Odd SQL Module Issue - Cursor runs repeatedly

I have a Procedure that returns the first 50 result rows in a DS. Once
I started testing this, I noticed that performance is incredibly slow,
where the actual SQL statement is quick to run.

When I went into debug mode, I noticed that is was running the SQL Open,
Select, and Fetch multiple times before returning the proper results.
(I don't know how many times, I stopped counting.) Just to be clear, I
step into the RETURN statement, then instead of returning to the calling
program, the next step is back up to the open SQL statement. Then it
runs again, and again, and again, then eventually after an unknown
number of runs, it returns my results.

I've even tried restructuring it to fetch one row at a time (up to 50
times) then returning, but I get the same goofy looping.

Any ideas what the heck is going on?

Thanks,
Brian


CODE:

H Nomain

* Include prototypes
/copy CSMMPROT

****************************
* Procedure - GetBulkOrders
****************************
* Get bulk order information for an customer/article

P GetBulkOrders b export

* Input Parameters
D GetBulkOrders pi 1650
D InArt 18 const
D InSize 5 const
D InCust 7 const
D InType 4 const
D OutDS DS occurs(50)
D OutOrdNum 6S 0
D OutOrdTyp 5
D OutOrdQty 5S 0
D OutRsvQty 5S 0
D OutPrcCd 3
D OutDelWk 7S 0
D OutWhse 2S 0

D OutInds DS occurs(50)
D OutIn 4b 0 dim(7)

D ElemNum S 2S 0
D FldName S 10
D FldName2 S 10

D sqlString S 1000
D sqlFirm S 4
D sqlArnr S 11
D sqlStof S 5
D sqlKlkd S 5



* Clear output

C clear OutDS



* Get Size Element Number and set Quantity Field Name (BH##51)

C eval ElemNum = GetSizeElem(InArt:InSize)

C eval FldName = 'BH' +

C %subst('0' + %char(ElemNum) :

C %len(%char(ElemNum))) + '51'

C eval FldName2 = 'RH' +

C %subst('0' + %char(ElemNum) :

C %len(%char(ElemNum))) + '51'



* Set SQL Statement String

C eval SqlString = *blanks

C eval SqlString =

C 'SELECT '
+
C ' ORNR51, TPOR51, ' + FldName + ', '
+
C FldName2 + ', PSKD51, GWLT51, MGNR51 '
+
C 'FROM COORDB inner join COORME on '
+
C ' firm51=firmme and ornr51=ornrme '
+
C ' inner join COORMB on '
+
C ' firm51=firm50 and ornr51=ornr50 '
+
C 'WHERE firm51 = ? and arnr51 = ? '
+
C ' and stof51 = ? and klkd51 = ? '
+
C ' and ' + FldName + ' <> 0 '
+
C ' and KLNR51 || '
+
C ' substring(FILLME,6,4) in '
+
C ' (SELECT DISTINCT STBULK || '
+
C ' substring(STBULT,1,4) '
+
C ' FROM COIPSTR '



* Close WHERE CLAUSE

C if InCust <> *blanks or InType <> *blanks

C eval SqlString = %trim(SqlString) +

C ' WHERE STBULK = ? and STBULT = ?) '

C else

C eval SqlString = %trim(SqlString) +

C ' ) '

C endif

* Set SQL ORDER BY
C eval SqlString = %trim(SqlString) +
C ' ORDER BY DTPK51 ASC, ORDT50 ASC '

* Prepare SQL Statement
c/exec sql
c+ prepare getRecords
c+ from :sqlString
c/end-exec

c/exec sql
c+ declare c1 cursor for getRecords
c/end-exec

* Set SQL Parameters
C eval sqlFirm = getFirm()
C eval sqlArnr = %subst(InArt:1:8)
C eval sqlStof = %subst(InArt:9:5)
C eval sqlKlkd = %subst(InArt:14:5)

C if InCust <> *blanks or InType <> *blanks
c/exec sql
c+ open c1
c+ using
c+ :sqlFirm,
c+ :sqlArnr,
c+ :sqlStof,
c+ :sqlKlkd,
c+ :InCust,
c+ :InType
c/end-exec

C else

c/exec sql
c+ open c1
c+ using
c+ :sqlFirm,
c+ :sqlArnr,
c+ :sqlStof,
c+ :sqlKlkd
c/end-exec

C endif

c/exec sql
c+ fetch next from c1 for 50 rows into :OutDS :OutInds
c/end-exec

c/exec sql
c+ close c1
c/end-exec

C return OutDS

P e


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