diff options
Diffstat (limited to 'include/my_base.h')
| -rw-r--r-- | include/my_base.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/my_base.h b/include/my_base.h index 22f1ea0a5df..05b3b56359e 100644 --- a/include/my_base.h +++ b/include/my_base.h @@ -104,7 +104,8 @@ enum ha_key_alg { HA_KEY_ALG_RTREE= 2, /* R-tree, for spatial searches */ HA_KEY_ALG_HASH= 3, /* HASH keys (HEAP tables) */ HA_KEY_ALG_FULLTEXT= 4, /* FULLTEXT (MyISAM tables) */ - HA_KEY_ALG_LONG_HASH= 5 /* long BLOB keys */ + HA_KEY_ALG_LONG_HASH= 5, /* long BLOB keys */ + HA_KEY_ALG_UNIQUE_HASH= 6 /* Internal UNIQUE hash (Aria) */ }; /* Storage media types */ @@ -276,11 +277,17 @@ enum ha_base_keytype { #define HA_SPATIAL 1024U /* For spatial search */ #define HA_NULL_ARE_EQUAL 2048U /* NULL in key are cmp as equal */ #define HA_GENERATED_KEY 8192U /* Automatically generated key */ +/* + Part of unique hash key. Used only for temporary (work) tables so is not + written to .frm files. +*/ +#define HA_UNIQUE_HASH 262144U /* The combination of the above can be used for key type comparison. */ #define HA_KEYFLAG_MASK (HA_NOSAME | HA_AUTO_KEY | \ HA_FULLTEXT | HA_UNIQUE_CHECK | \ - HA_SPATIAL | HA_NULL_ARE_EQUAL | HA_GENERATED_KEY) + HA_SPATIAL | HA_NULL_ARE_EQUAL | HA_GENERATED_KEY | \ + HA_UNIQUE_HASH) /* Key contains partial segments. |