sl@0: # 2001 September 15
sl@0: #
sl@0: # The author disclaims copyright to this source code.  In place of
sl@0: # a legal notice, here is a blessing:
sl@0: #
sl@0: #    May you do good and not evil.
sl@0: #    May you find forgiveness for yourself and forgive others.
sl@0: #    May you share freely, never taking more than you give.
sl@0: #
sl@0: #***********************************************************************
sl@0: # This file implements regression tests for SQLite library.  The
sl@0: # focus of this file is testing the IN and BETWEEN operator.
sl@0: #
sl@0: # $Id: in.test,v 1.22 2008/08/04 03:51:24 danielk1977 Exp $
sl@0: 
sl@0: set testdir [file dirname $argv0]
sl@0: source $testdir/tester.tcl
sl@0: 
sl@0: # Generate the test data we will need for the first squences of tests.
sl@0: #
sl@0: do_test in-1.0 {
sl@0:   execsql {
sl@0:     BEGIN;
sl@0:     CREATE TABLE t1(a int, b int);
sl@0:   }
sl@0:   for {set i 1} {$i<=10} {incr i} {
sl@0:     execsql "INSERT INTO t1 VALUES($i,[expr {1<<$i}])"
sl@0:   }
sl@0:   execsql {
sl@0:     COMMIT;
sl@0:     SELECT count(*) FROM t1;
sl@0:   }
sl@0: } {10}
sl@0: 
sl@0: # Do basic testing of BETWEEN.
sl@0: #
sl@0: do_test in-1.1 {
sl@0:   execsql {SELECT a FROM t1 WHERE b BETWEEN 10 AND 50 ORDER BY a}
sl@0: } {4 5}
sl@0: do_test in-1.2 {
sl@0:   execsql {SELECT a FROM t1 WHERE b NOT BETWEEN 10 AND 50 ORDER BY a}
sl@0: } {1 2 3 6 7 8 9 10}
sl@0: do_test in-1.3 {
sl@0:   execsql {SELECT a FROM t1 WHERE b BETWEEN a AND a*5 ORDER BY a}
sl@0: } {1 2 3 4}
sl@0: do_test in-1.4 {
sl@0:   execsql {SELECT a FROM t1 WHERE b NOT BETWEEN a AND a*5 ORDER BY a}
sl@0: } {5 6 7 8 9 10}
sl@0: do_test in-1.6 {
sl@0:   execsql {SELECT a FROM t1 WHERE b BETWEEN a AND a*5 OR b=512 ORDER BY a}
sl@0: } {1 2 3 4 9}
sl@0: do_test in-1.7 {
sl@0:   execsql {SELECT a+ 100*(a BETWEEN 1 and 3) FROM t1 ORDER BY b}
sl@0: } {101 102 103 4 5 6 7 8 9 10}
sl@0: 
sl@0: # The rest of this file concentrates on testing the IN operator.
sl@0: # Skip this if the library is compiled with SQLITE_OMIT_SUBQUERY 
sl@0: # (because the IN operator is unavailable).
sl@0: #
sl@0: ifcapable !subquery {
sl@0:   finish_test
sl@0:   return
sl@0: }
sl@0: 
sl@0: # Testing of the IN operator using static lists on the right-hand side.
