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doris/be/src/vec/exprs/varray_literal.cpp

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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 "vec/exprs/varray_literal.h"
namespace doris::vectorized {
Status VArrayLiteral::prepare(RuntimeState* state, const RowDescriptor& row_desc,
VExprContext* context) {
DCHECK_EQ(type().children.size(), 1) << "array children type not 1";
RETURN_IF_ERROR_OR_PREPARED(VExpr::prepare(state, row_desc, context));
bool is_null = (_node_type == TExprNodeType::NULL_LITERAL);
Field array = is_null ? Field() : Array();
for (const auto child : _children) {
Field item;
ColumnPtrWrapper* const_col_wrapper = nullptr;
RETURN_IF_ERROR(child->get_const_col(context, &const_col_wrapper));
const_col_wrapper->column_ptr->get(0, item);
array.get<Array>().push_back(item);
}
_column_ptr = _data_type->create_column_const(1, array);
return Status::OK();
}
} // namespace doris::vectorized