MySQL 8.3.0
Source Code Documentation
LOCAL INFILE Data

If the client has data to send, it sends in one or more non-empty packets AS IS followed by a empty packet.

If the file is empty or there is a error while reading the file only the empty packet is sent.

Payload
TypeNameDescription
string<EOF> file content raw file data
See also
handle_local_infile, mysql_set_local_infile_handler, net_request_file, Sql_cmd_load_table::execute_inner