| // 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. |
| |
| |
| #ifndef IMPALA_EXPRS_COMPOUND_PREDICATES_H_ |
| #define IMPALA_EXPRS_COMPOUND_PREDICATES_H_ |
| |
| #include <string> |
| #include "exprs/predicate.h" |
| #include "gen-cpp/Exprs_types.h" |
| |
| namespace impala { |
| |
| using impala_udf::FunctionContext; |
| using impala_udf::BooleanVal; |
| |
| class CompoundPredicate: public Predicate { |
| public: |
| static BooleanVal Not(FunctionContext* context, const BooleanVal&); |
| |
| protected: |
| CompoundPredicate(const TExprNode& node) : Predicate(node) { } |
| |
| Status CodegenComputeFn(bool and_fn, LlvmCodeGen* codegen, llvm::Function** fn); |
| }; |
| |
| /// Expr for evaluating and (&&) operators |
| class AndPredicate: public CompoundPredicate { |
| public: |
| virtual BooleanVal GetBooleanValInterpreted( |
| ScalarExprEvaluator*, const TupleRow*) const; |
| |
| virtual Status GetCodegendComputeFnImpl(LlvmCodeGen* codegen, llvm::Function** fn) { |
| return CompoundPredicate::CodegenComputeFn(true, codegen, fn); |
| } |
| |
| protected: |
| friend class ScalarExpr; |
| AndPredicate(const TExprNode& node) : CompoundPredicate(node) { } |
| |
| virtual std::string DebugString() const; |
| |
| private: |
| friend class OpcodeRegistry; |
| }; |
| |
| /// Expr for evaluating or (||) operators |
| class OrPredicate: public CompoundPredicate { |
| public: |
| virtual BooleanVal GetBooleanValInterpreted( |
| ScalarExprEvaluator*, const TupleRow*) const; |
| |
| virtual Status GetCodegendComputeFnImpl(LlvmCodeGen* codegen, llvm::Function** fn) { |
| return CompoundPredicate::CodegenComputeFn(false, codegen, fn); |
| } |
| |
| protected: |
| friend class ScalarExpr; |
| OrPredicate(const TExprNode& node) : CompoundPredicate(node) { } |
| |
| virtual std::string DebugString() const; |
| |
| private: |
| friend class OpcodeRegistry; |
| }; |
| |
| } |
| |
| #endif |