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MySQL 5.7 Reference Manual
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26.4.5.15 The ps_thread_id() Function

Returns the Performance Schema thread ID for a given connection ID, or the thread ID for the current connection if the connection ID is NULL.

Parameters
  • in_connection_id BIGINT UNSIGNED: The ID of the connection for which to return the thread ID. This is a connection ID as given in the PROCESSLIST_ID column of the Performance Schema threads table or the Id column of SHOW PROCESSLIST output.

Return Value

A BIGINT UNSIGNED value.

Example
mysql> SELECT ps_thread_id(260);
+-------------------+
| ps_thread_id(260) |
+-------------------+
|               285 |
+-------------------+

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