The two men began arguing around 12:20 a.m. at the restaurant at 11th Avenue and C Street, San Diego police Sgt. L. Taylor said.
At one point during the altercation, one man stabbed the other in his arm, Taylor said.
The victim was taken to a hospital to be treated for the non-life- threatening stab wound, Taylor said. His attacker got away.
Although police did not disclose a suspect description, Taylor said the suspect’s identity was known.