sqlite/test/where6.test
drh dafc0ce818 Additional work on ticket #3015. The previous fix (check-in (4919)) did
not appear to work in all cases and it disabled indexing in some places
where it should not have.  New test cases added to help insure that the
current fix is better. (CVS 5026)

FossilOrigin-Name: 0d2e258e1a3276e55903ba2ded987f8d8a18cacd
2008-04-17 19:14:02 +00:00

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# 2007 June 8
#
# 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 that terms in the ON clause of
# a LEFT OUTER JOIN are not used with indices. See ticket #3015.
#
# $Id: where6.test,v 1.2 2008/04/17 19:14:02 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# Build some test data
#
do_test where6-1.1 {
execsql {
CREATE TABLE t1(a INTEGER PRIMARY KEY,b,c);
INSERT INTO t1 VALUES(1,3,1);
INSERT INTO t1 VALUES(2,4,2);
CREATE TABLE t2(x INTEGER PRIMARY KEY);
INSERT INTO t2 VALUES(3);
SELECT * FROM t1 LEFT JOIN t2 ON b=x AND c=1;
}
} {1 3 1 3 2 4 2 {}}
do_test where6-1.2 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON x=b AND c=1;
}
} {1 3 1 3 2 4 2 {}}
do_test where6-1.3 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON x=b AND 1=c;
}
} {1 3 1 3 2 4 2 {}}
do_test where6-1.4 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON b=x AND 1=c;
}
} {1 3 1 3 2 4 2 {}}
ifcapable explain {
do_test where6-1.5 {
explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON x=b AND 1=c}
} [explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON b=x AND c=1}]
do_test where6-1.6 {
explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON x=b WHERE 1=c}
} [explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE c=1}]
}
do_test where6-1.11 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE c=1;
}
} {1 3 1 3}
do_test where6-1.12 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON x=b WHERE c=1;
}
} {1 3 1 3}
do_test where6-1.13 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE 1=c;
}
} {1 3 1 3}
do_test where6-2.1 {
execsql {
CREATE INDEX i1 ON t1(c);
SELECT * FROM t1 LEFT JOIN t2 ON b=x AND c=1;
}
} {1 3 1 3 2 4 2 {}}
do_test where6-2.2 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON x=b AND c=1;
}
} {1 3 1 3 2 4 2 {}}
do_test where6-2.3 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON x=b AND 1=c;
}
} {1 3 1 3 2 4 2 {}}
do_test where6-2.4 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON b=x AND 1=c;
}
} {1 3 1 3 2 4 2 {}}
ifcapable explain {
do_test where6-2.5 {
explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON x=b AND 1=c}
} [explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON b=x AND c=1}]
do_test where6-2.6 {
explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON x=b WHERE 1=c}
} [explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE c=1}]
}
do_test where6-2.11 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE c=1;
}
} {1 3 1 3}
do_test where6-2.12 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON x=b WHERE c=1;
}
} {1 3 1 3}
do_test where6-2.13 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON x=b WHERE 1=c;
}
} {1 3 1 3}
do_test where6-2.14 {
execsql {
SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE 1=c;
}
} {1 3 1 3}
finish_test