TIndexOption = (
  ixPrimary,
  ixUnique,
  ixDescending,
  ixCaseInsensitive,
  ixExpression,
  ixNonMaintained
);

enum TIndexOption {
  ixPrimary,
  ixUnique,
  ixDescending,
  ixCaseInsensitive,
  ixExpression,
  ixNonMaintained
};