#
# 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 DISTINCT, UNION, INTERSECT and EXCEPT
# SELECT statements that use user-defined collation sequences. Also
# GROUP BY clauses that use user-defined collation sequences.
#
# $Id: collate5.test,v 1.7 2008/09/16 11:58:20 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
#
# Tests are organised as follows:
# collate5-1.* - DISTINCT
# collate5-2.* - Compound SELECT
# collate5-3.* - ORDER BY on compound SELECT
# collate5-4.* - GROUP BY
# Create the collation sequence 'TEXT', purely for asthetic reasons. The
# test cases in this script could just as easily use BINARY.
db collate TEXT [list string compare]
# Mimic the SQLite 2 collation type NUMERIC.
db collate numeric numeric_collate
proc numeric_collate {lhs rhs} {
if {$lhs == $rhs} {return 0}
return [expr ($lhs>$rhs)?1:-1]
}
#
# These tests - collate5-1.* - focus on the DISTINCT keyword.
#
do_test collate5-1.0 {
execsql {
CREATE TABLE collate5t1(a COLLATE nocase, b COLLATE text);
INSERT INTO collate5t1 VALUES('a', 'apple');
INSERT INTO collate5t1 VALUES('A', 'Apple');
INSERT INTO collate5t1 VALUES('b', 'banana');
INSERT INTO collate5t1 VALUES('B', 'banana');
INSERT INTO collate5t1 VALUES('n', NULL);
INSERT INTO collate5t1 VALUES('N', NULL);
}
} {}
do_test collate5-1.1 {
execsql {
SELECT DISTINCT a FROM collate5t1;
}
} {a b n}
do_test collate5-1.2 {
execsql {
SELECT DISTINCT b FROM collate5t1;
}
} {apple Apple banana {}}
do_test collate5-1.3 {
execsql {
SELECT DISTINCT a, b FROM collate5t1;
}
} {a apple A Apple b banana n {}}
# Ticket #3376
#
do_test collate5-1.11 {
execsql {
CREATE TABLE tkt3376(a COLLATE nocase PRIMARY KEY);
INSERT INTO tkt3376 VALUES('abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz');
INSERT INTO tkt3376 VALUES('ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789');
SELECT DISTINCT a FROM tkt3376;
}
} {abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789ABXYZ012234567890123456789}
do_test collate5-1.12 {
sqlite3 db2 :memory:
db2 eval {
PRAGMA encoding=UTF16le;
CREATE TABLE tkt3376(a COLLATE nocase PRIMARY KEY);
INSERT INTO tkt3376 VALUES('abc');
INSERT INTO tkt3376 VALUES('ABX');
SELECT DISTINCT a FROM tkt3376;
}
} {abc ABX}
catch {db2 close}
# The remainder of this file tests compound SELECT statements.
# Omit it if the library is compiled such that they are omitted.
#
ifcapable !compound {
finish_test
return
}
#
# Tests named collate5-2.* focus on UNION, EXCEPT and INTERSECT
# queries that use user-defined collation sequences.
#
# collate5-2.1.* - UNION
# collate5-2.2.* - INTERSECT
# collate5-2.3.* - EXCEPT
#
do_test collate5-2.0 {
execsql {
CREATE TABLE collate5t2(a COLLATE text, b COLLATE nocase);
INSERT INTO collate5t2 VALUES('a', 'apple');
INSERT INTO collate5t2 VALUES('A', 'apple');
INSERT INTO collate5t2 VALUES('b', 'banana');
INSERT INTO collate5t2 VALUES('B', 'Banana');
}
} {}
do_test collate5-2.1.1 {
execsql {
SELECT a FROM collate5t1 UNION select a FROM collate5t2;
}
} {A B N}
do_test collate5-2.1.2 {
execsql {
SELECT a FROM collate5t2 UNION select a FROM collate5t1;
}
} {A B N a b n}
do_test collate5-2.1.3 {
execsql {
SELECT a, b FROM collate5t1 UNION select a, b FROM collate5t2;
}
} {A Apple A apple B Banana b banana N {}}
do_test collate5-2.1.4 {
execsql {
SELECT a, b FROM collate5t2 UNION select a, b FROM collate5t1;
}
} {A Apple B banana N {} a apple b banana n {}}
do_test collate5-2.2.1 {
execsql {
SELECT a FROM collate5t1 EXCEPT select a FROM collate5t2;
}
} {N}
do_test collate5-2.2.2 {
execsql {
SELECT a FROM collate5t2 EXCEPT select a FROM collate5t1 WHERE a != 'a';
}
} {A a}
do_test collate5-2.2.3 {
execsql {
SELECT a, b FROM collate5t1 EXCEPT select a, b FROM collate5t2;
}
} {A Apple N {}}
do_test collate5-2.2.4 {
execsql {
SELECT a, b FROM collate5t2 EXCEPT select a, b FROM collate5t1
where a != 'a';
}
} {A apple a apple}
do_test collate5-2.3.1 {
execsql {
SELECT a FROM collate5t1 INTERSECT select a FROM collate5t2;
}
} {A B}
do_test collate5-2.3.2 {
execsql {
SELECT a FROM collate5t2 INTERSECT select a FROM collate5t1 WHERE a != 'a';
}
} {B b}
do_test collate5-2.3.3 {
execsql {
SELECT a, b FROM collate5t1 INTERSECT select a, b FROM collate5t2;
}
} {a apple B banana}
do_test collate5-2.3.4 {
execsql {
SELECT a, b FROM collate5t2 INTERSECT select a, b FROM collate5t1;
