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Remove garbage comments

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This commit is contained in:
Sergey Petrunya
2011-05-29 13:22:38 +04:00
parent 5cd18326c2
commit 037e16583e
3 changed files with 2 additions and 64 deletions
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43
sql/sql_select.cc
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@@ -5928,6 +5928,8 @@ greedy_search(JOIN *join,
@param record_count_arg[out] store record count here
@note
end_tab==NULL means get full join cost and fanout
When used by semi-join materialization code the idea is that we
detect sj-materialization after we've put all sj-inner tables into
the join prefix.
@@ -5943,39 +5945,6 @@ greedy_search(JOIN *join,
@returns
read_time_arg and record_count_arg contain the computed cost.
*/
#if 0
void JOIN::get_partial_join_cost(uint n_tables,
double *read_time_arg, double *record_count_arg)
{
#if 0
double record_count= 1;
double read_time= 0.0;
DBUG_ASSERT(n_tables <= tables);
for (uint i= const_tables; i < n_tables; i++)
{
if (best_positions[i].records_read)
{
record_count *= best_positions[i].records_read;
read_time += best_positions[i].read_time;
}
}
*read_time_arg= read_time;// + record_count / TIME_FOR_COMPARE;
*record_count_arg= record_count;
#endif
DBUG_ASSERT(0);
}
#endif
/*
Get partial join cost and fanout
end_tab==NULL means get full join cost and fanout
if end_tab belongs to a semi-join nest, get fanout within the scope of that
nest.
*/
void JOIN::get_partial_cost_and_fanout(uint end_tab_idx,
table_map filter_map,
@@ -6521,14 +6490,6 @@ int JOIN_TAB::make_scan_filter()
Item *cond= is_inner_table_of_outer_join() ?
*get_first_inner_table()->on_expr_ref : join->conds;
/*
psergey4timour: passing MAX_TABLES here is not correct.
The following make_cond_for_table call constructs a condition that will be
applied when reading a table with join buffering. This means that we're
nearly certain that this condition will be checked fewer than #{records in
join output} times.
*/
if (cond &&
(tmp= make_cond_for_table(join->thd, cond,
join->const_table_map | table->map,