It happened around 3:25 a.m. Tuesday outside John's Roast Pork on Snyder Avenue.
Police said the 20-year-old victim was shot in the foot.
She was taken to the hospital in stable condition.
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Man wanted for firing shots at Pat's Steaks
Police found two shell casings at the scene.
Caution tape was put up around the eatery's outdoor picnic tables.
Investigators are continuing to look for the shooter.