# 2003 December 17 # # 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. # # This file implements tests for miscellanous features that were # left out of other test files. # # $Id: misc3.test,v 1.7 2004/02/09 14:35:28 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Ticket #529. Make sure an ABORT does not damage the in-memory cache # that will be used by subsequent statements in the same transaction. # do_test misc3-1.1 { execsql { CREATE TABLE t1(a UNIQUE,b); INSERT INTO t1 VALUES(1,'a23456789_b23456789_c23456789_d23456789_e23456789_'); UPDATE t1 SET b=b||b; UPDATE t1 SET b=b||b; UPDATE t1 SET b=b||b; UPDATE t1 SET b=b||b; UPDATE t1 SET b=b||b; INSERT INTO t1 VALUES(2,'x'); UPDATE t1 SET b=substr(b,1,500); BEGIN; } catchsql {UPDATE t1 SET a=CASE a WHEN 2 THEN 1 ELSE a END, b='y';} execsql { CREATE TABLE t2(x,y); COMMIT; PRAGMA integrity_check; } } ok do_test misc3-1.2 { execsql { DROP TABLE t1; DROP TABLE t2; VACUUM; CREATE TABLE t1(a UNIQUE,b); INSERT INTO t1 VALUES(1,'a23456789_b23456789_c23456789_d23456789_e23456789_'); INSERT INTO t1 SELECT a+1, b||b FROM t1; INSERT INTO t1 SELECT a+2, b||b FROM t1; INSERT INTO t1 SELECT a+4, b FROM t1; INSERT INTO t1 SELECT a+8, b FROM t1; INSERT INTO t1 SELECT a+16, b FROM t1; INSERT INTO t1 SELECT a+32, b FROM t1; INSERT INTO t1 SELECT a+64, b FROM t1; BEGIN; } catchsql {UPDATE t1 SET a=CASE a WHEN 128 THEN 127 ELSE a END, b='';} execsql { INSERT INTO t1 VALUES(200,'hello out there'); COMMIT; PRAGMA integrity_check; } } ok # Tests of the sqliteAtoF() function in util.c # do_test misc3-2.1 { execsql {SELECT 2e-25*0.5e25} } 1 do_test misc3-2.2 { execsql {SELECT 2.0e-25*000000.500000000000000000000000000000e+00025} } 1 do_test misc3-2.3 { execsql {SELECT 000000000002e-0000000025*0.5e25} } 1 do_test misc3-2.4 { execsql {SELECT 2e-25*0.5e250} } 1e+225 do_test misc3-2.5 { execsql {SELECT 2.0e-250*0.5e25} } 1e-225 do_test misc3-2.6 { execsql {SELECT '-2.0e-127' * '-0.5e27'} } 1e-100 do_test misc3-2.7 { execsql {SELECT '+2.0e-127' * '-0.5e27'} } -1e-100 do_test misc3-2.8 { execsql {SELECT 2.0e-27 * '+0.5e+127'} } 1e+100 do_test misc3-2.9 { execsql {SELECT 2.0e-27 * '+0.000005e+132'} } 1e+100 # Ticket #522. Make sure integer overflow is handled properly in # indices. # do_test misc3-3.1 { execsql {PRAGMA integrity_check} } ok do_test misc3-3.2 { execsql { CREATE TABLE t2(a INT UNIQUE); PRAGMA integrity_check; } } ok do_test misc3-3.3 { execsql { INSERT INTO t2 VALUES(2147483648); PRAGMA integrity_check; } } ok do_test misc3-3.4 { execsql { INSERT INTO t2 VALUES(-2147483649); PRAGMA integrity_check; } } ok do_test misc3-3.5 { execsql { INSERT INTO t2 VALUES(+2147483649); PRAGMA integrity_check; } } ok do_test misc3-3.6 { execsql { INSERT INTO t2 VALUES(+2147483647); INSERT INTO t2 VALUES(-2147483648); INSERT