125 lines
4.1 KiB
C
125 lines
4.1 KiB
C
/* 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 PFS_EVENTS_TRANSACTIONS_H
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#define PFS_EVENTS_TRANSACTIONS_H
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/**
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@file storage/perfschema/pfs_events_transactions.h
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Events transactions data structures (declarations).
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*/
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#include "pfs_column_types.h"
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#include "pfs_events.h"
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#include "rpl_gtid.h"
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#include "mysql/plugin.h" /* MYSQL_XIDDATASIZE */
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struct PFS_thread;
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struct PFS_account;
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struct PFS_user;
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struct PFS_host;
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/**
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struct PSI_xid is binary compatible with the XID structure as
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in the X/Open CAE Specification, Distributed Transaction Processing:
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The XA Specification, X/Open Company Ltd., 1991.
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http://www.opengroup.org/bookstore/catalog/c193.htm
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A value of -1 in formatID means that the XID is null.
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Max length for bqual and gtrid is 64 bytes each.
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@see XID in sql/handler.h
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@see MYSQL_XID in mysql/plugin.h
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*/
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struct PSI_xid
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{
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/** Format identifier. */
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long formatID;
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/** GTRID length, value 1-64. */
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long gtrid_length;
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/** BQUAL length, value 1-64. */
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long bqual_length;
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/** XID raw data, not \0-terminated */
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char data[MYSQL_XIDDATASIZE];
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PSI_xid() {null();}
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bool is_null() { return formatID == -1; }
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void null() { formatID= -1; gtrid_length= 0; bqual_length= 0;}
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};
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typedef struct PSI_xid PSI_xid;
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/** A transaction record. */
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struct PFS_events_transactions : public PFS_events
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{
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/** Source identifier, mapped from internal format. */
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rpl_sid m_sid;
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/** InnoDB transaction ID. */
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ulonglong m_trxid;
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/** Status */
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enum_transaction_state m_state;
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/** Global Transaction ID specifier. */
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Gtid_specification m_gtid_spec;
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/** True if XA transaction. */
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my_bool m_xa;
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/** XA transaction ID. */
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PSI_xid m_xid;
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/** XA status */
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enum_xa_transaction_state m_xa_state;
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/** Transaction isolation level. */
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enum_isolation_level m_isolation_level;
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/** True if read-only transaction, otherwise read-write. */
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my_bool m_read_only;
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/** True if autocommit transaction. */
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my_bool m_autocommit;
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/** Total number of savepoints. */
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ulonglong m_savepoint_count;
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/** Number of rollback_to_savepoint. */
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ulonglong m_rollback_to_savepoint_count;
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/** Number of release_savepoint. */
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ulonglong m_release_savepoint_count;
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};
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bool xid_printable(PSI_xid *xid, size_t offset, size_t length);
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void insert_events_transactions_history(PFS_thread *thread, PFS_events_transactions *transaction);
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void insert_events_transactions_history_long(PFS_events_transactions *transaction);
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extern bool flag_events_transactions_current;
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extern bool flag_events_transactions_history;
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extern bool flag_events_transactions_history_long;
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extern bool events_transactions_history_long_full;
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extern PFS_cacheline_uint32 events_transactions_history_long_index;
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extern PFS_events_transactions *events_transactions_history_long_array;
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extern ulong events_transactions_history_long_size;
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int init_events_transactions_history_long(uint events_transactions_history_long_sizing);
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void cleanup_events_transactions_history_long();
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void reset_events_transactions_current();
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void reset_events_transactions_history();
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void reset_events_transactions_history_long();
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void reset_events_transactions_by_thread();
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void reset_events_transactions_by_account();
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void reset_events_transactions_by_user();
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void reset_events_transactions_by_host();
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void reset_events_transactions_global();
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void aggregate_account_transactions(PFS_account *account);
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void aggregate_user_transactions(PFS_user *user);
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void aggregate_host_transactions(PFS_host *host);
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#endif
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