64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
// 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.
|
|
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <string>
|
|
|
|
#include "common/object_pool.h"
|
|
#include "common/status.h"
|
|
#include "vec/exprs/vexpr.h"
|
|
|
|
namespace doris {
|
|
class RowDescriptor;
|
|
class RuntimeState;
|
|
class TExprNode;
|
|
namespace vectorized {
|
|
class Block;
|
|
class VExprContext;
|
|
} // namespace vectorized
|
|
} // namespace doris
|
|
|
|
namespace doris::vectorized {
|
|
class VTupleIsNullPredicate final : public VExpr {
|
|
ENABLE_FACTORY_CREATOR(VTupleIsNullPredicate);
|
|
|
|
public:
|
|
explicit VTupleIsNullPredicate(const TExprNode& node);
|
|
~VTupleIsNullPredicate() override = default;
|
|
Status prepare(RuntimeState* state, const RowDescriptor& desc, VExprContext* context) override;
|
|
Status open(RuntimeState* state, VExprContext* context,
|
|
FunctionContext::FunctionStateScope scope) override;
|
|
Status execute(VExprContext* context, Block* block, int* result_column_id) override;
|
|
|
|
[[nodiscard]] bool is_constant() const override { return false; }
|
|
|
|
[[nodiscard]] const std::string& expr_name() const override;
|
|
|
|
std::string debug_string() const override;
|
|
|
|
private:
|
|
std::string _expr_name;
|
|
bool _is_left_null_side;
|
|
uint32_t _column_to_check;
|
|
|
|
static const constexpr char* function_name = "tuple_is_null";
|
|
};
|
|
} // namespace doris::vectorized
|