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sqlite/test/in.test
drh 311efc70a7 Add a test case for what was formerly thought to be an unreachable condition: 
when the LHS of an OR operator contains an error and the RHS contains an IN
operator.

FossilOrigin-Name: 3872742591add4e94033484c2844e7d7ab69674b
2015-04-15 04:20:58 +00:00

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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 IN and BETWEEN operator.
#
# $Id: in.test,v 1.22 2008/08/04 03:51:24 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# Generate the test data we will need for the first squences of tests.
#
do_test in-1.0 {
execsql {
BEGIN;
CREATE TABLE t1(a int, b int);
}
for {set i 1} {$i<=10} {incr i} {
execsql "INSERT INTO t1 VALUES($i,[expr {1<<$i}])"
}
execsql {
COMMIT;
SELECT count(*) FROM t1;
}
} {10}
# Do basic testing of BETWEEN.
#
do_test in-1.1 {
execsql {SELECT a FROM t1 WHERE b BETWEEN 10 AND 50 ORDER BY a}
} {4 5}
do_test in-1.2 {
execsql {SELECT a FROM t1 WHERE b NOT BETWEEN 10 AND 50 ORDER BY a}
} {1 2 3 6 7 8 9 10}
do_test in-1.3 {
execsql {SELECT a FROM t1 WHERE b BETWEEN a AND a*5 ORDER BY a}
} {1 2 3 4}
do_test in-1.4 {
execsql {SELECT a FROM t1 WHERE b NOT BETWEEN a AND a*5 ORDER BY a}
} {5 6 7 8 9 10}
do_test in-1.6 {
execsql {SELECT a FROM t1 WHERE b BETWEEN a AND a*5 OR b=512 ORDER BY a}
} {1 2 3 4 9}
do_test in-1.7 {
execsql {SELECT a+ 100*(a BETWEEN 1 and 3) FROM t1 ORDER BY b}
} {101 102 103 4 5 6 7 8 9 10}
# The rest of this file concentrates on testing the IN operator.
# Skip this if the library is compiled with SQLITE_OMIT_SUBQUERY
# (because the IN operator is unavailable).
#
ifcapable !subquery {
finish_test
return
}
# Testing of the IN operator using static lists on the right-hand side.
#
do_test in-2.1 {
execsql {SELECT a FROM t1 WHERE b IN (8,12,16,24,32) ORDER BY a}
} {3 4 5}
do_test in-2.2 {
execsql {SELECT a FROM t1 WHERE b NOT IN (8,12,16,24,32) ORDER BY a}
} {1 2 6 7 8 9 10}
do_test in-2.3 {
execsql {SELECT a FROM t1 WHERE b IN (8,12,16,24,32) OR b=512 ORDER BY a}
} {3 4 5 9}
do_test in-2.4 {
execsql {SELECT a FROM t1 WHERE b NOT IN (8,12,16,24,32) OR b=512 ORDER BY a}
} {1 2 6 7 8 9 10}
do_test in-2.5 {
execsql {SELECT a+100*(b IN (8,16,24)) FROM t1 ORDER BY b}
} {1 2 103 104 5 6 7 8 9 10}
do_test in-2.6 {
execsql {SELECT a FROM t1 WHERE b IN (b+8,64)}
} {6}
do_test in-2.7 {
execsql {SELECT a FROM t1 WHERE b IN (max(5,10,b),20)}
} {4 5 6 7 8 9 10}
do_test in-2.8 {
execsql {SELECT a FROM t1 WHERE b IN (8*2,64/2) ORDER BY b}
} {4 5}
do_test in-2.9 {
execsql {SELECT a FROM t1 WHERE b IN (max(5,10),20)}
} {}
do_test in-2.10 {
execsql {SELECT a FROM t1 WHERE min(0,b IN (a,30))}
} {}
do_test in-2.11 {
set v [catch {execsql {SELECT a FROM t1 WHERE c IN (10,20)}} msg]
