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			305 lines
		
	
	
		
			7.8 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 2003 December 17
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| #
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| # The author disclaims copyright to this source code.  In place of
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| # a legal notice, here is a blessing:
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| #
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| #    May you do good and not evil.
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| #    May you find forgiveness for yourself and forgive others.
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| #    May you share freely, never taking more than you give.
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| #
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| #***********************************************************************
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| # This file implements regression tests for SQLite library.
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| #
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| # This file implements tests for miscellanous features that were
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| # left out of other test files.
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| #
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| # $Id: misc3.test,v 1.11 2004/05/20 03:30:11 drh Exp $
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| 
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| set testdir [file dirname $argv0]
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| source $testdir/tester.tcl
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| 
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| # Ticket #529.  Make sure an ABORT does not damage the in-memory cache
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| # that will be used by subsequent statements in the same transaction.
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| #
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| do_test misc3-1.1 {
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|   execsql {
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|     CREATE TABLE t1(a UNIQUE,b);
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|     INSERT INTO t1
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|       VALUES(1,'a23456789_b23456789_c23456789_d23456789_e23456789_');
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|     UPDATE t1 SET b=b||b;
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|     UPDATE t1 SET b=b||b;
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|     UPDATE t1 SET b=b||b;
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|     UPDATE t1 SET b=b||b;
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|     UPDATE t1 SET b=b||b;
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|     INSERT INTO t1 VALUES(2,'x');
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|     UPDATE t1 SET b=substr(b,1,500);
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|     BEGIN;
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|   }
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|   catchsql {UPDATE t1 SET a=CASE a WHEN 2 THEN 1 ELSE a END, b='y';}
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|   execsql {
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|     CREATE TABLE t2(x,y);
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|     COMMIT;
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|     PRAGMA integrity_check;
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|   }
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| } ok
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| do_test misc3-1.2 {
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|   execsql {
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|     DROP TABLE t1;
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|     DROP TABLE t2;
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|     VACUUM;
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|     CREATE TABLE t1(a UNIQUE,b);
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|     INSERT INTO t1
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|        VALUES(1,'a23456789_b23456789_c23456789_d23456789_e23456789_');
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|     INSERT INTO t1 SELECT a+1, b||b FROM t1;
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|     INSERT INTO t1 SELECT a+2, b||b FROM t1;
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|     INSERT INTO t1 SELECT a+4, b FROM t1;
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|     INSERT INTO t1 SELECT a+8, b FROM t1;
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|     INSERT INTO t1 SELECT a+16, b FROM t1;
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|     INSERT INTO t1 SELECT a+32, b FROM t1;
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|     INSERT INTO t1 SELECT a+64, b FROM t1;
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| 
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|     BEGIN;
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|   }
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|   catchsql {UPDATE t1 SET a=CASE a WHEN 128 THEN 127 ELSE a END, b='';}
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|   execsql {
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|     INSERT INTO t1 VALUES(200,'hello out there');
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|     COMMIT;
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|     PRAGMA integrity_check;
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|   }
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| } ok
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| 
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| # Tests of the sqliteAtoF() function in util.c
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| #
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| do_test misc3-2.1 {
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|   execsql {SELECT 2e-25*0.5e25}
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| } 1
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| do_test misc3-2.2 {
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|   execsql {SELECT 2.0e-25*000000.500000000000000000000000000000e+00025}
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| } 1
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| do_test misc3-2.3 {
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|   execsql {SELECT 000000000002e-0000000025*0.5e25}
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| } 1
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| do_test misc3-2.4 {
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|   execsql {SELECT 2e-25*0.5e250}
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| } 1e+225
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| do_test misc3-2.5 {
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|   execsql {SELECT 2.0e-250*0.5e25}
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| } 1e-225
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| do_test misc3-2.6 {
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|   execsql {SELECT '-2.0e-127' * '-0.5e27'}
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| } 1e-100
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| do_test misc3-2.7 {
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|   execsql {SELECT '+2.0e-127' * '-0.5e27'}
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| } -1e-100
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| do_test misc3-2.8 {
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|   execsql {SELECT 2.0e-27 * '+0.5e+127'}
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| } 1e+100
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| do_test misc3-2.9 {
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|   execsql {SELECT 2.0e-27 * '+0.000005e+132'}
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| } 1e+100
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| 
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| # Ticket #522.  Make sure integer overflow is handled properly in
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| # indices.
