74 lines
2.3 KiB
C++
74 lines
2.3 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.
|
|
|
|
#pragma once
|
|
|
|
#include <memory>
|
|
|
|
#include "exec/scan_node.h"
|
|
#include "runtime/descriptors.h"
|
|
#include "vec/exec/tablefunction/vtable_valued_function_inf.h"
|
|
|
|
namespace doris {
|
|
|
|
class TextConverter;
|
|
class Tuple;
|
|
class TupleDescriptor;
|
|
class RuntimeState;
|
|
class MemPool;
|
|
class Status;
|
|
|
|
namespace vectorized {
|
|
|
|
class VTableValuedFunctionScanNode : public ScanNode {
|
|
public:
|
|
VTableValuedFunctionScanNode(ObjectPool* pool, const TPlanNode& tnode,
|
|
const DescriptorTbl& descs);
|
|
~VTableValuedFunctionScanNode() override = default;
|
|
|
|
// initialize _mysql_scanner, and create _text_converter.
|
|
Status prepare(RuntimeState* state) override;
|
|
|
|
// Start MySQL scan using _mysql_scanner.
|
|
Status open(RuntimeState* state) override;
|
|
|
|
// Fill the next row batch by calling next() on the _mysql_scanner,
|
|
// converting text data in MySQL cells to binary data.
|
|
Status get_next(RuntimeState* state, RowBatch* row_batch, bool* eos) override;
|
|
|
|
Status get_next(RuntimeState* state, vectorized::Block* block, bool* eos) override;
|
|
|
|
// Close the _mysql_scanner, and report errors.
|
|
Status close(RuntimeState* state) override;
|
|
|
|
// No use
|
|
Status set_scan_ranges(const std::vector<TScanRangeParams>& scan_ranges) override;
|
|
|
|
protected:
|
|
std::shared_ptr<VTableValuedFunctionInf> _table_func;
|
|
bool _is_init;
|
|
// Tuple id resolved in prepare() to set _tuple_desc;
|
|
TupleId _tuple_id;
|
|
|
|
// Descriptor of tuples generated
|
|
const TupleDescriptor* _tuple_desc;
|
|
};
|
|
|
|
} // namespace vectorized
|
|
|
|
} // namespace doris
|