// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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 "exprs/variant-functions.h"

#include "util/variant-util.h"

namespace impala {

StringVal VariantFunctions::VariantToJson(FunctionContext* ctx,
    const StringVal& metadata, const StringVal& value) {
  if (metadata.is_null || value.is_null) return StringVal::null();
  StringVal result;
  Status status = impala::VariantToJson(
      ctx, metadata.ptr, metadata.len, value.ptr, value.len, &result);
  if (!status.ok()) return StringVal::null();
  return result;
}

}  // namespace impala