116 lines
3.4 KiB
C++
116 lines
3.4 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/compound-predicate.h
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// and modified by Doris
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#pragma once
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#include <string>
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#include "common/object_pool.h"
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#include "exprs/predicate.h"
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#include "gen_cpp/Exprs_types.h"
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namespace doris {
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class CompoundPredicate : public Predicate {
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public:
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static void init();
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static BooleanVal compound_not(FunctionContext* context, const BooleanVal&);
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protected:
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friend class Expr;
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CompoundPredicate(const TExprNode& node);
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// virtual Status prepare(RuntimeState* state, const RowDescriptor& desc);
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virtual std::string debug_string() const;
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virtual bool is_vectorized() const { return false; }
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private:
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friend class OpcodeRegistry;
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};
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/// Expr for evaluating and (&&) operators
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class AndPredicate : public CompoundPredicate {
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public:
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virtual Expr* clone(ObjectPool* pool) const override {
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return pool->add(new AndPredicate(*this));
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}
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virtual doris_udf::BooleanVal get_boolean_val(ExprContext* context, TupleRow*) override;
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protected:
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friend class Expr;
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AndPredicate(const TExprNode& node) : CompoundPredicate(node) {}
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virtual std::string debug_string() const override {
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std::stringstream out;
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out << "AndPredicate(" << Expr::debug_string() << ")";
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return out.str();
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}
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private:
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friend class OpcodeRegistry;
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};
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/// Expr for evaluating or (||) operators
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class OrPredicate : public CompoundPredicate {
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public:
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virtual Expr* clone(ObjectPool* pool) const override {
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return pool->add(new OrPredicate(*this));
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}
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virtual doris_udf::BooleanVal get_boolean_val(ExprContext* context, TupleRow*) override;
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protected:
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friend class Expr;
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OrPredicate(const TExprNode& node) : CompoundPredicate(node) {}
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virtual std::string debug_string() const override {
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std::stringstream out;
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out << "OrPredicate(" << Expr::debug_string() << ")";
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return out.str();
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}
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private:
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friend class OpcodeRegistry;
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};
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/// Expr for evaluating or (||) operators
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class NotPredicate : public CompoundPredicate {
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public:
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virtual Expr* clone(ObjectPool* pool) const override {
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return pool->add(new NotPredicate(*this));
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}
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virtual doris_udf::BooleanVal get_boolean_val(ExprContext* context, TupleRow*) override;
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protected:
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friend class Expr;
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NotPredicate(const TExprNode& node) : CompoundPredicate(node) {}
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virtual std::string debug_string() const override {
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std::stringstream out;
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out << "NotPredicate(" << Expr::debug_string() << ")";
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return out.str();
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}
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private:
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friend class OpcodeRegistry;
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};
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} // namespace doris
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