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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/string_util.h" | 15 #include "base/string_util.h" |
16 #include "sql/transaction.h" | 16 #include "sql/transaction.h" |
17 | 17 |
18 #if defined(OS_MACOSX) | 18 #if defined(OS_MACOSX) |
19 #include "base/mac/mac_util.h" | 19 #include "base/mac/mac_util.h" |
20 #endif | 20 #endif |
21 | 21 |
22 namespace history { | 22 namespace history { |
23 | 23 |
24 namespace { | 24 namespace { |
25 | 25 |
26 // Current version number. We write databases at the "current" version number, | 26 // Current version number. We write databases at the "current" version number, |
27 // but any previous version that can read the "compatible" one can make do with | 27 // but any previous version that can read the "compatible" one can make do with |
28 // or database without *too* many bad effects. | 28 // or database without *too* many bad effects. |
29 static const int kCurrentVersionNumber = 23; | 29 static const int kCurrentVersionNumber = 24; |
30 static const int kCompatibleVersionNumber = 16; | 30 static const int kCompatibleVersionNumber = 16; |
31 static const char kEarlyExpirationThresholdKey[] = "early_expiration_threshold"; | 31 static const char kEarlyExpirationThresholdKey[] = "early_expiration_threshold"; |
32 | 32 |
33 // Key in the meta table used to determine if we need to migrate thumbnails out | 33 // Key in the meta table used to determine if we need to migrate thumbnails out |
34 // of history. | 34 // of history. |
35 static const char kNeedsThumbnailMigrationKey[] = "needs_thumbnail_migration"; | 35 static const char kNeedsThumbnailMigrationKey[] = "needs_thumbnail_migration"; |
36 | 36 |
37 void ComputeDatabaseMetrics(const FilePath& history_name, | 37 void ComputeDatabaseMetrics(const FilePath& history_name, |
38 sql::Connection& db) { | 38 sql::Connection& db) { |
39 if (base::RandInt(1, 100) != 50) | 39 if (base::RandInt(1, 100) != 50) |
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335 if (cur_version == 22) { | 335 if (cur_version == 22) { |
336 if (!MigrateDownloadsState()) { | 336 if (!MigrateDownloadsState()) { |
337 LOG(WARNING) << "Unable to fix invalid downloads state values"; | 337 LOG(WARNING) << "Unable to fix invalid downloads state values"; |
338 // Invalid state values may cause crashes. | 338 // Invalid state values may cause crashes. |
339 return sql::INIT_FAILURE; | 339 return sql::INIT_FAILURE; |
340 } | 340 } |
341 cur_version++; | 341 cur_version++; |
342 meta_table_.SetVersionNumber(cur_version); | 342 meta_table_.SetVersionNumber(cur_version); |
343 } | 343 } |
344 | 344 |
345 if (cur_version == 23) { | |
346 if (!MigrateReasonAndPaths()) { | |
benjhayden
2012/11/14 19:43:22
Put 'Downloads' in this method name?
Randy Smith (Not in Mondays)
2012/11/14 22:47:34
Done.
| |
347 LOG(WARNING) << "Unable to upgrade download interrupt reason and paths"; | |
348 // Invalid state values may cause crashes. | |
349 return sql::INIT_FAILURE; | |
350 } | |
351 cur_version++; | |
352 meta_table_.SetVersionNumber(cur_version); | |
353 } | |
354 | |
345 // When the version is too old, we just try to continue anyway, there should | 355 // When the version is too old, we just try to continue anyway, there should |
346 // not be a released product that makes a database too old for us to handle. | 356 // not be a released product that makes a database too old for us to handle. |
347 LOG_IF(WARNING, cur_version < GetCurrentVersion()) << | 357 LOG_IF(WARNING, cur_version < GetCurrentVersion()) << |
348 "History database version " << cur_version << " is too old to handle."; | 358 "History database version " << cur_version << " is too old to handle."; |
349 | 359 |
350 return sql::INIT_OK; | 360 return sql::INIT_OK; |
351 } | 361 } |
352 | 362 |
353 #if !defined(OS_WIN) | 363 #if !defined(OS_WIN) |
354 void HistoryDatabase::MigrateTimeEpoch() { | 364 void HistoryDatabase::MigrateTimeEpoch() { |
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369 "WHERE id IN (SELECT id FROM segment_usage WHERE time_slot > 0);")); | 379 "WHERE id IN (SELECT id FROM segment_usage WHERE time_slot > 0);")); |
370 | 380 |
371 // Erase all the full text index files. These will take a while to update and | 381 // Erase all the full text index files. These will take a while to update and |
372 // are less important, so we just blow them away. Same with the archived | 382 // are less important, so we just blow them away. Same with the archived |
373 // database. | 383 // database. |
374 needs_version_17_migration_ = true; | 384 needs_version_17_migration_ = true; |
375 } | 385 } |
376 #endif | 386 #endif |
377 | 387 |
378 } // namespace history | 388 } // namespace history |
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