Import SQLite 3.7.6.3.

third_party/sqlite/src/test/tkt-31338dca7e.test

+# 2009 December 16
+#
+# 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.
+#
+# This file implements tests to verify that ticket [31338dca7e] has been
+# fixed.  Ticket [31338dca7e] demonstrates problems with the OR-clause
+# optimization in joins where the WHERE clause is of the form
+#
+#     (x AND y) OR z
+#
+# And the x and y subterms from from different tables of the join.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_test tkt-31338-1.1 {
+  db eval {
+    CREATE TABLE t1(x);
+    CREATE TABLE t2(y);
+    INSERT INTO t1 VALUES(111);
+    INSERT INTO t1 VALUES(222);
+    INSERT INTO t2 VALUES(333);
+    INSERT INTO t2 VALUES(444);
+    SELECT * FROM t1, t2
+     WHERE (x=111 AND y!=444) OR x=222
+     ORDER BY x, y;
+  }
+} {111 333 222 333 222 444}
+
+do_test tkt-31338-1.2 {
+  db eval {
+    CREATE INDEX t1x ON t1(x);
+    SELECT * FROM t1, t2
+     WHERE (x=111 AND y!=444) OR x=222
+     ORDER BY x, y;
+  }
+} {111 333 222 333 222 444}
+
+do_test tkt-31338-2.1 {
+  db eval {
+    CREATE TABLE t3(v,w);
+    CREATE TABLE t4(x,y);
+    CREATE TABLE t5(z);
+    INSERT INTO t3 VALUES(111,222);
+    INSERT INTO t3 VALUES(333,444);
+    INSERT INTO t4 VALUES(222,333);
+    INSERT INTO t4 VALUES(444,555);
+    INSERT INTO t5 VALUES(888);
+    INSERT INTO t5 VALUES(999);
+    
+    SELECT * FROM t3, t4, t5
+     WHERE (v=111 AND x=w AND z!=999) OR (v=333 AND x=444)
+     ORDER BY v, w, x, y, z;
+  }
+} {111 222 222 333 888 333 444 444 555 888 333 444 444 555 999}
+
+do_test tkt-31338-2.2 {
+  db eval {
+   CREATE INDEX t3v ON t3(v);
+   CREATE INDEX t4x ON t4(x);
+    SELECT * FROM t3, t4, t5
+     WHERE (v=111 AND x=w AND z!=999) OR (v=333 AND x=444)
+     ORDER BY v, w, x, y, z;
+  }
+} {111 222 222 333 888 333 444 444 555 888 333 444 444 555 999}
+
+
+finish_test