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# 2001 September 15.
#
# 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 the CREATE TABLE statement.
#
# $Id: sort.test,v 1.25 2005/11/14 22:29:06 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# Create a bunch of data to sort against
#
do_test sort-1.0 {
execsql {
CREATE TABLE t1(
n int,
v varchar(10),
log int,
roman varchar(10),
flt real
);
INSERT INTO t1 VALUES(1,'one',0,'I',3.141592653);
INSERT INTO t1 VALUES(2,'two',1,'II',2.15);
INSERT INTO t1 VALUES(3,'three',1,'III',4221.0);
INSERT INTO t1 VALUES(4,'four',2,'IV',-0.0013442);
INSERT INTO t1 VALUES(5,'five',2,'V',-11);
INSERT INTO t1 VALUES(6,'six',2,'VI',0.123);
INSERT INTO t1 VALUES(7,'seven',2,'VII',123.0);
INSERT INTO t1 VALUES(8,'eight',3,'VIII',-1.6);
}
execsql {SELECT count(*) FROM t1}
} {8}
do_test sort-1.1 {
execsql {SELECT n FROM t1 ORDER BY n}
} {1 2 3 4 5 6 7 8}
do_test sort-1.1.1 {
execsql {SELECT n FROM t1 ORDER BY n ASC}
} {1 2 3 4 5 6 7 8}
do_test sort-1.1.1 {
execsql {SELECT ALL n FROM t1 ORDER BY n ASC}
} {1 2 3 4 5 6 7 8}
do_test sort-1.2 {
execsql {SELECT n FROM t1 ORDER BY n DESC}
} {8 7 6 5 4 3 2 1}
do_test sort-1.3a {
execsql {SELECT v FROM t1 ORDER BY v}
} {eight five four one seven six three two}
do_test sort-1.3b {
execsql {SELECT n FROM t1 ORDER BY v}
} {8 5 4 1 7 6 3 2}
do_test sort-1.4 {
execsql {SELECT n FROM t1 ORDER BY v DESC}
} {2 3 6 7 1 4 5 8}
do_test sort-1.5 {
execsql {SELECT flt FROM t1 ORDER BY flt}
} {-11.0 -1.6 -0.0013442 0.123 2.15 3.141592653 123.0 4221.0}
do_test sort-1.6 {
execsql {SELECT flt FROM t1 ORDER BY flt DESC}
} {4221.0 123.0 3.141592653 2.15 0.123 -0.0013442 -1.6 -11.0}
do_test sort-1.7 {
execsql {SELECT roman FROM t1 ORDER BY roman}
} {I II III IV V VI VII VIII}
do_test sort-1.8 {
execsql {SELECT n FROM t1 ORDER BY log, flt}
} {1 2 3 5 4 6 7 8}
do_test sort-1.8.1 {
execsql {SELECT n FROM t1 ORDER BY log asc, flt}
} {1 2 3 5 4 6 7 8}
do_test sort-1.8.2 {
execsql {SELECT n FROM t1 ORDER BY log, flt ASC}
} {1 2 3 5 4 6 7 8}
do_test sort-1.8.3 {
execsql {SELECT n FROM t1 ORDER BY log ASC, flt asc}
} {1 2 3 5 4 6 7 8}
do_test sort-1.9 {
execsql {SELECT n FROM t1 ORDER BY log, flt DESC}
} {1 3 2 7 6 4 5 8}
do_test sort-1.9.1 {
execsql {SELECT n FROM t1 ORDER BY log ASC, flt DESC}
} {1 3 2 7 6 4 5 8}
do_test sort-1.10 {
execsql {SELECT n FROM t1 ORDER BY log DESC, flt}
} {8 5 4 6 7 2 3 1}
do_test sort-1.11 {
execsql {SELECT n FROM t1 ORDER BY log DESC, flt DESC}
} {8 7 6 4 5 3 2 1}
# These tests are designed to reach some hard-to-reach places
# inside the string comparison routines.
#
# (Later) The sorting behavior changed in 2.7.0. But we will
# keep these tests. You can never have too many test cases!
#
do_test sort-2.1.1 {