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| #
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| do_test misc3-3.1 {
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|   execsql {PRAGMA integrity_check}
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| } ok
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| do_test misc3-3.2 {
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|   execsql {
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|     CREATE TABLE t2(a INT UNIQUE);
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|     PRAGMA integrity_check;
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|   }
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| } ok
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| do_test misc3-3.3 {
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|   execsql {
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|     INSERT INTO t2 VALUES(2147483648);
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|     PRAGMA integrity_check;
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|   }
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| } ok
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| do_test misc3-3.4 {
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|   execsql {
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|     INSERT INTO t2 VALUES(-2147483649);
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|     PRAGMA integrity_check;
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|   }
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| } ok
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| do_test misc3-3.5 {
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|   execsql {
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|     INSERT INTO t2 VALUES(+2147483649);
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|     PRAGMA integrity_check;
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|   }
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| } ok
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| do_test misc3-3.6 {
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|   execsql {
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|     INSERT INTO t2 VALUES(+2147483647);
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|     INSERT INTO t2 VALUES(-2147483648);
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|     INSERT INTO t2 VALUES(-2147483647);
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|     INSERT INTO t2 VALUES(2147483646);
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|     SELECT * FROM t2 ORDER BY a;
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|   }
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| } {-2147483649 -2147483648 -2147483647 2147483646 2147483647 2147483648 2147483649}
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| do_test misc3-3.7 {
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|   execsql {
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|     SELECT * FROM t2 WHERE a>=-2147483648 ORDER BY a;
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|   }
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| } {-2147483648 -2147483647 2147483646 2147483647 2147483648 2147483649}
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| do_test misc3-3.8 {
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|   execsql {
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|     SELECT * FROM t2 WHERE a>-2147483648 ORDER BY a;
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|   }
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| } {-2147483647 2147483646 2147483647 2147483648 2147483649}
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| do_test misc3-3.9 {
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|   execsql {
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|     SELECT * FROM t2 WHERE a>-2147483649 ORDER BY a;
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|   }
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| } {-2147483648 -2147483647 2147483646 2147483647 2147483648 2147483649}
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| do_test misc3-3.10 {
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|   execsql {
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|     SELECT * FROM t2 WHERE a>=0 AND a<2147483649 ORDER BY a DESC;
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|   }
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| } {2147483648 2147483647 2147483646}
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| do_test misc3-3.11 {
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|   execsql {
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|     SELECT * FROM t2 WHERE a>=0 AND a<=2147483648 ORDER BY a DESC;
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|   }
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| } {2147483648 2147483647 2147483646}
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| do_test misc3-3.12 {
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|   execsql {
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|     SELECT * FROM t2 WHERE a>=0 AND a<2147483648 ORDER BY a DESC;
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|   }
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| } {2147483647 2147483646}
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| do_test misc3-3.13 {
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|   execsql {
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|     SELECT * FROM t2 WHERE a>=0 AND a<=2147483647 ORDER BY a DESC;
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|   }
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| } {2147483647 2147483646}
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| do_test misc3-3.14 {
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|   execsql {
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|     SELECT * FROM t2 WHERE a>=0 AND a<2147483647 ORDER BY a DESC;
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|   }
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| } {2147483646}
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| 
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| # Ticket #565.  A stack overflow is occurring when the subquery to the
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| # right of an IN operator contains many NULLs
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| #
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| do_test misc3-4.1 {
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|   execsql {
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|     CREATE TABLE t3(a INTEGER PRIMARY KEY, b);
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|     INSERT INTO t3(b) VALUES('abc');
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|     INSERT INTO t3(b) VALUES('xyz');
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|     INSERT INTO t3(b) VALUES(NULL);
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|     INSERT INTO t3(b) VALUES(NULL);
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|     INSERT INTO t3(b) SELECT b||'d' FROM t3;
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|     INSERT INTO t3(b) SELECT b||'e' FROM t3;
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|     INSERT INTO t3(b) SELECT b||'f' FROM t3;
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|     INSERT INTO t3(b) SELECT b||'g' FROM t3;
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|     INSERT INTO t3(b) SELECT b||'h' FROM t3;
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|     SELECT count(a), count(b) FROM t3;
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|   }
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| } {128 64}
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| do_test misc3-4.2 {
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|   execsql {
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|     SELECT count(a) FROM t3 WHERE b IN (SELECT b FROM t3);
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|   }
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| } {64}
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| do_test misc3-4.3 {
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|   execsql {
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|     SELECT count(a) FROM t3 WHERE b IN (SELECT b FROM t3 ORDER BY a+1);
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|   }
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| } {64}
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| 
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| # Ticket #601:  Putting a left join inside "SELECT * FROM (<join-here>)"
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| # gives different results that if the outer "SELECT * FROM ..." is omitted.
