Retro Eye care Haitian Deep Dark Default

SHOW STATUS FROM READWRITE_SPLITTING RULE

Description

The SHOW STATUS FROM READWRITE_SPLITTING RULE syntax is used to query readwrite splitting storage unit status for specified readwrite splitting rule in specified database.

Syntax

ShowStatusFromReadwriteSplittingRule ::=
  'SHOW' 'STATUS' 'FROM' 'READWRITE_SPLITTING' ('RULES' | 'RULE' groupName) ('FROM' databaseName)?

groupName ::=
  identifier

databaseName ::=
  identifier

Supplement

  • When databaseName is not specified, the default is the currently used DATABASE. If DATABASE is not used, No database selected will be prompted.

Return Value Description

Columns Description
resource storage unit name
status storage unit status
delay_time(ms) delay time

Example

  • Query readwrite splitting storage unit status for specified readwrite splitting rule in specified database.
SHOW STATUS FROM READWRITE_SPLITTING RULE ms_group_0 FROM test1;

mysql> SHOW STATUS FROM READWRITE_SPLITTING RULE ms_group_0 FROM test1;
+----------+---------+----------------+
| resource | status  | delay_time(ms) |
+----------+---------+----------------+
| su_0     | enabled | 0              |
| su_1     | enabled | 0              |
| ds_2     | enabled | 0              |
| ds_1     | enabled | 0              |
+----------+---------+----------------+
4 rows in set (0.01 sec)
  • Query all readwrite splitting storage unit from specified database
SHOW STATUS FROM READWRITE_SPLITTING RULES FROM test1;

mysql> SHOW STATUS FROM READWRITE_SPLITTING RULES FROM test1;
+----------+---------+----------------+
| resource | status  | delay_time(ms) |
+----------+---------+----------------+
| su_0     | enabled | 0              |
| su_1     | enabled | 0              |
| ds_2     | enabled | 0              |
| ds_1     | enabled | 0              |
+----------+---------+----------------+
4 rows in set (0.00 sec)
  • Query readwrite splitting storage unit status for specified readwrite splitting rule in current database
SHOW STATUS FROM READWRITE_SPLITTING RULE ms_group_0;

mysql> SHOW STATUS FROM READWRITE_SPLITTING RULE ms_group_0;
+----------+---------+----------------+
| resource | status  | delay_time(ms) |
+----------+---------+----------------+
| su_0     | enabled | 0              |
| su_1     | enabled | 0              |
| ds_2     | enabled | 0              |
| ds_1     | enabled | 0              |
+----------+---------+----------------+
4 rows in set (0.01 sec)
  • Query all readwrite splitting storage unit from current database
mysql> SHOW STATUS FROM READWRITE_SPLITTING RULES;

mysql> SHOW STATUS FROM READWRITE_SPLITTING RULES;
+----------+---------+----------------+
| resource | status  | delay_time(ms) |
+----------+---------+----------------+
| su_0     | enabled | 0              |
| su_1     | enabled | 0              |
| ds_2     | enabled | 0              |
| ds_1     | enabled | 0              |
+----------+---------+----------------+
4 rows in set (0.01 sec)

Reserved word

SHOW, STATUS, FROM, READWRITE_SPLITTING, RULE, RULES