|
View previous topic :: View next topic
|
| Author |
Message |
V S Amarendra Reddy
Active User
Joined: 13 Sep 2006
Posts: 216
Location: USA
|
|
|
|
Hi,
I have a variable length table defined as below.
20 WS-MS-TABLE OCCURS 0 TO 200 TIMES
DEPENDING ON WS-MS-CNT
INDEXED BY MSNDX.
30 WS-MS-START PIC X(10).
30 WS-MS-STOP PIC X(10).
Now in the code I am doing SEARCH as below. I have loaded the table for 2 occurrences.
SEARCH WS-MS-E-MKT-ARR VARYING ENDX
AT END NEXT SENTENCE
WHEN WS-MS-START (ENDX) <= '2012-06-08' CONTINUE
END-SEARCH.
But while debugging the code, I've observed that it is only checking on first occurrence and quitting the process.
Question is, can't we use SEARCH/ SEARCH ALL on varibale lengt Tables. Please clarify.
I've checked the cobol manual. It is given as below.
| Quote: |
To do serial searches, use SEARCH and indexing. For variable-length tables, you can
use PERFORM with subscripting or indexing |
Is he indirectly saying that we can't use SEARCH/SEARCH ALL for variable length tables? |
|
| Back to top |
|
 |
V S Amarendra Reddy
Active User
Joined: 13 Sep 2006
Posts: 216
Location: USA
|
|
|
|
Sorry, the SEARCH is coded as below.
| Code: |
SET MSNDX TO 1.
SEARCH WS-MS-TABLE VARYING MSNDX
AT END CONTINUE
WHEN WS-MS-START (MSNDX) = '2012-01-01'
GO TO XXXX-EXIT
END-SEARCH. |
|
|
| Back to top |
|
|
dbzTHEdinosauer
Global Moderator
Joined: 20 Oct 2006
Posts: 6966
Location: porcelain throne
|
|
|
|
do you populate WS-MS-CNT with 2 before your search?
what is the PIC clause of WS-MS-CNT? |
|
| Back to top |
|
|
Robert Sample
Global Moderator
Joined: 06 Jun 2008
Posts: 8697
Location: Dubuque, Iowa, USA
|
|
|
|
It's a PEBKAC error -- I tried searching a variable length table and COBOL did it just fine.
| Code: |
77 WS-TBL-COUNT PIC 9(03) VALUE 6.
01 WS-TABLE-TOP.
05 WS-TABLE OCCURS 0 TO 200
DEPENDING ON WS-TBL-COUNT
INDEXED BY WS-TBL-NDX.
19 WS-TBL-DATE PIC X(10).
19 WS-TBL-VALUE PIC X(01).
/
PROCEDURE DIVISION.
S1000-MAIN SECTION.
MOVE 6 TO WS-TBL-COUNT.
MOVE '2012-01-01' TO WS-TBL-DATE (1).
MOVE 'A' TO WS-TBL-VALUE (1).
MOVE '2012-03-01' TO WS-TBL-DATE (2).
MOVE 'C' TO WS-TBL-VALUE (2).
MOVE '2012-02-01' TO WS-TBL-DATE (3).
MOVE 'B' TO WS-TBL-VALUE (3).
MOVE '2012-04-01' TO WS-TBL-DATE (4).
MOVE 'D' TO WS-TBL-VALUE (4).
MOVE '2012-05-01' TO WS-TBL-DATE (5).
MOVE 'E' TO WS-TBL-VALUE (5).
MOVE '2012-06-01' TO WS-TBL-DATE (6).
MOVE 'F' TO WS-TBL-VALUE (6).
SET WS-TBL-NDX TO 1.
SEARCH WS-TABLE
AT END
DISPLAY 'NOT FOUND'
WHEN WS-TBL-DATE (WS-TBL-NDX) = '2012-05-01'
DISPLAY WS-TBL-VALUE (WS-TBL-NDX)
END-SEARCH. |
which produces results of
| Code: |
----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+---->
E |
exactly as expected. |
|
| Back to top |
|
|
V S Amarendra Reddy
Active User
Joined: 13 Sep 2006
Posts: 216
Location: USA
|
|
|
|
Hi dbzTHEdinosauer,
I have loaded WS-MS-CNT to 2.
HI Robert Sample,
Can you please tell what is PEBKAC error?
Regards
Amar |
|
| Back to top |
|
|
dbzTHEdinosauer
Global Moderator
Joined: 20 Oct 2006
Posts: 6966
Location: porcelain throne
|
|
| Back to top |
|
|
dbzTHEdinosauer
Global Moderator
Joined: 20 Oct 2006
Posts: 6966
Location: porcelain throne
|
|
|
|
| may as well tell us with what you are populating your table. |
|
| Back to top |
|
|
Robert Sample
Global Moderator
Joined: 06 Jun 2008
Posts: 8697
Location: Dubuque, Iowa, USA
|
|
|
|
1. Why are you using SEARCH ... VARYING?
2. If the SEARCH is checking only the first occurrence and quitting, then I think only three things can be going on:
(a) the value matched the search condition and went to the XXXX-EXIT paragraph, or
(b) your table OCCURS DEPENDING ON variable is set wrong and the AT END condition is being raised, or
(c) your VARYING variable is set wrong when the SEARCH starts and the AT END condition is being raised.
The other possibility is that your SEARCH is working fine but your use of your debugging tool (whatever it is) does not properly indicate this to you, either because you expect something that isn't happening, or you didn't expect the tool to do what it did. |
|
| Back to top |
|
|
V S Amarendra Reddy
Active User
Joined: 13 Sep 2006
Posts: 216
Location: USA
|
|
|
|
Hi Robert Sample,
I thinking I am doing point b).
I am first loading variable length table 1 and I am loading variable length table 2.
Now from variable length table 2 I am loading variable length table 1.
To perform this, I am simply moving ZERO to ODO clause of the first table and then started loading process. (Will this cause any problem?)
At end I am performing SEARCH on this table. Am I missing something?
Regards
Amar |
|
| Back to top |
|
|
Robert Sample
Global Moderator
Joined: 06 Jun 2008
Posts: 8697
Location: Dubuque, Iowa, USA
|
|
|
|
| Quote: |
| To perform this, I am simply moving ZERO to ODO clause of the first table and then started loading process. (Will this cause any problem?) |
It is quite possible that it will cause problems. Have you read section 1.4.5 Creating Variable-length tables (DEPENDING ON) in the COBOL Programming Guide manual?
For safety, you need to set the ODO object (MSNDX in your post) to the next value BEFORE moving anything to the table occurrence.
I don't think we can take this much further without seeing actual code. There's a lot of ways to misuse and otherwise mess up ODO tables. |
|
| Back to top |
|
|
dbzTHEdinosauer
Global Moderator
Joined: 20 Oct 2006
Posts: 6966
Location: porcelain throne
|
|
|
|
the ODO object (item counter) must be populated prior
to a SEARCH or SEARCH ALL
or any PERFORM VARYING ... UNTIL > item-counter
to populate a table via an INDEX BY indentifier
you must SET the INDEX to the appropriate value before referencing.
simple rules, follow them and you will have little problem with ODO structures. |
|
| Back to top |
|
|
|
|
