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| author | Igor Babaev <igor@askmonty.org> | 2012-09-01 14:21:59 -0700 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2012-09-01 14:21:59 -0700 |
| commit | a6b88f1431238152643e41979ce10b9bbdac2a82 (patch) | |
| tree | 42482ef66f3c59b255d299fc58ace8c1b0c518ea /include/my_sys.h | |
| parent | 5a86a61219826aadf8d08cbc447fe438f2bf50c3 (diff) | |
| download | mariadb-git-a6b88f1431238152643e41979ce10b9bbdac2a82.tar.gz | |
MDEV-415: Back-port of the WL task #1393 from the mysql-5.6 code line.
The task adds a more efficient handling of the queries with
ORDER BY order LIMIT n, such that n is small enough and
no indexes are used for order.
Diffstat (limited to 'include/my_sys.h')
| -rw-r--r-- | include/my_sys.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/my_sys.h b/include/my_sys.h index e10cedfb654..7f90c228f3a 100644 --- a/include/my_sys.h +++ b/include/my_sys.h @@ -712,6 +712,7 @@ extern int flush_write_cache(RECORD_CACHE *info); extern void handle_recived_signals(void); extern sig_handler my_set_alarm_variable(int signo); +extern my_bool radixsort_is_appliccable(uint n_items, size_t size_of_element); extern void my_string_ptr_sort(uchar *base,uint items,size_t size); extern void radixsort_for_str_ptr(uchar* base[], uint number_of_elements, size_t size_of_element,uchar *buffer[]); |