diff options
Diffstat (limited to 'include/my_base.h')
| -rw-r--r-- | include/my_base.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/my_base.h b/include/my_base.h index 25521d7b13d..89b46de520f 100644 --- a/include/my_base.h +++ b/include/my_base.h @@ -190,11 +190,17 @@ enum ha_base_keytype { /* poor old NISAM has 8-bit flags :-( */ #define HA_SORT_ALLOWS_SAME 128 /* Intern bit when sorting records */ #endif +/* + Key has a part that can have end space. If this is an unique key + we have to handle it differently from other unique keys as we can find + many matching rows for one key (becaue end space are not compared) +*/ +#define HA_END_SPACE_KEY 4096 - /* These flags can be order to key-seg-flag */ + /* These flags can be added to key-seg-flag */ #define HA_SPACE_PACK 1 /* Pack space in key-seg */ -#define HA_PART_KEY 4 /* Used by MySQL for part-key-cols */ +#define HA_PART_KEY_SEG 4 /* Used by MySQL for part-key-cols */ #define HA_VAR_LENGTH 8 #define HA_NULL_PART 16 #define HA_BLOB_PART 32 |