execsql {
UPDATE t1 SET v='x' || -flt;
UPDATE t1 SET v='x-2b' where v=='x-0.123';
SELECT v FROM t1 ORDER BY v;
}
} {x-123.0 x-2.15 x-2b x-3.141592653 x-4221.0 x0.0013442 x1.6 x11.0}
do_test sort-2.1.2 {
execsql {
SELECT v FROM t1 ORDER BY substr(v,2,999);
}
} {x-123.0 x-2.15 x-2b x-3.141592653 x-4221.0 x0.0013442 x1.6 x11.0}
do_test sort-2.1.3 {
execsql {
SELECT v FROM t1 ORDER BY substr(v,2,999)+0.0;
}
} {x-4221.0 x-123.0 x-3.141592653 x-2.15 x-2b x0.0013442 x1.6 x11.0}
do_test sort-2.1.4 {
execsql {
SELECT v FROM t1 ORDER BY substr(v,2,999) DESC;
}
} {x11.0 x1.6 x0.0013442 x-4221.0 x-3.141592653 x-2b x-2.15 x-123.0}
do_test sort-2.1.5 {
execsql {
SELECT v FROM t1 ORDER BY substr(v,2,999)+0.0 DESC;
}
} {x11.0 x1.6 x0.0013442 x-2b x-2.15 x-3.141592653 x-123.0 x-4221.0}
# This is a bug fix for 2.2.4.
# Strings are normally mapped to upper-case for a caseless comparison.
# But this can cause problems for characters in between 'Z' and 'a'.
#
do_test sort-3.1 {
execsql {
CREATE TABLE t2(a,b);
INSERT INTO t2 VALUES('AGLIENTU',1);
INSERT INTO t2 VALUES('AGLIE`',2);
INSERT INTO t2 VALUES('AGNA',3);
SELECT a, b FROM t2 ORDER BY a;
}
} {AGLIENTU 1 AGLIE` 2 AGNA 3}
do_test sort-3.2 {
execsql {
SELECT a, b FROM t2 ORDER BY a DESC;
}
} {AGNA 3 AGLIE` 2 AGLIENTU 1}
do_test sort-3.3 {
execsql {
DELETE FROM t2;
INSERT INTO t2 VALUES('aglientu',1);
INSERT INTO t2 VALUES('aglie`',2);
INSERT INTO t2 VALUES('agna',3);
SELECT a, b FROM t2 ORDER BY a;
}
} {aglie` 2 aglientu 1 agna 3}
do_test sort-3.4 {
execsql {
SELECT a, b FROM t2 ORDER BY a DESC;
}
} {agna 3 aglientu 1 aglie` 2}
# Version 2.7.0 testing.
#
do_test sort-4.1 {
execsql {
INSERT INTO t1 VALUES(9,'x2.7',3,'IX',4.0e5);
INSERT INTO t1 VALUES(10,'x5.0e10',3,'X',-4.0e5);
INSERT INTO t1 VALUES(11,'x-4.0e9',3,'XI',4.1e4);
INSERT INTO t1 VALUES(12,'x01234567890123456789',3,'XII',-4.2e3);
SELECT n FROM t1 ORDER BY n;
}
} {1 2 3 4 5 6 7 8 9 10 11 12}
do_test sort-4.2 {
execsql {
SELECT n||'' FROM t1 ORDER BY 1;
}
} {1 10 11 12 2 3 4 5 6 7 8 9}
do_test sort-4.3 {
execsql {
SELECT n+0 FROM t1 ORDER BY 1;
}
} {1 2 3 4 5 6 7 8 9 10 11 12}
do_test sort-4.4 {
execsql {
SELECT n||'' FROM t1 ORDER BY 1 DESC;
}
} {9 8 7 6 5 4 3 2 12 11 10 1}
do_test sort-4.5 {
execsql {
SELECT n+0 FROM t1 ORDER BY 1 DESC;
}
} {12 11 10 9 8 7 6 5 4 3 2 1}
do_test sort-4.6 {
execsql {
SELECT v FROM t1 ORDER BY 1;
}
} {x-123.0 x-2.15 x-2b x-3.141592653 x-4.0e9 x-4221.0 x0.0013442 x01234567890123456789 x1.6 x11.0 x2.7 x5.0e10}
do_test sort-4.7 {
execsql {
SELECT v FROM t1 ORDER BY 1 DESC;
}
} {x5.0e10 x2.7 x11.0 x1.6 x01234567890123456789 x0.0013442 x-4221.0 x-4.0e9 x-3.141592653 x-2b x-2.15 x-123.0}
do_test sort-4.8 {
execsql {
SELECT substr(v,2,99) FROM t1 ORDER BY 1;