}
} {A apple B Banana a apple b banana}
#
# This test ensures performs a UNION operation with a bunch of different
# length records. The goal is to test that the logic that compares records
# for the compound SELECT operators works with record lengths that lie
# either side of the troublesome 256 and 65536 byte marks.
#
set ::lens [list \
0 1 2 3 4 5 6 7 8 9 \
240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 \
257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 \
65520 65521 65522 65523 65524 65525 65526 65527 65528 65529 65530 \
65531 65532 65533 65534 65535 65536 65537 65538 65539 65540 65541 \
65542 65543 65544 65545 65546 65547 65548 65549 65550 65551 ]
do_test collate5-2.4.0 {
execsql {
BEGIN;
CREATE TABLE collate5t3(a, b);
}
foreach ii $::lens {
execsql "INSERT INTO collate5t3 VALUES($ii, '[string repeat a $ii]');"
}
expr [llength [execsql {
COMMIT;
SELECT * FROM collate5t3 UNION SELECT * FROM collate5t3;
}]] / 2
} [llength $::lens]
do_test collate5-2.4.1 {
execsql {DROP TABLE collate5t3;}
} {}
unset ::lens
#
# These tests - collate5-3.* - focus on compound SELECT queries that
# feature ORDER BY clauses.
#
do_test collate5-3.0 {
execsql {
SELECT a FROM collate5t1 UNION ALL SELECT a FROM collate5t2 ORDER BY 1;
}
} {/[aA] [aA] [aA] [aA] [bB] [bB] [bB] [bB] [nN] [nN]/}
do_test collate5-3.1 {
execsql {
SELECT a FROM collate5t2 UNION ALL SELECT a FROM collate5t1 ORDER BY 1;
}
} {A A B B N a a b b n}
do_test collate5-3.2 {
execsql {
SELECT a FROM collate5t1 UNION ALL SELECT a FROM collate5t2
ORDER BY 1 COLLATE TEXT;
}
} {A A B B N a a b b n}
do_test collate5-3.3 {
execsql {
CREATE TABLE collate5t_cn(a COLLATE NUMERIC);
CREATE TABLE collate5t_ct(a COLLATE TEXT);
INSERT INTO collate5t_cn VALUES('1');
INSERT INTO collate5t_cn VALUES('11');
INSERT INTO collate5t_cn VALUES('101');
INSERT INTO collate5t_ct SELECT * FROM collate5t_cn;
}
} {}
do_test collate5-3.4 {
execsql {
SELECT a FROM collate5t_cn INTERSECT SELECT a FROM collate5t_ct ORDER BY 1;
}
} {1 11 101}
do_test collate5-3.5 {
execsql {
SELECT a FROM collate5t_ct INTERSECT SELECT a FROM collate5t_cn ORDER BY 1;
}
} {1 101 11}
do_test collate5-3.20 {
execsql {
DROP TABLE collate5t_cn;
DROP TABLE collate5t_ct;
DROP TABLE collate5t1;
DROP TABLE collate5t2;
}
} {}
do_test collate5-4.0 {
execsql {
CREATE TABLE collate5t1(a COLLATE NOCASE, b COLLATE NUMERIC);
INSERT INTO collate5t1 VALUES('a', '1');
INSERT INTO collate5t1 VALUES('A', '1.0');
INSERT INTO collate5t1 VALUES('b', '2');
INSERT INTO collate5t1 VALUES('B', '3');
}
} {}
do_test collate5-4.1 {
string tolower [execsql {
SELECT a, count(*) FROM collate5t1 GROUP BY a;
}]
} {a 2 b 2}
do_test collate5-4.2 {
execsql {
SELECT a, b, count(*) FROM collate5t1 GROUP BY a, b ORDER BY a, b;
}
} {/[aA] 1(.0)? 2 [bB] 2 1 [bB] 3 1/}
do_test collate5-4.3 {
execsql {
DROP TABLE collate5t1;
}
} {}
finish_test