sl@0: #
sl@0: do_test in-2.1 {
sl@0:   execsql {SELECT a FROM t1 WHERE b IN (8,12,16,24,32) ORDER BY a}
sl@0: } {3 4 5}
sl@0: do_test in-2.2 {
sl@0:   execsql {SELECT a FROM t1 WHERE b NOT IN (8,12,16,24,32) ORDER BY a}
sl@0: } {1 2 6 7 8 9 10}
sl@0: do_test in-2.3 {
sl@0:   execsql {SELECT a FROM t1 WHERE b IN (8,12,16,24,32) OR b=512 ORDER BY a}
sl@0: } {3 4 5 9}
sl@0: do_test in-2.4 {
sl@0:   execsql {SELECT a FROM t1 WHERE b NOT IN (8,12,16,24,32) OR b=512 ORDER BY a}
sl@0: } {1 2 6 7 8 9 10}
sl@0: do_test in-2.5 {
sl@0:   execsql {SELECT a+100*(b IN (8,16,24)) FROM t1 ORDER BY b}
sl@0: } {1 2 103 104 5 6 7 8 9 10}
sl@0: 
sl@0: do_test in-2.6 {
sl@0:   execsql {SELECT a FROM t1 WHERE b IN (b+8,64)}
sl@0: } {6}
sl@0: do_test in-2.7 {
sl@0:   execsql {SELECT a FROM t1 WHERE b IN (max(5,10,b),20)}
sl@0: } {4 5 6 7 8 9 10}
sl@0: do_test in-2.8 {
sl@0:   execsql {SELECT a FROM t1 WHERE b IN (8*2,64/2) ORDER BY b}
sl@0: } {4 5}
sl@0: do_test in-2.9 {
sl@0:   execsql {SELECT a FROM t1 WHERE b IN (max(5,10),20)}
sl@0: } {}
sl@0: do_test in-2.10 {
sl@0:   execsql {SELECT a FROM t1 WHERE min(0,b IN (a,30))}
sl@0: } {}
sl@0: do_test in-2.11 {
sl@0:   set v [catch {execsql {SELECT a FROM t1 WHERE c IN (10,20)}} msg]
sl@0:   lappend v $msg
sl@0: } {1 {no such column: c}}
sl@0: 
sl@0: # Testing the IN operator where the right-hand side is a SELECT
sl@0: #
sl@0: do_test in-3.1 {
sl@0:   execsql {
sl@0:     SELECT a FROM t1
sl@0:     WHERE b IN (SELECT b FROM t1 WHERE a<5)
sl@0:     ORDER BY a
sl@0:   }
sl@0: } {1 2 3 4}
sl@0: do_test in-3.2 {
sl@0:   execsql {
sl@0:     SELECT a FROM t1
sl@0:     WHERE b IN (SELECT b FROM t1 WHERE a<5) OR b==512
sl@0:     ORDER BY a
sl@0:   }
sl@0: } {1 2 3 4 9}
sl@0: do_test in-3.3 {
sl@0:   execsql {
sl@0:     SELECT a + 100*(b IN (SELECT b FROM t1 WHERE a<5)) FROM t1 ORDER BY b
sl@0:   }
sl@0: } {101 102 103 104 5 6 7 8 9 10}
sl@0: 
sl@0: # Make sure the UPDATE and DELETE commands work with IN-SELECT
sl@0: #
sl@0: do_test in-4.1 {
sl@0:   execsql {
sl@0:     UPDATE t1 SET b=b*2 
sl@0:     WHERE b IN (SELECT b FROM t1 WHERE a>8)
sl@0:   }
sl@0:   execsql {SELECT b FROM t1 ORDER BY b}
sl@0: } {2 4 8 16 32 64 128 256 1024 2048}
sl@0: do_test in-4.2 {
sl@0:   execsql {
sl@0:     DELETE FROM t1 WHERE b IN (SELECT b FROM t1 WHERE a>8)
sl@0:   }
sl@0:   execsql {SELECT a FROM t1 ORDER BY a}
sl@0: } {1 2 3 4 5 6 7 8}
sl@0: do_test in-4.3 {
sl@0:   execsql {
sl@0:     DELETE FROM t1 WHERE b NOT IN (SELECT b FROM t1 WHERE a>4)
sl@0:   }
sl@0:   execsql {SELECT a FROM t1 ORDER BY a}
sl@0: } {5 6 7 8}
sl@0: 
sl@0: # Do an IN with a constant RHS but where the RHS has many, many
sl@0: # elements.  We need to test that collisions in the hash table
sl@0: # are resolved properly.
