database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-10-12 12:25:37 +03:00
Code Activity

MDEV-5093, MDEV-5094:

Browse Source 
- Make EXPLAIN {PARTITIONS,EXTENDED} {UPDATE,DELETE} work.
This commit is contained in:
Sergey Petrunya
2013-10-04 18:50:47 +04:00
parent 6519ca51dd
commit 5e4044e92c
7 changed files with 81 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
sql/sql_select.cc
View File

@@ -22331,7 +22331,7 @@ int print_explain_row(select_result_sink *result,
uint select_number,
const char *select_type,
const char *table_name,
//const char *partitions, (todo)
const char *partitions,
enum join_type jtype,
const char *possible_keys,
const char *index,
@@ -22351,7 +22351,15 @@ int print_explain_row(select_result_sink *result,
item_list.push_back(new Item_string(table_name,
strlen(table_name), cs));
if (options & DESCRIBE_PARTITIONS)
item_list.push_back(item_null); // psergey-todo: produce proper value
{
if (partitions)
{
item_list.push_back(new Item_string(partitions,
strlen(partitions), cs));
}
else
item_list.push_back(item_null);
}
const char *jtype_str= join_type_str[jtype];
item_list.push_back(new Item_string(jtype_str,
@@ -22377,8 +22385,9 @@ int print_explain_row(select_result_sink *result,
item_list.push_back(new Item_int(rows,
MY_INT64_NUM_DECIMAL_DIGITS));
/* 'filtered' */
const double filtered=100.0;
if (options & DESCRIBE_EXTENDED)
item_list.push_back(item_null);
item_list.push_back(new Item_float(filtered, 2));
/* 'Extra' */
item_list.push_back(new Item_string(extra, strlen(extra), cs));
@@ -22489,7 +22498,7 @@ void explain_append_mrr_info(QUICK_RANGE_SELECT *quick, String *res)
///////////////////////////////////////////////////////////////////////////////
// TODO: join with make_possible_keys_line ?
void append_possible_keys(String *str, TABLE *table, key_map possible_keys)
{
uint j;