diff options
Diffstat (limited to 'myisam/mi_key.c')
| -rw-r--r-- | myisam/mi_key.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/myisam/mi_key.c b/myisam/mi_key.c index 00a64bca269..37708a399b0 100644 --- a/myisam/mi_key.c +++ b/myisam/mi_key.c @@ -145,11 +145,26 @@ uint _mi_make_key(register MI_INFO *info, uint keynr, uchar *key, } /* _mi_make_key */ - /* Pack a key to intern format from given format (c_rkey) */ - /* returns length of packed key */ +/* + Pack a key to intern format from given format (c_rkey) + + SYNOPSIS + _mi_pack_key() + info MyISAM handler + uint keynr key number + key Store packed key here + old Not packed key + k_length Length of 'old' to use + last_used_keyseg out parameter. May be NULL + + RETURN + length of packed key + + last_use_keyseg Store pointer to the keyseg after the last used one +*/ uint _mi_pack_key(register MI_INFO *info, uint keynr, uchar *key, uchar *old, - uint k_length) + uint k_length, MI_KEYSEG **last_used_keyseg) { uint length; uchar *pos,*end,*start_key=key; @@ -220,6 +235,8 @@ uint _mi_pack_key(register MI_INFO *info, uint keynr, uchar *key, uchar *old, key+= length; k_length-=length; } + if (last_used_keyseg) + *last_used_keyseg= keyseg; #ifdef NOT_USED if (keyseg->type) |