sl@0: #
sl@0: do_test in-5.1 {
sl@0:   execsql {
sl@0:     INSERT INTO t1 VALUES('hello', 'world');
sl@0:     SELECT * FROM t1
sl@0:     WHERE a IN (
sl@0:        'Do','an','IN','with','a','constant','RHS','but','where','the',
sl@0:        'has','many','elements','We','need','to','test','that',
sl@0:        'collisions','hash','table','are','resolved','properly',
sl@0:        'This','in-set','contains','thirty','one','entries','hello');
sl@0:   }
sl@0: } {hello world}
sl@0: 
sl@0: # Make sure the IN operator works with INTEGER PRIMARY KEY fields.
sl@0: #
sl@0: do_test in-6.1 {
sl@0:   execsql {
sl@0:     CREATE TABLE ta(a INTEGER PRIMARY KEY, b);
sl@0:     INSERT INTO ta VALUES(1,1);
sl@0:     INSERT INTO ta VALUES(2,2);
sl@0:     INSERT INTO ta VALUES(3,3);
sl@0:     INSERT INTO ta VALUES(4,4);
sl@0:     INSERT INTO ta VALUES(6,6);
sl@0:     INSERT INTO ta VALUES(8,8);
sl@0:     INSERT INTO ta VALUES(10,
sl@0:        'This is a key that is long enough to require a malloc in the VDBE');
sl@0:     SELECT * FROM ta WHERE a<10;
sl@0:   }
sl@0: } {1 1 2 2 3 3 4 4 6 6 8 8}
sl@0: do_test in-6.2 {
sl@0:   execsql {
sl@0:     CREATE TABLE tb(a INTEGER PRIMARY KEY, b);
sl@0:     INSERT INTO tb VALUES(1,1);
sl@0:     INSERT INTO tb VALUES(2,2);
sl@0:     INSERT INTO tb VALUES(3,3);
sl@0:     INSERT INTO tb VALUES(5,5);
sl@0:     INSERT INTO tb VALUES(7,7);
sl@0:     INSERT INTO tb VALUES(9,9);
sl@0:     INSERT INTO tb VALUES(11,
sl@0:        'This is a key that is long enough to require a malloc in the VDBE');
sl@0:     SELECT * FROM tb WHERE a<10;
sl@0:   }
sl@0: } {1 1 2 2 3 3 5 5 7 7 9 9}
sl@0: do_test in-6.3 {
sl@0:   execsql {
sl@0:     SELECT a FROM ta WHERE b IN (SELECT a FROM tb);
sl@0:   }
sl@0: } {1 2 3}
sl@0: do_test in-6.4 {
sl@0:   execsql {
sl@0:     SELECT a FROM ta WHERE b NOT IN (SELECT a FROM tb);
sl@0:   }
sl@0: } {4 6 8 10}
sl@0: do_test in-6.5 {
sl@0:   execsql {
sl@0:     SELECT a FROM ta WHERE b IN (SELECT b FROM tb);
sl@0:   }
sl@0: } {1 2 3 10}
sl@0: do_test in-6.6 {
sl@0:   execsql {
sl@0:     SELECT a FROM ta WHERE b NOT IN (SELECT b FROM tb);
sl@0:   }
sl@0: } {4 6 8}
sl@0: do_test in-6.7 {
sl@0:   execsql {
sl@0:     SELECT a FROM ta WHERE a IN (SELECT a FROM tb);
sl@0:   }
sl@0: } {1 2 3}
sl@0: do_test in-6.8 {
sl@0:   execsql {
sl@0:     SELECT a FROM ta WHERE a NOT IN (SELECT a FROM tb);
sl@0:   }
sl@0: } {4 6 8 10}
sl@0: do_test in-6.9 {
sl@0:   execsql {
sl@0:     SELECT a FROM ta WHERE a IN (SELECT b FROM tb);
