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| author | Sergey Petrunya <psergey@askmonty.org> | 2009-09-02 12:40:18 +0400 |
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| committer | Sergey Petrunya <psergey@askmonty.org> | 2009-09-02 12:40:18 +0400 |
| commit | 4779af2921ca1a6e1c722e62a3dceab819231ce1 (patch) | |
| tree | 66831cd12ed12629636b28586e6a76e6627679f3 /sql/opt_range.h | |
| parent | d841ea23ef0465e7cc0a060a1b1a6faf0f4804b8 (diff) | |
| download | mariadb-git-4779af2921ca1a6e1c722e62a3dceab819231ce1.tar.gz | |
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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; |