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| author | unknown <sergefp@mysql.com> | 2005-10-21 06:29:17 +0400 |
|---|---|---|
| committer | unknown <sergefp@mysql.com> | 2005-10-21 06:29:17 +0400 |
| commit | 71fdef4d10b5eda9bec9743fc457cb8629e93344 (patch) | |
| tree | 2ec77c30e97d8e7c0b2634973992317e30dffe08 /myisam/myisamdef.h | |
| parent | 0c16a7ccc7354ef197472a9cdde182512c88dfe7 (diff) | |
| download | mariadb-git-71fdef4d10b5eda9bec9743fc457cb8629e93344.tar.gz | |
BUG#9622, stage 2, work together with fix for BUG#12232:
added "nulls_ignored" index statistics collection method for MyISAM tables.
(notification trigger: this is about BUG#9622).
include/my_base.h:
BUG#9622: Added MI_STATS_METHOD_IGNORE_NULLS statistics collection method:
Added SEARCH_RETURN_B_POS flag for ha_key_cmp()
include/my_handler.h:
BUG#9622: Added MI_STATS_METHOD_IGNORE_NULLS statistics collection method: added ha_find_null()
include/myisam.h:
BUG#9622: Added MI_STATS_METHOD_IGNORE_NULLS statistics collection method.
myisam/mi_check.c:
BUG#9622: Added MI_STATS_METHOD_IGNORE_NULLS statistics collection method, added
mi_collect_stats_*(), updated update_key_parts() to deal with all 3 methods.
myisam/myisamchk.c:
BUG#9622: Added nulls_ignored index statistics collection method for MyISAM
myisam/myisamdef.h:
BUG#9622: Added MI_STATS_METHOD_IGNORE_NULLS statistics collection method.
myisam/sort.c:
BUG#9622: Added MI_STATS_METHOD_IGNORE_NULLS statistics collection method.
mysql-test/r/myisam.result:
Testcase for BUG9622
mysql-test/t/myisam.test:
Testcase for BUG9622
mysys/my_handler.c:
BUG#9622: ha_key_cmp() now supports new SEARCH_RETURN_B_POS flag, added ha_find_null()
sql/ha_myisam.cc:
BUG#9622: Added MI_STATS_METHOD_IGNORE_NULLS statistics collection method.
sql/mysqld.cc:
BUG#9622: Added MI_STATS_METHOD_IGNORE_NULLS statistics collection method.
Diffstat (limited to 'myisam/myisamdef.h')
| -rw-r--r-- | myisam/myisamdef.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/myisam/myisamdef.h b/myisam/myisamdef.h index 93a7bf96f59..a766d59d72a 100644 --- a/myisam/myisamdef.h +++ b/myisam/myisamdef.h @@ -297,7 +297,14 @@ typedef struct st_mi_sort_param pthread_t thr; IO_CACHE read_cache, tempfile, tempfile_for_exceptions; DYNAMIC_ARRAY buffpek; + + /* + The next two are used to collect statistics, see update_key_parts for + description. + */ ulonglong unique[MI_MAX_KEY_SEG+1]; + ulonglong notnull[MI_MAX_KEY_SEG+1]; + my_off_t pos,max_pos,filepos,start_recpos; uint key, key_length,real_key_length,sortbuff_size; uint maxbuffers, keys, find_length, sort_keys_length; |