diff options
Diffstat (limited to 'activerecord')
6 files changed, 59 insertions, 36 deletions
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 718a6c5b91..c7881a6c6c 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb @@ -515,19 +515,21 @@ module ActiveRecord schema, name = extract_schema_qualified_name(table_name) - fk_info = select_all <<-SQL.strip_heredoc - SELECT fk.referenced_table_name as 'to_table' - ,fk.referenced_column_name as 'primary_key' - ,fk.column_name as 'column' - ,fk.constraint_name as 'name' + fk_info = select_all(<<-SQL.strip_heredoc, 'SCHEMA') + SELECT fk.referenced_table_name AS 'to_table', + fk.referenced_column_name AS 'primary_key', + fk.column_name AS 'column', + fk.constraint_name AS 'name', + rc.update_rule AS 'on_update', + rc.delete_rule AS 'on_delete' FROM information_schema.key_column_usage fk - WHERE fk.referenced_column_name is not null + JOIN information_schema.referential_constraints rc + USING (constraint_schema, constraint_name) + WHERE fk.referenced_column_name IS NOT NULL AND fk.table_schema = #{quote(schema)} AND fk.table_name = #{quote(name)} SQL - create_table_info = create_table_info(table_name) - fk_info.map do |row| options = { column: row['column'], @@ -535,8 +537,8 @@ module ActiveRecord primary_key: row['primary_key'] } - options[:on_update] = extract_foreign_key_action(create_table_info, row['name'], "UPDATE") - options[:on_delete] = extract_foreign_key_action(create_table_info, row['name'], "DELETE") + options[:on_update] = extract_foreign_key_action(row['on_update']) + options[:on_delete] = extract_foreign_key_action(row['on_delete']) ForeignKeyDefinition.new(table_name, row['to_table'], options) end @@ -891,12 +893,10 @@ module ActiveRecord end end - def extract_foreign_key_action(structure, name, action) # :nodoc: - if structure =~ /CONSTRAINT #{quote_column_name(name)} FOREIGN KEY .* REFERENCES .* ON #{action} (CASCADE|SET NULL|RESTRICT)/ - case $1 - when 'CASCADE'; :cascade - when 'SET NULL'; :nullify - end + def extract_foreign_key_action(specifier) # :nodoc: + case specifier + when 'CASCADE'; :cascade + when 'SET NULL'; :nullify end 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 f6860b9aba..45507e206a 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -579,7 +579,7 @@ module ActiveRecord end def foreign_keys(table_name) - fk_info = select_all <<-SQL.strip_heredoc + fk_info = select_all(<<-SQL.strip_heredoc, 'SCHEMA') SELECT t2.oid::regclass::text AS to_table, a1.attname AS column, a2.attname AS primary_key, c.conname AS name, c.confupdtype AS on_update, c.confdeltype AS on_delete FROM pg_constraint c JOIN pg_class t1 ON c.conrelid = t1.oid diff --git a/activerecord/test/cases/adapters/mysql2/schema_test.rb b/activerecord/test/cases/adapters/mysql2/schema_test.rb index 43957791b1..57ea8258d1 100644 --- a/activerecord/test/cases/adapters/mysql2/schema_test.rb +++ b/activerecord/test/cases/adapters/mysql2/schema_test.rb @@ -103,3 +103,24 @@ module ActiveRecord end end end + +class Mysql2AnsiQuotesTest < ActiveRecord::Mysql2TestCase + def setup + @connection = ActiveRecord::Base.connection + @connection.execute("SET SESSION sql_mode='ANSI_QUOTES'") + end + + def teardown + @connection.reconnect! + end + + def test_primary_key_method_with_ansi_quotes + assert_equal "id", @connection.primary_key("topics") + end + + def test_foreign_keys_method_with_ansi_quotes + fks = @connection.foreign_keys("lessons_students") + assert_equal([["lessons_students", "students", :cascade]], + fks.map {|fk| [fk.from_table, fk.to_table, fk.on_delete] }) + end +end diff --git a/activerecord/test/cases/migration/foreign_key_test.rb b/activerecord/test/cases/migration/foreign_key_test.rb index 01162dcefe..49a8fa241f 100644 --- a/activerecord/test/cases/migration/foreign_key_test.rb +++ b/activerecord/test/cases/migration/foreign_key_test.rb @@ -232,6 +232,10 @@ module ActiveRecord t.column :city_id, :integer end add_foreign_key :houses, :cities, column: "city_id" + + # remove and re-add to test that schema is updated and not accidently cached + remove_foreign_key :houses, :cities + add_foreign_key :houses, :cities, column: "city_id", on_delete: :cascade end end @@ -243,6 +247,15 @@ module ActiveRecord silence_stream($stdout) { migration.migrate(:down) } end + def test_foreign_key_constraint_is_not_cached_incorrectly + migration = CreateCitiesAndHousesMigration.new + silence_stream($stdout) { migration.migrate(:up) } + output = dump_table_schema "houses" + assert_match %r{\s+add_foreign_key "houses",.+on_delete: :cascade$}, output + ensure + silence_stream($stdout) { migration.migrate(:down) } + end + class CreateSchoolsAndClassesMigration < ActiveRecord::Migration::Current def change create_table(:schools) diff --git a/activerecord/test/cases/primary_keys_test.rb b/activerecord/test/cases/primary_keys_test.rb index 66b625cff5..4267ad4a24 100644 --- a/activerecord/test/cases/primary_keys_test.rb +++ b/activerecord/test/cases/primary_keys_test.rb @@ -283,18 +283,6 @@ class CompositePrimaryKeyTest < ActiveRecord::TestCase end if current_adapter?(:Mysql2Adapter) - class PrimaryKeyWithAnsiQuotesTest < ActiveRecord::TestCase - self.use_transactional_tests = false - - def test_primary_key_method_with_ansi_quotes - con = ActiveRecord::Base.connection - con.execute("SET SESSION sql_mode='ANSI_QUOTES'") - assert_equal "id", con.primary_key("topics") - ensure - con.reconnect! - end - end - class PrimaryKeyBigintNilDefaultTest < ActiveRecord::TestCase include SchemaDumpingHelper diff --git a/activerecord/test/schema/schema.rb b/activerecord/test/schema/schema.rb index 628a59c2e3..2f2993ce18 100644 --- a/activerecord/test/schema/schema.rb +++ b/activerecord/test/schema/schema.rb @@ -409,6 +409,14 @@ ActiveRecord::Schema.define do t.references :student end + create_table :students, force: true do |t| + t.string :name + t.boolean :active + t.integer :college_id + end + + add_foreign_key :lessons_students, :students, on_delete: :cascade + create_table :lint_models, force: true create_table :line_items, force: true do |t| @@ -777,12 +785,6 @@ ActiveRecord::Schema.define do t.integer :lock_version, null: false, default: 0 end - create_table :students, force: true do |t| - t.string :name - t.boolean :active - t.integer :college_id - end - create_table :subscribers, force: true, id: false do |t| t.string :nick, null: false t.string :name @@ -1002,7 +1004,6 @@ ActiveRecord::Schema.define do end add_foreign_key :fk_test_has_fk, :fk_test_has_pk, column: "fk_id", name: "fk_name", primary_key: "pk_id" - add_foreign_key :lessons_students, :students end create_table :overloaded_types, force: true do |t| |