#coding:utf-8 """ ID: optimizer.left-join-04 TITLE: LEFT OUTER JOIN with full match DESCRIPTION: TableX LEFT OUTER JOIN TableY with full match. Every reference from TableY should have a value. This test also tests if not the ON clause is distributed to the outer context TableX. FBTEST: functional.arno.optimizer.opt_left_join_04 """ import pytest from firebird.qa import * init_script = """CREATE TABLE Colors ( ColorID INTEGER NOT NULL, ColorName VARCHAR(20) ); CREATE TABLE Flowers ( FlowerID INTEGER NOT NULL, FlowerName VARCHAR(30), ColorID INTEGER ); COMMIT; /* Value 0 represents -no value- */ INSERT INTO Colors (ColorID, ColorName) VALUES (0, 'Not defined'); INSERT INTO Colors (ColorID, ColorName) VALUES (1, 'Red'); INSERT INTO Colors (ColorID, ColorName) VALUES (2, 'Yellow'); /* insert some data with references */ INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (1, 'Rose', 1); INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (2, 'Tulip', 2); INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (3, 'Gerbera', 0); COMMIT; /* Normally these indexes are created by the primary/foreign keys, but we don't want to rely on them for this test */ CREATE UNIQUE ASC INDEX PK_Colors ON Colors (ColorID); CREATE UNIQUE ASC INDEX PK_Flowers ON Flowers (FlowerID); CREATE ASC INDEX FK_Flowers_Colors ON Flowers (ColorID); COMMIT; """ db = db_factory(init=init_script) test_script = """SET PLAN ON; /* LEFT JOIN should return all lookups */ SELECT f.FlowerName, c.ColorName FROM Flowers f LEFT JOIN Colors c ON (c.ColorID = f.ColorID);""" act = isql_act('db', test_script) expected_stdout = """PLAN JOIN (F NATURAL, C INDEX (PK_COLORS)) FLOWERNAME COLORNAME ============================== ==================== Rose Red Tulip Yellow Gerbera Not defined""" @pytest.mark.version('>=3') def test_1(act: Action): act.expected_stdout = expected_stdout act.execute() assert act.clean_stdout == act.clean_expected_stdout