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| #
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| do_test misc3-5.1 {
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|   execsql {
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|     CREATE TABLE x1 (b, c);
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|     INSERT INTO x1 VALUES('dog',3);
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|     INSERT INTO x1 VALUES('cat',1);
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|     INSERT INTO x1 VALUES('dog',4);
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|     CREATE TABLE x2 (c, e);
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|     INSERT INTO x2 VALUES(1,'one');
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|     INSERT INTO x2 VALUES(2,'two');
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|     INSERT INTO x2 VALUES(3,'three');
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|     INSERT INTO x2 VALUES(4,'four');
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|     SELECT x2.c AS c, e, b FROM x2 LEFT JOIN
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|        (SELECT b, max(c)+0 AS c FROM x1 GROUP BY b)
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|        USING(c);
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|   }
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| } {1 one cat 2 two {} 3 three {} 4 four dog}
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| do_test misc4-5.2 {
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|   execsql {
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|     SELECT * FROM (
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|       SELECT x2.c AS c, e, b FROM x2 LEFT JOIN
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|          (SELECT b, max(c)+0 AS c FROM x1 GROUP BY b)
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|          USING(c)
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|     );
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|   }
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| } {1 one cat 2 two {} 3 three {} 4 four dog}
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| 
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| # Ticket #626:  make sure EXPLAIN prevents BEGIN and COMMIT from working.
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| #
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| do_test misc3-6.1 {
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|   execsql {EXPLAIN BEGIN}
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|   catchsql {BEGIN}
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| } {0 {}}
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| do_test misc3-6.2 {
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|   execsql {EXPLAIN COMMIT}
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|   catchsql {COMMIT}
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| } {0 {}}
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| do_test misc3-6.3 {
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|   execsql {BEGIN; EXPLAIN ROLLBACK}
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|   catchsql {ROLLBACK}
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| } {0 {}}
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| 
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| # Ticket #640:  vdbe stack overflow with a LIMIT clause on a SELECT inside
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| # of a trigger.
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| #
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| do_test misc3-7.1 {
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|   execsql {
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|     BEGIN;
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|     CREATE TABLE y1(a);
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|     CREATE TABLE y2(b);
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|     CREATE TABLE y3(c);
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|     CREATE TRIGGER r1 AFTER DELETE ON y1 FOR EACH ROW BEGIN
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|       INSERT INTO y3(c) SELECT b FROM y2 ORDER BY b LIMIT 1;
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|     END;
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|     INSERT INTO y1 VALUES(1);
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|     INSERT INTO y1 VALUES(2);
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|     INSERT INTO y1 SELECT a+2 FROM y1;
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|     INSERT INTO y1 SELECT a+4 FROM y1;
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|     INSERT INTO y1 SELECT a+8 FROM y1;
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|     INSERT INTO y1 SELECT a+16 FROM y1;
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|     INSERT INTO y2 SELECT a FROM y1;
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|     COMMIT;
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|     SELECT count(*) FROM y1;
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|   }
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| } 32
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| do_test misc3-7.2 {
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|   execsql {
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|     DELETE FROM y1;
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|     SELECT count(*) FROM y1;
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|   }
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| } 0
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| do_test misc3-7.3 {
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|   execsql {
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|     SELECT count(*) FROM y3;
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|   }
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| } 32
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| 
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| # Ticket #668:  VDBE stack overflow occurs when the left-hand side
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| # of an IN expression is NULL and the result is used as an integer, not
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| # as a jump.
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| #
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| do_test misc-8.1 {
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|   execsql {
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|     SELECT count(CASE WHEN b IN ('abc','xyz') THEN 'x' END) FROM t3
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|   }
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| } {2}
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| do_test misc-8.2 {
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|   execsql {
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|     SELECT count(*) FROM t3 WHERE 1+(b IN ('abc','xyz'))==2
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|   }
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| } {2}
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| 
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| finish_test
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