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 "components/history/core/browser/history_database.h" | 5 #include "components/history/core/browser/history_database.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 #include <set> | 10 #include <set> |
(...skipping 18 matching lines...) Expand all Loading... |
29 #include "base/mac/mac_util.h" | 29 #include "base/mac/mac_util.h" |
30 #endif | 30 #endif |
31 | 31 |
32 namespace history { | 32 namespace history { |
33 | 33 |
34 namespace { | 34 namespace { |
35 | 35 |
36 // Current version number. We write databases at the "current" version number, | 36 // Current version number. We write databases at the "current" version number, |
37 // but any previous version that can read the "compatible" one can make do with | 37 // but any previous version that can read the "compatible" one can make do with |
38 // our database without *too* many bad effects. | 38 // our database without *too* many bad effects. |
39 const int kCurrentVersionNumber = 30; | 39 const int kCurrentVersionNumber = 31; |
40 const int kCompatibleVersionNumber = 16; | 40 const int kCompatibleVersionNumber = 16; |
41 const char kEarlyExpirationThresholdKey[] = "early_expiration_threshold"; | 41 const char kEarlyExpirationThresholdKey[] = "early_expiration_threshold"; |
42 const int kMaxHostsInMemory = 10000; | 42 const int kMaxHostsInMemory = 10000; |
43 | 43 |
44 } // namespace | 44 } // namespace |
45 | 45 |
46 HistoryDatabase::HistoryDatabase( | 46 HistoryDatabase::HistoryDatabase( |
47 DownloadInterruptReason download_interrupt_reason_none, | 47 DownloadInterruptReason download_interrupt_reason_none, |
48 DownloadInterruptReason download_interrupt_reason_crash) | 48 DownloadInterruptReason download_interrupt_reason_crash) |
49 : DownloadDatabase(download_interrupt_reason_none, | 49 : DownloadDatabase(download_interrupt_reason_none, |
(...skipping 442 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
492 | 492 |
493 if (cur_version == 29) { | 493 if (cur_version == 29) { |
494 if (!MigrateHashHttpMethodAndGenerateGuids()) { | 494 if (!MigrateHashHttpMethodAndGenerateGuids()) { |
495 LOG(WARNING) << "Unable to migrate history to version 30"; | 495 LOG(WARNING) << "Unable to migrate history to version 30"; |
496 return sql::INIT_FAILURE; | 496 return sql::INIT_FAILURE; |
497 } | 497 } |
498 cur_version++; | 498 cur_version++; |
499 meta_table_.SetVersionNumber(cur_version); | 499 meta_table_.SetVersionNumber(cur_version); |
500 } | 500 } |
501 | 501 |
| 502 if (cur_version == 30) { |
| 503 if (!MigrateDownloadTabUrl()) { |
| 504 LOG(WARNING) << "Unable to migrate history to version 31"; |
| 505 return sql::INIT_FAILURE; |
| 506 } |
| 507 cur_version++; |
| 508 meta_table_.SetVersionNumber(cur_version); |
| 509 } |
| 510 |
502 // When the version is too old, we just try to continue anyway, there should | 511 // When the version is too old, we just try to continue anyway, there should |
503 // not be a released product that makes a database too old for us to handle. | 512 // not be a released product that makes a database too old for us to handle. |
504 LOG_IF(WARNING, cur_version < GetCurrentVersion()) << | 513 LOG_IF(WARNING, cur_version < GetCurrentVersion()) << |
505 "History database version " << cur_version << " is too old to handle."; | 514 "History database version " << cur_version << " is too old to handle."; |
506 | 515 |
507 return sql::INIT_OK; | 516 return sql::INIT_OK; |
508 } | 517 } |
509 | 518 |
510 #if !defined(OS_WIN) | 519 #if !defined(OS_WIN) |
511 void HistoryDatabase::MigrateTimeEpoch() { | 520 void HistoryDatabase::MigrateTimeEpoch() { |
512 // Update all the times in the URLs and visits table in the main database. | 521 // Update all the times in the URLs and visits table in the main database. |
513 ignore_result(db_.Execute( | 522 ignore_result(db_.Execute( |
514 "UPDATE urls " | 523 "UPDATE urls " |
515 "SET last_visit_time = last_visit_time + 11644473600000000 " | 524 "SET last_visit_time = last_visit_time + 11644473600000000 " |
516 "WHERE id IN (SELECT id FROM urls WHERE last_visit_time > 0);")); | 525 "WHERE id IN (SELECT id FROM urls WHERE last_visit_time > 0);")); |
517 ignore_result(db_.Execute( | 526 ignore_result(db_.Execute( |
518 "UPDATE visits " | 527 "UPDATE visits " |
519 "SET visit_time = visit_time + 11644473600000000 " | 528 "SET visit_time = visit_time + 11644473600000000 " |
520 "WHERE id IN (SELECT id FROM visits WHERE visit_time > 0);")); | 529 "WHERE id IN (SELECT id FROM visits WHERE visit_time > 0);")); |
521 ignore_result(db_.Execute( | 530 ignore_result(db_.Execute( |
522 "UPDATE segment_usage " | 531 "UPDATE segment_usage " |
523 "SET time_slot = time_slot + 11644473600000000 " | 532 "SET time_slot = time_slot + 11644473600000000 " |
524 "WHERE id IN (SELECT id FROM segment_usage WHERE time_slot > 0);")); | 533 "WHERE id IN (SELECT id FROM segment_usage WHERE time_slot > 0);")); |
525 } | 534 } |
526 #endif | 535 #endif |
527 | 536 |
528 } // namespace history | 537 } // namespace history |
OLD | NEW |