lappend v $msg
} {1 {no such column: c}}
# Testing the IN operator where the right-hand side is a SELECT
#
do_test in-3.1 {
execsql {
SELECT a FROM t1
WHERE b IN (SELECT b FROM t1 WHERE a<5)
ORDER BY a
}
} {1 2 3 4}
do_test in-3.2 {
execsql {
SELECT a FROM t1
WHERE b IN (SELECT b FROM t1 WHERE a<5) OR b==512
ORDER BY a
}
} {1 2 3 4 9}
do_test in-3.3 {
execsql {
SELECT a + 100*(b IN (SELECT b FROM t1 WHERE a<5)) FROM t1 ORDER BY b
}
} {101 102 103 104 5 6 7 8 9 10}
# Make sure the UPDATE and DELETE commands work with IN-SELECT
#
do_test in-4.1 {
execsql {
UPDATE t1 SET b=b*2
WHERE b IN (SELECT b FROM t1 WHERE a>8)
}
execsql {SELECT b FROM t1 ORDER BY b}
} {2 4 8 16 32 64 128 256 1024 2048}
do_test in-4.2 {
execsql {
DELETE FROM t1 WHERE b IN (SELECT b FROM t1 WHERE a>8)
}
execsql {SELECT a FROM t1 ORDER BY a}
} {1 2 3 4 5 6 7 8}
do_test in-4.3 {
execsql {
DELETE FROM t1 WHERE b NOT IN (SELECT b FROM t1 WHERE a>4)
}
execsql {SELECT a FROM t1 ORDER BY a}
} {5 6 7 8}
# Do an IN with a constant RHS but where the RHS has many, many
# elements. We need to test that collisions in the hash table
# are resolved properly.
#
do_test in-5.1 {
execsql {
INSERT INTO t1 VALUES('hello', 'world');
SELECT * FROM t1
WHERE a IN (
'Do','an','IN','with','a','constant','RHS','but','where','the',
'has','many','elements','We','need','to','test','that',
'collisions','hash','table','are','resolved','properly',
'This','in-set','contains','thirty','one','entries','hello');
}
} {hello world}
# Make sure the IN operator works with INTEGER PRIMARY KEY fields.
#
do_test in-6.1 {
execsql {
CREATE TABLE ta(a INTEGER PRIMARY KEY, b);
INSERT INTO ta VALUES(1,1);
INSERT INTO ta VALUES(2,2);
INSERT INTO ta VALUES(3,3);
INSERT INTO ta VALUES(4,4);
INSERT INTO ta VALUES(6,6);
INSERT INTO ta VALUES(8,8);
INSERT INTO ta VALUES(10,
'This is a key that is long enough to require a malloc in the VDBE');
SELECT * FROM ta WHERE a<10;
}
} {1 1 2 2 3 3 4 4 6 6 8 8}
do_test in-6.2 {
execsql {
CREATE TABLE tb(a INTEGER PRIMARY KEY, b);
INSERT INTO tb VALUES(1,1);
INSERT INTO tb VALUES(2,2);
INSERT INTO tb VALUES(3,3);
INSERT INTO tb VALUES(5,5);
INSERT INTO tb VALUES(7,7);
INSERT INTO tb VALUES(9,9);
INSERT INTO tb VALUES(11,
'This is a key that is long enough to require a malloc in the VDBE');
SELECT * FROM tb WHERE a<10;
}
} {1 1 2 2 3 3 5 5 7 7 9 9}
do_test in-6.3 {
execsql {
SELECT a FROM ta WHERE b IN (SELECT a FROM tb);
}
} {1 2 3}
do_test in-6.4 {
execsql {
SELECT a FROM ta WHERE b NOT IN (SELECT a FROM tb);
}
} {4 6 8 10}
do_test in-6.5 {
execsql {
SELECT a FROM ta WHERE b IN (SELECT b FROM tb);
}
} {1 2 3 10}
do_test in-6.6 {
execsql {
SELECT a FROM ta WHERE b NOT IN (SELECT b FROM tb);
}
} {4 6 8}
do_test in-6.7 {
execsql {
SELECT a FROM ta WHERE a IN (SELECT a FROM tb);
}
} {1 2 3}
