1556bac6e4
This is the first step in providing a QueryClassifier class that is capable of performing context dependent query classification, where the context is essentially the session state.
52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
#pragma once
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/*
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* Copyright (c) 2016 MariaDB Corporation Ab
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
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*
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* Change Date: 2020-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2 or later of the General
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* Public License.
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*/
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#include <maxscale/cppdefs.hh>
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#include <maxscale/router.h>
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#include <maxscale/session.h>
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namespace maxscale
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{
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class QueryClassifier
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{
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QueryClassifier(const QueryClassifier&) = delete;
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QueryClassifier& operator = (const QueryClassifier&) = delete;
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public:
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// NOTE: For the time being these must be exactly like the ones in readwritesplit.hh
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enum
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{
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TARGET_UNDEFINED = 0x00,
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TARGET_MASTER = 0x01,
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TARGET_SLAVE = 0x02,
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TARGET_ALL = 0x08
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};
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QueryClassifier(MXS_SESSION* pSession,
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mxs_target_t use_sql_variables_in);
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void set_load_active(bool active);
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bool load_active() const;
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uint32_t get_route_target(uint8_t command, uint32_t qtype);
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private:
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MXS_SESSION* m_pSession;
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mxs_target_t m_use_sql_variables_in;
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bool m_load_active;
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};
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}
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