diff options
author | unknown <sanja@askmonty.org> | 2013-04-19 19:35:13 +0300 |
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committer | unknown <sanja@askmonty.org> | 2013-04-19 19:35:13 +0300 |
commit | 1a8486a842f177022d7deec060b12756cb26a9fb (patch) | |
tree | a3f11910581bf013bde0bc40eef00eedac614410 /sql/opt_range.h | |
parent | c44c923156e9eb380121048dc589893fdd0e3081 (diff) | |
download | mariadb-git-1a8486a842f177022d7deec060b12756cb26a9fb.tar.gz |
MDEV-4345: fixed optimizer_selectivity_sampling_limit default value.
Diffstat (limited to 'sql/opt_range.h')
-rw-r--r-- | sql/opt_range.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/opt_range.h b/sql/opt_range.h index 963551cabdb..ddaa5c5e59a 100644 --- a/sql/opt_range.h +++ b/sql/opt_range.h @@ -1052,7 +1052,7 @@ void store_key_image_to_rec(Field *field, uchar *ptr, uint len); extern String null_string; /* check this number of rows (default value) */ -#define SELECTIVITY_SAMPLING_LIMIT 5000 +#define SELECTIVITY_SAMPLING_LIMIT 100 /* but no more then this part of table (10%) */ #define SELECTIVITY_SAMPLING_SHARE 0.10 /* do not check if we are going check less then this number of records */ |