The Ultimate Guide to High Availability with MariaDB

ps_thread_account

Syntax

sys.ps_thread_account(thread_id)

Description

ps_thread_account is a stored function available with the Sys Schema that returns the account (username@hostname) associated with the given thread_id.

Returns NULL if the thread_id is not found.

Examples

SELECT sys.ps_thread_account(sys.ps_thread_id(CONNECTION_ID()));
+----------------------------------------------------------+
| sys.ps_thread_account(sys.ps_thread_id(CONNECTION_ID())) |
+----------------------------------------------------------+
| msandbox@localhost                                       |
+----------------------------------------------------------+

SELECT sys.ps_thread_account(sys.ps_thread_id(2042));
+-----------------------------------------------+
| sys.ps_thread_account(sys.ps_thread_id(2042)) |
+-----------------------------------------------+
| NULL                                          |
+-----------------------------------------------+

SELECT sys.ps_thread_account(sys.ps_thread_id(NULL));
+-----------------------------------------------+
| sys.ps_thread_account(sys.ps_thread_id(NULL)) |
+-----------------------------------------------+
| msandbox@localhost                            |
+-----------------------------------------------+

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