[sql] Rewrite sqlite patching "system".

third_party/sqlite/src/src/main.c

 /*
 ** 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 1978 matching lines @@
     rc = sqlite3Fts2Init(db);
   }
 #endif
 
 #ifdef SQLITE_ENABLE_FTS3
   if( !db->mallocFailed && rc==SQLITE_OK ){
     rc = sqlite3Fts3Init(db);
   }
 #endif
 
+#ifdef DEFAULT_ENABLE_RECOVER
+  /* Initialize recover virtual table for testing. */
+  extern int recoverVtableInit(sqlite3 *db);
+  if( !db->mallocFailed && rc==SQLITE_OK ){
+    rc = recoverVtableInit(db);
+  }
+#endif

[Scott Hess - ex-Googler, 2015/01/27 22:09:37]

This is here for testing, production enables it as-needed in sql/recovery.cc.

+
 #ifdef SQLITE_ENABLE_ICU
   if( !db->mallocFailed && rc==SQLITE_OK ){
     rc = sqlite3IcuInit(db);
   }
 #endif
 
 #ifdef SQLITE_ENABLE_RTREE
   if( !db->mallocFailed && rc==SQLITE_OK){
     rc = sqlite3RtreeInit(db);
   }
@@ skipping 652 matching lines @@
       if( sz ) *ppNew = sqlite3ScratchMalloc(sz);
       sqlite3ScratchFree(pFree);
       break;
     }
 
   }
   va_end(ap);
 #endif /* SQLITE_OMIT_BUILTIN_TEST */
   return rc;
 }