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#!/usr/bin/env tarantool
test = require("sqltester")
test:plan(14)
--!./tcltestrunner.lua
-- 2009 December 9
--
-- The author disclaims copyright to this source code. In place of
-- a legal notice, here is a blessing:
--
-- May you do good and not evil.
-- May you find forgiveness for yourself and forgive others.
-- May you share freely, never taking more than you give.
--
-------------------------------------------------------------------------
-- This file implements regression tests for sql library.
--
-- This file implements tests for N-way joins (N>2) which make
-- use of USING or NATURAL JOIN. For such joins, the USING and
-- NATURAL JOIN processing needs to search all tables to the left
-- of the join looking for a match. See ticket [f74beaabde]
-- for additional information.
--
-- ["set","testdir",[["file","dirname",["argv0"]]]]
-- ["source",[["testdir"],"\/tester.tcl"]]
-- The problem as initially reported on the mailing list:
--
test:do_execsql_test(
"join6-1.1",
[[
CREATE TABLE t1(a INT primary key);
CREATE TABLE t2(a INT primary key);
CREATE TABLE t3(a INT primary key,b INT);
INSERT INTO t1 VALUES(1);
INSERT INTO t3 VALUES(1,2);
SELECT * FROM t1 LEFT JOIN t2 USING(a) LEFT JOIN t3 USING(a);
]], {
-- <join6-1.1>
1, 2
-- </join6-1.1>
})
test:do_execsql_test(
"join6-1.2",
[[
SELECT t1.a, t3.b
FROM t1 LEFT JOIN t2 ON t1.a=t2.a LEFT JOIN t3 ON t2.a=t3.a;
]], {
-- <join6-1.2>
1, ""
-- </join6-1.2>
})
test:do_execsql_test(
"join6-1.3",
[[
SELECT t1.a, t3.b
FROM t1 LEFT JOIN t2 ON t1.a=t2.a LEFT JOIN t3 ON t1.a=t3.a;
]], {
-- <join6-1.3>
1, 2
-- </join6-1.3>
})
test:do_execsql_test(
"join6-2.1",
[[
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
CREATE TABLE t1(x INT primary key,y INT);
CREATE TABLE t2(y INT primary key,z INT);
CREATE TABLE t3(x INT primary key,z INT);
INSERT INTO t1 VALUES(1,2);
INSERT INTO t1 VALUES(3,4);
INSERT INTO t2 VALUES(2,3);
INSERT INTO t2 VALUES(4,5);
INSERT INTO t3 VALUES(1,3);
INSERT INTO t3 VALUES(3,5);
SELECT * FROM t1 JOIN t2 USING (y) JOIN t3 USING(x);
]], {
-- <join6-2.1>
1, 2, 3, 3, 3, 4, 5, 5
-- </join6-2.1>
})
test:do_execsql_test(
"join6-2.2",
[[
SELECT * FROM t1 NATURAL JOIN t2 NATURAL JOIN t3;
]], {
-- <join6-2.2>
1, 2, 3, 3, 4, 5
-- </join6-2.2>
})
test:do_execsql_test(
"join6-3.1",
[[
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
CREATE TABLE t1(a INT primary key,x INT,y INT);
INSERT INTO t1 VALUES(1,91,92);
INSERT INTO t1 VALUES(2,93,94);
CREATE TABLE t2(b INT primary key,y INT,z INT);
INSERT INTO t2 VALUES(3,92,93);
INSERT INTO t2 VALUES(4,94,95);
CREATE TABLE t3(c INT primary key,x INT,z INT);
INSERT INTO t3 VALUES(5,91,93);
INSERT INTO t3 VALUES(6,99,95);
SELECT * FROM t1 NATURAL JOIN t2 NATURAL JOIN t3;
]], {
-- <join6-3.1>
1, 91, 92, 3, 93, 5
-- </join6-3.1>
})
test:do_execsql_test(
"join6-3.2",
[[
SELECT * FROM t1 JOIN t2 NATURAL JOIN t3;
]], {
-- <join6-3.2>
1, 91, 92, 3, 92, 93, 5
-- </join6-3.2>
})
test:do_execsql_test(
"join6-3.3",
[[
SELECT * FROM t1 JOIN t2 USING(y) NATURAL JOIN t3;
]], {
-- <join6-3.3>
1, 91, 92, 3, 93, 5
-- </join6-3.3>
})
test:do_execsql_test(
"join6-3.4",
[[
SELECT * FROM t1 NATURAL JOIN t2 JOIN t3 USING(x,z);
]], {
-- <join6-3.4>
1, 91, 92, 3, 93, 5
-- </join6-3.4>
})
test:do_execsql_test(
"join6-3.5",
[[
SELECT * FROM t1 NATURAL JOIN t2 JOIN t3 USING(x);
]], {
-- <join6-3.5>
1, 91, 92, 3, 93, 5, 93
-- </join6-3.5>
})
test:do_execsql_test(
"join6-3.6",
[[
SELECT * FROM t1 NATURAL JOIN t2 JOIN t3 USING(z);
]], {
-- <join6-3.6>
1, 91, 92, 3, 93, 5, 91, 2, 93, 94, 4, 95, 6, 99
-- </join6-3.6>
})
test:do_execsql_test(
"join6-4.1",
[[
SELECT * FROM
(SELECT 1 AS a, 91 AS x, 92 AS y UNION SELECT 2, 93, 94)
NATURAL JOIN t2 NATURAL JOIN t3
]], {
-- <join6-4.1>
1, 91, 92, 3, 93, 5
-- </join6-4.1>
})
test:do_execsql_test(
"join6-4.2",
[[
SELECT * FROM t1 NATURAL JOIN
(SELECT 3 AS b, 92 AS y, 93 AS z UNION SELECT 4, 94, 95)
NATURAL JOIN t3
]], {
-- <join6-4.2>
1, 91, 92, 3, 93, 5
-- </join6-4.2>
})
test:do_execsql_test(
"join6-4.3",
[[
SELECT * FROM t1 NATURAL JOIN t2 NATURAL JOIN
(SELECT 5 AS c, 91 AS x, 93 AS z UNION SELECT 6, 99, 95)
]], {
-- <join6-4.3>
1, 91, 92, 3, 93, 5
-- </join6-4.3>
})
test:finish_test()
|