do_test in-6.8 {
execsql {
SELECT a FROM ta WHERE a NOT IN (SELECT a FROM tb);
}
} {4 6 8 10}
do_test in-6.9 {
execsql {
SELECT a FROM ta WHERE a IN (SELECT b FROM tb);
}
} {1 2 3}
do_test in-6.10 {
execsql {
SELECT a FROM ta WHERE a NOT IN (SELECT b FROM tb);
}
} {4 6 8 10}
# Tests of IN operator against empty sets. (Ticket #185)
#
do_test in-7.1 {
execsql {
SELECT a FROM t1 WHERE a IN ();
}
} {}
do_test in-7.2 {
execsql {
SELECT a FROM t1 WHERE a IN (5);
}
} {5}
do_test in-7.3 {
execsql {
SELECT a FROM t1 WHERE a NOT IN () ORDER BY a;
}
} {5 6 7 8 hello}
do_test in-7.4 {
execsql {
SELECT a FROM t1 WHERE a IN (5) AND b IN ();
}
} {}
do_test in-7.5 {
execsql {
SELECT a FROM t1 WHERE a IN (5) AND b NOT IN ();
}
} {5}
do_test in-7.6.1 {
execsql {
SELECT a FROM ta WHERE a IN ();
}
} {}
do_test in-7.6.2 {
db status step
} {0}
do_test in-7.7 {
execsql {
SELECT a FROM ta WHERE a NOT IN ();
}
} {1 2 3 4 6 8 10}
do_test in-7.8.1 {
execsql {
SELECT * FROM ta LEFT JOIN tb ON (ta.b=tb.b) WHERE ta.a IN ();
}
} {}
do_test in-7.8.2 {
db status step
} {0}
do_test in-8.1 {
execsql {
SELECT b FROM t1 WHERE a IN ('hello','there')
}
} {world}
do_test in-8.2 {
execsql {
SELECT b FROM t1 WHERE a IN ("hello",'there')
}
} {world}
# Test constructs of the form: expr IN tablename
#
do_test in-9.1 {
execsql {
CREATE TABLE t4 AS SELECT a FROM tb;
SELECT * FROM t4;
}
} {1 2 3 5 7 9 11}
do_test in-9.2 {
execsql {
SELECT b FROM t1 WHERE a IN t4;
}
} {32 128}
do_test in-9.3 {
execsql {
SELECT b FROM t1 WHERE a NOT IN t4;
}
} {64 256 world}
do_test in-9.4 {
catchsql {
SELECT b FROM t1 WHERE a NOT IN tb;
}
} {1 {only a single result allowed for a SELECT that is part of an expression}}
# IN clauses in CHECK constraints. Ticket #1645
#
do_test in-10.1 {
execsql {
CREATE TABLE t5(
a INTEGER,
CHECK( a IN (111,222,333) )
);
INSERT INTO t5 VALUES(111);
SELECT * FROM t5;
}
} {111}
do_test in-10.2 {
catchsql {
INSERT INTO t5 VALUES(4);
}
} {1 {CHECK constraint failed: t5}}
# Ticket #1821
#
# Type affinity applied to the right-hand side of an IN operator.
#
do_test in-11.1 {
execsql {
CREATE TABLE t6(a,b NUMERIC);
INSERT INTO t6 VALUES(1,2);
INSERT INTO t6 VALUES(2,3);
SELECT * FROM t6 WHERE b IN (2);
}
} {1 2}
do_test in-11.2 {
# The '2' should be coerced into 2 because t6.b is NUMERIC
execsql {
SELECT * FROM t6 WHERE b IN ('2');
}
} {1 2}
do_test in-11.3 {
# No coercion should occur here because of the unary + before b.
execsql {
SELECT * FROM t6 WHERE +b IN ('2');
}
} {}
do_test in-11.4 {
# No coercion because column a as affinity NONE
execsql {
SELECT * FROM t6 WHERE a IN ('2');
}
} {}
do_test in-11.5 {
execsql {
SELECT * FROM t6 WHERE a IN (2);
}
} {2 3}
do_test in-11.6 {
# No coercion because column a as affinity NONE
execsql {
SELECT * FROM t6 WHERE +a IN ('2');