}
} {-123.0 -2.15 -2b -3.141592653 -4.0e9 -4221.0 0.0013442 01234567890123456789 1.6 11.0 2.7 5.0e10}
#do_test sort-4.9 {
# execsql {
# SELECT substr(v,2,99)+0.0 FROM t1 ORDER BY 1;
# }
#} {-4000000000 -4221 -123 -3.141592653 -2.15 -2 0.0013442 1.6 2.7 11 50000000000 1.23456789012346e+18}
do_test sort-5.1 {
execsql {
create table t3(a,b);
insert into t3 values(5,NULL);
insert into t3 values(6,NULL);
insert into t3 values(3,NULL);
insert into t3 values(4,'cd');
insert into t3 values(1,'ab');
insert into t3 values(2,NULL);
select a from t3 order by b, a;
}
} {2 3 5 6 1 4}
do_test sort-5.2 {
execsql {
select a from t3 order by b, a desc;
}
} {6 5 3 2 1 4}
do_test sort-5.3 {
execsql {
select a from t3 order by b desc, a;
}
} {4 1 2 3 5 6}
do_test sort-5.4 {
execsql {
select a from t3 order by b desc, a desc;
}
} {4 1 6 5 3 2}
do_test sort-6.1 {
execsql {
create index i3 on t3(b,a);
select a from t3 order by b, a;
}
} {2 3 5 6 1 4}
do_test sort-6.2 {
execsql {
select a from t3 order by b, a desc;
}
} {6 5 3 2 1 4}
do_test sort-6.3 {
execsql {
select a from t3 order by b desc, a;
}
} {4 1 2 3 5 6}
do_test sort-6.4 {
execsql {
select a from t3 order by b desc, a desc;
}
} {4 1 6 5 3 2}
do_test sort-7.1 {
execsql {
CREATE TABLE t4(
a INTEGER,
b VARCHAR(30)
);
INSERT INTO t4 VALUES(1,1);
INSERT INTO t4 VALUES(2,2);
INSERT INTO t4 VALUES(11,11);
INSERT INTO t4 VALUES(12,12);
SELECT a FROM t4 ORDER BY 1;
}
} {1 2 11 12}
do_test sort-7.2 {
execsql {
SELECT b FROM t4 ORDER BY 1
}
} {1 11 12 2}
# Omit tests sort-7.3 to sort-7.8 if view support was disabled at
# compilatation time.
ifcapable view {
do_test sort-7.3 {
execsql {
CREATE VIEW v4 AS SELECT * FROM t4;
SELECT a FROM v4 ORDER BY 1;
}
} {1 2 11 12}
do_test sort-7.4 {
execsql {
SELECT b FROM v4 ORDER BY 1;
}
} {1 11 12 2}
ifcapable compound {
do_test sort-7.5 {
execsql {
SELECT a FROM t4 UNION SELECT a FROM v4 ORDER BY 1;
}
} {1 2 11 12}
do_test sort-7.6 {
execsql {
SELECT b FROM t4 UNION SELECT a FROM v4 ORDER BY 1;
}
} {1 2 11 12 1 11 12 2} ;# text from t4.b and numeric from v4.a
do_test sort-7.7 {
execsql {
SELECT a FROM t4 UNION SELECT b FROM v4 ORDER BY 1;
}
} {1 2 11 12 1 11 12 2} ;# numeric from t4.a and text from v4.b
do_test sort-7.8 {
execsql {
SELECT b FROM t4 UNION SELECT b FROM v4 ORDER BY 1;
}
} {1 11 12 2}
} ;# ifcapable compound
} ;# ifcapable view
#### Version 3 works differently here:
#do_test sort-7.9 {
# execsql {
# SELECT b FROM t4 UNION SELECT b FROM v4 ORDER BY 1 COLLATE numeric;
# }
#} {1 2 11 12}
#do_test sort-7.10 {
# execsql {
# SELECT b FROM t4 UNION SELECT b FROM v4 ORDER BY 1 COLLATE integer;
# }
#} {1 2 11 12}
#do_test sort-7.11 {
# execsql {
# SELECT b FROM t4 UNION SELECT b FROM v4 ORDER BY 1 COLLATE text;
# }
#} {1 11 12 2}
