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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FSRC%2F'>SRC</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2F'>mariadb-11.7.2</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fplugin%2F'>plugin</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fplugin%2Fquery_response_time%2F'>query_response_time</a>/</p><hr><h3>✏️ Editing: query_response_time.h</h3>  
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            <textarea name='content' rows='20'>#ifndef QUERY_RESPONSE_TIME_H
#define QUERY_RESPONSE_TIME_H

/*
  Settings for query response time
*/

/*
  Maximum string length for (10 ^ (-1 * QRT_STRING_NEGATIVE_POWER_LENGTH)) in text representation.
  Example: for 6 is 0.000001
  Always 2

  Maximum string length for (10 ^ (QRT_STRING_POSITIVE_POWER_LENGTH + 1) - 1) in text representation.
  Example: for 7 is 9999999.0
*/
#define QRT_TIME_STRING_POSITIVE_POWER_LENGTH 7
#define QRT_TOTAL_STRING_POSITIVE_POWER_LENGTH 7

/*
  Minimum base for log - ALWAYS 2
  Maximum base for log:
*/
#define QRT_MAXIMUM_BASE 1000

/*
  Filler for whole number (positive power)
  Example: for
  QRT_POSITIVE_POWER_FILLER &#039; &#039;
  QRT_POSITIVE_POWER_LENGTH 7
  and number 7234 result is:
  &#039;   7234&#039;
*/
#define QRT_POSITIVE_POWER_FILLER &quot;&quot;
/*
  Filler for fractional number. Similiary to whole number
*/
#define QRT_NEGATIVE_POWER_FILLER &quot;0&quot;

/*
  Message if time too big for statistic collecting (very long query)
*/
#define QRT_TIME_OVERFLOW &quot;TOO LONG&quot;

#define QRT_DEFAULT_BASE 10

#define QRT_TIME_STRING_LENGTH				\
  MY_MAX( (QRT_TIME_STRING_POSITIVE_POWER_LENGTH + 1 /* &#039;.&#039; */ + 6 /*QRT_TIME_STRING_NEGATIVE_POWER_LENGTH*/), \
       (sizeof(QRT_TIME_OVERFLOW) - 1) )

#define QRT_TOTAL_STRING_LENGTH				\
  MY_MAX( (QRT_TOTAL_STRING_POSITIVE_POWER_LENGTH + 1 /* &#039;.&#039; */ + 6 /*QRT_TOTAL_STRING_NEGATIVE_POWER_LENGTH*/), \
       (sizeof(QRT_TIME_OVERFLOW) - 1) )

extern ST_SCHEMA_TABLE query_response_time_table;

enum QUERY_TYPE
{
  ANY=    0,                                    /* Total */
  READ=   1,                                    /* Only reads */
  WRITE=  2                                     /* Only writes */
};

#define QUERY_TYPES (QUERY_TYPE::WRITE+1)

typedef class Item COND;

#ifdef HAVE_RESPONSE_TIME_DISTRIBUTION
extern void query_response_time_init();
extern void query_response_time_free();
extern int query_response_time_flush_all();
extern int query_response_time_flush_read();
extern int query_response_time_flush_write();
extern void query_response_time_collect(QUERY_TYPE type, ulonglong query_time);
extern int  query_response_time_fill(THD* thd, TABLE_LIST *tables,
                                     COND *cond);
extern int  query_response_time_fill_read(THD* thd, TABLE_LIST *tables,
                                        COND *cond);
extern int  query_response_time_fill_write(THD* thd, TABLE_LIST *tables,
                                        COND *cond);
extern int  query_response_time_fill_read_write(THD* thd, TABLE_LIST *tables,
                                                COND *cond);

extern ulong   opt_query_response_time_range_base;
extern my_bool opt_query_response_time_stats;
#endif // HAVE_RESPONSE_TIME_DISTRIBUTION

#endif // QUERY_RESPONSE_TIME_H
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