INTO t2 VALUES(-2147483647); INSERT INTO t2 VALUES(2147483646); SELECT * FROM t2 ORDER BY a; } } {-2147483649 -2147483648 -2147483647 2147483646 2147483647 2147483648 2147483649} do_test misc3-3.7 { execsql { SELECT * FROM t2 WHERE a>=-2147483648 ORDER BY a; } } {-2147483648 -2147483647 2147483646 2147483647 2147483648 2147483649} do_test misc3-3.8 { execsql { SELECT * FROM t2 WHERE a>-2147483648 ORDER BY a; } } {-2147483647 2147483646 2147483647 2147483648 2147483649} do_test misc3-3.9 { execsql { SELECT * FROM t2 WHERE a>-2147483649 ORDER BY a; } } {-2147483648 -2147483647 2147483646 2147483647 2147483648 2147483649} do_test misc3-3.10 { execsql { SELECT * FROM t2 WHERE a>=0 AND a<2147483649 ORDER BY a DESC; } } {2147483648 2147483647 2147483646} do_test misc3-3.11 { execsql { SELECT * FROM t2 WHERE a>=0 AND a<=2147483648 ORDER BY a DESC; } } {2147483648 2147483647 2147483646} do_test misc3-3.12 { execsql { SELECT * FROM t2 WHERE a>=0 AND a<2147483648 ORDER BY a DESC; } } {2147483647 2147483646} do_test misc3-3.13 { execsql { SELECT * FROM t2 WHERE a>=0 AND a<=2147483647 ORDER BY a DESC; } } {2147483647 2147483646} do_test misc3-3.14 { execsql { SELECT * FROM t2 WHERE a>=0 AND a<2147483647 ORDER BY a DESC; } } {2147483646} # Ticket #565. A stack overflow is occurring when the subquery to the # right of an IN operator contains many NULLs # do_test misc3-4.1 { execsql { CREATE TABLE t3(a INTEGER PRIMARY KEY, b); INSERT INTO t3(b) VALUES('abc'); INSERT INTO t3(b) VALUES('xyz'); INSERT INTO t3(b) VALUES(NULL); INSERT INTO t3(b) VALUES(NULL); INSERT INTO t3(b) SELECT b||'d' FROM t3; INSERT INTO t3(b) SELECT b||'e' FROM t3; INSERT INTO t3(b) SELECT b||'f' FROM t3; INSERT INTO t3(b) SELECT b||'g' FROM t3; INSERT INTO t3(b) SELECT b||'h' FROM t3; SELECT count(a), count(b) FROM t3; } } {128 64} do_test misc3-4.2 { execsql { SELECT count(a) FROM t3 WHERE b IN (SELECT b FROM t3); } } {64} do_test misc3-4.3 { execsql { SELECT count(a) FROM t3 WHERE b IN (SELECT b FROM t3 ORDER BY a+1); } } {64} # Ticket #601: Putting a left join inside "SELECT * FROM ()" # gives different results that if the outer "SELECT * FROM ..." is omitted. # do_test misc4-5.1 { execsql { CREATE TABLE x1 (b, c); INSERT INTO x1 VALUES('dog',3); INSERT INTO x1 VALUES('cat',1); INSERT INTO x1 VALUES('dog',4); CREATE TABLE x2 (c, e); INSERT INTO x2 VALUES(1,'one'); INSERT INTO x2 VALUES(2,'two'); INSERT INTO x2 VALUES(3,'three'); INSERT INTO x2 VALUES(4,'four'); SELECT x2.c AS c, e, b FROM x2 LEFT JOIN (SELECT b, max(c) AS c FROM x1 GROUP BY b) USING(c); } } {1 one cat 2 two {} 3 three {} 4 four dog} do_test misc4-5.2 { execsql { SELECT * FROM ( SELECT x2.c AS c, e, b FROM x2 LEFT JOIN (SELECT b, max(c) AS c FROM x1 GROUP BY b) USING(c) ); } } {1 one cat 2 two {} 3 three {} 4 four dog} finish_test