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backported MERGE+MAX bugfix from 4.0

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unknown 2003-02-12 11:03:41 +01:00
parent 02132f55c2
commit cad553de49
1 changed files with 3 additions and 4 deletions
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7
sql/opt_sum.cc
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@ -165,10 +165,9 @@ int opt_sum_query(TABLE_LIST *tables, List<Item> &all_fields,COND *conds)
error=table->file->index_last(table->record[0]) !=0;
else
{
(void) table->file->index_read(table->record[0], key_buff,
ref.key_length,
HA_READ_AFTER_KEY);
error=table->file->index_prev(table->record[0]) ||
error = table->file->index_read(table->record[0], key_buff,
ref.key_length,
HA_READ_PREFIX_LAST) ||
key_cmp(table,key_buff,ref.key,ref.key_length);
}
if (table->key_read)