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doris/be/src/vec/exec/scan/vmeta_scan_node.cpp

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// 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 "vmeta_scan_node.h"
#include <memory>
#include "common/object_pool.h"
#include "vmeta_scanner.h"
namespace doris {
class DescriptorTbl;
class RuntimeState;
namespace vectorized {
class VScanner;
} // namespace vectorized
} // namespace doris
namespace doris::vectorized {
VMetaScanNode::VMetaScanNode(ObjectPool* pool, const TPlanNode& tnode, const DescriptorTbl& descs)
: VScanNode(pool, tnode, descs),
_tuple_id(tnode.meta_scan_node.tuple_id),
_scan_params(tnode.meta_scan_node) {
_output_tuple_id = _tuple_id;
if (_scan_params.__isset.current_user_ident) {
_user_identity = _scan_params.current_user_ident;
}
}
Status VMetaScanNode::init(const TPlanNode& tnode, RuntimeState* state) {
RETURN_IF_ERROR(VScanNode::init(tnode, state));
return Status::OK();
}
Status VMetaScanNode::prepare(RuntimeState* state) {
RETURN_IF_ERROR(VScanNode::prepare(state));
return Status::OK();
}
void VMetaScanNode::set_scan_ranges(const std::vector<TScanRangeParams>& scan_ranges) {
_scan_ranges = scan_ranges;
}
Status VMetaScanNode::_init_profile() {
RETURN_IF_ERROR(VScanNode::_init_profile());
return Status::OK();
}
Status VMetaScanNode::_init_scanners(std::list<VScannerSPtr>* scanners) {
if (_eos == true) {
return Status::OK();
}
for (auto& scan_range : _scan_ranges) {
std::shared_ptr<VMetaScanner> scanner =
VMetaScanner::create_shared(_state, this, _tuple_id, scan_range, _limit_per_scanner,
runtime_profile(), _user_identity);
RETURN_IF_ERROR(scanner->prepare(_state, _conjuncts));
scanners->push_back(scanner);
}
return Status::OK();
}
Status VMetaScanNode::_process_conjuncts() {
return Status::OK();
}
} // namespace doris::vectorized