mirror of
https://github.com/FirebirdSQL/firebird-qa.git
synced 2025-01-22 21:43:06 +01:00
146 lines
3.1 KiB
Python
146 lines
3.1 KiB
Python
#coding:utf-8
|
|
|
|
"""
|
|
ID: optimizer.inner-join-07
|
|
TITLE: INNER JOIN join order and VIEW
|
|
DESCRIPTION:
|
|
With a INNER JOIN the relation with the smallest expected result should be the first one
|
|
in process order. The next relation should be the next relation with expected smallest
|
|
result based on previous relation and do on till last relation.
|
|
Old/Current limitation in Firebird does stop checking order possibilties above 7 relations.
|
|
FBTEST: functional.arno.optimizer.opt_inner_join_07
|
|
"""
|
|
|
|
import pytest
|
|
from firebird.qa import *
|
|
|
|
init_script = """CREATE TABLE Table_1 (
|
|
ID INTEGER NOT NULL
|
|
);
|
|
|
|
CREATE TABLE Table_1K (
|
|
ID INTEGER NOT NULL
|
|
);
|
|
|
|
CREATE TABLE Table_2K (
|
|
ID INTEGER NOT NULL
|
|
);
|
|
|
|
CREATE TABLE Table_3K (
|
|
ID INTEGER NOT NULL
|
|
);
|
|
|
|
CREATE TABLE Table_4K (
|
|
ID INTEGER NOT NULL
|
|
);
|
|
|
|
CREATE TABLE Table_5K (
|
|
ID INTEGER NOT NULL
|
|
);
|
|
|
|
CREATE TABLE Table_6K (
|
|
ID INTEGER NOT NULL
|
|
);
|
|
|
|
CREATE TABLE Table_8K (
|
|
ID INTEGER NOT NULL
|
|
);
|
|
|
|
CREATE TABLE Table_10K (
|
|
ID INTEGER NOT NULL
|
|
);
|
|
|
|
SET TERM ^^ ;
|
|
CREATE PROCEDURE PR_FillTable_10K
|
|
AS
|
|
DECLARE VARIABLE FillID INTEGER;
|
|
BEGIN
|
|
FillID = 1;
|
|
WHILE (FillID <= 10000) DO
|
|
BEGIN
|
|
INSERT INTO Table_10K (ID) VALUES (:FillID);
|
|
FillID = FillID + 1;
|
|
END
|
|
END
|
|
^^
|
|
SET TERM ; ^^
|
|
|
|
COMMIT;
|
|
|
|
CREATE VIEW View_A (
|
|
ID1K,
|
|
ID6K
|
|
)
|
|
AS
|
|
SELECT
|
|
t1K.ID,
|
|
t6K.ID
|
|
FROM
|
|
Table_6K t6K
|
|
JOIN Table_1K t1K ON (t1K.ID = t6K.ID);
|
|
|
|
CREATE VIEW View_B (
|
|
ID3K,
|
|
ID10K
|
|
)
|
|
AS
|
|
SELECT
|
|
t3K.ID,
|
|
t10K.ID
|
|
FROM
|
|
Table_3K t3K
|
|
JOIN Table_10K t10K ON (t10K.ID = t3K.ID);
|
|
|
|
COMMIT;
|
|
|
|
INSERT INTO Table_1 (ID) VALUES (1);
|
|
EXECUTE PROCEDURE PR_FillTable_10K;
|
|
INSERT INTO Table_1K (ID) SELECT ID FROM Table_10K WHERE ID <= 1000;
|
|
INSERT INTO Table_2K (ID) SELECT ID FROM Table_10K WHERE ID <= 2000;
|
|
INSERT INTO Table_3K (ID) SELECT ID FROM Table_10K WHERE ID <= 3000;
|
|
INSERT INTO Table_4K (ID) SELECT ID FROM Table_10K WHERE ID <= 4000;
|
|
INSERT INTO Table_5K (ID) SELECT ID FROM Table_10K WHERE ID <= 5000;
|
|
INSERT INTO Table_6K (ID) SELECT ID FROM Table_10K WHERE ID <= 6000;
|
|
INSERT INTO Table_8K (ID) SELECT ID FROM Table_10K WHERE ID <= 8000;
|
|
|
|
COMMIT;
|
|
|
|
CREATE UNIQUE ASC INDEX PK_Table_1 ON Table_1 (ID);
|
|
CREATE UNIQUE ASC INDEX PK_Table_1K ON Table_1K (ID);
|
|
CREATE UNIQUE ASC INDEX PK_Table_2K ON Table_2K (ID);
|
|
CREATE UNIQUE ASC INDEX PK_Table_3K ON Table_3K (ID);
|
|
CREATE UNIQUE ASC INDEX PK_Table_4K ON Table_4K (ID);
|
|
CREATE UNIQUE ASC INDEX PK_Table_5K ON Table_5K (ID);
|
|
CREATE UNIQUE ASC INDEX PK_Table_6K ON Table_6K (ID);
|
|
CREATE UNIQUE ASC INDEX PK_Table_8K ON Table_8K (ID);
|
|
CREATE UNIQUE ASC INDEX PK_Table_10K ON Table_10K (ID);
|
|
|
|
COMMIT;
|
|
"""
|
|
|
|
db = db_factory(init=init_script)
|
|
|
|
test_script = """SET PLAN ON;
|
|
SELECT
|
|
Count(*)
|
|
FROM
|
|
View_B vb
|
|
JOIN View_A va ON (va.ID1K = vb.ID10K);"""
|
|
|
|
act = isql_act('db', test_script, substitutions=[('=.*', '')])
|
|
|
|
expected_stdout = """PLAN JOIN (VA T1K NATURAL, VB T3K INDEX (PK_TABLE_3K), VA T6K INDEX (PK_TABLE_6K), VB T10K INDEX (PK_TABLE_10K))
|
|
|
|
|
|
COUNT
|
|
============
|
|
|
|
1000
|
|
"""
|
|
|
|
@pytest.mark.version('>=2.0')
|
|
def test_1(act: Action):
|
|
act.expected_stdout = expected_stdout
|
|
act.execute()
|
|
assert act.clean_stdout == act.clean_expected_stdout
|