2dc6718d47
Passing the target table and create to the prepare_table function allows the converter to update the internal variables.
79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/*
|
|
* Copyright (c) 2018 MariaDB Corporation Ab
|
|
*
|
|
* Use of this software is governed by the Business Source License included
|
|
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
|
|
*
|
|
* Change Date: 2022-01-01
|
|
*
|
|
* On the date above, in accordance with the Business Source License, use
|
|
* of this software will be governed by version 2 or later of the General
|
|
* Public License.
|
|
*/
|
|
#pragma once
|
|
|
|
#include "avrorouter.hh"
|
|
#include "rpl.hh"
|
|
|
|
#include <avro.h>
|
|
|
|
struct AvroTable
|
|
{
|
|
AvroTable(avro_file_writer_t file, avro_value_iface_t* iface, avro_schema_t schema)
|
|
: avro_file(file)
|
|
, avro_writer_iface(iface)
|
|
, avro_schema(schema)
|
|
{
|
|
}
|
|
|
|
~AvroTable()
|
|
{
|
|
avro_file_writer_flush(avro_file);
|
|
avro_file_writer_close(avro_file);
|
|
avro_value_iface_decref(avro_writer_iface);
|
|
avro_schema_decref(avro_schema);
|
|
}
|
|
|
|
avro_file_writer_t avro_file; /*< Current Avro data file */
|
|
avro_value_iface_t* avro_writer_iface; /*< Avro C API writer interface */
|
|
avro_schema_t avro_schema; /*< Native Avro schema of the table */
|
|
};
|
|
|
|
typedef std::shared_ptr<AvroTable> SAvroTable;
|
|
typedef std::unordered_map<std::string, SAvroTable> AvroTables;
|
|
|
|
// Converts replicated events into CDC events
|
|
class AvroConverter : public RowEventHandler
|
|
{
|
|
public:
|
|
|
|
AvroConverter(std::string avrodir, uint64_t block_size, mxs_avro_codec_type codec);
|
|
bool open_table(const STableMapEvent& map, const STableCreateEvent& create);
|
|
bool prepare_table(const STableMapEvent& map, const STableCreateEvent& create);
|
|
void flush_tables();
|
|
void prepare_row(const gtid_pos_t& gtid, const REP_HEADER& hdr, int event_type);
|
|
bool commit(const gtid_pos_t& gtid);
|
|
void column(int i, int32_t value);
|
|
void column(int i, int64_t value);
|
|
void column(int i, float value);
|
|
void column(int i, double value);
|
|
void column(int i, std::string value);
|
|
void column(int i, uint8_t* value, int len);
|
|
void column(int i);
|
|
|
|
private:
|
|
avro_value_iface_t* m_writer_iface;
|
|
avro_file_writer_t* m_avro_file;
|
|
avro_value_t m_record;
|
|
avro_value_t m_union_value;
|
|
avro_value_t m_field;
|
|
std::string m_avrodir;
|
|
AvroTables m_open_tables;
|
|
uint64_t m_block_size;
|
|
mxs_avro_codec_type m_codec;
|
|
STableMapEvent m_map;
|
|
STableCreateEvent m_create;
|
|
|
|
void set_active(int i);
|
|
};
|