85 lines
2.1 KiB
Plaintext
85 lines
2.1 KiB
Plaintext
# 2008 August 26
|
|
#
|
|
# 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.
|
|
# Specifically, it tests that bug #3334 has been fixed by the
|
|
# addition of restriction (19) to the subquery flattener optimization.
|
|
#
|
|
# $Id: tkt3334.test,v 1.1 2008/08/26 12:56:14 drh Exp $
|
|
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
|
|
do_test tkt3334-1.0 {
|
|
execsql {
|
|
CREATE TABLE t1(a,b);
|
|
INSERT INTO t1 VALUES(1,934);
|
|
INSERT INTO t1 VALUES(2,221);
|
|
INSERT INTO t1 VALUES(1,372);
|
|
INSERT INTO t1 VALUES(3,552);
|
|
INSERT INTO t1 VALUES(1,719);
|
|
INSERT INTO t1 VALUES(4,102);
|
|
SELECT * FROM t1 ORDER BY b;
|
|
}
|
|
} {4 102 2 221 1 372 3 552 1 719 1 934}
|
|
|
|
do_test tkt3334-1.1 {
|
|
execsql {
|
|
SELECT a FROM (SELECT a FROM t1 ORDER BY b LIMIT 2) WHERE a=1;
|
|
}
|
|
} {}
|
|
do_test tkt3334-1.2 {
|
|
execsql {
|
|
SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b LIMIT 2) WHERE a=1;
|
|
}
|
|
} {0}
|
|
do_test tkt3334-1.3 {
|
|
execsql {
|
|
SELECT a FROM (SELECT a FROM t1 ORDER BY b LIMIT 3) WHERE a=1;
|
|
}
|
|
} {1}
|
|
do_test tkt3334-1.4 {
|
|
execsql {
|
|
SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b LIMIT 3) WHERE a=1;
|
|
}
|
|
} {1}
|
|
do_test tkt3334-1.5 {
|
|
execsql {
|
|
SELECT a FROM (SELECT a FROM t1 ORDER BY b LIMIT 99) WHERE a=1;
|
|
}
|
|
} {1 1 1}
|
|
do_test tkt3334-1.6 {
|
|
execsql {
|
|
SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b LIMIT 99) WHERE a=1;
|
|
}
|
|
} {3}
|
|
do_test tkt3334-1.7 {
|
|
execsql {
|
|
SELECT a FROM (SELECT a FROM t1 ORDER BY b) WHERE a=1;
|
|
}
|
|
} {1 1 1}
|
|
do_test tkt3334-1.8 {
|
|
execsql {
|
|
SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b) WHERE a=1;
|
|
}
|
|
} {3}
|
|
do_test tkt3334-1.9 {
|
|
execsql {
|
|
SELECT a FROM (SELECT a FROM t1) WHERE a=1;
|
|
}
|
|
} {1 1 1}
|
|
do_test tkt3334-1.10 {
|
|
execsql {
|
|
SELECT count(*) FROM (SELECT a FROM t1) WHERE a=1;
|
|
}
|
|
} {3}
|