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| author | Alexander Barkov <bar@mariadb.org> | 2014-08-11 05:45:45 +0400 |
|---|---|---|
| committer | Alexander Barkov <bar@mariadb.org> | 2014-08-11 05:45:45 +0400 |
| commit | 22a64047d14d1199ced885f63bcccd39459681d6 (patch) | |
| tree | 8087b8b89fe8602f43355f88ce91c8ce1e34b55b /plugin | |
| parent | 4105cbf4a230c82ea7dee31d4d2262b798fad9f4 (diff) | |
| download | mariadb-git-22a64047d14d1199ced885f63bcccd39459681d6.tar.gz | |
MDEV-6274 Collation usage statistics
Adding collation usage statistics into the feedback plugin I_S table.
Diffstat (limited to 'plugin')
| -rw-r--r-- | plugin/feedback/feedback.cc | 3 | ||||
| -rw-r--r-- | plugin/feedback/feedback.h | 1 | ||||
| -rw-r--r-- | plugin/feedback/utils.cc | 19 |
3 files changed, 22 insertions, 1 deletions
diff --git a/plugin/feedback/feedback.cc b/plugin/feedback/feedback.cc index 54459ae6f17..f644bd597d9 100644 --- a/plugin/feedback/feedback.cc +++ b/plugin/feedback/feedback.cc @@ -217,7 +217,8 @@ int fill_feedback(THD *thd, TABLE_LIST *tables, COND *unused) tables->schema_table= i_s_feedback; res= res || fill_plugin_version(thd, tables) || fill_misc_data(thd, tables) - || fill_linux_info(thd, tables); + || fill_linux_info(thd, tables) + || fill_collation_statistics(thd, tables); return res; } diff --git a/plugin/feedback/feedback.h b/plugin/feedback/feedback.h index c5acbb5ef72..c2091afdedc 100644 --- a/plugin/feedback/feedback.h +++ b/plugin/feedback/feedback.h @@ -22,6 +22,7 @@ int fill_feedback(THD *thd, TABLE_LIST *tables, COND *cond); int fill_plugin_version(THD *thd, TABLE_LIST *tables); int fill_misc_data(THD *thd, TABLE_LIST *tables); int fill_linux_info(THD *thd, TABLE_LIST *tables); +int fill_collation_statistics(THD *thd, TABLE_LIST *tables); static const int SERVER_UID_SIZE= 29; extern char server_uid_buf[SERVER_UID_SIZE+1], *user_info; diff --git a/plugin/feedback/utils.cc b/plugin/feedback/utils.cc index 0510140aee9..b83b69be0ce 100644 --- a/plugin/feedback/utils.cc +++ b/plugin/feedback/utils.cc @@ -383,6 +383,25 @@ int fill_misc_data(THD *thd, TABLE_LIST *tables) return 0; } +int fill_collation_statistics(THD *thd, TABLE_LIST *tables) +{ + TABLE *table= tables->table; + for (uint id= 1; id < MY_ALL_CHARSETS_SIZE; id++) + { + ulonglong count; + if (my_collation_is_known_id(id) && + (count= my_collation_statistics_get_use_count(id))) + { + char name[MY_CS_NAME_SIZE + 32]; + size_t namelen= my_snprintf(name, sizeof(name), + "Collation used %s", + get_charset_name(id)); + INSERT2(name, namelen, (count, UNSIGNED)); + } + } + return 0; +}; + /** calculates the server unique identifier |