fieldtypeclasses

const fieldtypeclasses: array [fieldclasstypety] of fieldclassty = (tfield, tstringfield, tguidfield, tnumericfield, tlongintfield, tlargeintfield, tsmallintfield, twordfield, tautoincfield, tfloatfield, tcurrencyfield, tbooleanfield, tdatetimefield, tdatefield, ttimefield, tbinaryfield, tbytesfield, tvarbytesfield, tbcdfield, tblobfield, tmemofield, tgraphicfield, tvariantfield);