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DBHomework/mysql_include/mysql/psi/mysql_statement.h

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/* Copyright (c) 2010, 2015, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#ifndef MYSQL_STATEMENT_H
#define MYSQL_STATEMENT_H
/**
@file mysql/psi/mysql_statement.h
Instrumentation helpers for statements.
*/
#include "mysql/psi/psi.h"
class Diagnostics_area;
typedef struct charset_info_st CHARSET_INFO;
#ifndef PSI_STATEMENT_CALL
#define PSI_STATEMENT_CALL(M) PSI_DYNAMIC_CALL(M)
#endif
#ifndef PSI_DIGEST_CALL
#define PSI_DIGEST_CALL(M) PSI_DYNAMIC_CALL(M)
#endif
/**
@defgroup Statement_instrumentation Statement Instrumentation
@ingroup Instrumentation_interface
@{
*/
/**
@def mysql_statement_register(P1, P2, P3)
Statement registration.
*/
#ifdef HAVE_PSI_STATEMENT_INTERFACE
#define mysql_statement_register(P1, P2, P3) \
inline_mysql_statement_register(P1, P2, P3)
#else
#define mysql_statement_register(P1, P2, P3) \
do {} while (0)
#endif
#ifdef HAVE_PSI_STATEMENT_DIGEST_INTERFACE
#define MYSQL_DIGEST_START(LOCKER) \
inline_mysql_digest_start(LOCKER)
#else
#define MYSQL_DIGEST_START(LOCKER) \
NULL
#endif
#ifdef HAVE_PSI_STATEMENT_DIGEST_INTERFACE
#define MYSQL_DIGEST_END(LOCKER, DIGEST) \
inline_mysql_digest_end(LOCKER, DIGEST)
#else
#define MYSQL_DIGEST_END(LOCKER, DIGEST) \
do {} while (0)
#endif
#ifdef HAVE_PSI_STATEMENT_INTERFACE
#define MYSQL_START_STATEMENT(STATE, K, DB, DB_LEN, CS, SPS) \
inline_mysql_start_statement(STATE, K, DB, DB_LEN, CS, SPS, __FILE__, __LINE__)
#else
#define MYSQL_START_STATEMENT(STATE, K, DB, DB_LEN, CS, SPS) \
NULL
#endif
#ifdef HAVE_PSI_STATEMENT_INTERFACE
#define MYSQL_REFINE_STATEMENT(LOCKER, K) \
inline_mysql_refine_statement(LOCKER, K)
#else
#define MYSQL_REFINE_STATEMENT(LOCKER, K) \
NULL
#endif
#ifdef HAVE_PSI_STATEMENT_INTERFACE
#define MYSQL_SET_STATEMENT_TEXT(LOCKER, P1, P2) \
inline_mysql_set_statement_text(LOCKER, P1, P2)
#else
#define MYSQL_SET_STATEMENT_TEXT(LOCKER, P1, P2) \
do {} while (0)
#endif
#ifdef HAVE_PSI_STATEMENT_INTERFACE
#define MYSQL_SET_STATEMENT_LOCK_TIME(LOCKER, P1) \
inline_mysql_set_statement_lock_time(LOCKER, P1)
#else
#define MYSQL_SET_STATEMENT_LOCK_TIME(LOCKER, P1) \
do {} while (0)
#endif
#ifdef HAVE_PSI_STATEMENT_INTERFACE
#define MYSQL_SET_STATEMENT_ROWS_SENT(LOCKER, P1) \
inline_mysql_set_statement_rows_sent(LOCKER, P1)
#else
#define MYSQL_SET_STATEMENT_ROWS_SENT(LOCKER, P1) \
do {} while (0)
#endif
#ifdef HAVE_PSI_STATEMENT_INTERFACE
#define MYSQL_SET_STATEMENT_ROWS_EXAMINED(LOCKER, P1) \
inline_mysql_set_statement_rows_examined(LOCKER, P1)
#else
#define MYSQL_SET_STATEMENT_ROWS_EXAMINED(LOCKER, P1) \
do {} while (0)
#endif
#ifdef HAVE_PSI_STATEMENT_INTERFACE
#define MYSQL_END_STATEMENT(LOCKER, DA) \
inline_mysql_end_statement(LOCKER, DA)
#else
#define MYSQL_END_STATEMENT(LOCKER, DA) \
do {} while (0)
#endif
#ifdef HAVE_PSI_STATEMENT_INTERFACE
static inline void inline_mysql_statement_register(
const char *category, PSI_statement_info *info, int count)
{
PSI_STATEMENT_CALL(register_statement)(category, info, count);
}
#ifdef HAVE_PSI_STATEMENT_DIGEST_INTERFACE
static inline struct PSI_digest_locker *
inline_mysql_digest_start(PSI_statement_locker *locker)
{
PSI_digest_locker* digest_locker= NULL;
if (likely(locker != NULL))
digest_locker= PSI_DIGEST_CALL(digest_start)(locker);
return digest_locker;
}
#endif
#ifdef HAVE_PSI_STATEMENT_DIGEST_INTERFACE
static inline void
inline_mysql_digest_end(PSI_digest_locker *locker, const sql_digest_storage *digest)
{
if (likely(locker != NULL))
PSI_DIGEST_CALL(digest_end)(locker, digest);
}
#endif
static inline struct PSI_statement_locker *
inline_mysql_start_statement(PSI_statement_locker_state *state,
PSI_statement_key key,
const char *db, uint db_len,
const CHARSET_INFO *charset,
PSI_sp_share *sp_share,
const char *src_file, int src_line)
{
PSI_statement_locker *locker;
locker= PSI_STATEMENT_CALL(get_thread_statement_locker)(state, key, charset,
sp_share);
if (likely(locker != NULL))
PSI_STATEMENT_CALL(start_statement)(locker, db, db_len, src_file, src_line);
return locker;
}
static inline struct PSI_statement_locker *
inline_mysql_refine_statement(PSI_statement_locker *locker,
PSI_statement_key key)
{
if (likely(locker != NULL))
{
locker= PSI_STATEMENT_CALL(refine_statement)(locker, key);
}
return locker;
}
static inline void
inline_mysql_set_statement_text(PSI_statement_locker *locker,
const char *text, uint text_len)
{
if (likely(locker != NULL))
{
PSI_STATEMENT_CALL(set_statement_text)(locker, text, text_len);
}
}
static inline void
inline_mysql_set_statement_lock_time(PSI_statement_locker *locker,
ulonglong count)
{
if (likely(locker != NULL))
{
PSI_STATEMENT_CALL(set_statement_lock_time)(locker, count);
}
}
static inline void
inline_mysql_set_statement_rows_sent(PSI_statement_locker *locker,
ulonglong count)
{
if (likely(locker != NULL))
{
PSI_STATEMENT_CALL(set_statement_rows_sent)(locker, count);
}
}
static inline void
inline_mysql_set_statement_rows_examined(PSI_statement_locker *locker,
ulonglong count)
{
if (likely(locker != NULL))
{
PSI_STATEMENT_CALL(set_statement_rows_examined)(locker, count);
}
}
static inline void
inline_mysql_end_statement(struct PSI_statement_locker *locker,
Diagnostics_area *stmt_da)
{
PSI_STAGE_CALL(end_stage)();
if (likely(locker != NULL))
PSI_STATEMENT_CALL(end_statement)(locker, stmt_da);
}
#endif
/** @} (end of group Statement_instrumentation) */
#endif