sl@0:   }
sl@0: } {1 2 3}
sl@0: do_test in-6.10 {
sl@0:   execsql {
sl@0:     SELECT a FROM ta WHERE a NOT IN (SELECT b FROM tb);
sl@0:   }
sl@0: } {4 6 8 10}
sl@0: 
sl@0: # Tests of IN operator against empty sets.  (Ticket #185)
sl@0: #
sl@0: do_test in-7.1 {
sl@0:   execsql {
sl@0:     SELECT a FROM t1 WHERE a IN ();
sl@0:   }
sl@0: } {}
sl@0: do_test in-7.2 {
sl@0:   execsql {
sl@0:     SELECT a FROM t1 WHERE a IN (5);
sl@0:   }
sl@0: } {5}
sl@0: do_test in-7.3 {
sl@0:   execsql {
sl@0:     SELECT a FROM t1 WHERE a NOT IN () ORDER BY a;
sl@0:   }
sl@0: } {5 6 7 8 hello}
sl@0: do_test in-7.4 {
sl@0:   execsql {
sl@0:     SELECT a FROM t1 WHERE a IN (5) AND b IN ();
sl@0:   }
sl@0: } {}
sl@0: do_test in-7.5 {
sl@0:   execsql {
sl@0:     SELECT a FROM t1 WHERE a IN (5) AND b NOT IN ();
sl@0:   }
sl@0: } {5}
sl@0: do_test in-7.6 {
sl@0:   execsql {
sl@0:     SELECT a FROM ta WHERE a IN ();
sl@0:   }
sl@0: } {}
sl@0: do_test in-7.7 {
sl@0:   execsql {
sl@0:     SELECT a FROM ta WHERE a NOT IN ();
sl@0:   }
sl@0: } {1 2 3 4 6 8 10}
sl@0: 
sl@0: do_test in-8.1 {
sl@0:   execsql {
sl@0:     SELECT b FROM t1 WHERE a IN ('hello','there')
sl@0:   }
sl@0: } {world}
sl@0: do_test in-8.2 {
sl@0:   execsql {
sl@0:     SELECT b FROM t1 WHERE a IN ("hello",'there')
sl@0:   }
sl@0: } {world}
sl@0: 
sl@0: # Test constructs of the form:  expr IN tablename
sl@0: #
sl@0: do_test in-9.1 {
sl@0:   execsql {
sl@0:     CREATE TABLE t4 AS SELECT a FROM tb;
sl@0:     SELECT * FROM t4;    
sl@0:   }
sl@0: } {1 2 3 5 7 9 11}
sl@0: do_test in-9.2 {
sl@0:   execsql {
sl@0:     SELECT b FROM t1 WHERE a IN t4;
sl@0:   }
sl@0: } {32 128}
sl@0: do_test in-9.3 {
sl@0:   execsql {
sl@0:     SELECT b FROM t1 WHERE a NOT IN t4;
sl@0:   }
sl@0: } {64 256 world}
sl@0: do_test in-9.4 {
sl@0:   catchsql {
sl@0:     SELECT b FROM t1 WHERE a NOT IN tb;
sl@0:   }
sl@0: } {1 {only a single result allowed for a SELECT that is part of an expression}}
sl@0: 
sl@0: # IN clauses in CHECK constraints.  Ticket #1645
sl@0: #
sl@0: do_test in-10.1 {
sl@0:   execsql {
sl@0:     CREATE TABLE t5(
sl@0:       a INTEGER,
sl@0:       CHECK( a IN (111,222,333) )
sl@0:     );
sl@0:     INSERT INTO t5 VALUES(111);
sl@0:     SELECT * FROM t5;
sl@0:   }
sl@0: } {111}
sl@0: do_test in-10.2 {
sl@0:   catchsql {
sl@0:     INSERT INTO t5 VALUES(4);
sl@0:   }
sl@0: } {1 {constraint failed}}
sl@0: 
sl@0: # Ticket #1821
sl@0: #
sl@0: # Type affinity applied to the right-hand side of an IN operator.
