#coding:utf-8 """ ID: optimizer.aggregate-distribution-11 TITLE: Try to deliver HAVING CLAUSE conjunctions to the WHERE clause DESCRIPTION: Comparisons which doesn't contain (anywhere hiding in the expression) aggregate-functions should be delivered to the where clause. The underlying aggregate stream could possible use it for a index and speed it up. FBTEST: functional.arno.optimizer.opt_aggregate_distribution_11 """ 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, 'White'); INSERT INTO Colors (ColorID, ColorName) VALUES (3, 'Blue'); INSERT INTO Colors (ColorID, ColorName) VALUES (4, 'Yellow'); INSERT INTO Colors (ColorID, ColorName) VALUES (5, 'Black'); INSERT INTO Colors (ColorID, ColorName) VALUES (6, 'Purple'); /* insert some data with references */ INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (1, 'Red Rose', 1); INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (2, 'White Rose', 2); INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (3, 'Blue Rose', 3); INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (4, 'Yellow Rose', 4); INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (5, 'Black Rose', 5); INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (6, 'Red Tulip', 1); INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (7, 'White Tulip', 2); INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (8, 'Yellow Tulip', 4); INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (9, 'Blue Gerbera', 3); INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (10, 'Purple Gerbera', 6); 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; SELECT f.ColorID, c.ColorName, Count(*) FROM Flowers f LEFT JOIN Colors c ON (c.ColorID = f.ColorID) GROUP BY f.ColorID, c.ColorName HAVING f.ColorID BETWEEN 2 and 4;""" act = isql_act('db', test_script) expected_stdout = """PLAN SORT (JOIN (F INDEX (FK_FLOWERS_COLORS), C INDEX (PK_COLORS))) COLORID COLORNAME COUNT ============ ==================== ===================== 2 White 2 3 Blue 2 4 Yellow 2 """ @pytest.mark.version('>=3.0') def test_1(act: Action): act.expected_stdout = expected_stdout act.execute() assert act.clean_stdout == act.clean_expected_stdout