mariadb/sql/log_slow.h

/* Copyright (C) 2009 Monty Program Ab

   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 or later 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/* Defining what to log to slow log */

#define LOG_SLOW_VERBOSITY_INIT           0
#define LOG_SLOW_VERBOSITY_INNODB         1 << 0
#define LOG_SLOW_VERBOSITY_QUERY_PLAN     1 << 1

#ifdef DEFINE_VARIABLES_LOG_SLOW

/* Names here must be in same order as the bit's above */
static const char *log_slow_verbosity_names[]=
{
  "innodb","query_plan",
  NullS
};

static const unsigned int log_slow_verbosity_names_len[]=
{
  sizeof("innodb") -1,
  sizeof("query_plan")-1
};

TYPELIB log_slow_verbosity_typelib=
{  array_elements(log_slow_verbosity_names)-1,"", log_slow_verbosity_names,
   (unsigned int *) log_slow_verbosity_names_len };

#else
extern TYPELIB log_slow_verbosity_typelib;
#endif /* DEFINE_VARIABLES_LOG_SLOW */

/* Defines for what kind of query plan was used and what to log */

/*
  We init the used query plan with a bit that is alwyas set and all 'no' bits
  to enable easy testing of what to log in sql_log.cc
*/
#define QPLAN_INIT            (QPLAN_ALWAYS_SET | QPLAN_QC_NO)

#define QPLAN_ADMIN           1 << 0
#define QPLAN_FILESORT        1 << 1
#define QPLAN_FILESORT_DISK   1 << 2
#define QPLAN_FULL_JOIN       1 << 3
#define QPLAN_FULL_SCAN       1 << 4
#define QPLAN_QC              1 << 5
#define QPLAN_QC_NO           1 << 6
#define QPLAN_TMP_DISK        1 << 7
#define QPLAN_TMP_TABLE       1 << 8
/* ... */
#define QPLAN_MAX             ((ulong) 1) << 31 /* reserved as placeholder */
#define QPLAN_ALWAYS_SET      QPLAN_MAX
#define QPLAN_VISIBLE_MASK    (~(QPLAN_ALWAYS_SET))

#ifdef DEFINE_VARIABLES_LOG_SLOW
/* Names here must be in same order as the bit's above */
static const char *log_slow_filter_names[]= 
{
  "admin",
  "filesort",
  "filesort_on_disk",
  "full_join",
  "full_scan",
  "query_cache",
  "query_cache_miss",
  "tmp_table",
  "tmp_table_on_disk",
  NullS
};

static const unsigned int log_slow_filter_names_len[]=
{
  sizeof("admin")-1,
  sizeof("filesort")-1,
  sizeof("filesort_on_disk")-1,
  sizeof("full_join")-1,
  sizeof("full_scan")-1,
  sizeof("query_cache")-1,
  sizeof("query_cache_miss")-1,
  sizeof("tmp_table")-1,
  sizeof("tmp_table_on_disk")-1
};

TYPELIB log_slow_filter_typelib=
{  array_elements(log_slow_filter_names)-1,"", log_slow_filter_names,
   (unsigned int *) log_slow_filter_names_len };

#else
extern TYPELIB log_slow_filter_typelib;
#endif /* DEFINE_VARIABLES_LOG_SLOW */

static inline ulong fix_log_slow_filter(ulong org_filter)
{
  return org_filter ? org_filter : QPLAN_ALWAYS_SET;
}