ABAP Select data from SAP table ISDBILDOCREQPE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISDBILDOCREQPE 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 ISDBILDOCREQPE. 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 ISDBILDOCREQPE 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_ISDBILDOCREQPE TYPE STANDARD TABLE OF ISDBILDOCREQPE,
      WA_ISDBILDOCREQPE TYPE ISDBILDOCREQPE,
      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: <ISDBILDOCREQPE> TYPE ISDBILDOCREQPE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISDBILDOCREQPE
*  INTO TABLE @DATA(IT_ISDBILDOCREQPE2).
*--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_ISDBILDOCREQPE INDEX 1 INTO DATA(WA_ISDBILDOCREQPE2).


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

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

ENDLOOP.

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

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


*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 BILLINGDOCUMENTREQUEST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISDBILDOCREQPE-BILLINGDOCUMENTREQUEST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISDBILDOCREQPE-BILLINGDOCUMENTREQUEST.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field CONDITIONRATERATIOUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISDBILDOCREQPE-CONDITIONRATERATIOUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISDBILDOCREQPE-CONDITIONRATERATIOUNIT.
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_ISDBILDOCREQPE_STR, 
MANDT TYPE STRING,
BILLINGDOCUMENTREQUEST 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,
CONDITIONRATEAMOUNT TYPE STRING,
CONDITIONBASEAMOUNT TYPE STRING,
CONDITIONBASEQUANTITY TYPE STRING,
CONDITIONRATERATIO TYPE STRING,
CONDITIONRATERATIOUNIT TYPE STRING,
CONDITIONSCALEBASEAMOUNT TYPE STRING,
CONDITIONSCALEBASEQUANTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISDBILDOCREQPE_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_ISDBILDOCREQPE_STR-MANDT sy-vline 
WA_ISDBILDOCREQPE_STR-BILLINGDOCUMENTREQUEST sy-vline 
WA_ISDBILDOCREQPE_STR-PRICINGPROCEDURESTEP sy-vline 
WA_ISDBILDOCREQPE_STR-PRICINGPROCEDURECOUNTER sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONAPPLICATION sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONTYPE sy-vline 
WA_ISDBILDOCREQPE_STR-PRICINGDATETIME sy-vline 
WA_ISDBILDOCREQPE_STR-PRICECONDITIONDETERMINATIONDTE sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONCALCULATIONTYPE sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONBASEVALUE sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONRATEVALUE sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONCURRENCY sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONQUANTITY sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONQUANTITYUNIT sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONCATEGORY sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONISFORSTATISTICS sy-vline 
WA_ISDBILDOCREQPE_STR-PRICINGSCALETYPE sy-vline 
WA_ISDBILDOCREQPE_STR-ISRELEVANTFORACCRUAL sy-vline 
WA_ISDBILDOCREQPE_STR-CNDNISRELEVANTFORINVOICELIST sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONORIGIN sy-vline 
WA_ISDBILDOCREQPE_STR-ISGROUPCONDITION sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONRECORD sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONSEQUENTIALNUMBER sy-vline 
WA_ISDBILDOCREQPE_STR-TAXCODE sy-vline 
WA_ISDBILDOCREQPE_STR-WITHHOLDINGTAXCODE sy-vline 
WA_ISDBILDOCREQPE_STR-CNDNROUNDINGOFFDIFFAMOUNT sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONAMOUNT sy-vline 
WA_ISDBILDOCREQPE_STR-TRANSACTIONCURRENCY sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONCONTROL sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONINACTIVEREASON sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONCLASS sy-vline 
WA_ISDBILDOCREQPE_STR-PRCGPROCEDURECOUNTERFORHEADER sy-vline 
WA_ISDBILDOCREQPE_STR-FACTORFORCONDITIONBASISVALUE sy-vline 
WA_ISDBILDOCREQPE_STR-STRUCTURECONDITION sy-vline 
WA_ISDBILDOCREQPE_STR-PERIODFACTORFORCNDNBASISVALUE sy-vline 
WA_ISDBILDOCREQPE_STR-PRICINGSCALEBASIS sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONSCALEBASISVALUE sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONSCALEBASISUNIT sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONSCALEBASISCURRENCY sy-vline 
WA_ISDBILDOCREQPE_STR-CNDNISRELEVANTFORINTCOBILLING sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONISMANUALLYCHANGED sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONISFORCONFIGURATION sy-vline 
WA_ISDBILDOCREQPE_STR-VARIANTCONDITION sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONRATEAMOUNT sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONBASEAMOUNT sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONBASEQUANTITY sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONRATERATIO sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONRATERATIOUNIT sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONSCALEBASEAMOUNT sy-vline 
WA_ISDBILDOCREQPE_STR-CONDITIONSCALEBASEQUANTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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