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doris/be/src/exec/assert_num_rows_node.cpp

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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.
#include "exec/assert_num_rows_node.h"
#include "gen_cpp/PlanNodes_types.h"
#include "gutil/strings/substitute.h"
#include "runtime/row_batch.h"
#include "runtime/runtime_state.h"
#include "util/runtime_profile.h"
namespace doris {
AssertNumRowsNode::AssertNumRowsNode(ObjectPool* pool, const TPlanNode& tnode,
const DescriptorTbl& descs)
: ExecNode(pool, tnode, descs),
_desired_num_rows(tnode.assert_num_rows_node.desired_num_rows),
_subquery_string(tnode.assert_num_rows_node.subquery_string) {
if (tnode.assert_num_rows_node.__isset.assertion) {
_assertion = tnode.assert_num_rows_node.assertion;
} else {
_assertion = TAssertion::LE; // just compatible for the previous code
}
}
Status AssertNumRowsNode::init(const TPlanNode& tnode, RuntimeState* state) {
RETURN_IF_ERROR(ExecNode::init(tnode, state));
return Status::OK();
}
Status AssertNumRowsNode::prepare(RuntimeState* state) {
RETURN_IF_ERROR(ExecNode::prepare(state));
return Status::OK();
}
Status AssertNumRowsNode::open(RuntimeState* state) {
SCOPED_TIMER(_runtime_profile->total_time_counter());
RETURN_IF_ERROR(ExecNode::open(state));
SCOPED_CONSUME_MEM_TRACKER(mem_tracker());
// ISSUE-3435
RETURN_IF_ERROR(child(0)->open(state));
return Status::OK();
}
Status AssertNumRowsNode::get_next(RuntimeState* state, RowBatch* output_batch, bool* eos) {
SCOPED_TIMER(_runtime_profile->total_time_counter());
SCOPED_CONSUME_MEM_TRACKER(mem_tracker());
output_batch->reset();
child(0)->get_next(state, output_batch, eos);
_num_rows_returned += output_batch->num_rows();
bool assert_res = false;
switch (_assertion) {
case TAssertion::EQ:
assert_res = _num_rows_returned == _desired_num_rows;
break;
case TAssertion::NE:
assert_res = _num_rows_returned != _desired_num_rows;
break;
case TAssertion::LT:
assert_res = _num_rows_returned < _desired_num_rows;
break;
case TAssertion::LE:
assert_res = _num_rows_returned <= _desired_num_rows;
break;
case TAssertion::GT:
assert_res = _num_rows_returned > _desired_num_rows;
break;
case TAssertion::GE:
assert_res = _num_rows_returned >= _desired_num_rows;
break;
default:
break;
}
if (!assert_res) {
auto to_string_lambda = [](TAssertion::type assertion) {
std::map<int, const char*>::const_iterator it =
_TAssertion_VALUES_TO_NAMES.find(assertion);
if (it == _TAggregationOp_VALUES_TO_NAMES.end()) {
return "NULL";
} else {
return it->second;
}
};
LOG(INFO) << "Expected " << to_string_lambda(_assertion) << " " << _desired_num_rows
<< " to be returned by expression " << _subquery_string;
return Status::Cancelled("Expected {} {} to be returned by expression {}",
to_string_lambda(_assertion), _desired_num_rows, _subquery_string);
}
COUNTER_SET(_rows_returned_counter, _num_rows_returned);
return Status::OK();
}
Status AssertNumRowsNode::close(RuntimeState* state) {
if (is_closed()) {
return Status::OK();
}
return ExecNode::close(state);
}
} // namespace doris