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MySQL 5.7 Reference Manual  /  ...  /  The ps_setup_enable_thread() Procedure

26.4.4.11 The ps_setup_enable_thread() Procedure

Given a connection ID, enables Performance Schema instrumentation for the thread. Produces a result set indicating how many threads were enabled. Already enabled threads do not count.

Parameters
  • in_connection_id BIGINT: The connection 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.

Example

Enable a specific connection by its connection ID:

mysql> CALL ps_setup_enable_thread(225);
+------------------+
| summary          |
+------------------+
| Enabled 1 thread |
+------------------+

Enable the current connection:

mysql> CALL ps_setup_enable_thread(CONNECTION_ID());
+------------------+
| summary          |
+------------------+
| Enabled 1 thread |
+------------------+

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