chrome/browser/predictors/glowplug_key_value_table.cc

// Copyright 2017 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.

#include "chrome/browser/predictors/glowplug_key_value_table.h"

#include "third_party/protobuf/src/google/protobuf/message_lite.h"

namespace predictors {

namespace internal {

void BindDataToStatement(const std::string& key,
                         const google::protobuf::MessageLite& data,
                         sql::Statement* statement) {
  int size = data.ByteSize();
  DCHECK_GT(size, 0);
  std::vector<char> proto_buffer(size);
  data.SerializeToArray(&proto_buffer[0], size);

  statement->BindString(0, key);
  statement->BindBlob(1, &proto_buffer[0], size);
}

std::string GetSelectAllSql(const std::string& table_name) {
  return base::StringPrintf("SELECT * FROM %s", table_name.c_str());
}
std::string GetReplaceSql(const std::string& table_name) {
  return base::StringPrintf("REPLACE INTO %s (key, proto) VALUES (?,?)",
                            table_name.c_str());
}
std::string GetDeleteSql(const std::string& table_name) {
  return base::StringPrintf("DELETE FROM %s WHERE key=?", table_name.c_str());
}
std::string GetDeleteAllSql(const std::string& table_name) {
  return base::StringPrintf("DELETE FROM %s", table_name.c_str());
}

}  // namespace internal
}  // namespace predictors