[sql] Import SQLite 3.17.0.

third_party/sqlite/src/test/delete.test

 # 2001 September 15
 #
 # 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.
 #
 #***********************************************************************
@@ skipping 371 matching lines @@
     INSERT INTO t5 VALUES(5, 6);
   }
   set res [list]
   db eval { SELECT t5.rowid AS r, c, d FROM t5, t6 ORDER BY a } {
     if {$r==2} { db eval { DELETE FROM t5 WHERE rowid = 3 } }
     lappend res $r $c $d
   }
   set res
 } {1 a b 1 c d 2 a b 2 c d}
 
+do_execsql_test delete-10.0 {
+  CREATE TABLE t1(a INT UNIQUE, b INT);
+  INSERT INTO t1(a,b) VALUES('1','2');
+  SELECT * FROM t1 WHERE a='1' AND b='2';
+} {1 2}
+
+do_execsql_test delete-10.1 {
+  DELETE FROM t1 WHERE a='1' AND b='2';
+}
+
+do_execsql_test delete-10.2 {
+  SELECT * FROM t1 WHERE a='1' AND b='2';
+}
+
 
 finish_test