[Sync] Move //sync to //components/sync.

sync/syncable/syncable_columns.h

-// 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 SYNC_SYNCABLE_SYNCABLE_COLUMNS_H_
-#define SYNC_SYNCABLE_SYNCABLE_COLUMNS_H_
-
-#include "base/macros.h"
-#include "sync/syncable/entry_kernel.h"
-#include "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  // SYNC_SYNCABLE_SYNCABLE_COLUMNS_H_