     case Replace = "REPLACE"
 }
 
+// TODO: doc
 public enum SQLColumnType : String {
     case Text = "TEXT"
     case Integer = "INTEGER"

    case Datetime = "DATETIME"
}

public enum SQLForeignKeyAction : String {
    case Cascade = "CASCADE"
    case Restrict = "RESTRICT"

    }
}

// TODO: doc
public enum SQLOrdering : String {
    case Asc = "ASC"
    case Desc = "DESC"
}

// TODO: doc
public enum SQLCollation : String {
    case Binary = "BINARY"
    case Nocase = "NOCASE"
    case Rtrim = "RTRIM"
}

// TODO: doc
public enum SQLConflictResolution : String {
    case Rollback = "ROLLBACK"
    case Abort = "ABORT"
