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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SYNC_SYNCABLE_SYNCABLE_COLUMNS_H_
#define COMPONENTS_SYNC_SYNCABLE_SYNCABLE_COLUMNS_H_
#include "base/macros.h"
#include "components/sync/syncable/entry_kernel.h"
#include "components/sync/syncable/syncable_changes_version.h"
namespace syncer {
namespace syncable {
struct ColumnSpec {
const char* name;
const char* spec;
};
// Must be in exact same order as fields in entry_kernel.h.
static const ColumnSpec g_metas_columns[] = {
//////////////////////////////////////
// int64s
{"metahandle", "bigint primary key ON CONFLICT FAIL"},
{"base_version", "bigint default " CHANGES_VERSION_STRING},
{"server_version", "bigint default 0"},
// This is the item ID that we store for the embedding application.
{"local_external_id", "bigint default 0"},
{"transaction_version", "bigint default 0"},
// These timestamps are kept in the same format as that of the
// protocol (ms since Unix epoch).
{"mtime", "bigint default 0"},
{"server_mtime", "bigint default 0"},
{"ctime", "bigint default 0"},
{"server_ctime", "bigint default 0"},
//////////////////////////////////////
// Ids
{"id", "varchar(255) default \"r\""},
{"parent_id", "varchar(255) default \"r\""},
{"server_parent_id", "varchar(255) default \"r\""},
//////////////////////////////////////
// bits
{"is_unsynced", "bit default 0"},
{"is_unapplied_update", "bit default 0"},
{"is_del", "bit default 0"},
{"is_dir", "bit default 0"},
{"server_is_dir", "bit default 0"},
{"server_is_del", "bit default 0"},
//////////////////////////////////////
// Strings
{"non_unique_name", "varchar"},
{"server_non_unique_name", "varchar(255)"},
{"unique_server_tag", "varchar"},
{"unique_client_tag", "varchar"},
{"unique_bookmark_tag", "varchar"},
//////////////////////////////////////
// Blobs (serialized protos).
{"specifics", "blob"},
{"server_specifics", "blob"},
{"base_server_specifics", "blob"},
//////////////////////////////////////
// Blobs (positions).
{"server_unique_position", "blob"},
{"unique_position", "blob"},
//////////////////////////////////////
// AttachmentMetadata is a proto that contains all the metadata associated
// with an entry's attachments. Each entry has only one AttachmentMetadata
// proto. We store a single proto per entry (as opposed to one for each
// attachment) because it simplifies the database schema and implementation
// of
// DirectoryBackingStore.
{"attachment_metadata", "blob"},
{"server_attachment_metadata", "blob"}};
// At least enforce that there are equal number of column names and fields.
static_assert(arraysize(g_metas_columns) >= FIELD_COUNT, "missing column name");
static_assert(arraysize(g_metas_columns) <= FIELD_COUNT, "extra column names");
static inline const char* ColumnName(int field) {
DCHECK(field < BEGIN_TEMPS);
return g_metas_columns[field].name;
}
} // namespace syncable
} // namespace syncer
#endif // COMPONENTS_SYNC_SYNCABLE_SYNCABLE_COLUMNS_H_
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