Description
Return the contents of a table in the report resultset of the report that was last run with method openReport.
Parameters
| icComponentName | input | character | |
| icReportName | input | character | |
| icTableName | input | character | |
| iiBatchSize | input | integer | |
| ohTable | output | handle | |
| olMoreTableDataAvailable | output | logical | |
| oiReturnStatus | output | integer | Return status of the method. |
Internal usage
BLF
program code (program8/bgenericreportadapter.p)
olMoreTableDataAvailable = FALSE.
/* Retrieve the correct tDatasetInfo record */
FIND FIRST tDatasetInfo WHERE tDatasetInfo.tcComponentName = icComponentName
AND tDatasetInfo.tcReportName = icReportName
AND tDatasetInfo.tcTableName = icTableName NO-LOCK NO-ERROR.
IF NOT AVAILABLE tDatasetInfo THEN
DO:
<M-1 run SetMessage
(input #T-1'The specified component, report, table combination is not available':100(5122)T-1# (icMessage),
input '' (icArguments),
input '' (icFieldName),
input '' (icFieldValue),
input 'E' (icType),
input 2 (iiSeverity),
input '' (icRowid),
input 'BLF-108':U (icFcMsgNumber),
input #T-2'There was no dataset record found for the specified component, report and table':150(5123)T-2# (icFcExplanation),
input '' (icFcIdentification),
input '' (icFcContext),
output oiReturnStatus (oiReturnStatus)) in BGenericReportAdapter>
oiReturnStatus = -1.
RETURN.
END.
/* Prepare the output table */
CREATE TEMP-TABLE ohTable in widget-pool "non-persistent".
ohTable:CLEAR().
ohTable:CREATE-LIKE(tDatasetInfo.thDatasetRef:GET-BUFFER-HANDLE(icTableName):TABLE-HANDLE).
ohTable:TEMP-TABLE-PREPARE(icTableName).
IF tDatasetInfo.tlTableAvailable = TRUE THEN
DO:
/* If there is not already a query open for this table create one */
IF NOT VALID-HANDLE(tDatasetInfo.thQuery) THEN
DO:
CREATE QUERY tDatasetInfo.thQuery in widget-pool "non-persistent".
tDatasetInfo.thQuery:SET-BUFFERS(tDatasetInfo.thDatasetRef:GET-BUFFER-HANDLE(icTableName)).
tDatasetInfo.thQuery:QUERY-PREPARE("FOR EACH ":U + icTableName).
tDatasetInfo.thQuery:QUERY-OPEN().
END.
/* Initialize the number of rows retrieved = 0 */
viNumRows = 0.
do while true:
/* Get the next record from the result dataset */
tDatasetInfo.thQuery:GET-NEXT().
/* If there is not more data then close the query and set the tableAvailable flag and the output
flag to FALSE */
IF tDatasetInfo.thQuery:QUERY-OFF-END THEN
DO:
tDatasetInfo.tlTableAvailable = FALSE.
tDatasetInfo.thQuery:QUERY-CLOSE().
DELETE OBJECT tDatasetInfo.thQuery NO-ERROR.
olMoreTableDataAvailable = FALSE.
LEAVE.
END.
/* Add the retrieved row to the output table */
ohTable:DEFAULT-BUFFER-HANDLE:BUFFER-CREATE().
ohTable:DEFAULT-BUFFER-HANDLE:BUFFER-COPY(tDatasetInfo.thQuery:GET-BUFFER-HANDLE(1)).
viNumRows = viNumRows + 1.
/* If the batchsize number of rows is > 0 (a batch size of 0 indicates that all rows should be
retrieved) and the correct number of rows have now been retrieved then set the output flag to
TRUE and leave */
IF iiBatchSize > 0 AND (viNumRows = iiBatchSize) THEN
DO:
/* Check is there anymore data to retrieve */
tDatasetInfo.thQuery:GET-NEXT().
/* If there is not more data then close the query and set the tableAvailable flag and the output
flag to FALSE */
IF tDatasetInfo.thQuery:QUERY-OFF-END THEN
DO:
tDatasetInfo.tlTableAvailable = FALSE.
tDatasetInfo.thQuery:QUERY-CLOSE().
DELETE OBJECT tDatasetInfo.thQuery NO-ERROR.
olMoreTableDataAvailable = FALSE.
LEAVE.
END.
ELSE
DO:
/* Put the cursor back to where it was and set the
olMoreTableDataAvailable flag to TRUE */
tDatasetInfo.thQuery:GET-PREV().
olMoreTableDataAvailable = TRUE.
LEAVE.
END.
END.
END.
END.