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MDEV-406: ANALYZE $stmt

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- Testcase for ANALYZE UNION
- Provide r_rows for union result.
This commit is contained in:
Sergei Petrunia
2014-06-03 19:04:59 +04:00
parent 5621aa3230
commit 917b22393f
3 changed files with 19 additions and 3 deletions
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10
sql/sql_explain.cc
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@@ -291,7 +291,11 @@ int Explain_union::print_explain(Explain_query *query,
/* `r_rows` */
if (is_analyze)
item_list.push_back(item_null);
{
ha_rows avg_rows= fake_select_lex_tracker.get_avg_rows();
item_list.push_back(new Item_int((longlong) (ulonglong) avg_rows,
MY_INT64_NUM_DECIMAL_DIGITS));
}
/* `filtered` */
if (explain_flags & DESCRIBE_EXTENDED || is_analyze)
@@ -542,8 +546,8 @@ int Explain_table_access::print_explain(select_result_sink *output, uint8 explai
/* `r_rows` */
if (is_analyze)
{
ha_rows avg_rows= tracker.r_scans ? round((double) tracker.r_rows / tracker.r_scans): 0;
item_list.push_back(new Item_int((longlong) (ulonglong) avg_rows,
ha_rows avg_rows= tracker.get_avg_rows();
item_list.push_back(new Item_int((longlong) (ulonglong) avg_rows,
MY_INT64_NUM_DECIMAL_DIGITS));
}