TSQLConnection.AddFieldDef

protected function TSQLConnection.AddFieldDef(

  AFieldDefs: TFieldDefs;

  AFieldNo: LongInt;

  const AName: string;

  ADataType: TFieldType;

  ASize: Integer;

  APrecision: Integer;

  AByteSize: Boolean;

  ARequired: Boolean;

  AReadOnly: Boolean

):TFieldDef;