# 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 file is testing compute SELECT statements and nested
# views.
#
# $Id: select7.test,v 1.7 2005/03/29 03:11:00 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable compound {
# A 3-way INTERSECT. Ticket #875
ifcapable tempdb {
do_test select7-1.1 {
execsql {
create temp table t1(x);
insert into t1 values('amx');
insert into t1 values('anx');
insert into t1 values('amy');
insert into t1 values('bmy');
select * from t1 where x like 'a__'
intersect select * from t1 where x like '_m_'
intersect select * from t1 where x like '__x';
}
} {amx}
}
# Nested views do not handle * properly. Ticket #826.
#
ifcapable view {
do_test select7-2.1 {
execsql {
CREATE TABLE x(id integer primary key, a TEXT NULL);
INSERT INTO x (a) VALUES ('first');
CREATE TABLE tempx(id integer primary key, a TEXT NULL);
INSERT INTO tempx (a) VALUES ('t-first');
CREATE VIEW tv1 AS SELECT x.id, tx.id FROM x JOIN tempx tx ON tx.id=x.id;
CREATE VIEW tv1b AS SELECT x.id, tx.id FROM x JOIN tempx tx on tx.id=x.id;
CREATE VIEW tv2 AS SELECT * FROM tv1 UNION SELECT * FROM tv1b;
SELECT * FROM tv2;
}
} {1 1}
} ;# ifcapable view
} ;# ifcapable compound
# Do not allow GROUP BY without an aggregate. Ticket #1039.
#
# Change: force any query with a GROUP BY clause to be processed as
# an aggregate query, whether it contains aggregates or not.
#
ifcapable subquery {
# do_test select7-3.1 {
# catchsql {
# SELECT * FROM (SELECT * FROM sqlite_master) GROUP BY name
# }
# } {1 {GROUP BY may only be used on aggregate queries}}
do_test select7-3.1 {
catchsql {
SELECT * FROM (SELECT * FROM sqlite_master) GROUP BY name
}
} [list 0 [execsql {SELECT * FROM sqlite_master ORDER BY name}]]
}
finish_test