The following is some of the previously seen something about SAP ABAP program performance optimization As You All Know, IT IMPORTANT TO USE AS MANY KEY FIELDS AS POSSIBLE IN WHERE CLAUSES OF SELECT Statements. Sometimes You Are Not Sure About The Value of Some Key Fields . They seem to be empty (Initial value) but you are afraid to use this in your ABAP coding.Using the option GE (greater equal) in your coding can improve your performance considerably without the risk of table lines not being selected.About WHERE Code: Report ZZBM_SELECT_1.
TABLES: S001.
Constants: ssour_ini like s001-ssour value is initial,
VRSIO_INI LIKE S001-VRSIO VALUE IS INITIAL,
SPMON_INI LIKE S001-SPMON VALUE IS INITIAL,
SPTAG_INI LIKE S001-SPTAG VALUE IS INITIAL,
SPWOC_INI LIKE S001-SPWOC VALUE IS INITIAL,
SPBUP_INI LIKE S001-SPBUP VALUE IS INITIAL.
Data: TA_S001 Type Standard Table of S001.
DATA: WA_S001 TYPE S001.
SELECT-OPTIONS:
SO_SPTAG for S001-SPTAG OBLIGATORY,
SO_Kunnr for S001-Kunnr Obligatory,
SO_VKORG for S001-Vkorg Obligatory,
SO_VTWEG for S001-Vtweg Obligatory,
SO_SPART for S001-Spart Obligatory,
SO_MATNR for S001-Matnr Obligatory.
Start-of-selection.
SELECT * from FROM S001
INTO TABLE TA_S001
WHERE SSOUR GE SSOUR_INI "Greater Equal Initial Value
And vrsio ge vrsio_ini "IDEM
And SPMON GE SPMON_INI "IDEM
And SPTAG in SO_SPTAG
And SPWOC GE SPWOC_INI "IDEM
And spbup gespbup_ini "IDEM
And kunnr in so_kunnr
And vkorg in so_vkorg
And vtweg in so_vtweg
And Spart in SO_SPART
And matnr in so_matnr.about delete code: * --- d01k919273 begin delete
* --- Delete Deliveries Not to Be Processed
* loop at TH_VBUK.
* Delete TH_VLPMA WHERE VBELN EQ TH_VBUK-VBELN.
* endloop. "TH_VBUK.
* --- D01k919273 End delete
* --- Begin Add d01k919273
LOOP AT TH_VLPMA INTO TH_VLPMATMP.
Read Table TH_VBUK with Key Vbeln = TH_VLPMATMP-VBELN
Binary Search.
Check SY-SUBRC NE 0.
Append TH_VLPMATMP.
Endloop.
* --- End add d01k919273
