I haveethe query
INSERT INTO object_locations (type,room_id,pdu_id,x_coord,y_coord) VALUES ('pdu',3,3,299,116) ON DUPLICATE KEY UPDATE x_coord = 299,y_coord = 116
When I run it,
why is a record INSERTed when their is a PK (pdu_id) of 3 in the table? Shouldnt it UPDATE?