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99 lines
3.4 KiB
Python
99 lines
3.4 KiB
Python
#coding:utf-8
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#
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# id: functional.arno.optimizer.opt_aggregate_distribution_08
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# title: Try to deliver HAVING CLAUSE conjunctions to the WHERE clause
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# decription: 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.
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# tracker_id:
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# min_versions: []
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# versions: 3.0
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# qmid: functional.arno.optimizer.opt_aggregate_distribution_08
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import pytest
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from firebird.qa import db_factory, isql_act, Action
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# version: 3.0
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# resources: None
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substitutions_1 = []
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init_script_1 = """CREATE TABLE Colors (
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ColorID INTEGER NOT NULL,
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ColorName VARCHAR(20)
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);
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CREATE TABLE Flowers (
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FlowerID INTEGER NOT NULL,
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FlowerName VARCHAR(30),
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ColorID INTEGER
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);
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COMMIT;
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/* Value 0 represents -no value- */
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INSERT INTO Colors (ColorID, ColorName) VALUES (0, 'Not defined');
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INSERT INTO Colors (ColorID, ColorName) VALUES (1, 'Red');
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INSERT INTO Colors (ColorID, ColorName) VALUES (2, 'White');
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INSERT INTO Colors (ColorID, ColorName) VALUES (3, 'Blue');
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INSERT INTO Colors (ColorID, ColorName) VALUES (4, 'Yellow');
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INSERT INTO Colors (ColorID, ColorName) VALUES (5, 'Black');
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INSERT INTO Colors (ColorID, ColorName) VALUES (6, 'Purple');
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/* insert some data with references */
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INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (1, 'Red Rose', 1);
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INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (2, 'White Rose', 2);
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INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (3, 'Blue Rose', 3);
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INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (4, 'Yellow Rose', 4);
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INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (5, 'Black Rose', 5);
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INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (6, 'Red Tulip', 1);
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INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (7, 'White Tulip', 2);
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INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (8, 'Yellow Tulip', 4);
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INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (9, 'Blue Gerbera', 3);
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INSERT INTO Flowers (FlowerID, FlowerName, ColorID) VALUES (10, 'Purple Gerbera', 6);
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COMMIT;
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/* Normally these indexes are created by the primary/foreign keys,
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but we don't want to rely on them for this test */
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CREATE UNIQUE ASC INDEX PK_Colors ON Colors (ColorID);
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CREATE UNIQUE ASC INDEX PK_Flowers ON Flowers (FlowerID);
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CREATE ASC INDEX FK_Flowers_Colors ON Flowers (ColorID);
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COMMIT;
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"""
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db_1 = db_factory(sql_dialect=3, init=init_script_1)
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test_script_1 = """SET PLAN ON;
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SELECT
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f.ColorID,
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c.ColorName,
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Count(*)
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FROM
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Flowers f
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LEFT JOIN Colors c ON (c.ColorID = f.ColorID)
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GROUP BY
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f.ColorID, c.ColorName
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HAVING
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f.ColorID > 1;"""
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act_1 = isql_act('db_1', test_script_1, substitutions=substitutions_1)
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expected_stdout_1 = """PLAN SORT (JOIN (F INDEX (FK_FLOWERS_COLORS), C INDEX (PK_COLORS)))
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COLORID COLORNAME COUNT
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============ ==================== =====================
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2 White 2
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3 Blue 2
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4 Yellow 2
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5 Black 1
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6 Purple 1
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"""
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@pytest.mark.version('>=3.0')
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def test_1(act_1: Action):
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act_1.expected_stdout = expected_stdout_1
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act_1.execute()
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assert act_1.clean_expected_stdout == act_1.clean_stdout
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