90 lines
3.2 KiB
C++
90 lines
3.2 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.
|
|
|
|
#ifndef BDG_PALO_BE_SRC_QUERY_EXEC_ES_SCAN_NODE_H
|
|
#define BDG_PALO_BE_SRC_QUERY_EXEC_ES_SCAN_NODE_H
|
|
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
#include "runtime/descriptors.h"
|
|
#include "runtime/tuple.h"
|
|
#include "exec/scan_node.h"
|
|
#include "exprs/slot_ref.h"
|
|
#include "runtime/exec_env.h"
|
|
#include "gen_cpp/TExtDataSourceService.h"
|
|
#include "gen_cpp/PaloExternalDataSourceService_types.h"
|
|
|
|
namespace doris {
|
|
|
|
class TupleDescriptor;
|
|
class RuntimeState;
|
|
class Status;
|
|
|
|
class EsScanNode : public ScanNode {
|
|
public:
|
|
EsScanNode(ObjectPool* pool, const TPlanNode& tnode, const DescriptorTbl& descs);
|
|
~EsScanNode();
|
|
|
|
virtual Status prepare(RuntimeState* state) override;
|
|
virtual Status open(RuntimeState* state) override;
|
|
virtual Status get_next(RuntimeState* state, RowBatch* row_batch, bool* eos) override;
|
|
virtual Status close(RuntimeState* state) override;
|
|
virtual Status set_scan_ranges(const std::vector<TScanRangeParams>& scan_ranges) override;
|
|
|
|
protected:
|
|
// Write debug string of this into out.
|
|
virtual void debug_string(int indentation_level, std::stringstream* out) const;
|
|
|
|
private:
|
|
Status open_es(TNetworkAddress& address, TExtOpenResult& result, TExtOpenParams& params);
|
|
Status materialize_row(MemPool* tuple_pool, Tuple* tuple,
|
|
const vector<TExtColumnData>& cols, int next_row_idx,
|
|
vector<int>& cols_next_val_idx);
|
|
Status get_next_from_es(TExtGetNextResult& result);
|
|
|
|
bool get_disjuncts(ExprContext* context, Expr* conjunct, vector<TExtPredicate>& disjuncts);
|
|
bool to_ext_literal(ExprContext* context, Expr* expr, TExtLiteral* literal);
|
|
|
|
bool is_match_func(Expr* conjunct);
|
|
|
|
SlotDescriptor* get_slot_desc(SlotRef* slotRef);
|
|
|
|
// check if open result meets condition
|
|
// 1. check if left conjuncts contain "match" function, since match function could only be executed on es
|
|
bool check_left_conjuncts(Expr* conjunct);
|
|
|
|
private:
|
|
TupleId _tuple_id;
|
|
std::map<std::string, std::string> _properties;
|
|
const TupleDescriptor* _tuple_desc;
|
|
ExecEnv* _env;
|
|
std::vector<TEsScanRange> _scan_ranges;
|
|
|
|
// scan range's iterator, used in get_next()
|
|
int _scan_range_idx;
|
|
|
|
// store every scan range's netaddress/handle/offset
|
|
std::vector<TNetworkAddress> _addresses;
|
|
std::vector<std::string> _scan_handles;
|
|
std::vector<int> _offsets;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|