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fix ANALYZE TBALE to never generate rec_per_key_part < 1, as it prevent the table from being marked as analyzed (and the value is meaningless anyway)

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unknown 2003-08-26 23:52:15 +02:00
parent ec4d0edf85
commit cc7b3c8269
1 changed files with 4 additions and 1 deletions
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5
myisam/mi_check.c
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@ -36,7 +36,7 @@
/* Functions defined in this file */
static int check_k_link(MI_CHECK *param, MI_INFO *info,uint nr);
static int chk_index(MI_CHECK *param, MI_INFO *info, MI_KEYDEF *keyinfo,
static int chk_index(MI_CHECK *param, MI_INFO *info,MI_KEYDEF *keyinfo,
my_off_t page, uchar *buff, ha_rows *keys,
ha_checksum *key_checksum, uint level);
static uint isam_key_length(MI_INFO *info,MI_KEYDEF *keyinfo);
@ -3681,6 +3681,9 @@ void update_key_parts(MI_KEYDEF *keyinfo, ulong *rec_per_key_part,
tmp=records;
else
tmp= (records + (count+1)/2) / (count+1);
/* for some weird keys (e.g. FULLTEXT) tmp can be <1 here.
let's ensure it is not */
set_if_bigger(tmp,1);
if (tmp >= (ulonglong) ~(ulong) 0)
tmp=(ulonglong) ~(ulong) 0;
*rec_per_key_part=(ulong) tmp;