ftSmallint

ftSmallint = 2

Example

function IsSignedInt16(Field: TField): Boolean;
begin
  Result := Field.DataType = ftSmallint;
end;

Usage

ftSmallint identifies a signed 16-bit integer field with range -32,768 through 32,767.

Additional Technical Info

ftSmallint is declaration ordinal 2 of TFieldType. It identifies signed 16-bit values -32,768..32,767.

Validate range before narrowing from Integer/Int64/decimal/text input and preserve Null separately. The enum does not define database column constraints or overflow handling; never depend on truncation/wraparound.

The example only inspects metadata and was source-reviewed; no conversion/dataset/database/runtime/image test ran.

Created 2026-07-15