72 lines
2.9 KiB
C++
72 lines
2.9 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "vec/functions/array/function_array_utils.h"
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namespace doris::vectorized {
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bool extract_column_array_info(const IColumn& src, ColumnArrayExecutionData& data) {
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const IColumn* array_col = &src;
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// extract array nullable info
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if (src.is_nullable()) {
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const auto& null_col = reinterpret_cast<const ColumnNullable&>(src);
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data.array_nullmap_data = null_col.get_null_map_data().data();
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array_col = null_col.get_nested_column_ptr().get();
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}
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// check and get array column
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data.array_col = check_and_get_column<ColumnArray>(array_col);
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if (!data.array_col) {
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return false;
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}
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// extract array offsets and nested column
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data.offsets_ptr = &data.array_col->get_offsets();
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data.nested_col = &data.array_col->get_data();
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// extract nested column is nullable
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if (data.nested_col->is_nullable()) {
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const auto& nested_null_col = reinterpret_cast<const ColumnNullable&>(*data.nested_col);
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data.nested_nullmap_data = nested_null_col.get_null_map_data().data();
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data.nested_col = nested_null_col.get_nested_column_ptr().get();
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}
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return true;
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}
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ColumnArrayMutableData create_mutable_data(const IColumn* nested_col, bool is_nullable) {
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ColumnArrayMutableData dst;
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if (is_nullable) {
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dst.array_nested_col =
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ColumnNullable::create(nested_col->clone_empty(), ColumnUInt8::create());
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auto* nullable_col = reinterpret_cast<ColumnNullable*>(dst.array_nested_col.get());
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dst.nested_nullmap_data = &nullable_col->get_null_map_data();
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dst.nested_col = nullable_col->get_nested_column_ptr().get();
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} else {
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dst.array_nested_col = nested_col->clone_empty();
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dst.nested_col = dst.array_nested_col.get();
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}
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dst.offsets_col = ColumnArray::ColumnOffsets::create();
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dst.offsets_ptr =
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&reinterpret_cast<ColumnArray::ColumnOffsets*>(dst.offsets_col.get())->get_data();
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return dst;
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}
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MutableColumnPtr assemble_column_array(ColumnArrayMutableData& data) {
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return ColumnArray::create(std::move(data.array_nested_col), std::move(data.offsets_col));
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}
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} // namespace doris::vectorized
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