MySQL 8.0.39
Source Code Documentation
COM_STMT_RESET

COM_STMT_RESET resets the data of a prepared statement which was accumulated with COM_STMT_SEND_LONG_DATA commands and closes the cursor if it was opened with COM_STMT_EXECUTE.

The server will send a OK_Packet if the statement could be reset, a ERR_Packet if not.

Returns
OK_Packet or a ERR_Packet
Payload
TypeNameDescription
int<1> status [0x1A] COM_STMT_RESET
int<4> statement_id ID of the prepared statement to reset
Example
05 00 00 00 1a 01 00 00 00 .........
See also
mysql_stmt_reset, mysqld_stmt_reset, mysql_stmt_precheck