8220c31664
Still managed from the outside, but eventually will be managed entirelly by QueryClassifier.
68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
#pragma once
|
|
/*
|
|
* Copyright (c) 2016 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: 2020-01-01
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <maxscale/cppdefs.hh>
|
|
#include <maxscale/router.h>
|
|
#include <maxscale/session.h>
|
|
|
|
namespace maxscale
|
|
{
|
|
|
|
class QueryClassifier
|
|
{
|
|
QueryClassifier(const QueryClassifier&) = delete;
|
|
QueryClassifier& operator = (const QueryClassifier&) = delete;
|
|
|
|
public:
|
|
// NOTE: For the time being these must be exactly like the ones in readwritesplit.hh
|
|
enum
|
|
{
|
|
TARGET_UNDEFINED = 0x00,
|
|
TARGET_MASTER = 0x01,
|
|
TARGET_SLAVE = 0x02,
|
|
TARGET_ALL = 0x08
|
|
};
|
|
|
|
/** States of a LOAD DATA LOCAL INFILE */
|
|
enum load_data_state_t
|
|
{
|
|
LOAD_DATA_INACTIVE, /**< Not active */
|
|
LOAD_DATA_START, /**< Current query starts a load */
|
|
LOAD_DATA_ACTIVE, /**< Load is active */
|
|
LOAD_DATA_END /**< Current query contains an empty packet that ends the load */
|
|
};
|
|
|
|
QueryClassifier(MXS_SESSION* pSession,
|
|
mxs_target_t use_sql_variables_in);
|
|
|
|
load_data_state_t load_data_state() const
|
|
{
|
|
return m_load_data_state;
|
|
}
|
|
|
|
void set_load_data_state(load_data_state_t state)
|
|
{
|
|
m_load_data_state = state;
|
|
}
|
|
|
|
uint32_t get_route_target(uint8_t command, uint32_t qtype);
|
|
|
|
private:
|
|
MXS_SESSION* m_pSession;
|
|
mxs_target_t m_use_sql_variables_in;
|
|
load_data_state_t m_load_data_state;
|
|
};
|
|
|
|
}
|