87 lines
2.0 KiB
Plaintext
87 lines
2.0 KiB
Plaintext
# 2011 September 16
|
|
#
|
|
# 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. The
|
|
# focus of this script is testing correlated subqueries
|
|
#
|
|
#
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
|
|
ifcapable !subquery {
|
|
finish_test
|
|
return
|
|
}
|
|
|
|
do_test subquery2-1.1 {
|
|
execsql {
|
|
BEGIN;
|
|
CREATE TABLE t1(a,b);
|
|
INSERT INTO t1 VALUES(1,2);
|
|
INSERT INTO t1 VALUES(3,4);
|
|
INSERT INTO t1 VALUES(5,6);
|
|
INSERT INTO t1 VALUES(7,8);
|
|
CREATE TABLE t2(c,d);
|
|
INSERT INTO t2 VALUES(1,1);
|
|
INSERT INTO t2 VALUES(3,9);
|
|
INSERT INTO t2 VALUES(5,25);
|
|
INSERT INTO t2 VALUES(7,49);
|
|
CREATE TABLE t3(e,f);
|
|
INSERT INTO t3 VALUES(1,1);
|
|
INSERT INTO t3 VALUES(3,27);
|
|
INSERT INTO t3 VALUES(5,125);
|
|
INSERT INTO t3 VALUES(7,343);
|
|
COMMIT;
|
|
}
|
|
execsql {
|
|
SELECT a FROM t1
|
|
WHERE b IN (SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3));
|
|
}
|
|
} {1 3 5 7}
|
|
do_test subquery2-1.2 {
|
|
execsql {
|
|
CREATE INDEX t1b ON t1(b);
|
|
SELECT a FROM t1
|
|
WHERE b IN (SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3));
|
|
}
|
|
} {1 3 5 7}
|
|
|
|
do_test subquery2-1.11 {
|
|
execsql {
|
|
SELECT a FROM t1
|
|
WHERE +b=(SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3));
|
|
}
|
|
} {1}
|
|
do_test subquery2-1.12 {
|
|
execsql {
|
|
SELECT a FROM t1
|
|
WHERE b=(SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3));
|
|
}
|
|
} {1}
|
|
|
|
do_test subquery2-1.21 {
|
|
execsql {
|
|
SELECT a FROM t1
|
|
WHERE +b=(SELECT x+1 FROM
|
|
(SELECT DISTINCT f/d AS x FROM t2 JOIN t3 ON d*a=f))
|
|
}
|
|
} {1 3 5 7}
|
|
do_test subquery2-1.22 {
|
|
execsql {
|
|
SELECT a FROM t1
|
|
WHERE b=(SELECT x+1 FROM
|
|
(SELECT DISTINCT f/d AS x FROM t2 JOIN t3 ON d*a=f))
|
|
}
|
|
} {1 3 5 7}
|
|
|
|
|
|
finish_test
|