OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/history/history_database.h" | 5 #include "chrome/browser/history/history_database.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <set> | 8 #include <set> |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/command_line.h" | 11 #include "base/command_line.h" |
12 #include "base/file_util.h" | 12 #include "base/file_util.h" |
13 #include "base/metrics/histogram.h" | 13 #include "base/metrics/histogram.h" |
14 #include "base/rand_util.h" | 14 #include "base/rand_util.h" |
15 #include "base/strings/string_util.h" | 15 #include "base/strings/string_util.h" |
16 #include "base/time/time.h" | 16 #include "base/time/time.h" |
17 #include "sql/transaction.h" | 17 #include "sql/transaction.h" |
18 | 18 |
19 #if defined(OS_MACOSX) | 19 #if defined(OS_MACOSX) |
20 #include "base/mac/mac_util.h" | 20 #include "base/mac/mac_util.h" |
21 #endif | 21 #endif |
22 | 22 |
23 namespace history { | 23 namespace history { |
24 | 24 |
25 namespace { | 25 namespace { |
26 | 26 |
27 // Current version number. We write databases at the "current" version number, | 27 // Current version number. We write databases at the "current" version number, |
28 // but any previous version that can read the "compatible" one can make do with | 28 // but any previous version that can read the "compatible" one can make do with |
29 // our database without *too* many bad effects. | 29 // our database without *too* many bad effects. |
30 const int kCurrentVersionNumber = 28; | 30 const int kCurrentVersionNumber = 29; |
31 const int kCompatibleVersionNumber = 16; | 31 const int kCompatibleVersionNumber = 16; |
32 const char kEarlyExpirationThresholdKey[] = "early_expiration_threshold"; | 32 const char kEarlyExpirationThresholdKey[] = "early_expiration_threshold"; |
33 | 33 |
34 } // namespace | 34 } // namespace |
35 | 35 |
36 HistoryDatabase::HistoryDatabase() { | 36 HistoryDatabase::HistoryDatabase() { |
37 } | 37 } |
38 | 38 |
39 HistoryDatabase::~HistoryDatabase() { | 39 HistoryDatabase::~HistoryDatabase() { |
40 } | 40 } |
(...skipping 374 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
415 | 415 |
416 if (cur_version == 27) { | 416 if (cur_version == 27) { |
417 if (!MigrateDownloadValidators()) { | 417 if (!MigrateDownloadValidators()) { |
418 LOG(WARNING) << "Unable to migrate history to version 28"; | 418 LOG(WARNING) << "Unable to migrate history to version 28"; |
419 return sql::INIT_FAILURE; | 419 return sql::INIT_FAILURE; |
420 } | 420 } |
421 cur_version++; | 421 cur_version++; |
422 meta_table_.SetVersionNumber(cur_version); | 422 meta_table_.SetVersionNumber(cur_version); |
423 } | 423 } |
424 | 424 |
| 425 if (cur_version == 28) { |
| 426 if (!MigrateMimeType()) { |
| 427 LOG(WARNING) << "Unable to migrate history to version 29"; |
| 428 return sql::INIT_FAILURE; |
| 429 } |
| 430 cur_version++; |
| 431 meta_table_.SetVersionNumber(cur_version); |
| 432 } |
| 433 |
425 // When the version is too old, we just try to continue anyway, there should | 434 // When the version is too old, we just try to continue anyway, there should |
426 // not be a released product that makes a database too old for us to handle. | 435 // not be a released product that makes a database too old for us to handle. |
427 LOG_IF(WARNING, cur_version < GetCurrentVersion()) << | 436 LOG_IF(WARNING, cur_version < GetCurrentVersion()) << |
428 "History database version " << cur_version << " is too old to handle."; | 437 "History database version " << cur_version << " is too old to handle."; |
429 | 438 |
430 return sql::INIT_OK; | 439 return sql::INIT_OK; |
431 } | 440 } |
432 | 441 |
433 #if !defined(OS_WIN) | 442 #if !defined(OS_WIN) |
434 void HistoryDatabase::MigrateTimeEpoch() { | 443 void HistoryDatabase::MigrateTimeEpoch() { |
435 // Update all the times in the URLs and visits table in the main database. | 444 // Update all the times in the URLs and visits table in the main database. |
436 ignore_result(db_.Execute( | 445 ignore_result(db_.Execute( |
437 "UPDATE urls " | 446 "UPDATE urls " |
438 "SET last_visit_time = last_visit_time + 11644473600000000 " | 447 "SET last_visit_time = last_visit_time + 11644473600000000 " |
439 "WHERE id IN (SELECT id FROM urls WHERE last_visit_time > 0);")); | 448 "WHERE id IN (SELECT id FROM urls WHERE last_visit_time > 0);")); |
440 ignore_result(db_.Execute( | 449 ignore_result(db_.Execute( |
441 "UPDATE visits " | 450 "UPDATE visits " |
442 "SET visit_time = visit_time + 11644473600000000 " | 451 "SET visit_time = visit_time + 11644473600000000 " |
443 "WHERE id IN (SELECT id FROM visits WHERE visit_time > 0);")); | 452 "WHERE id IN (SELECT id FROM visits WHERE visit_time > 0);")); |
444 ignore_result(db_.Execute( | 453 ignore_result(db_.Execute( |
445 "UPDATE segment_usage " | 454 "UPDATE segment_usage " |
446 "SET time_slot = time_slot + 11644473600000000 " | 455 "SET time_slot = time_slot + 11644473600000000 " |
447 "WHERE id IN (SELECT id FROM segment_usage WHERE time_slot > 0);")); | 456 "WHERE id IN (SELECT id FROM segment_usage WHERE time_slot > 0);")); |
448 } | 457 } |
449 #endif | 458 #endif |
450 | 459 |
451 } // namespace history | 460 } // namespace history |
OLD | NEW |