc) + value.call + elsif column.type == :uuid && value =~ /\(\)/ + value # Does not quote function default values for UUID columns elsif column.respond_to?(:array?) value = type_cast_from_column(column, value) quote(value) diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_dumper.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_dumper.rb index a4f0742516..cc7721ddd8 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_dumper.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_dumper.rb @@ -9,7 +9,7 @@ module ActiveRecord spec[:id] = ':bigserial' elsif column.type == :uuid spec[:id] = ':uuid' - spec[:default] = column.default_function.inspect + spec[:default] = schema_default(column) || 'nil' else spec[:id] = column.type.inspect spec.merge!(prepare_column_options(column).delete_if { |key, _| [:name, :type, :null].include?(key) }) @@ -41,12 +41,8 @@ module ActiveRecord end end - def schema_default(column) - if column.default_function - column.default_function.inspect unless column.serial? - else - super - end + def schema_expression(column) + super unless column.serial? end end end diff --git a/activerecord/test/cases/adapters/postgresql/uuid_test.rb b/activerecord/test/cases/adapters/postgresql/uuid_test.rb index 3d90790367..7628075ad2 100644 --- a/activerecord/test/cases/adapters/postgresql/uuid_test.rb +++ b/activerecord/test/cases/adapters/postgresql/uuid_test.rb @@ -197,14 +197,14 @@ class PostgresqlUUIDGenerationTest < ActiveRecord::PostgreSQLTestCase def test_schema_dumper_for_uuid_primary_key schema = dump_table_schema "pg_uuids" - assert_match(/\bcreate_table "pg_uuids", id: :uuid, default: "uuid_generate_v1\(\)"/, schema) - assert_match(/t\.uuid "other_uuid", default: "uuid_generate_v4\(\)"/, schema) + assert_match(/\bcreate_table "pg_uuids", id: :uuid, default: -> { "uuid_generate_v1\(\)" }/, schema) + assert_match(/t\.uuid "other_uuid", default: -> { "uuid_generate_v4\(\)" }/, schema) end def test_schema_dumper_for_uuid_primary_key_with_custom_default schema = dump_table_schema "pg_uuids_2" - assert_match(/\bcreate_table "pg_uuids_2", id: :uuid, default: "my_uuid_generator\(\)"/, schema) - assert_match(/t\.uuid "other_uuid_2", default: "my_uuid_generator\(\)"/, schema) + assert_match(/\bcreate_table "pg_uuids_2", id: :uuid, default: -> { "my_uuid_generator\(\)" }/, schema) + assert_match(/t\.uuid "other_uuid_2", default: -> { "my_uuid_generator\(\)" }/, schema) end end end diff --git a/activerecord/test/cases/defaults_test.rb b/activerecord/test/cases/defaults_test.rb index fb2d3bd497..ab5641d2dd 100644 --- a/activerecord/test/cases/defaults_test.rb +++ b/activerecord/test/cases/defaults_test.rb @@ -1,4 +1,5 @@ require "cases/helper" +require 'support/schema_dumping_helper' require 'models/default' require 'models/entrant' @@ -80,6 +81,20 @@ class DefaultStringsTest < ActiveRecord::TestCase end end +if current_adapter?(:PostgreSQLAdapter) + class PostgresqlDefaultExpressionTest < ActiveRecord::TestCase + include SchemaDumpingHelper + + test "schema dump includes default expression" do + output = dump_table_schema("defaults") + assert_match %r/t\.date\s+"modified_date",\s+default: -> { "\('now'::text\)::date" }/, output + assert_match %r/t\.date\s+"modified_date_function",\s+default: -> { "now\(\)" }/, output + assert_match %r/t\.datetime\s+"modified_time",\s+default: -> { "now\(\)" }/, output + assert_match %r/t\.datetime\s+"modified_time_function",\s+default: -> { "now\(\)" }/, output + end + end +end + if current_adapter?(:Mysql2Adapter) class DefaultsTestWithoutTransactionalFixtures < ActiveRecord::TestCase # ActiveRecord::Base#create! (and #save and other related methods) will diff --git a/activerecord/test/schema/postgresql_specific_schema.rb b/activerecord/test/schema/postgresql_specific_schema.rb index df0362573b..3a5d73a0ed 100644 --- a/activerecord/test/schema/postgresql_specific_schema.rb +++ b/activerecord/test/schema/postgresql_specific_schema.rb @@ -11,7 +11,23 @@ ActiveRecord::Schema.define do t.uuid :uuid_parent_id end - %w(postgresql_times postgresql_oids defaults postgresql_timestamp_with_zones + create_table :defaults, force: true do |t| + t.date :modified_date, default: -> { 'CURRENT_DATE' } + t.date :modified_date_function, default: -> { 'now()' } + t.date :fixed_date, default: '2004-01-01' + t.datetime :modified_time, default: -> { 'CURRENT_TIMESTAMP' } + t.datetime :modified_time_function, default: -> { 'now()' } + t.datetime :fixed_time, default: '2004-01-01 00:00:00.000000-00' + t.column :char1, 'char(1)', default: 'Y' + t.string :char2, limit: 50, default: 'a varchar field' + t.text :char3, default: 'a text field' + t.bigint :bigint_default, default: -> { '0::bigint' } + t.text :multiline_default, default: '--- [] + +' + end + + %w(postgresql_times postgresql_oids postgresql_timestamp_with_zones postgresql_partitioned_table postgresql_partitioned_table_parent).each do |table_name| drop_table table_name, if_exists: true end @@ -28,25 +44,6 @@ ActiveRecord::Schema.define do end execute <<_SQL - CREATE TABLE defaults ( - id serial primary key, - modified_date date default CURRENT_DATE, - modified_date_function date default now(), - fixed_date date default '2004-01-01', - modified_time timestamp default CURRENT_TIMESTAMP, - modified_time_function timestamp default now(), - fixed_time timestamp default '2004-01-01 00:00:00.000000-00', - char1 char(1) default 'Y', - char2 character varying(50) default 'a varchar field', - char3 text default 'a text field', - bigint_default bigint default 0::bigint, - multiline_default text DEFAULT '--- [] - -'::text -); -_SQL - - execute <<_SQL CREATE TABLE postgresql_times ( id SERIAL PRIMARY KEY, time_interval INTERVAL, |