869fdff2f0
According to the requirements of the APLv2, the referenced code needs to be marked with the path of the source code.
71 lines
2.4 KiB
C++
71 lines
2.4 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.
|
|
// This file is copied from
|
|
// https://github.com/apache/impala/blob/branch-2.9.0/be/src/exprs/tuple-is-null-predicate.cc
|
|
// and modified by Doris
|
|
|
|
#include "exprs/tuple_is_null_predicate.h"
|
|
|
|
#include <sstream>
|
|
|
|
#include "gen_cpp/Exprs_types.h"
|
|
|
|
namespace doris {
|
|
|
|
TupleIsNullPredicate::TupleIsNullPredicate(const TExprNode& node)
|
|
: Predicate(node),
|
|
_tuple_ids(node.tuple_is_null_pred.tuple_ids.begin(),
|
|
node.tuple_is_null_pred.tuple_ids.end()) {}
|
|
|
|
Status TupleIsNullPredicate::prepare(RuntimeState* state, const RowDescriptor& row_desc,
|
|
ExprContext* ctx) {
|
|
RETURN_IF_ERROR(Expr::prepare(state, row_desc, ctx));
|
|
DCHECK_EQ(0, _children.size());
|
|
|
|
// Resolve tuple ids to tuple indexes.
|
|
for (int i = 0; i < _tuple_ids.size(); ++i) {
|
|
int32_t tuple_idx = row_desc.get_tuple_idx(_tuple_ids[i]);
|
|
if (row_desc.tuple_is_nullable(tuple_idx)) {
|
|
_tuple_idxs.push_back(tuple_idx);
|
|
}
|
|
}
|
|
|
|
return Status::OK();
|
|
}
|
|
|
|
BooleanVal TupleIsNullPredicate::get_boolean_val(ExprContext* ctx, TupleRow* row) {
|
|
int count = 0;
|
|
for (int i = 0; i < _tuple_idxs.size(); ++i) {
|
|
count += row->get_tuple(_tuple_idxs[i]) == nullptr;
|
|
}
|
|
return BooleanVal(!_tuple_idxs.empty() && count == _tuple_idxs.size());
|
|
}
|
|
|
|
std::string TupleIsNullPredicate::debug_string() const {
|
|
std::stringstream out;
|
|
out << "TupleIsNullPredicate(tupleids=[";
|
|
|
|
for (int i = 0; i < _tuple_ids.size(); ++i) {
|
|
out << (i == 0 ? "" : " ") << _tuple_ids[i];
|
|
}
|
|
|
|
out << "])";
|
|
return out.str();
|
|
}
|
|
|
|
} // namespace doris
|