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Merge may.pils.ru:/home/svoj/devel/mysql/BUG20357/mysql-4.1

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into  may.pils.ru:/home/svoj/devel/mysql/BUG20357/mysql-5.0
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svoj@may.pils.ru
2006-06-21 19:41:09 +05:00
parent 66bdb6de02 fedbbf4865
commit ffd8ea244d
3 changed files with 31 additions and 0 deletions
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6
sql/opt_sum.cc
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@ -701,6 +701,12 @@ static bool find_key_for_maxmin(bool max_fl, TABLE_REF *ref,
{
KEY_PART_INFO *part,*part_end;
key_part_map key_part_to_use= 0;
/*
Perform a check if index is not disabled by ALTER TABLE
or IGNORE INDEX.
*/
if (!table->keys_in_use_for_query.is_set(idx))
continue;
uint jdx= 0;
*prefix_len= 0;
for (part= keyinfo->key_part, part_end= part+keyinfo->key_parts ;