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sqlite/test/tkt-3a77c9714e.test
drh 5822d6feb2 Fix test cases for the new EXPLAIN QUERY PLAN format. Add the
wherecosttest tool.  Other fixes to logarithm cost.

FossilOrigin-Name: aa580e368e3c398b8377b80342dfdd906324c248
2013-06-10 23:30:09 +00:00

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# 2011 December 06
#
# 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 SQLite library.
#
# This file implements tests to verify that ticket [3a77c9714e] has been
# fixed.
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable !compound {
finish_test
return
}
set testprefix "tkt-3a77c9714e"
do_execsql_test 1.1 {
CREATE TABLE t1(t1_id INTEGER PRIMARY KEY, t1_title TEXT);
CREATE TABLE t2(t2_id INTEGER PRIMARY KEY, t2_title TEXT);
CREATE TABLE t3(t3_id INTEGER PRIMARY KEY, t3_title TEXT);
INSERT INTO t1 (t1_id, t1_title) VALUES (888, 'ABCDEF');
INSERT INTO t2 (t2_id, t2_title) VALUES (999, 'ABCDEF');
INSERT INTO t3 (t3_id, t3_title) VALUES (999, 'ABCDEF');
}
do_execsql_test 1.2 {
SELECT t1_title, t2_title
FROM t1 LEFT JOIN t2
WHERE
t2_id = (SELECT t3_id FROM
( SELECT t3_id FROM t3 WHERE t3_title=t1_title LIMIT 500 )
)
} {ABCDEF ABCDEF}
do_execsql_test 2.1 {
CREATE TABLE [Beginnings] (
[Id] INTEGER PRIMARY KEY AUTOINCREMENT,[Title] TEXT, [EndingId] INTEGER
);
CREATE TABLE [Endings] (Id INT,Title TEXT,EndingId INT);
INSERT INTO Beginnings (Id, Title, EndingId) VALUES (1, 'FACTOR', 18);
INSERT INTO Beginnings (Id, Title, EndingId) VALUES (2, 'SWIMM', 18);
INSERT INTO Endings (Id, Title, EndingId) VALUES (1, 'ING', 18);
}
do_execsql_test 2.2 {
SELECT
SrcWord, Beginnings.Title
FROM
(SELECT 'FACTORING' AS SrcWord UNION SELECT 'SWIMMING' AS SrcWord )
LEFT JOIN
Beginnings
WHERE Beginnings.Id= (
SELECT BeginningId FROM (
SELECT SrcWord, B.Id as BeginningId, B.Title || E.Title As Connected
FROM Beginnings B LEFT JOIN Endings E ON B.EndingId=E.EndingId
WHERE Connected=SrcWord LIMIT 1
)
)
} {FACTORING FACTOR SWIMMING SWIMM}
finish_test