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In the VDBE, check to make sure a set has been initialized before using it.

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Ticket #185. (CVS 772)

FossilOrigin-Name: 8c4cbdd05517e91879a0f2c4559d0f0518d2385b
This commit is contained in:
drh
2002-10-30 22:42:58 +00:00
parent 1f16230b5c
commit 38dd0b4ff0
4 changed files with 55 additions and 13 deletions
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41
test/in.test
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@ -11,7 +11,7 @@
# This file implements regression tests for SQLite library. The
# focus of this file is testing the IN and BETWEEN operator.
#
# $Id: in.test,v 1.7 2002/07/01 00:31:36 drh Exp $
# $Id: in.test,v 1.8 2002/10/30 22:42:59 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -227,4 +227,43 @@ do_test in-6.10 {
}
} {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 {
execsql {
SELECT a FROM ta WHERE a IN ();
}
} {}
do_test in-7.7 {
execsql {
SELECT a FROM ta WHERE a NOT IN ();
}
} {1 2 3 4 6 8 10}
finish_test