1#ifndef QUERY_RESPONSE_TIME_H
2#define QUERY_RESPONSE_TIME_H
3
4/*
5 Settings for query response time
6*/
7
8/*
9 Maximum string length for (10 ^ (-1 * QRT_STRING_NEGATIVE_POWER_LENGTH)) in text representation.
10 Example: for 6 is 0.000001
11 Always 2
12
13 Maximum string length for (10 ^ (QRT_STRING_POSITIVE_POWER_LENGTH + 1) - 1) in text representation.
14 Example: for 7 is 9999999.0
15*/
16#define QRT_TIME_STRING_POSITIVE_POWER_LENGTH 7
17#define QRT_TOTAL_STRING_POSITIVE_POWER_LENGTH 7
18
19/*
20 Minimum base for log - ALWAYS 2
21 Maximum base for log:
22*/
23#define QRT_MAXIMUM_BASE 1000
24
25/*
26 Filler for whole number (positive power)
27 Example: for
28 QRT_POSITIVE_POWER_FILLER ' '
29 QRT_POSITIVE_POWER_LENGTH 7
30 and number 7234 result is:
31 ' 7234'
32*/
33#define QRT_POSITIVE_POWER_FILLER ""
34/*
35 Filler for fractional number. Similiary to whole number
36*/
37#define QRT_NEGATIVE_POWER_FILLER "0"
38
39/*
40 Message if time too big for statistic collecting (very long query)
41*/
42#define QRT_TIME_OVERFLOW "TOO LONG"
43
44#define QRT_DEFAULT_BASE 10
45
46#define QRT_TIME_STRING_LENGTH \
47 MY_MAX( (QRT_TIME_STRING_POSITIVE_POWER_LENGTH + 1 /* '.' */ + 6 /*QRT_TIME_STRING_NEGATIVE_POWER_LENGTH*/), \
48 (sizeof(QRT_TIME_OVERFLOW) - 1) )
49
50#define QRT_TOTAL_STRING_LENGTH \
51 MY_MAX( (QRT_TOTAL_STRING_POSITIVE_POWER_LENGTH + 1 /* '.' */ + 6 /*QRT_TOTAL_STRING_NEGATIVE_POWER_LENGTH*/), \
52 (sizeof(QRT_TIME_OVERFLOW) - 1) )
53
54extern ST_SCHEMA_TABLE query_response_time_table;
55
56#ifdef HAVE_RESPONSE_TIME_DISTRIBUTION
57extern void query_response_time_init ();
58extern void query_response_time_free ();
59extern int query_response_time_flush ();
60extern void query_response_time_collect(ulonglong query_time);
61extern int query_response_time_fill (THD* thd, TABLE_LIST *tables, COND *cond);
62
63extern ulong opt_query_response_time_range_base;
64extern my_bool opt_query_response_time_stats;
65#endif // HAVE_RESPONSE_TIME_DISTRIBUTION
66
67#endif // QUERY_RESPONSE_TIME_H
68