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Merge gkodinov@bk-internal.mysql.com:/home/bk/mysql-5.1-bugteam

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into  magare.gmz:/home/kgeorge/mysql/autopush/B35206-5.1-bugteam
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gkodinov/kgeorge@magare.gmz
2008-03-28 09:51:06 +02:00
parent 7c44702121 cde380ea50
commit faaf239f87
3 changed files with 509 additions and 0 deletions
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17
sql/sql_select.cc
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@ -13177,6 +13177,23 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
tab->limit= select_limit;
}
}
else if (tab->type != JT_ALL)
{
/*
We're about to use a quick access to the table.
We need to change the access method so as the quick access
method is actually used.
*/
DBUG_ASSERT(tab->select->quick);
tab->type=JT_ALL;
tab->use_quick=1;
tab->ref.key= -1;
tab->ref.key_parts=0; // Don't use ref key.
tab->read_first_record= join_init_read_record;
/*
TODO: update the number of records in join->best_positions[tablenr]
*/
}
}
used_key_parts= best_key_parts;
order_direction= best_key_direction;