ABAP Select data from SAP table ISDSLSDMRPREL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISDSLSDMRPREL table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to ISDSLSDMRPREL. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the ISDSLSDMRPREL table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_ISDSLSDMRPREL TYPE STANDARD TABLE OF ISDSLSDMRPREL,
      WA_ISDSLSDMRPREL TYPE ISDSLSDMRPREL,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <ISDSLSDMRPREL> TYPE ISDSLSDMRPREL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISDSLSDMRPREL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISDSLSDMRPREL
  INTO TABLE IT_ISDSLSDMRPREL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISDSLSDMRPREL
*  INTO TABLE @DATA(IT_ISDSLSDMRPREL2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_ISDSLSDMRPREL INDEX 1 INTO DATA(WA_ISDSLSDMRPREL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISDSLSDMRPREL ASSIGNING <ISDSLSDMRPREL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISDSLSDMRPREL>-MANDT = 1.
<ISDSLSDMRPREL>-DEBITMEMOREQUEST = 1.
<ISDSLSDMRPREL>-PRICINGPROCEDURESTEP = 1.
<ISDSLSDMRPREL>-PRICINGPROCEDURECOUNTER = 1.
<ISDSLSDMRPREL>-CONDITIONAPPLICATION = 1.

ENDLOOP.

LOOP AT IT_ISDSLSDMRPREL INTO WA_ISDSLSDMRPREL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISDSLSDMRPREL-CONDITIONTYPE, sy-vline,
  WA_ISDSLSDMRPREL-PRICINGDATETIME, sy-vline,
  WA_ISDSLSDMRPREL-PRICECONDITIONDETERMINATIONDTE, sy-vline,
  WA_ISDSLSDMRPREL-CONDITIONCALCULATIONTYPE, sy-vline,
  WA_ISDSLSDMRPREL-CONDITIONBASEVALUE, sy-vline,
  WA_ISDSLSDMRPREL-CONDITIONRATEVALUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISDSLSDMRPREL you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_ISDSLSDMRPREL TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_ISDSLSDMRPREL INTO WA_ISDSLSDMRPREL.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field DEBITMEMOREQUEST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISDSLSDMRPREL-DEBITMEMOREQUEST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISDSLSDMRPREL-DEBITMEMOREQUEST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CONDITIONQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISDSLSDMRPREL-CONDITIONQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISDSLSDMRPREL-CONDITIONQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CONDITIONSCALEBASISUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISDSLSDMRPREL-CONDITIONSCALEBASISUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISDSLSDMRPREL-CONDITIONSCALEBASISUNIT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ISDSLSDMRPREL_STR, 
MANDT TYPE STRING,
DEBITMEMOREQUEST TYPE STRING,
PRICINGPROCEDURESTEP TYPE STRING,
PRICINGPROCEDURECOUNTER TYPE STRING,
CONDITIONAPPLICATION TYPE STRING,
CONDITIONTYPE TYPE STRING,
PRICINGDATETIME TYPE STRING,
PRICECONDITIONDETERMINATIONDTE TYPE STRING,
CONDITIONCALCULATIONTYPE TYPE STRING,
CONDITIONBASEVALUE TYPE STRING,
CONDITIONRATEVALUE TYPE STRING,
CONDITIONCURRENCY TYPE STRING,
CONDITIONQUANTITY TYPE STRING,
CONDITIONQUANTITYUNIT TYPE STRING,
CONDITIONCATEGORY TYPE STRING,
CONDITIONISFORSTATISTICS TYPE STRING,
PRICINGSCALETYPE TYPE STRING,
ISRELEVANTFORACCRUAL TYPE STRING,
CNDNISRELEVANTFORINVOICELIST TYPE STRING,
CONDITIONORIGIN TYPE STRING,
ISGROUPCONDITION TYPE STRING,
CONDITIONRECORD TYPE STRING,
CONDITIONSEQUENTIALNUMBER TYPE STRING,
TAXCODE TYPE STRING,
WITHHOLDINGTAXCODE TYPE STRING,
