backend/query/hint_rewriter.cc

//
// Copyright 2020 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.
//

#include "backend/query/hint_rewriter.h"

#include "zetasql/resolved_ast/resolved_ast.h"
#include "absl/status/status.h"
#include "zetasql/base/status_macros.h"

namespace google {
namespace spanner {
namespace emulator {
namespace backend {

absl::Status HintRewriter::VisitResolvedOption(
    const zetasql::ResolvedOption* node) {
  ZETASQL_RETURN_IF_ERROR(CopyVisitResolvedOption(node));
  zetasql::ResolvedOption* option =
      GetUnownedTopOfStack<zetasql::ResolvedOption>();
  if (option->qualifier().empty()) {
    option->set_qualifier("spanner");
  }
  return absl::OkStatus();
}

}  // namespace backend
}  // namespace emulator
}  // namespace spanner
}  // namespace google