sl@0: #
sl@0: do_test in-11.1 {
sl@0:   execsql {
sl@0:     CREATE TABLE t6(a,b NUMERIC);
sl@0:     INSERT INTO t6 VALUES(1,2);
sl@0:     INSERT INTO t6 VALUES(2,3);
sl@0:     SELECT * FROM t6 WHERE b IN (2);
sl@0:   }
sl@0: } {1 2}
sl@0: do_test in-11.2 {
sl@0:   # The '2' should be coerced into 2 because t6.b is NUMERIC
sl@0:   execsql {
sl@0:     SELECT * FROM t6 WHERE b IN ('2');
sl@0:   }
sl@0: } {1 2}
sl@0: do_test in-11.3 {
sl@0:   # No coercion should occur here because of the unary + before b.
sl@0:   execsql {
sl@0:     SELECT * FROM t6 WHERE +b IN ('2');
sl@0:   }
sl@0: } {}
sl@0: do_test in-11.4 {
sl@0:   # No coercion because column a as affinity NONE
sl@0:   execsql {
sl@0:     SELECT * FROM t6 WHERE a IN ('2');
sl@0:   }
sl@0: } {}
sl@0: do_test in-11.5 {
sl@0:   execsql {
sl@0:     SELECT * FROM t6 WHERE a IN (2);
sl@0:   }
sl@0: } {2 3}
sl@0: do_test in-11.6 {
sl@0:   # No coercion because column a as affinity NONE
sl@0:   execsql {
sl@0:     SELECT * FROM t6 WHERE +a IN ('2');
sl@0:   }
sl@0: } {}
sl@0: 
sl@0: # Test error conditions with expressions of the form IN(<compound select>).
sl@0: #
sl@0: ifcapable compound {
sl@0: do_test in-12.1 {
sl@0:   execsql {
sl@0:     CREATE TABLE t2(a, b, c);
sl@0:     CREATE TABLE t3(a, b, c);
sl@0:   }
sl@0: } {}
sl@0: do_test in-12.2 {
sl@0:   catchsql {
sl@0:     SELECT * FROM t2 WHERE a IN (
sl@0:       SELECT a, b FROM t3 UNION ALL SELECT a, b FROM t2
sl@0:     );
sl@0:   }
sl@0: } {1 {only a single result allowed for a SELECT that is part of an expression}}
sl@0: do_test in-12.3 {
sl@0:   catchsql {
sl@0:     SELECT * FROM t2 WHERE a IN (
sl@0:       SELECT a, b FROM t3 UNION SELECT a, b FROM t2
sl@0:     );
sl@0:   }
sl@0: } {1 {only a single result allowed for a SELECT that is part of an expression}}
sl@0: do_test in-12.4 {
sl@0:   catchsql {
sl@0:     SELECT * FROM t2 WHERE a IN (
sl@0:       SELECT a, b FROM t3 EXCEPT SELECT a, b FROM t2
sl@0:     );
sl@0:   }
sl@0: } {1 {only a single result allowed for a SELECT that is part of an expression}}
sl@0: do_test in-12.5 {
sl@0:   catchsql {
sl@0:     SELECT * FROM t2 WHERE a IN (
sl@0:       SELECT a, b FROM t3 INTERSECT SELECT a, b FROM t2
sl@0:     );
sl@0:   }
sl@0: } {1 {only a single result allowed for a SELECT that is part of an expression}}
sl@0: do_test in-12.6 {
sl@0:   catchsql {
sl@0:     SELECT * FROM t2 WHERE a IN (
sl@0:       SELECT a FROM t3 UNION ALL SELECT a, b FROM t2
sl@0:     );
sl@0:   }
sl@0: } {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}}
sl@0: do_test in-12.7 {
sl@0:   catchsql {
