Import SQLite 3.10.2.

third_party/sqlite/src/test/distinct.test

Index: third_party/sqlite/src/test/distinct.test
diff --git a/third_party/sqlite/src/test/distinct.test b/third_party/sqlite/src/test/distinct.test
index 78c2c1df363de9df1123455a22b486e3106fef92..dac2269b0bcf2321e4b28495e73b933251707c44 100644
--- a/third_party/sqlite/src/test/distinct.test
+++ b/third_party/sqlite/src/test/distinct.test
@@ -222,4 +222,51 @@ do_execsql_test 4.1 {
   SELECT quote(x) FROM t2 ORDER BY 1;
 } {'xyzzy' X'0000000000'}
 
+#----------------------------------------------------------------------------
+# Ticket [c5ea805691bfc4204b1cb9e9aa0103bd48bc7d34] (2014-12-04)
+# Make sure that DISTINCT works together with ORDER BY and descending
+# indexes.
+#
+do_execsql_test 5.1 {
+  DROP TABLE IF EXISTS t1;
+  CREATE TABLE t1(x);
+  INSERT INTO t1(x) VALUES(3),(1),(5),(2),(6),(4),(5),(1),(3);
+  CREATE INDEX t1x ON t1(x DESC);
+  SELECT DISTINCT x FROM t1 ORDER BY x ASC;
+} {1 2 3 4 5 6}
+do_execsql_test 5.2 {
+  SELECT DISTINCT x FROM t1 ORDER BY x DESC;
+} {6 5 4 3 2 1}
+do_execsql_test 5.3 {
+  SELECT DISTINCT x FROM t1 ORDER BY x;
+} {1 2 3 4 5 6}
+do_execsql_test 5.4 {
+  DROP INDEX t1x;
+  CREATE INDEX t1x ON t1(x ASC);
+  SELECT DISTINCT x FROM t1 ORDER BY x ASC;
+} {1 2 3 4 5 6}
+do_execsql_test 5.5 {
+  SELECT DISTINCT x FROM t1 ORDER BY x DESC;
+} {6 5 4 3 2 1}
+do_execsql_test 5.6 {
+  SELECT DISTINCT x FROM t1 ORDER BY x;
+} {1 2 3 4 5 6}
+
+#-------------------------------------------------------------------------
+# 2015-11-23.  Problem discovered by Kostya Serebryany using libFuzzer
+#
+db close
+sqlite3 db :memory:
+do_execsql_test 6.1 {
+  CREATE TABLE jjj(x);
+  SELECT (SELECT 'mmm' UNION SELECT DISTINCT max(name) ORDER BY 1) 
+    FROM sqlite_master;
+} {jjj}
+do_execsql_test 6.2 {
+  CREATE TABLE nnn(x);
+  SELECT (SELECT 'mmm' UNION SELECT DISTINCT max(name) ORDER BY 1) 
+    FROM sqlite_master;
+} {mmm}
+
+
 finish_test