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tokudb patches for prepare range scan

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This commit is contained in:
Sergei Golubchik
2013-09-09 14:00:18 +02:00
parent 642aa4366d
commit 9c98876ca1
4 changed files with 49 additions and 1 deletions
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20
sql/opt_range.cc
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@ -11390,6 +11390,26 @@ int QUICK_SELECT_DESC::get_next()
if (!(last_range= rev_it++))
DBUG_RETURN(HA_ERR_END_OF_FILE); // All ranges used
key_range start_key;
start_key.key= (const uchar*) last_range->min_key;
start_key.length= last_range->min_length;
start_key.flag= ((last_range->flag & NEAR_MIN) ? HA_READ_AFTER_KEY :
(last_range->flag & EQ_RANGE) ?
HA_READ_KEY_EXACT : HA_READ_KEY_OR_NEXT);
start_key.keypart_map= last_range->min_keypart_map;
key_range end_key;
end_key.key= (const uchar*) last_range->max_key;
end_key.length= last_range->max_length;
end_key.flag= (last_range->flag & NEAR_MAX ? HA_READ_BEFORE_KEY :
HA_READ_AFTER_KEY);
end_key.keypart_map= last_range->max_keypart_map;
result= file->prepare_range_scan((last_range->flag & NO_MIN_RANGE) ? NULL : &start_key,
(last_range->flag & NO_MAX_RANGE) ? NULL : &end_key);
if (result)
{
DBUG_RETURN(result);
}
if (last_range->flag & NO_MAX_RANGE) // Read last record
{
int local_error;