sl@0:     SELECT * FROM t2 WHERE a IN (
sl@0:       SELECT a FROM t3 UNION SELECT a, b FROM t2
sl@0:     );
sl@0:   }
sl@0: } {1 {SELECTs to the left and right of UNION do not have the same number of result columns}}
sl@0: do_test in-12.8 {
sl@0:   catchsql {
sl@0:     SELECT * FROM t2 WHERE a IN (
sl@0:       SELECT a FROM t3 EXCEPT SELECT a, b FROM t2
sl@0:     );
sl@0:   }
sl@0: } {1 {SELECTs to the left and right of EXCEPT do not have the same number of result columns}}
sl@0: do_test in-12.9 {
sl@0:   catchsql {
sl@0:     SELECT * FROM t2 WHERE a IN (
sl@0:       SELECT a FROM t3 INTERSECT SELECT a, b FROM t2
sl@0:     );
sl@0:   }
sl@0: } {1 {SELECTs to the left and right of INTERSECT do not have the same number of result columns}}
sl@0: }
sl@0: 
sl@0: 
sl@0: #------------------------------------------------------------------------
sl@0: # The following tests check that NULL is handled correctly when it 
sl@0: # appears as part of a set of values on the right-hand side of an
sl@0: # IN or NOT IN operator.
sl@0: #
sl@0: # When it appears in such a set, NULL is handled as an "unknown value".
sl@0: # If, because of the unknown value in the set, the result of the expression 
sl@0: # cannot be determined, then it itself evaluates to NULL.
sl@0: #
sl@0: 
sl@0: # Warm body test to demonstrate the principles being tested:
sl@0: #
sl@0: do_test in-13.1 {
sl@0:   db nullvalue "null"
sl@0:   execsql { SELECT 
sl@0:     1 IN (NULL, 1, 2),     -- The value 1 is a member of the set, return true.
sl@0:     3 IN (NULL, 1, 2),     -- Ambiguous, return NULL.
sl@0:     1 NOT IN (NULL, 1, 2), -- The value 1 is a member of the set, return false.
sl@0:     3 NOT IN (NULL, 1, 2)  -- Ambiguous, return NULL.
sl@0:   }
sl@0: } {1 null 0 null}
sl@0: 
sl@0: do_test in-13.2 {
sl@0:   execsql { 
sl@0:     CREATE TABLE t7(a, b, c NOT NULL);
sl@0:     INSERT INTO t7 VALUES(1,    1, 1);
sl@0:     INSERT INTO t7 VALUES(2,    2, 2);
sl@0:     INSERT INTO t7 VALUES(3,    3, 3);
sl@0:     INSERT INTO t7 VALUES(NULL, 4, 4);
sl@0:     INSERT INTO t7 VALUES(NULL, 5, 5);
sl@0:   }
sl@0: } {}
sl@0: 
sl@0: do_test in-13.3 {
sl@0:   execsql { SELECT 2 IN (SELECT a FROM t7) }
sl@0: } {1}
sl@0: do_test in-13.4 {
sl@0:   execsql { SELECT 6 IN (SELECT a FROM t7) }
sl@0: } {null}
sl@0: 
sl@0: do_test in-13.5 {
sl@0:   execsql { SELECT 2 IN (SELECT b FROM t7) }
sl@0: } {1}
sl@0: do_test in-13.6 {
sl@0:   execsql { SELECT 6 IN (SELECT b FROM t7) }
sl@0: } {0}
sl@0: 
sl@0: do_test in-13.7 {
sl@0:   execsql { SELECT 2 IN (SELECT c FROM t7) }
sl@0: } {1}
sl@0: do_test in-13.8 {
