[sql] Import reference version of SQLite 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/test/select3.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 244 matching lines @@
     SELECT typeof(sum(a3)) FROM a;
   }
 } {real}
 do_test select3-8.2 {
   execsql {
     SELECT typeof(sum(a3)) FROM a GROUP BY a1;
   }
 } {real}
 
 finish_test