869fdff2f0
According to the requirements of the APLv2, the referenced code needs to be marked with the path of the source code.
58 lines
1.8 KiB
C++
58 lines
1.8 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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// This file is copied from
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// https://github.com/apache/impala/blob/branch-2.9.0/be/src/exprs/tuple-is-null-predicate.h
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// and modified by Doris
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#ifndef DORIS_BE_SRC_QUERY_EXPRS_TUPLE_IS_NULL_PREDICATE_H
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#define DORIS_BE_SRC_QUERY_EXPRS_TUPLE_IS_NULL_PREDICATE_H
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#include "common/object_pool.h"
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#include "exprs/predicate.h"
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namespace doris {
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class TExprNode;
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class TupleIsNullPredicate : public Predicate {
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public:
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virtual Expr* clone(ObjectPool* pool) const override {
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return pool->add(new TupleIsNullPredicate(*this));
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}
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bool is_constant() const override { return false; }
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protected:
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friend class Expr;
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TupleIsNullPredicate(const TExprNode& node);
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virtual Status prepare(RuntimeState* state, const RowDescriptor& row_desc,
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ExprContext* ctx) override;
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virtual BooleanVal get_boolean_val(ExprContext* ctx, TupleRow* row) override;
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virtual std::string debug_string() const override;
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private:
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std::vector<TupleId> _tuple_ids;
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std::vector<int32_t> _tuple_idxs;
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};
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} // namespace doris
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#endif
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