102 lines
2.8 KiB
C++
102 lines
2.8 KiB
C++
/*
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Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef TABLE_REPLICATION_GROUP_MEMBERS_H
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#define TABLE_REPLICATION_GROUP_MEMBERS_H
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/**
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@file storage/perfschema/table_replication_group_members.h
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Table replication_group_members (declarations).
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*/
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#include "pfs_column_types.h"
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#include "pfs_engine_table.h"
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#include "mysql_com.h"
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#include "rpl_info.h"
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#include <mysql/plugin_group_replication.h>
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/**
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@addtogroup Performance_schema_tables
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@{
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*/
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/**
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A row in connection nodes table. The fields with string values have an additional
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length field denoted by <field_name>_length.
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*/
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struct st_row_group_members {
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char channel_name[CHANNEL_NAME_LENGTH];
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uint channel_name_length;
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char member_id[UUID_LENGTH];
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uint member_id_length;
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char member_host[HOSTNAME_LENGTH];
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uint member_host_length;
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uint member_port;
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char member_state[NAME_LEN];
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uint member_state_length;
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};
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/** Table PERFORMANCE_SCHEMA.replication_group_members. */
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class table_replication_group_members: public PFS_engine_table
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{
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private:
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void make_row(uint index);
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/** Table share lock. */
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static THR_LOCK m_table_lock;
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/** Fields definition. */
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static TABLE_FIELD_DEF m_field_def;
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/** True if the current row exists. */
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bool m_row_exists;
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/** Current row */
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st_row_group_members m_row;
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/** Current position. */
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PFS_simple_index m_pos;
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/** Next position. */
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PFS_simple_index m_next_pos;
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protected:
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/**
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Read the current row values.
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@param table Table handle
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@param buf row buffer
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@param fields Table fields
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@param read_all true if all columns are read.
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*/
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virtual int read_row_values(TABLE *table,
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unsigned char *buf,
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Field **fields,
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bool read_all);
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table_replication_group_members();
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public:
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~table_replication_group_members();
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/** Table share. */
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static PFS_engine_table_share m_share;
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static PFS_engine_table* create();
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static ha_rows get_row_count();
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virtual int rnd_next();
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virtual int rnd_pos(const void *pos);
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virtual void reset_position(void);
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};
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/** @} */
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#endif
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