primary
Whether this field is a primary key.
Set to true for primary key fields. For composite keys, mark all key fields with primaryKey = true.
Examples:
@DbField(primaryKey = true)
var id: Int = 0
// Composite key
@DbField(primaryKey = true) var orderId: Int
@DbField(primaryKey = true) var productId: IntContent copied to clipboard
Return
true if this is a primary key field, false otherwise (default)