CNDNROUNDINGOFFDIFFAMOUNT TYPE STRING,
CONDITIONAMOUNT TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
CONDITIONCONTROL TYPE STRING,
CONDITIONINACTIVEREASON TYPE STRING,
CONDITIONCLASS TYPE STRING,
PRCGPROCEDURECOUNTERFORHEADER TYPE STRING,
FACTORFORCONDITIONBASISVALUE TYPE STRING,
STRUCTURECONDITION TYPE STRING,
PERIODFACTORFORCNDNBASISVALUE TYPE STRING,
PRICINGSCALEBASIS TYPE STRING,
CONDITIONSCALEBASISVALUE TYPE STRING,
CONDITIONSCALEBASISUNIT TYPE STRING,
CONDITIONSCALEBASISCURRENCY TYPE STRING,
CNDNISRELEVANTFORINTCOBILLING TYPE STRING,
CONDITIONISMANUALLYCHANGED TYPE STRING,
CONDITIONISFORCONFIGURATION TYPE STRING,
VARIANTCONDITION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISDSLSDMRPREL_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_ISDSLSDMRPREL_STR-MANDT sy-vline 
WA_ISDSLSDMRPREL_STR-DEBITMEMOREQUEST sy-vline 
WA_ISDSLSDMRPREL_STR-PRICINGPROCEDURESTEP sy-vline 
WA_ISDSLSDMRPREL_STR-PRICINGPROCEDURECOUNTER sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONAPPLICATION sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONTYPE sy-vline 
WA_ISDSLSDMRPREL_STR-PRICINGDATETIME sy-vline 
WA_ISDSLSDMRPREL_STR-PRICECONDITIONDETERMINATIONDTE sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONCALCULATIONTYPE sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONBASEVALUE sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONRATEVALUE sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONCURRENCY sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONQUANTITY sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONQUANTITYUNIT sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONCATEGORY sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONISFORSTATISTICS sy-vline 
WA_ISDSLSDMRPREL_STR-PRICINGSCALETYPE sy-vline 
WA_ISDSLSDMRPREL_STR-ISRELEVANTFORACCRUAL sy-vline 
WA_ISDSLSDMRPREL_STR-CNDNISRELEVANTFORINVOICELIST sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONORIGIN sy-vline 
WA_ISDSLSDMRPREL_STR-ISGROUPCONDITION sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONRECORD sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONSEQUENTIALNUMBER sy-vline 
WA_ISDSLSDMRPREL_STR-TAXCODE sy-vline 
WA_ISDSLSDMRPREL_STR-WITHHOLDINGTAXCODE sy-vline 
WA_ISDSLSDMRPREL_STR-CNDNROUNDINGOFFDIFFAMOUNT sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONAMOUNT sy-vline 
WA_ISDSLSDMRPREL_STR-TRANSACTIONCURRENCY sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONCONTROL sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONINACTIVEREASON sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONCLASS sy-vline 
WA_ISDSLSDMRPREL_STR-PRCGPROCEDURECOUNTERFORHEADER sy-vline 
WA_ISDSLSDMRPREL_STR-FACTORFORCONDITIONBASISVALUE sy-vline 
WA_ISDSLSDMRPREL_STR-STRUCTURECONDITION sy-vline 
WA_ISDSLSDMRPREL_STR-PERIODFACTORFORCNDNBASISVALUE sy-vline 
WA_ISDSLSDMRPREL_STR-PRICINGSCALEBASIS sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONSCALEBASISVALUE sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONSCALEBASISUNIT sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONSCALEBASISCURRENCY sy-vline 
WA_ISDSLSDMRPREL_STR-CNDNISRELEVANTFORINTCOBILLING sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONISMANUALLYCHANGED sy-vline 
WA_ISDSLSDMRPREL_STR-CONDITIONISFORCONFIGURATION sy-vline 
WA_ISDSLSDMRPREL_STR-VARIANTCONDITION sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.