85 lines
2.7 KiB
C++
85 lines
2.7 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.cc
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// and modified by Doris
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#include "exprs/compound_predicate.h"
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#include <sstream>
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namespace doris {
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CompoundPredicate::CompoundPredicate(const TExprNode& node) : Predicate(node) {}
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void CompoundPredicate::init() {}
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BooleanVal CompoundPredicate::compound_not(FunctionContext* context, const BooleanVal& v) {
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if (v.is_null) {
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return BooleanVal::null();
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}
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return BooleanVal(!v.val);
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}
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BooleanVal AndPredicate::get_boolean_val(ExprContext* context, TupleRow* row) {
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DCHECK_EQ(_children.size(), 2);
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BooleanVal val1 = _children[0]->get_boolean_val(context, row);
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if (!val1.is_null && !val1.val) {
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return BooleanVal(false);
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}
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BooleanVal val2 = _children[1]->get_boolean_val(context, row);
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if (!val2.is_null && !val2.val) {
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return BooleanVal(false);
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}
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if (val1.is_null || val2.is_null) {
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return BooleanVal::null();
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}
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return BooleanVal(true);
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}
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BooleanVal OrPredicate::get_boolean_val(ExprContext* context, TupleRow* row) {
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DCHECK_EQ(_children.size(), 2);
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BooleanVal val1 = _children[0]->get_boolean_val(context, row);
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if (!val1.is_null && val1.val) {
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return BooleanVal(true);
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}
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BooleanVal val2 = _children[1]->get_boolean_val(context, row);
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if (!val2.is_null && val2.val) {
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return BooleanVal(true);
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}
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if (val1.is_null || val2.is_null) {
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return BooleanVal::null();
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}
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return BooleanVal(false);
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}
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BooleanVal NotPredicate::get_boolean_val(ExprContext* context, TupleRow* row) {
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BooleanVal val = _children[0]->get_boolean_val(context, row);
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if (val.is_null) {
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return BooleanVal::null();
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}
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return BooleanVal(!val.val);
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}
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std::string CompoundPredicate::debug_string() const {
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std::stringstream out;
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out << "CompoundPredicate(" << Expr::debug_string() << ")";
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return out.str();
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}
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} // namespace doris
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