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117 lines
2.3 KiB
Python
117 lines
2.3 KiB
Python
#coding:utf-8
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"""
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ID: optimizer.mixed-joins-04
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TITLE: Mixed JOINS
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DESCRIPTION:
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Tables without indexes should be merged (when inner join) and those who can use a index, should use it.
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FBTEST: functional.arno.optimizer.opt_mixed_joins_04
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"""
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import pytest
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from firebird.qa import *
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init_script = """CREATE TABLE Table_1 (
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ID INTEGER NOT NULL
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);
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CREATE TABLE Table_10 (
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ID INTEGER NOT NULL
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);
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CREATE TABLE Table_50 (
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ID INTEGER NOT NULL
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);
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CREATE TABLE Table_100 (
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ID INTEGER NOT NULL
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);
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CREATE TABLE Table_1000 (
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ID INTEGER NOT NULL
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);
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SET TERM ^^ ;
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CREATE PROCEDURE PR_FillTable_10
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AS
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DECLARE VARIABLE FillID INTEGER;
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BEGIN
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FillID = 1;
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WHILE (FillID <= 10) DO
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BEGIN
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INSERT INTO Table_10 (ID) VALUES (:FillID);
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FillID = FillID + 1;
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END
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END
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^^
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CREATE PROCEDURE PR_FillTable_100
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AS
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DECLARE VARIABLE FillID INTEGER;
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BEGIN
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FillID = 1;
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WHILE (FillID <= 100) DO
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BEGIN
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INSERT INTO Table_100 (ID) VALUES (:FillID);
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FillID = FillID + 1;
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END
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END
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^^
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CREATE PROCEDURE PR_FillTable_1000
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AS
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DECLARE VARIABLE FillID INTEGER;
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BEGIN
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FillID = 1;
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WHILE (FillID <= 1000) DO
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BEGIN
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INSERT INTO Table_1000 (ID) VALUES (:FillID);
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FillID = FillID + 1;
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END
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END
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^^
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SET TERM ; ^^
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COMMIT;
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INSERT INTO Table_1 (ID) VALUES (1);
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EXECUTE PROCEDURE PR_FillTable_10;
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EXECUTE PROCEDURE PR_FillTable_100;
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EXECUTE PROCEDURE PR_FillTable_1000;
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INSERT INTO Table_50 SELECT ID FROM Table_100 t WHERE t.ID <= 50;
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COMMIT;
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CREATE UNIQUE ASC INDEX PK_Table_1 ON Table_1 (ID);
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CREATE UNIQUE ASC INDEX PK_Table_50 ON Table_50 (ID);
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COMMIT;
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"""
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db = db_factory(sql_dialect=3, init=init_script)
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test_script = """SET PLAN ON;
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SELECT
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Count(*)
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FROM
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Table_10 t10
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LEFT JOIN Table_1 t1 ON (t1.ID = t10.ID)
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JOIN Table_100 t100 ON (t100.ID = t10.ID)
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LEFT JOIN Table_50 t50 ON (t50.ID = t100.ID)
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JOIN Table_1000 t1000 ON (t1000.ID = t100.ID);"""
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act = isql_act('db', test_script)
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expected_stdout = """PLAN HASH (T1000 NATURAL, JOIN (HASH (T100 NATURAL, JOIN (T10 NATURAL, T1 INDEX (PK_TABLE_1))), T50 INDEX (PK_TABLE_50)))
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COUNT
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=====================
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10
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"""
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@pytest.mark.version('>=3.0')
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def test_1(act: Action):
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act.expected_stdout = expected_stdout
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act.execute()
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assert act.clean_stdout == act.clean_expected_stdout
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