sql_utils/base/status.h

/*
 * Copyright 2023 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef THIRD_PARTY_PY_BIGQUERY_ML_UTILS_SQL_UTILS_BASE_STATUS_H_
#define THIRD_PARTY_PY_BIGQUERY_ML_UTILS_SQL_UTILS_BASE_STATUS_H_

#include "absl/status/status.h"
#include "absl/status/statusor.h"

// This is better than SQL_CHECK((val).ok()) because the embedded
// error string gets printed by the SQL_CHECK_EQ.
#define SQL_CHECK_OK(val) \
  SQL_CHECK_EQ(::absl::OkStatus(), ::bigquery_ml_utils::status_internal::AsStatus((val)))
#define SQL_DCHECK_OK(val) \
  SQL_DCHECK_EQ(::absl::OkStatus(), ::bigquery_ml_utils::status_internal::AsStatus((val)))
#define SQL_SQL_CHECK_OK(val) \
  SQL_DCHECK_EQ(::absl::OkStatus(), ::bigquery_ml_utils::status_internal::AsStatus((val)))

namespace bigquery_ml_utils::status_internal {

// Returns a Status or StatusOr as a Status.
// Only for use in template or macro code that must work with both Status and
// StatusOr.
template <typename T>
inline const absl::Status& AsStatus(const absl::StatusOr<T>& status_or) {
  return status_or.status();
}
inline const absl::Status& AsStatus(const absl::Status& status) {
  return status;
}

}  // namespace bigquery_ml_utils::status_internal

#endif  // THIRD_PARTY_PY_BIGQUERY_ML_UTILS_SQL_UTILS_BASE_STATUS_H_