# 2008 September 1
#
# 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.
#
#***********************************************************************
#
# $Id: in4.test,v 1.4 2009/06/05 17:09:12 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
do_test in4-1.1 {
execsql {
CREATE TABLE t1(a, b);
CREATE INDEX i1 ON t1(a);
}
} {}
do_test in4-1.2 {
execsql {
SELECT * FROM t1 WHERE a IN ('aaa', 'bbb', 'ccc');
}
} {}
do_test in4-1.3 {
execsql {
INSERT INTO t1 VALUES('aaa', 1);
INSERT INTO t1 VALUES('ddd', 2);
INSERT INTO t1 VALUES('ccc', 3);
INSERT INTO t1 VALUES('eee', 4);
SELECT b FROM t1 WHERE a IN ('aaa', 'bbb', 'ccc');
}
} {1 3}
do_test in4-1.4 {
execsql {
SELECT a FROM t1 WHERE rowid IN (1, 3);
}
} {aaa ccc}
do_test in4-1.5 {
execsql {
SELECT a FROM t1 WHERE rowid IN ();
}
} {}
do_test in4-1.6 {
execsql {
SELECT a FROM t1 WHERE a IN ('ddd');
}
} {ddd}
do_test in4-2.1 {
execsql {
CREATE TABLE t2(a INTEGER PRIMARY KEY, b TEXT);
INSERT INTO t2 VALUES(-1, '-one');
INSERT INTO t2 VALUES(0, 'zero');
INSERT INTO t2 VALUES(1, 'one');
INSERT INTO t2 VALUES(2, 'two');
INSERT INTO t2 VALUES(3, 'three');
}
} {}
do_test in4-2.2 {
execsql { SELECT b FROM t2 WHERE a IN (0, 2) }
} {zero two}
do_test in4-2.3 {
execsql { SELECT b FROM t2 WHERE a IN (2, 0) }
} {zero two}
do_test in4-2.4 {
execsql { SELECT b FROM t2 WHERE a IN (2, -1) }
} {-one two}
do_test in4-2.5 {
execsql { SELECT b FROM t2 WHERE a IN (NULL, 3) }
} {three}
do_test in4-2.6 {
execsql { SELECT b FROM t2 WHERE a IN (1.0, 2.1) }
} {one}
do_test in4-2.7 {
execsql { SELECT b FROM t2 WHERE a IN ('1', '2') }
} {one two}
do_test in4-2.8 {
execsql { SELECT b FROM t2 WHERE a IN ('', '0.0.0', '2') }
} {two}
# The following block of tests test expressions of the form:
#
# <expr> IN ()
#
# i.e. IN expressions with a literal empty set.
#
# This has led to crashes on more than one occasion. Test case in4-3.2
# was added in reponse to a bug reported on the mailing list on 11/7/2008.
# See also tickets #3602 and #185.
#
do_test in4-3.1 {
execsql {
DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1(x, id);
CREATE TABLE t2(x, id);
INSERT INTO t1 VALUES(NULL, NULL);
INSERT INTO t1 VALUES(0, NULL);
INSERT INTO t1 VALUES(1, 3);
INSERT INTO t1 VALUES(2, 4);
INSERT INTO t1 VALUES(3, 5);
INSERT INTO t1 VALUES(4, 6);
INSERT INTO t2 VALUES(0, NULL);
INSERT INTO t2 VALUES(4, 1);
INSERT INTO t2 VALUES(NULL, 1);
INSERT INTO t2 VALUES(NULL, NULL);
}
} {}
do_test in4-3.2 {
execsql {
SELECT x FROM t1 WHERE id IN () AND x IN (SELECT x FROM t2 WHERE id=1)
}
} {}
do_test in4-3.3 {
execsql {
CREATE TABLE t3(x, y, z);
CREATE INDEX t3i1 ON t3(x, y);
INSERT INTO t3 VALUES(1, 1, 1);
INSERT INTO t3 VALUES(10, 10, 10);
