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| author | Michael Widenius <monty@askmonty.org> | 2009-10-14 15:58:53 +0300 |
|---|---|---|
| committer | Michael Widenius <monty@askmonty.org> | 2009-10-14 15:58:53 +0300 |
| commit | daccf1748344e011267ad3f0f093c49c6530d050 (patch) | |
| tree | ce464eb370e989b1ba3c6edc2dfc96444791fc13 /sql/opt_range.h | |
| parent | 115f4b275a640fc46dd295cc8654e995a91a3885 (diff) | |
| parent | 75a949fb414f8b3ed851a466d84788085c9dbe42 (diff) | |
| download | mariadb-git-daccf1748344e011267ad3f0f093c49c6530d050.tar.gz | |
Merge with 5.1
Diffstat (limited to 'sql/opt_range.h')
| -rw-r--r-- | sql/opt_range.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sql/opt_range.h b/sql/opt_range.h index 225af276e55..6a0234e62fe 100644 --- a/sql/opt_range.h +++ b/sql/opt_range.h @@ -38,6 +38,12 @@ typedef struct st_key_part { } KEY_PART; +/* + A "MIN_TUPLE < tbl.key_tuple < MAX_TUPLE" interval. + + One of endpoints may be absent. 'flags' member has flags which tell whether + the endpoints are '<' or '<='. +*/ class QUICK_RANGE :public Sql_alloc { public: uchar *min_key,*max_key; |