diff options
4 files changed, 30 insertions, 13 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md index d880470d97..60fd8b85b9 100644 --- a/activerecord/CHANGELOG.md +++ b/activerecord/CHANGELOG.md @@ -1,3 +1,9 @@ +* 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/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb index d114cad16b..d1a02991f6 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -214,8 +214,8 @@ module ActiveRecord 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]} #{schema_name} CASCADE" end # Sets the schema search path to a string of comma-separated schema names. 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..6edd3c4868 100644 --- a/activerecord/test/cases/adapters/postgresql/schema_test.rb +++ b/activerecord/test/cases/adapters/postgresql/schema_test.rb @@ -84,8 +84,8 @@ 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 +121,17 @@ 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 +141,16 @@ 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 @@ -462,14 +473,14 @@ 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 +498,7 @@ 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 |