}
execsql { SELECT * FROM t3 WHERE x IN () }
} {}
do_test in4-3.4 {
execsql { SELECT * FROM t3 WHERE x = 10 AND y IN () }
} {}
do_test in4-3.5 {
execsql { SELECT * FROM t3 WHERE x IN () AND y = 10 }
} {}
do_test in4-3.6 {
execsql { SELECT * FROM t3 WHERE x IN () OR x = 10 }
} {10 10 10}
do_test in4-3.7 {
execsql { SELECT * FROM t3 WHERE y IN () }
} {}
do_test in4-3.8 {
execsql { SELECT x IN() AS a FROM t3 WHERE a }
} {}
do_test in4-3.9 {
execsql { SELECT x IN() AS a FROM t3 WHERE NOT a }
} {0 0}
do_test in4-3.10 {
execsql { SELECT * FROM t3 WHERE oid IN () }
} {}
do_test in4-3.11 {
execsql { SELECT * FROM t3 WHERE x IN (1, 2) OR y IN ()}
} {1 1 1}
do_test in4-3.12 {
execsql { SELECT * FROM t3 WHERE x IN (1, 2) AND y IN ()}
} {}
# Tests for "... IN (?)" and "... NOT IN (?)". In other words, tests
# for when the RHS of IN is a single expression. This should work the
# same as the == and <> operators.
#
do_execsql_test in4-3.21 {
SELECT * FROM t3 WHERE x=10 AND y IN (10);
} {10 10 10}
do_execsql_test in4-3.22 {
SELECT * FROM t3 WHERE x IN (10) AND y=10;
} {10 10 10}
do_execsql_test in4-3.23 {
SELECT * FROM t3 WHERE x IN (10) AND y IN (10);
} {10 10 10}
do_execsql_test in4-3.24 {
SELECT * FROM t3 WHERE x=1 AND y NOT IN (10);
} {1 1 1}
do_execsql_test in4-3.25 {
SELECT * FROM t3 WHERE x NOT IN (10) AND y=1;
} {1 1 1}
do_execsql_test in4-3.26 {
SELECT * FROM t3 WHERE x NOT IN (10) AND y NOT IN (10);
} {1 1 1}
# The query planner recognizes that "x IN (?)" only generates a
# single match and can use this information to optimize-out ORDER BY
# clauses.
#
do_execsql_test in4-3.31 {
DROP INDEX t3i1;
CREATE UNIQUE INDEX t3xy ON t3(x,y);
SELECT *, '|' FROM t3 A, t3 B
WHERE A.x=10 AND A.y IN (10)
AND B.x=1 AND B.y IN (1);
} {10 10 10 1 1 1 |}
do_execsql_test in4-3.32 {
EXPLAIN QUERY PLAN
SELECT *, '|' FROM t3 A, t3 B
WHERE A.x=10 AND A.y IN (10)
AND B.x=1 AND B.y IN (1);
} {~/B-TREE/} ;# No separate sorting pass
do_execsql_test in4-3.33 {
SELECT *, '|' FROM t3 A, t3 B
WHERE A.x IN (10) AND A.y=10
AND B.x IN (1) AND B.y=1;
} {10 10 10 1 1 1 |}
do_execsql_test in4-3.34 {
EXPLAIN QUERY PLAN
SELECT *, '|' FROM t3 A, t3 B
WHERE A.x IN (10) AND A.y=10
AND B.x IN (1) AND B.y=1;
} {~/B-TREE/} ;# No separate sorting pass
# An expression of the form "x IN (?,?)" creates an ephemeral table to
# hold the list of values on the RHS. But "x IN (?)" does not create
# an ephemeral table.
#
do_execsql_test in4-3.41 {
SELECT * FROM t3 WHERE x IN (10,11);
} {10 10 10}
do_execsql_test in4-3.42 {
EXPLAIN
SELECT * FROM t3 WHERE x IN (10,11);
} {/OpenEphemeral/}
do_execsql_test in4-3.43 {
SELECT * FROM t3 WHERE x IN (10);
} {10 10 10}
do_execsql_test in4-3.44 {
EXPLAIN
SELECT * FROM t3 WHERE x IN (10);
} {~/OpenEphemeral/}
do_execsql_test in4-3.45 {
SELECT * FROM t3 WHERE x NOT IN (10,11);
} {1 1 1}
do_execsql_test in4-3.46 {
EXPLAIN
SELECT * FROM t3 WHERE x NOT IN (10,11);
} {/OpenEphemeral/}
do_execsql_test in4-3.47 {
SELECT * FROM t3 WHERE x NOT IN (10);
} {1 1 1}
do_execsql_test in4-3.48 {
EXPLAIN
SELECT * FROM t3 WHERE x NOT IN (10);
