Add //third_party/sqlite to dirs_to_snapshot, remove net_sql.patch

third_party/sqlite/src/test/ioerr2.test

 # 2007 April 2
 #
 # 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 94 matching lines @@
   for {set ::N 1} {$::go} {incr ::N} {
     set ::sqlite_io_error_hit 0
     set ::sqlite_io_error_persist $bPersist
     set ::sqlite_io_error_pending $::N
 
     foreach {::go res} [catchsql $sql] {}
     check_db ioerr2-4.[expr {$bPersist+2}].$::N
   }
 }
 
+# When this test was written, an IO error within the UPDATE statement caused
+# a rollback, which tripped all read-cursors, causing the outer SELECT to
+# fail with "abort due to ROLLBACK". Now, the loop continues until the UPDATE
+# is run successfully. At this point the next IO error occurs within the 
+# SELECT - throwing the "disk I/O error" that the test case now expects.
+#
 do_test ioerr2-5 {
   execsql {
     CREATE TABLE t2 AS SELECT * FROM t1;
     PRAGMA temp_store = memory;
   }
   set ::sqlite_io_error_persist 0
   set ::go 1
   set rc [catch {
     for {set ::N 2} {$::N<200} {incr ::N} {
       db eval {SELECT * FROM t1 WHERE rowid IN (1, 5, 10, 15, 20)} {
         set ::sqlite_io_error_hit 0
         set ::sqlite_io_error_pending $::N
         set sql {UPDATE t2 SET b = randstr(400,400)}
         foreach {::go res} [catchsql $sql] {}
       }
     }
   } msg]
   list $rc $msg
-} {1 {callback requested query abort}}
+} {1 {disk I/O error}} ;# used to be "{1 {abort due to ROLLBACK}}"
 
 if {$::tcl_platform(platform) == "unix"} {
   # Cause the call to xAccess used by [pragma temp_store_directory] to
   # determine if the specified directory is writable to fail. This causes
   # SQLite to report "not a writable directory", which is probably the
   # right answer.
   #
   do_test ioerr2-6 {
     set ::sqlite_io_error_hit 0
     set ::sqlite_io_error_pending 1
@@ skipping 17 matching lines @@
   INSERT INTO de SELECT * FROM ab;
 } -sqlbody {
   BEGIN;
   UPDATE ab SET b = randstr(200,200);
   UPDATE de SET e = randstr(200,200) WHERE d = (SELECT max(d) FROM de);
   DELETE FROM ab;
   COMMIT;
 }
 
 finish_test