# 2008 December 23
#
# 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
# is testing of where.c. More specifically, the focus is on handling OOM
# errors within the code that optimizes WHERE clauses that feature the
# OR operator.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl
set testprefix wherefault
do_malloc_test 1 -sqlprep {
CREATE TABLE t1(a, b, c);
CREATE INDEX i1 ON t1(a);
CREATE INDEX i2 ON t1(b);
} -sqlbody {
SELECT c FROM t1
WHERE
a = 2 OR b = 'three' OR a = 4 OR b = 'five' OR a = 6 OR
b = 'seven' OR a = 8 OR b = 'nine' OR a = 10
ORDER BY rowid;
SELECT c FROM t1 WHERE
a = 1 OR a = 2 OR a = 3 OR a = 4 OR a = 5 OR a = 6;
SELECT c FROM t1 WHERE
a BETWEEN 1 AND 3 AND b < 5 AND b > 2 AND c = 4;
}
do_malloc_test 2 -tclprep {
db eval {
BEGIN;
CREATE TABLE t1(a, b, c);
CREATE INDEX i1 ON t1(a);
CREATE INDEX i2 ON t1(b);
}
for {set i 0} {$i < 1000} {incr i} {
set ii [expr $i*$i]
set iii [expr $i*$i]
db eval { INSERT INTO t1 VALUES($i, $ii, $iii) }
}
db eval COMMIT
} -sqlbody {
SELECT count(*) FROM t1 WHERE a BETWEEN 5 AND 995 OR b BETWEEN 5 AND 900000;
}
finish_test