diff options
| author | Sergey Petrunya <psergey@askmonty.org> | 2010-07-18 01:05:44 +0400 |
|---|---|---|
| committer | Sergey Petrunya <psergey@askmonty.org> | 2010-07-18 01:05:44 +0400 |
| commit | 7391175d7ee296fb95001870b5d56ac9dbbd499e (patch) | |
| tree | 62f22854faaa0c4bca1ed42ee0ed1016b9183dae /sql/multi_range_read.h | |
| parent | e0999cdf7c2222f37573d50ecd7eeb9612d51a49 (diff) | |
| download | mariadb-git-7391175d7ee296fb95001870b5d56ac9dbbd499e.tar.gz | |
DS-MRR support improvements (MWL#123, MWL#124, MWL#125)
- Let DS-MRR/CPK take advantage of materialized keys, when possible
Diffstat (limited to 'sql/multi_range_read.h')
| -rw-r--r-- | sql/multi_range_read.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sql/multi_range_read.h b/sql/multi_range_read.h index 9d0e7dc096e..aa33147e2db 100644 --- a/sql/multi_range_read.h +++ b/sql/multi_range_read.h @@ -115,6 +115,7 @@ private: uchar *mrr_buf_end; /* End of the buffer */ uchar *mrr_buf_next_identical; + bool use_key_pointers; bool dsmrr_eof; /* TRUE <=> We have reached EOF when reading index tuples */ @@ -129,6 +130,8 @@ private: /* Length of lookup tuple being used, in bytes */ uint cpk_tuple_length; + + uint key_buf_element_size; /* TRUE <=> We're scanning on a full primary key (and not on prefix), and so can get max. one match for each key |