/*  ----------------------------------------------------------  */
/*  openQuery mit Filter-Setzen                                 */
/*  ----------------------------------------------------------  */

DEFINE VARIABLE x1        AS INTEGER   NO-UNDO.
DEFINE VARIABLE x2        AS INTEGER   NO-UNDO.
DEFINE VARIABLE xFileName AS CHARACTER NO-UNDO.
DEFINE VARIABLE hFeld     AS HANDLE    NO-UNDO.
DEFINE VARIABLE hqBuffer  AS HANDLE    NO-UNDO.
DEFINE VARIABLE cWert     AS CHARACTER NO-UNDO.
DEFINE VARIABLE yWhere    AS CHARACTER NO-UNDO.

IF cSort <> '' THEN 
DO:
    DO x1 = 1 TO NUM-ENTRIES(cSort, ','):
        xSort = xSort + ' BY ' + ENTRY(x1, cSort, ',').
        IF fDesc THEN xSort = xSort + ' DESCENDING'.
    END.
    xSort = TRIM(xSort).
END.

DO WHILE TRUE:
    IF cFilterFeld = '' THEN LEAVE.

    IF  xWhere       = '' AND
        xString      = '' THEN 
    DO:
        xFileName = ENTRY(1, Felder   , ',').
        xFileName = ENTRY(1, xFileName, '.').
        CREATE BUFFER hqBuffer FOR TABLE xFileName.
        x2 = 0.
        xString = SUBSTITUTE('FOR EACH &1 NO-LOCK ', xFileName ).
        DO x1 = 2 TO NUM-ENTRIES(Felder, ',') BY 2:
            cFeld = ENTRY(x1, Felder, ',').
            hFeld = hqBuffer:BUFFER-FIELD(cFeld).
            x2 = x2 + 1.
            CASE hFeld:DATA-TYPE:
                WHEN 'CHARACTER' THEN 
                    cWert = QUOTER(ENTRY(x2, Inhalt, CHR(01))).
                WHEN 'LOGICAL'   THEN 
                    cWert =        ENTRY(x2, Inhalt, CHR(01)) .
                WHEN 'INTEGER'   THEN 
                    cWert =        ENTRY(x2, Inhalt, CHR(01)) .
                WHEN 'DECIMAL'   THEN 
                    cWert =        ENTRY(x2, Inhalt, CHR(01)) .
                WHEN 'DATE'      THEN 
                    cWert =        ENTRY(x2, Inhalt, CHR(01)) .
                OTHERWISE             
                cWert =        ENTRY(x1, Inhalt, CHR(01)) .
            END CASE.
            IF x2 = 1 THEN xString = xString + ' WHERE ' + ENTRY(x1 - 1, Felder, ',') + ' = ' + cWert.
            ELSE           xString = xString + ' AND   ' + ENTRY(x1 - 1, Felder, ',') + ' = ' + cWert.
        END.
        DO x1 = 1 TO NUM-ENTRIES(cFilterFeld, ','):
            IF cFilterFeld = 'CLEAR' THEN LEAVE. 
            xString = xString + ' AND '.
            xString = xString + '{&Tabelle}.'
                + ENTRY(x1, cFilterFeld, ',')
                + ' = '
                + ENTRY(x1, cFilterWert, CHR(01))
                + ' '.
        END.
        xString = xString + ' INDEXED-REPOSITION '.
        DELETE OBJECT hqBuffer NO-ERROR.
        LEAVE.
    END.
    
    xFileName = '{&Tabelle}'.
    CREATE BUFFER hqBuffer FOR TABLE xFileName .
    yWhere = ''.
    DO x1 = 1 TO NUM-ENTRIES(cFilterFeld, ','):
        IF cFilterFeld = 'CLEAR' THEN LEAVE. 
        yWhere = yWhere
               + ' AND '
               + '{&Tabelle}.'
               + TRIM(ENTRY(x1, cFilterFeld, ','))
               + ' = '
               + ENTRY(x1, cFilterWert, CHR(01))
               + ' '.
    END.
    IF xWhere <> '' THEN 
    DO:
        xWhere = xWhere
               + yWhere.
        LEAVE.
    END.
    
    xString = TRIM(REPLACE(xString, 'NO-LOCK', '')).
    xString = TRIM(REPLACE(xString, 'INDEXED-REPOSITION', '')).
    xString = xString
        + yWhere
        + ' NO-LOCK INDEXED-REPOSITION '.

    LEAVE.
END.
IF VALID-HANDLE(hqBuffer) THEN DELETE OBJECT hqBuffer NO-ERROR.