[sql] Import reference version of SQLite 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/test/tkt3841.test

 # 2009 May 7
 #
 # 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 28 matching lines @@
     SELECT
       table2.x,
       (SELECT group_concat(list.value)
         FROM list
         WHERE list.key = table2.key)
     FROM table2;
   }
 } {alist 1,2,3 blist 4,5,6}
 
 finish_test