sl@0:   execsql { SELECT 6 IN (SELECT c FROM t7) }
sl@0: } {0}
sl@0: 
sl@0: do_test in-13.9 {
sl@0:   execsql {
sl@0:     SELECT
sl@0:       2 NOT IN (SELECT a FROM t7),
sl@0:       6 NOT IN (SELECT a FROM t7),
sl@0:       2 NOT IN (SELECT b FROM t7),
sl@0:       6 NOT IN (SELECT b FROM t7),
sl@0:       2 NOT IN (SELECT c FROM t7),
sl@0:       6 NOT IN (SELECT c FROM t7)
sl@0:   } 
sl@0: } {0 null 0 1 0 1}
sl@0: 
sl@0: do_test in-13.10 {
sl@0:   execsql { 
sl@0:     SELECT b IN (
sl@0:       SELECT inside.a 
sl@0:       FROM t7 AS inside 
sl@0:       WHERE inside.b BETWEEN outside.b+1 AND outside.b+2
sl@0:     )
sl@0:     FROM t7 AS outside ORDER BY b;
sl@0:   }
sl@0: } {0 null null null 0}
sl@0: 
sl@0: do_test in-13.11 {
sl@0:   execsql {
sl@0:     SELECT b NOT IN (
sl@0:       SELECT inside.a 
sl@0:       FROM t7 AS inside 
sl@0:       WHERE inside.b BETWEEN outside.b+1 AND outside.b+2
sl@0:     )
sl@0:     FROM t7 AS outside ORDER BY b;
sl@0:   }
sl@0: } {1 null null null 1}
sl@0: 
sl@0: do_test in-13.12 {
sl@0:   execsql {
sl@0:     CREATE INDEX i1 ON t7(a);
sl@0:     CREATE INDEX i2 ON t7(b);
sl@0:     CREATE INDEX i3 ON t7(c);
sl@0:   }
sl@0:   execsql {
sl@0:     SELECT
sl@0:       2 IN (SELECT a FROM t7),
sl@0:       6 IN (SELECT a FROM t7),
sl@0:       2 IN (SELECT b FROM t7),
sl@0:       6 IN (SELECT b FROM t7),
sl@0:       2 IN (SELECT c FROM t7),
sl@0:       6 IN (SELECT c FROM t7)
sl@0:   } 
sl@0: } {1 null 1 0 1 0}
sl@0: 
sl@0: do_test in-13.13 {
sl@0:   execsql {
sl@0:     SELECT
sl@0:       2 NOT IN (SELECT a FROM t7),
sl@0:       6 NOT IN (SELECT a FROM t7),
sl@0:       2 NOT IN (SELECT b FROM t7),
sl@0:       6 NOT IN (SELECT b FROM t7),
sl@0:       2 NOT IN (SELECT c FROM t7),
sl@0:       6 NOT IN (SELECT c FROM t7)
sl@0:   } 
sl@0: } {0 null 0 1 0 1}
sl@0: 
sl@0: do_test in-13.14 {
sl@0:   execsql {
sl@0:     BEGIN TRANSACTION;
sl@0:     CREATE TABLE a(id INTEGER);
sl@0:     INSERT INTO a VALUES(1);
sl@0:     INSERT INTO a VALUES(2);
sl@0:     INSERT INTO a VALUES(3);
sl@0:     CREATE TABLE b(id INTEGER);
sl@0:     INSERT INTO b VALUES(NULL);
sl@0:     INSERT INTO b VALUES(3);
sl@0:     INSERT INTO b VALUES(4);
sl@0:     INSERT INTO b VALUES(5);
sl@0:     COMMIT;
sl@0:     SELECT * FROM a WHERE id NOT IN (SELECT id FROM b);
sl@0:   }
sl@0: } {}
sl@0: do_test in-13.14 {
sl@0:   execsql {
sl@0:     CREATE INDEX i5 ON b(id);
sl@0:     SELECT * FROM a WHERE id NOT IN (SELECT id FROM b);
sl@0:   }
sl@0: } {}
sl@0: 
sl@0: 
sl@0: do_test in-13.X {
sl@0:   db nullvalue ""
sl@0: } {}
sl@0: 
sl@0: finish_test