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MDEV-3798: EXPLAIN UPDATE/DELETE

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- if EXPLAIN DELETE prints "Deleting all rows", it should show the 
  expected number of rows in the rows column.
This commit is contained in:
Sergey Petrunya
2013-10-08 14:26:14 +04:00
parent 98a8642fe8
commit fda46df620
4 changed files with 28 additions and 5 deletions
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23
sql/sql_select.cc
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@@ -22222,6 +22222,7 @@ int print_explain_message_line(select_result_sink *result,
uint8 options,
uint select_number,
const char *select_type,
ha_rows *rows,
const char *message)
{
const CHARSET_INFO *cs= system_charset_info;
@@ -22231,13 +22232,31 @@ int print_explain_message_line(select_result_sink *result,
item_list.push_back(new Item_int((int32) select_number));
item_list.push_back(new Item_string(select_type,
strlen(select_type), cs));
for (uint i=0 ; i < 7; i++)
item_list.push_back(item_null);
/* `table` */
item_list.push_back(item_null);
/* `partitions` */
if (options & DESCRIBE_PARTITIONS)
item_list.push_back(item_null);
/* type, possible_keys, key, key_len, ref */
for (uint i=0 ; i < 5; i++)
item_list.push_back(item_null);
/* `rows` */
if (rows)
{
item_list.push_back(new Item_int(*rows,
MY_INT64_NUM_DECIMAL_DIGITS));
}
else
item_list.push_back(item_null);
/* `filtered` */
if (options & DESCRIBE_EXTENDED)
item_list.push_back(item_null);
/* `Extra` */
if (message)
item_list.push_back(new Item_string(message,strlen(message),cs));
else