}
} {}
# Test error conditions with expressions of the form IN(<compound select>).
#
ifcapable compound {
do_test in-12.1 {
execsql {
CREATE TABLE t2(a, b, c);
CREATE TABLE t3(a, b, c);
}
} {}
do_test in-12.2 {
catchsql {
SELECT * FROM t2 WHERE a IN (
SELECT a, b FROM t3 UNION ALL SELECT a, b FROM t2
);
}
} {1 {only a single result allowed for a SELECT that is part of an expression}}
do_test in-12.3 {
catchsql {
SELECT * FROM t2 WHERE a IN (
SELECT a, b FROM t3 UNION SELECT a, b FROM t2
);
}
} {1 {only a single result allowed for a SELECT that is part of an expression}}
do_test in-12.4 {
catchsql {
SELECT * FROM t2 WHERE a IN (
SELECT a, b FROM t3 EXCEPT SELECT a, b FROM t2
);
}
} {1 {only a single result allowed for a SELECT that is part of an expression}}
do_test in-12.5 {
catchsql {
SELECT * FROM t2 WHERE a IN (
SELECT a, b FROM t3 INTERSECT SELECT a, b FROM t2
);
}
} {1 {only a single result allowed for a SELECT that is part of an expression}}
do_test in-12.6 {
catchsql {
SELECT * FROM t2 WHERE a IN (
SELECT a, b FROM t3 UNION ALL SELECT a FROM t2
);
}
} {1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}}
do_test in-12.7 {
catchsql {
SELECT * FROM t2 WHERE a IN (
SELECT a, b FROM t3 UNION SELECT a FROM t2
);
}
} {1 {SELECTs to the left and right of UNION do not have the same number of result columns}}
do_test in-12.8 {
catchsql {
SELECT * FROM t2 WHERE a IN (
SELECT a, b FROM t3 EXCEPT SELECT a FROM t2
);
}
} {1 {SELECTs to the left and right of EXCEPT do not have the same number of result columns}}
do_test in-12.9 {
catchsql {
SELECT * FROM t2 WHERE a IN (
SELECT a, b FROM t3 INTERSECT SELECT a FROM t2
);
}
} {1 {SELECTs to the left and right of INTERSECT do not have the same number of result columns}}
}
ifcapable compound {
do_test in-12.10 {
catchsql {
SELECT * FROM t2 WHERE a IN (
SELECT a FROM t3 UNION ALL SELECT a, b FROM t2
);
}
} {1 {only a single result allowed for a SELECT that is part of an expression}}
do_test in-12.11 {
catchsql {
SELECT * FROM t2 WHERE a IN (
SELECT a FROM t3 UNION SELECT a, b FROM t2
);
}
} {1 {only a single result allowed for a SELECT that is part of an expression}}
do_test in-12.12 {
catchsql {
SELECT * FROM t2 WHERE a IN (
SELECT a FROM t3 EXCEPT SELECT a, b FROM t2
);
}
} {1 {only a single result allowed for a SELECT that is part of an expression}}
do_test in-12.13 {
catchsql {
SELECT * FROM t2 WHERE a IN (
SELECT a FROM t3 INTERSECT SELECT a, b FROM t2
);
}
} {1 {only a single result allowed for a SELECT that is part of an expression}}
}; #ifcapable compound
#------------------------------------------------------------------------
# The following tests check that NULL is handled correctly when it
# appears as part of a set of values on the right-hand side of an
# IN or NOT IN operator.
#
# When it appears in such a set, NULL is handled as an "unknown value".
# If, because of the unknown value in the set, the result of the expression
# cannot be determined, then it itself evaluates to NULL.
#
# Warm body test to demonstrate the principles being tested:
#
do_test in-13.1 {
db nullvalue "null"
