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// 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 "contrib/libs/apache/arrow_next/cpp/src/arrow/util/union_util.h"
#include <cstdint>
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/array/data.h"
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/util/checked_cast.h"
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/util/logging.h"
namespace arrow20::union_util {
int64_t LogicalSparseUnionNullCount(const ArraySpan& span) {
const auto* sparse_union_type =
internal::checked_cast<const SparseUnionType*>(span.type);
DCHECK_LE(span.child_data.size(), 128);
const int8_t* types = span.GetValues<int8_t>(1); // NOLINT
int64_t null_count = 0;
for (int64_t i = 0; i < span.length; i++) {
const int8_t child_id = sparse_union_type->child_ids()[types[span.offset + i]];
null_count += span.child_data[child_id].IsNull(i);
}
return null_count;
}
int64_t LogicalDenseUnionNullCount(const ArraySpan& span) {
const auto* dense_union_type = internal::checked_cast<const DenseUnionType*>(span.type);
DCHECK_LE(span.child_data.size(), 128);
const int8_t* types = span.GetValues<int8_t>(1); // NOLINT
const int32_t* offsets = span.GetValues<int32_t>(2); // NOLINT
int64_t null_count = 0;
for (int64_t i = 0; i < span.length; i++) {
const int8_t child_id = dense_union_type->child_ids()[types[span.offset + i]];
const int32_t offset = offsets[span.offset + i];
null_count += span.child_data[child_id].IsNull(offset);
}
return null_count;
}
} // namespace arrow20::union_util
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