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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/visitsegment_database.h" | 5 #include "chrome/browser/history/visitsegment_database.h" |
| 6 | 6 |
| 7 #include <math.h> | 7 #include <math.h> |
| 8 | 8 |
| 9 #include <algorithm> | 9 #include <algorithm> |
| 10 #include <string> | 10 #include <string> |
| 11 #include <vector> | 11 #include <vector> |
| 12 | 12 |
| 13 #include "base/logging.h" | 13 #include "base/logging.h" |
| 14 #include "base/stl_util.h" | 14 #include "base/stl_util.h" |
| 15 #include "base/strings/string_util.h" | 15 #include "base/strings/string_util.h" |
| 16 #include "base/strings/utf_string_conversions.h" | 16 #include "base/strings/utf_string_conversions.h" |
| 17 #include "chrome/browser/history/page_usage_data.h" | 17 #include "components/history/core/browser/page_usage_data.h" |
| 18 #include "sql/statement.h" | 18 #include "sql/statement.h" |
| 19 #include "sql/transaction.h" | 19 #include "sql/transaction.h" |
| 20 | 20 |
| 21 // The following tables are used to store url segment information. | 21 // The following tables are used to store url segment information. |
| 22 // | 22 // |
| 23 // segments | 23 // segments |
| 24 // id Primary key | 24 // id Primary key |
| 25 // name A unique string to represent that segment. (URL derived) | 25 // name A unique string to represent that segment. (URL derived) |
| 26 // url_id ID of the url currently used to represent this segment. | 26 // url_id ID of the url currently used to represent this segment. |
| 27 // | 27 // |
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| 318 "name VARCHAR," | 318 "name VARCHAR," |
| 319 "url_id INTEGER NON NULL)") && | 319 "url_id INTEGER NON NULL)") && |
| 320 GetDB().Execute("INSERT INTO segments_tmp SELECT " | 320 GetDB().Execute("INSERT INTO segments_tmp SELECT " |
| 321 "id, name, url_id FROM segments") && | 321 "id, name, url_id FROM segments") && |
| 322 GetDB().Execute("DROP TABLE segments") && | 322 GetDB().Execute("DROP TABLE segments") && |
| 323 GetDB().Execute("ALTER TABLE segments_tmp RENAME TO segments") && | 323 GetDB().Execute("ALTER TABLE segments_tmp RENAME TO segments") && |
| 324 transaction.Commit(); | 324 transaction.Commit(); |
| 325 } | 325 } |
| 326 | 326 |
| 327 } // namespace history | 327 } // namespace history |
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