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| 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 #ifndef COMPONENTS_SYNC_SYNCABLE_SYNCABLE_COLUMNS_H_ |
| 6 #define COMPONENTS_SYNC_SYNCABLE_SYNCABLE_COLUMNS_H_ |
| 7 |
| 8 #include "base/macros.h" |
| 9 #include "components/sync/syncable/entry_kernel.h" |
| 10 #include "components/sync/syncable/syncable_changes_version.h" |
| 11 |
| 12 namespace syncer { |
| 13 namespace syncable { |
| 14 |
| 15 struct ColumnSpec { |
| 16 const char* name; |
| 17 const char* spec; |
| 18 }; |
| 19 |
| 20 // Must be in exact same order as fields in entry_kernel.h. |
| 21 static const ColumnSpec g_metas_columns[] = { |
| 22 ////////////////////////////////////// |
| 23 // int64s |
| 24 {"metahandle", "bigint primary key ON CONFLICT FAIL"}, |
| 25 {"base_version", "bigint default " CHANGES_VERSION_STRING}, |
| 26 {"server_version", "bigint default 0"}, |
| 27 // This is the item ID that we store for the embedding application. |
| 28 {"local_external_id", "bigint default 0"}, |
| 29 {"transaction_version", "bigint default 0"}, |
| 30 // These timestamps are kept in the same format as that of the |
| 31 // protocol (ms since Unix epoch). |
| 32 {"mtime", "bigint default 0"}, |
| 33 {"server_mtime", "bigint default 0"}, |
| 34 {"ctime", "bigint default 0"}, |
| 35 {"server_ctime", "bigint default 0"}, |
| 36 ////////////////////////////////////// |
| 37 // Ids |
| 38 {"id", "varchar(255) default \"r\""}, |
| 39 {"parent_id", "varchar(255) default \"r\""}, |
| 40 {"server_parent_id", "varchar(255) default \"r\""}, |
| 41 ////////////////////////////////////// |
| 42 // bits |
| 43 {"is_unsynced", "bit default 0"}, |
| 44 {"is_unapplied_update", "bit default 0"}, |
| 45 {"is_del", "bit default 0"}, |
| 46 {"is_dir", "bit default 0"}, |
| 47 {"server_is_dir", "bit default 0"}, |
| 48 {"server_is_del", "bit default 0"}, |
| 49 ////////////////////////////////////// |
| 50 // Strings |
| 51 {"non_unique_name", "varchar"}, |
| 52 {"server_non_unique_name", "varchar(255)"}, |
| 53 {"unique_server_tag", "varchar"}, |
| 54 {"unique_client_tag", "varchar"}, |
| 55 {"unique_bookmark_tag", "varchar"}, |
| 56 ////////////////////////////////////// |
| 57 // Blobs (serialized protos). |
| 58 {"specifics", "blob"}, |
| 59 {"server_specifics", "blob"}, |
| 60 {"base_server_specifics", "blob"}, |
| 61 ////////////////////////////////////// |
| 62 // Blobs (positions). |
| 63 {"server_unique_position", "blob"}, |
| 64 {"unique_position", "blob"}, |
| 65 ////////////////////////////////////// |
| 66 // AttachmentMetadata is a proto that contains all the metadata associated |
| 67 // with an entry's attachments. Each entry has only one AttachmentMetadata |
| 68 // proto. We store a single proto per entry (as opposed to one for each |
| 69 // attachment) because it simplifies the database schema and implementation |
| 70 // of |
| 71 // DirectoryBackingStore. |
| 72 {"attachment_metadata", "blob"}, |
| 73 {"server_attachment_metadata", "blob"}}; |
| 74 |
| 75 // At least enforce that there are equal number of column names and fields. |
| 76 static_assert(arraysize(g_metas_columns) >= FIELD_COUNT, "missing column name"); |
| 77 static_assert(arraysize(g_metas_columns) <= FIELD_COUNT, "extra column names"); |
| 78 |
| 79 static inline const char* ColumnName(int field) { |
| 80 DCHECK(field < BEGIN_TEMPS); |
| 81 return g_metas_columns[field].name; |
| 82 } |
| 83 |
| 84 } // namespace syncable |
| 85 } // namespace syncer |
| 86 |
| 87 #endif // COMPONENTS_SYNC_SYNCABLE_SYNCABLE_COLUMNS_H_ |
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