Initializer

init(table:columns:onDelete:onUpdate:)

Create a foreign key specification.

init(table: any SQLExpression, columns: [any SQLExpression], onDelete: (any SQLExpression)?, onUpdate: (any SQLExpression)?)

Parameters

table: The table to reference.
columns: One or more columns to reference.
onDelete: An optional action to take when referenced rows are deleted.
onUpdate: An optional action to take when referenced rows are updated.