Home | History | Annotate | Download | only in sql 
      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "sql/error_delegate_util.h"
      6 
      7 #include "third_party/sqlite/sqlite3.h"
      8 
      9 namespace sql {
     10 
     11 bool IsErrorCatastrophic(int error) {
     12   switch (error) {
     13     case SQLITE_DONE:
     14     case SQLITE_OK:
     15       // Theoretically, the wrapped delegate might have resolved the error, and
     16       // we would end up here.
     17       return false;
     18 
     19     case SQLITE_CORRUPT:
     20     case SQLITE_NOTADB:
     21       // Highly unlikely we would ever recover from these.
     22       return true;
     23 
     24     case SQLITE_CANTOPEN:
     25       // TODO(erikwright): Figure out what this means.
     26       return false;
     27 
     28     case SQLITE_IOERR:
     29       // This could be broken blocks, in which case deleting the DB would be a
     30       // good idea. But it might also be transient.
     31       // TODO(erikwright): Figure out if we can distinguish between the two,
     32       // or determine through metrics analysis to what extent these failures are
     33       // transient.
     34       return false;
     35 
     36     case SQLITE_BUSY:
     37       // Presumably transient.
     38       return false;
     39 
     40     case SQLITE_TOOBIG:
     41     case SQLITE_FULL:
     42     case SQLITE_NOMEM:
     43       // Not a problem with the database.
     44       return false;
     45 
     46     case SQLITE_READONLY:
     47       // Presumably either transient or we don't have the privileges to
     48       // move/delete the file anyway.
     49       return false;
     50 
     51     case SQLITE_CONSTRAINT:
     52     case SQLITE_ERROR:
     53       // These probgably indicate a programming error or a migration failure
     54       // that we prefer not to mask.
     55       return false;
     56 
     57     case SQLITE_LOCKED:
     58     case SQLITE_INTERNAL:
     59     case SQLITE_PERM:
     60     case SQLITE_ABORT:
     61     case SQLITE_INTERRUPT:
     62     case SQLITE_NOTFOUND:
     63     case SQLITE_PROTOCOL:
     64     case SQLITE_EMPTY:
     65     case SQLITE_SCHEMA:
     66     case SQLITE_MISMATCH:
     67     case SQLITE_MISUSE:
     68     case SQLITE_NOLFS:
     69     case SQLITE_AUTH:
     70     case SQLITE_FORMAT:
     71     case SQLITE_RANGE:
     72     case SQLITE_ROW:
     73       // None of these appear in error reports, so for now let's not try to
     74       // guess at how to handle them.
     75       return false;
     76   }
     77   return false;
     78 }
     79 
     80 }  // namespace sql
     81