diff --git a/be/src/vec/core/column_with_type_and_name.cpp b/be/src/vec/core/column_with_type_and_name.cpp index e93946804ffa60..39bcc24ccdd8fa 100644 --- a/be/src/vec/core/column_with_type_and_name.cpp +++ b/be/src/vec/core/column_with_type_and_name.cpp @@ -95,8 +95,9 @@ ColumnWithTypeAndName ColumnWithTypeAndName::get_nested(bool replace_null_data_t auto nested_type = assert_cast(type.get())->get_nested_type(); ColumnPtr nested_column = column; if (column) { - nested_column = nested_column->convert_to_full_column_if_const(); - const auto* source_column = assert_cast(nested_column.get()); + // A column_ptr is needed here to ensure that the column in convert_to_full_column_if_const is not released. + auto column_ptr = nested_column->convert_to_full_column_if_const(); + const auto* source_column = assert_cast(column_ptr.get()); nested_column = source_column->get_nested_column_ptr(); if (replace_null_data_to_default) { diff --git a/be/test/vec/core/column_with_type_and_name_test.cpp b/be/test/vec/core/column_with_type_and_name_test.cpp new file mode 100644 index 00000000000000..1cdda959a82fb9 --- /dev/null +++ b/be/test/vec/core/column_with_type_and_name_test.cpp @@ -0,0 +1,40 @@ +// 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 "vec/core/column_with_type_and_name.h" + +#include + +#include "testutil/column_helper.h" +#include "vec/core/types.h" +#include "vec/data_types/data_type_nullable.h" +#include "vec/data_types/data_type_number.h" + +namespace doris::vectorized { + +TEST(ColumnWithTypeAndNameTest, get_nested_test) { + ColumnWithTypeAndName column_with_type_and_name; + auto null_column = ColumnNullable::create(ColumnHelper::create_column({1}), + ColumnHelper::create_column({true})); + column_with_type_and_name.column = ColumnConst::create(null_column, 3); + column_with_type_and_name.type = + std::make_shared(std::make_shared()); + column_with_type_and_name.name = "column_with_type_and_name"; + column_with_type_and_name.get_nested(true); +} + +} // namespace doris::vectorized