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<h2>BDE API Examples (DbiOpenFieldList)</h2>
Creates an in-memory table listing the fields in a specified table and their descriptions.

<hr size=2 noshade>
<h3>Display logical or physical field types for a table</H3>
 This example uses the following input:<BR> <I>fDbiOpenFieldList(Table1, True, Memo1.Lines);</I><BR>

<PRE>procedure fDbiOpenFieldList(Table: TTable; Physical: Boolean; List: TStrings);

function BDEFieldIntToStr(FieldType: word): string;
begin
  case FieldType of
    fldUNKNOWN: result := 'unknown';
    fldZSTRING: result := 'string';               { Null terminated string }
    fldDATE: result := 'date';                    { Date     (32 bit) }
    fldBLOB: result := 'BLOb';                    { Blob }
    fldBOOL: result := 'boolean';                 { Boolean  (16 bit) }
    fldINT16: result := 'integer';                { 16 bit signed number }
    fldINT32: result := 'long integer';           { 32 bit signed number }
    fldFLOAT: result := 'float';                  { 64 bit floating point }
    fldBCD: result := 'BCD';                      { BCD }
    fldBYTES: result := 'bytes';                  { Fixed number of bytes }
    fldTIME: result := 'time';                    { Time        (32 bit) }
    fldTIMESTAMP: result := 'timestamp';          { Time-stamp  (64 bit) }
    fldUINT16: result := 'unsigned int';          { Unsigned 16 bit integer }
    fldUINT32: result := 'unsigned long int';     { Unsigned 32 bit integer }
    fldFLOATIEEE: result := 'float IEEE';         { 80-bit IEEE float }
    fldVARBYTES: result := 'varbytes';            { Length prefixed var bytes }
    fldLOCKINFO: result := 'lockinfo';            { Look for LOCKINFO typedef }
    fldCURSOR: result := 'Oracle cursor';         { For Oracle Cursor type }

    { Paradox types (Physical) }
    fldPDXCHAR: result := 'alpha';                { Alpha    (string) }
    fldPDXNUM: result := 'numeric';               { Numeric }
    fldPDXMONEY: result := 'money';               { Money }
    fldPDXDATE: result := 'date';                 { Date }
    fldPDXSHORT: result := 'smallint';            { Short }
    fldPDXMEMO: result := 'Memo BLOb';            { Text Memo       (blob) }
    fldPDXBINARYBLOB: result := 'Binary BLOb';    { Binary data     (blob) }
    fldPDXFMTMEMO: result := 'formatted BLOb';    { Formatted text  (blob) }
    fldPDXOLEBLOB: result := 'OLE BLOb';          { OLE object      (blob) }
    fldPDXGRAPHIC: result := 'Graphic BLOb';      { Graphics object (blob) }
    fldPDXLONG: result := 'long integer';         { Long }
    fldPDXTIME: result := 'time';                 { Time }
    fldPDXDATETIME: result := 'date time';        { Time Stamp }
    fldPDXBOOL: result := 'boolean';              { Logical }
    fldPDXAUTOINC: result := 'auto increment';    { Auto increment (long) }
    fldPDXBYTES: result := 'bytes';               { Fixed number of bytes }
    fldPDXBCD: result := 'BCD';                   { BCD (32 digits) }

    { xBASE types (Physical) }
    fldDBCHAR: result := 'character';             { Char string }
    fldDBNUM: result := 'number';                 { Number }
    fldDBMEMO: result := 'Memo BLOb';             { Memo          (blob) }
    fldDBBOOL: result := 'logical';               { Logical }
    fldDBDATE: result := 'date';                  { Date }
    fldDBFLOAT: result := 'float';                { Float }
    fldDBLOCK: result := 'LOCKINFO';              { Logical type is LOCKINFO }
    fldDBOLEBLOB: result := 'OLE BLOb';           { OLE object    (blob) }
    fldDBBINARY: result := 'Binary BLOb';         { Binary data   (blob) }
    fldDBBYTES: result := 'bytes';                { Only for TEMPORARY tables }
    fldDBLONG: result := 'long integer';          { Long (Integer) }
    fldDBDATETIME: result := 'date time';         { Time Stamp }
    fldDBDOUBLE: result := 'double';              { Double }
    fldDBAUTOINC: result := 'aut increment';      { Auto increment (long) }
  else
    Result := 'not found';
  end;
end;

var
  hFieldCur: hDBICur;
  rslt: DBIResult;
  Field: FLDDesc;

begin
  List.Clear;
  Check(DbiOpenFieldList(Table.DBHandle, PChar(Table.TableName), nil,
                Physical, hFieldCur));
  repeat
    rslt := DbiGetNextRecord(hFieldCur, dbiNOLOCK, @Field, nil);
    if rslt = DBIERR_NONE then
    begin
      List.Add(Format('Field #%d) Name:%s Type:%s', [Field.iFldNum,
                Field.szName, BDEFieldIntToStr(Field.iFldType)]));
    end;
  until rslt <> DBIERR_NONE;
end;</PRE>
<!-- SF, Dec 3rd, 97 -->


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