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Code cleanup (1)

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This commit is contained in:
Sergey Petrunya
2011-02-19 00:22:38 +03:00
parent 2c7c230a59
commit e7aa18fb9c
5 changed files with 3 additions and 25 deletions
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14
sql/sql_select.cc
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@ -14728,20 +14728,6 @@ join_read_always_key(JOIN_TAB *tab)
}
}
// psergey-merge:todo: should the below be removed: ?
// if not, what's the BKA equivalent for it?
// (example: this is needed for outer joins where we can't do early NULL
// filtering because we'll still need to produce NULL-complemented records)
/* Perform "Late NULLs Filtering" (see internals manual for explanations) */
#if 0
Not needed?
for (uint i= 0 ; i < tab->ref.key_parts ; i++)
{
if ((tab->ref.null_rejecting & 1 << i) && tab->ref.items[i]->is_null())
return -1;
}
#endif
if (cp_buffer_from_ref(tab->join->thd, table, &tab->ref))
return -1;
if ((error= table->file->ha_index_read_map(table->record[0],