SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function generateSnowflakeID (alias snowflake) (children 1)
     ExpressionList
   ExpressionList (children 2)
    Function snowflakeIDToDateTime (children 1)
     ExpressionList (children 1)
      Identifier snowflake
    Function snowflakeIDToDateTime64 (children 1)
     ExpressionList (children 1)
      Identifier snowflake
 Identifier Null