From 569c6676a6ddb0ff73821d7693b5e18ddef809b9 Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <hans@eds.org>
Date: Thu, 16 Oct 2014 22:51:35 -0400
Subject: Imported Upstream version 3.2.0

---
 test/selectF.test | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 test/selectF.test

(limited to 'test/selectF.test')

diff --git a/test/selectF.test b/test/selectF.test
new file mode 100644
index 0000000..3fb226e
--- /dev/null
+++ b/test/selectF.test
@@ -0,0 +1,49 @@
+# 2014-03-03
+#
+# 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 verifies that an OP_Copy operation is used instead of OP_SCopy
+# in a compound select in a case where the source register might be changed
+# before the copy is used.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix selectF
+
+do_execsql_test 1 {
+  BEGIN TRANSACTION;
+  CREATE TABLE t1(a, b, c);
+  INSERT INTO "t1" VALUES(1,'one','I');
+  CREATE TABLE t2(d, e, f);
+  INSERT INTO "t2" VALUES(5,'ten','XX');
+  INSERT INTO "t2" VALUES(6,NULL,NULL);
+
+  CREATE INDEX i1 ON t1(b, a);
+  COMMIT;
+}
+
+#explain_i {
+#  SELECT * FROM t2
+#  UNION ALL 
+#  SELECT * FROM t1 WHERE a<5 
+#  ORDER BY 2, 1
+#}
+
+do_execsql_test 2 {
+  SELECT * FROM t2
+  UNION ALL 
+  SELECT * FROM t1 WHERE a<5 
+  ORDER BY 2, 1
+} {6 {} {} 1 one I 5 ten XX}
+
+
+  
+finish_test
-- 
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