} {~/OpenEphemeral/}
# Make sure that when "x IN (?)" is converted into "x==?" that collating
# sequence and affinity computations do not get messed up.
#
do_execsql_test in4-4.1 {
CREATE TABLE t4a(a TEXT, b TEXT COLLATE nocase, c);
INSERT INTO t4a VALUES('ABC','abc',1);
INSERT INTO t4a VALUES('def','xyz',2);
INSERT INTO t4a VALUES('ghi','ghi',3);
SELECT c FROM t4a WHERE a=b ORDER BY c;
} {3}
do_execsql_test in4-4.2 {
SELECT c FROM t4a WHERE b=a ORDER BY c;
} {1 3}
do_execsql_test in4-4.3 {
SELECT c FROM t4a WHERE (a||'')=b ORDER BY c;
} {1 3}
do_execsql_test in4-4.4 {
SELECT c FROM t4a WHERE (a||'')=(b||'') ORDER BY c;
} {3}
do_execsql_test in4-4.5 {
SELECT c FROM t4a WHERE a IN (b) ORDER BY c;
} {3}
do_execsql_test in4-4.6 {
SELECT c FROM t4a WHERE (a||'') IN (b) ORDER BY c;
} {3}
do_execsql_test in4-4.11 {
CREATE TABLE t4b(a TEXT, b NUMERIC, c);
INSERT INTO t4b VALUES('1.0',1,4);
SELECT c FROM t4b WHERE a=b;
} {4}
do_execsql_test in4-4.12 {
SELECT c FROM t4b WHERE b=a;
} {4}
do_execsql_test in4-4.13 {
SELECT c FROM t4b WHERE +a=b;
} {4}
do_execsql_test in4-4.14 {
SELECT c FROM t4b WHERE a=+b;
} {}
do_execsql_test in4-4.15 {
SELECT c FROM t4b WHERE +b=a;
} {}
do_execsql_test in4-4.16 {
SELECT c FROM t4b WHERE b=+a;
} {4}
do_execsql_test in4-4.17 {
SELECT c FROM t4b WHERE a IN (b);
} {}
do_execsql_test in4-4.18 {
SELECT c FROM t4b WHERE b IN (a);
} {4}
do_execsql_test in4-4.19 {
SELECT c FROM t4b WHERE +b IN (a);
} {}
do_execsql_test in4-5.1 {
CREATE TABLE t5(c INTEGER PRIMARY KEY, d TEXT COLLATE nocase);
INSERT INTO t5 VALUES(17, 'fuzz');
SELECT 1 FROM t5 WHERE 'fuzz' IN (d); -- match
SELECT 2 FROM t5 WHERE 'FUZZ' IN (d); -- no match
SELECT 3 FROM t5 WHERE d IN ('fuzz'); -- match
SELECT 4 FROM t5 WHERE d IN ('FUZZ'); -- match
} {1 3 4}
# An expression of the form "x IN (y)" can be used as "x=y" by the
# query planner when computing transitive constraints or to run the
# query using an index on y.
#
do_execsql_test in4-6.1 {
CREATE TABLE t6a(a INTEGER PRIMARY KEY, b);
INSERT INTO t6a VALUES(1,2),(3,4),(5,6);
CREATE TABLE t6b(c INTEGER PRIMARY KEY, d);
INSERT INTO t6b VALUES(4,44),(5,55),(6,66);
SELECT * FROM t6a, t6b WHERE a=3 AND b IN (c);
} {3 4 4 44}
do_execsql_test in4-6.1-eqp {
EXPLAIN QUERY PLAN
SELECT * FROM t6a, t6b WHERE a=3 AND b IN (c);
} {~/SCAN/}
do_execsql_test in4-6.2 {
SELECT * FROM t6a, t6b WHERE a=3 AND c IN (b);
} {3 4 4 44}
do_execsql_test in4-6.2-eqp {
EXPLAIN QUERY PLAN
SELECT * FROM t6a, t6b WHERE a=3 AND c IN (b);
} {~/SCAN/}
finish_test