Imported Upstream version 2.0.3

1 files changed, 57 insertions, 0 deletions

diff --git a/test/where8m.test b/test/where8m.test
new file mode 100644
index 0000000..4fce3db
--- /dev/null
+++ b/test/where8m.test
@@ -0,0 +1,57 @@
+# 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 the optimization
+# of WHERE clauses that feature the OR operator.
+#
+# $Id: where8m.test,v 1.3 2009/06/05 17:09:12 drh Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+source $testdir/malloc_common.tcl
+
+do_malloc_test where8m-1 -sqlprep {
+  CREATE TABLE t1(a, b, c);
+  CREATE INDEX i1 ON t1(a);
+  CREATE INDEX i2 ON t1(b);
+} -sqlbody {
+  SELECT c FROM t1
+  WHERE 
+    a = 2 OR b = 'three' OR a = 4 OR b = 'five' OR a = 6 OR
+    b = 'seven' OR a = 8 OR b = 'nine' OR a = 10
+  ORDER BY rowid;
+
+  SELECT c FROM t1 WHERE
+    a = 1 OR a = 2 OR a = 3 OR a = 4 OR a = 5 OR a = 6;
+
+  SELECT c FROM t1 WHERE
+    a BETWEEN 1 AND 3  AND b < 5 AND b > 2 AND c = 4;
+}
+
+do_malloc_test where8m-2 -tclprep {
+  db eval {
+    BEGIN;
+    CREATE TABLE t1(a, b, c);
+    CREATE INDEX i1 ON t1(a);
+    CREATE INDEX i2 ON t1(b);
+  }
+  for {set i 0} {$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