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MDEV-406: ANALYZE $stmt: add support for BNL join buffering

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Sergei Petrunia
2014-06-25 15:15:38 +04:00
parent c3cfb6910a
commit 7711999d8b
8 changed files with 122 additions and 26 deletions
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10
sql/sql_explain.cc
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@@ -585,12 +585,10 @@ int Explain_table_access::print_explain(select_result_sink *output, uint8 explai
}
else
{
double r_filtered;
if (tracker.r_rows > 0)
r_filtered= 100.0 * (double)tracker.r_rows_after_table_cond / tracker.r_rows;
else
r_filtered= 100.0;
item_list.push_back(new Item_float(r_filtered, 2));
double r_filtered= tracker.get_filtered_after_where();
if (bka_type.is_using_jbuf())
r_filtered *= jbuf_tracker.get_filtered_after_where();
item_list.push_back(new Item_float(r_filtered*100.0, 2));
}
}