1 files changed, 84 insertions, 0 deletions
diff --git a/test/tkt3334.test b/test/tkt3334.test
new file mode 100644
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+# 2008 August 26
+#
+# 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. 
+# Specifically, it tests that bug #3334 has been fixed by the
+# addition of restriction (19) to the subquery flattener optimization.
+#
+# $Id: tkt3334.test,v 1.1 2008/08/26 12:56:14 drh Exp $
+
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_test tkt3334-1.0 {
+  execsql {
+    CREATE TABLE t1(a,b);
+    INSERT INTO t1 VALUES(1,934);
+    INSERT INTO t1 VALUES(2,221);
+    INSERT INTO t1 VALUES(1,372);
+    INSERT INTO t1 VALUES(3,552);
+    INSERT INTO t1 VALUES(1,719);
+    INSERT INTO t1 VALUES(4,102);
+    SELECT * FROM t1 ORDER BY b;
+  }
+} {4 102 2 221 1 372 3 552 1 719 1 934}
+
+do_test tkt3334-1.1 {
+  execsql {
+    SELECT a FROM (SELECT a FROM t1 ORDER BY b LIMIT 2) WHERE a=1;
+  }
+} {}
+do_test tkt3334-1.2 {
+  execsql {
+    SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b LIMIT 2) WHERE a=1;
+  }
+} {0}
+do_test tkt3334-1.3 {
+  execsql {
+    SELECT a FROM (SELECT a FROM t1 ORDER BY b LIMIT 3) WHERE a=1;
+  }
+} {1}
+do_test tkt3334-1.4 {
+  execsql {
+    SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b LIMIT 3) WHERE a=1;
+  }
+} {1}
+do_test tkt3334-1.5 {
+  execsql {
+    SELECT a FROM (SELECT a FROM t1 ORDER BY b LIMIT 99) WHERE a=1;
+  }
+} {1 1 1}
+do_test tkt3334-1.6 {
+  execsql {
+    SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b LIMIT 99) WHERE a=1;
+  }
+} {3}
+do_test tkt3334-1.7 {
+  execsql {
+    SELECT a FROM (SELECT a FROM t1 ORDER BY b) WHERE a=1;
+  }
+} {1 1 1}
+do_test tkt3334-1.8 {
+  execsql {
+    SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b) WHERE a=1;
+  }
+} {3}
+do_test tkt3334-1.9 {
+  execsql {
+    SELECT a FROM (SELECT a FROM t1) WHERE a=1;
+  }
+} {1 1 1}
+do_test tkt3334-1.10 {
+  execsql {
+    SELECT count(*) FROM (SELECT a FROM t1) WHERE a=1;
+  }
+} {3}