#do_test sort-7.12 {
# execsql {
# SELECT b FROM t4 UNION SELECT b FROM v4 ORDER BY 1 COLLATE blob;
# }
#} {1 11 12 2}
#do_test sort-7.13 {
# execsql {
# SELECT b FROM t4 UNION SELECT b FROM v4 ORDER BY 1 COLLATE clob;
# }
#} {1 11 12 2}
#do_test sort-7.14 {
# execsql {
# SELECT b FROM t4 UNION SELECT b FROM v4 ORDER BY 1 COLLATE varchar;
# }
#} {1 11 12 2}
# Ticket #297
#
do_test sort-8.1 {
execsql {
CREATE TABLE t5(a real, b text);
INSERT INTO t5 VALUES(100,'A1');
INSERT INTO t5 VALUES(100.0,'A2');
SELECT * FROM t5 ORDER BY a, b;
}
} {100.0 A1 100.0 A2}
ifcapable {bloblit} {
# BLOBs should sort after TEXT
#
do_test sort-9.1 {
execsql {
CREATE TABLE t6(x, y);
INSERT INTO t6 VALUES(1,1);
INSERT INTO t6 VALUES(2,'1');
INSERT INTO t6 VALUES(3,x'31');
INSERT INTO t6 VALUES(4,NULL);
SELECT x FROM t6 ORDER BY y;
}
} {4 1 2 3}
do_test sort-9.2 {
execsql {
SELECT x FROM t6 ORDER BY y DESC;
}
} {3 2 1 4}
do_test sort-9.3 {
execsql {
SELECT x FROM t6 WHERE y<1
}
} {}
do_test sort-9.4 {
execsql {
SELECT x FROM t6 WHERE y<'1'
}
} {1}
do_test sort-9.5 {
execsql {
SELECT x FROM t6 WHERE y<x'31'
}
} {1 2}
do_test sort-9.6 {
execsql {
SELECT x FROM t6 WHERE y>1
}
} {2 3}
do_test sort-9.7 {
execsql {
SELECT x FROM t6 WHERE y>'1'
}
} {3}
} ;# endif bloblit
# Ticket #1092 - ORDER BY on rowid fields.
do_test sort-10.1 {
execsql {
CREATE TABLE t7(c INTEGER PRIMARY KEY);
INSERT INTO t7 VALUES(1);
INSERT INTO t7 VALUES(2);
INSERT INTO t7 VALUES(3);
INSERT INTO t7 VALUES(4);
}
} {}
do_test sort-10.2 {
execsql {
SELECT c FROM t7 WHERE c<=3 ORDER BY c DESC;
}
} {3 2 1}
do_test sort-10.3 {
execsql {
SELECT c FROM t7 WHERE c<3 ORDER BY c DESC;
}
} {2 1}
# ticket #1358. Just because one table in a join gives a unique
# result does not mean they all do. We cannot disable sorting unless
# all tables in the join give unique results.
#
do_test sort-11.1 {
execsql {
create table t8(a unique, b, c);
insert into t8 values(1,2,3);
insert into t8 values(2,3,4);
create table t9(x,y);
insert into t9 values(2,4);
insert into t9 values(2,3);
select y from t8, t9 where a=1 order by a, y;
}
} {3 4}
# Trouble reported on the mailing list. Check for overly aggressive
# (which is to say, incorrect) optimization of order-by with a rowid
# in a join.
#
do_test sort-12.1 {
execsql {
create table a (id integer primary key);
create table b (id integer primary key, aId integer, text);
insert into a values (1);
insert into b values (2, 1, 'xxx');
insert into b values (1, 1, 'zzz');
insert into b values (3, 1, 'yyy');
select a.id, b.id, b.text from a join b on (a.id = b.aId)
order by a.id, b.text;
}
} {1 2 xxx 1 3 yyy 1 1 zzz}
finish_test
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