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

third_party/sqlite/src/test/memdb.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 222 matching lines @@
  14 {}       {}       {UPDATE OR FAIL}        1 {6 7 3 4}  1
  15 {}       {}       {UPDATE OR ABORT}       1 {1 2 3 4}  1
  16 {}       {}       {UPDATE OR ROLLBACK}    1 {1 2 3 4}  0
 } {
   # All tests after test 1 depend on conflict resolution. So end the
   # loop if that is not available in this build.
   ifcapable !conflict {
     if {$i>1} break
   }
 
-  if {$t0} {set t1 {column a is not unique}}
+  if {$t0} {set t1 {UNIQUE constraint failed: t1.a}}
   do_test memdb-5.$i {
     if {$conf1!=""} {set conf1 "ON CONFLICT $conf1"}
     if {$conf2!=""} {set conf2 "ON CONFLICT $conf2"}
     set r0 [catch {execsql "
       DROP TABLE t1;
       CREATE TABLE t1(a,b,c, UNIQUE(a) $conf1);
       INSERT INTO t1 SELECT * FROM t2;
       UPDATE t3 SET x=0;
       BEGIN $conf2;
       $cmd t3 SET x=1;
@@ skipping 104 matching lines @@
 
 do_test memdb-6.15 {
   execsql {
     DELETE FROM t5 WHERE x>0;
     SELECT * FROM t5;
   }
 } {}
 
 ifcapable subquery&&vtab {
   do_test memdb-7.1 {
-    register_wholenumber_module db
+    load_static_extension db wholenumber
     execsql {
       CREATE TABLE t6(x);
       CREATE VIRTUAL TABLE nums USING wholenumber;
       INSERT INTO t6 SELECT value FROM nums WHERE value BETWEEN 1 AND 256;
       SELECT count(*) FROM (SELECT DISTINCT x FROM t6);
     }
   } {256}
   for {set i 1} {$i<=256} {incr i} {
     do_test memdb-7.2.$i {
        execsql "DELETE FROM t6 WHERE x=\
@@ skipping 44 matching lines @@
     set pgovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 1]
     execsql { DELETE FROM t1 }
     set memused2 [lindex [sqlite3_status SQLITE_STATUS_MEMORY_USED 0] 1]
     expr {($memused2 + 2048 < $memused) || $pgovfl==0}
   } {1}
 }
 
 } ;# ifcapable memorydb
 
 finish_test