execsql { SELECT
1 IN (NULL, 1, 2), -- The value 1 is a member of the set, return true.
3 IN (NULL, 1, 2), -- Ambiguous, return NULL.
1 NOT IN (NULL, 1, 2), -- The value 1 is a member of the set, return false.
3 NOT IN (NULL, 1, 2) -- Ambiguous, return NULL.
}
} {1 null 0 null}
do_test in-13.2 {
execsql {
CREATE TABLE t7(a, b, c NOT NULL);
INSERT INTO t7 VALUES(1, 1, 1);
INSERT INTO t7 VALUES(2, 2, 2);
INSERT INTO t7 VALUES(3, 3, 3);
INSERT INTO t7 VALUES(NULL, 4, 4);
INSERT INTO t7 VALUES(NULL, 5, 5);
}
} {}
do_test in-13.3 {
execsql { SELECT 2 IN (SELECT a FROM t7) }
} {1}
do_test in-13.4 {
execsql { SELECT 6 IN (SELECT a FROM t7) }
} {null}
do_test in-13.5 {
execsql { SELECT 2 IN (SELECT b FROM t7) }
} {1}
do_test in-13.6 {
execsql { SELECT 6 IN (SELECT b FROM t7) }
} {0}
do_test in-13.7 {
execsql { SELECT 2 IN (SELECT c FROM t7) }
} {1}
do_test in-13.8 {
execsql { SELECT 6 IN (SELECT c FROM t7) }
} {0}
do_test in-13.9 {
execsql {
SELECT
2 NOT IN (SELECT a FROM t7),
6 NOT IN (SELECT a FROM t7),
2 NOT IN (SELECT b FROM t7),
6 NOT IN (SELECT b FROM t7),
2 NOT IN (SELECT c FROM t7),
6 NOT IN (SELECT c FROM t7)
}
} {0 null 0 1 0 1}
do_test in-13.10 {
execsql {
SELECT b IN (
SELECT inside.a
FROM t7 AS inside
WHERE inside.b BETWEEN outside.b+1 AND outside.b+2
)
FROM t7 AS outside ORDER BY b;
}
} {0 null null null 0}
do_test in-13.11 {
execsql {
SELECT b NOT IN (
SELECT inside.a
FROM t7 AS inside
WHERE inside.b BETWEEN outside.b+1 AND outside.b+2
)
FROM t7 AS outside ORDER BY b;
}
} {1 null null null 1}
do_test in-13.12 {
execsql {
CREATE INDEX i1 ON t7(a);
CREATE INDEX i2 ON t7(b);
CREATE INDEX i3 ON t7(c);
}
execsql {
SELECT
2 IN (SELECT a FROM t7),
6 IN (SELECT a FROM t7),
2 IN (SELECT b FROM t7),
6 IN (SELECT b FROM t7),
2 IN (SELECT c FROM t7),
6 IN (SELECT c FROM t7)
}
} {1 null 1 0 1 0}
do_test in-13.13 {
execsql {
SELECT
2 NOT IN (SELECT a FROM t7),
6 NOT IN (SELECT a FROM t7),
2 NOT IN (SELECT b FROM t7),
6 NOT IN (SELECT b FROM t7),
2 NOT IN (SELECT c FROM t7),
6 NOT IN (SELECT c FROM t7)
}
} {0 null 0 1 0 1}
do_test in-13.14 {
execsql {
BEGIN TRANSACTION;
CREATE TABLE a(id INTEGER);
INSERT INTO a VALUES(1);
INSERT INTO a VALUES(2);
INSERT INTO a VALUES(3);
CREATE TABLE b(id INTEGER);
INSERT INTO b VALUES(NULL);
INSERT INTO b VALUES(3);
INSERT INTO b VALUES(4);
INSERT INTO b VALUES(5);
COMMIT;
SELECT * FROM a WHERE id NOT IN (SELECT id FROM b);
}
} {}
do_test in-13.14 {
execsql {
CREATE INDEX i5 ON b(id);
SELECT * FROM a WHERE id NOT IN (SELECT id FROM b);
}
} {}
do_test in-13.15 {
catchsql {
SELECT 0 WHERE (SELECT 0,0) OR (0 IN (1,2));
}
} {1 {only a single result allowed for a SELECT that is part of an expression}}
do_test in-13.X {
db nullvalue ""
} {}
finish_test
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