sql/error_delegate_util.cc

   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