ABAP Select data from SAP table PEPFORAUTHZDUSER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PEPFORAUTHZDUSER
*  INTO TABLE @DATA(IT_PEPFORAUTHZDUSER2).
*--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_PEPFORAUTHZDUSER INDEX 1 INTO DATA(WA_PEPFORAUTHZDUSER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PEPFORAUTHZDUSER>-MANDT = 1.
<PEPFORAUTHZDUSER>-ENGAGEMENTPROJECTUUID = 1.
<PEPFORAUTHZDUSER>-ENGAGEMENTPROJECT = 1.
<PEPFORAUTHZDUSER>-PROJECTSTARTDATE = 1.
<PEPFORAUTHZDUSER>-PROJECTENDDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PEPFORAUTHZDUSER-LASTCHANGEDATETIME, sy-vline,
  WA_PEPFORAUTHZDUSER-CUSTOMER, sy-vline,
  WA_PEPFORAUTHZDUSER-ENGAGEMENTPROJECTSERVICEORG, sy-vline,
  WA_PEPFORAUTHZDUSER-CURRENCY, sy-vline,
  WA_PEPFORAUTHZDUSER-ENGAGEMENTPROJFINPLANUUID, sy-vline,
  WA_PEPFORAUTHZDUSER-ENGMNTPROJREVIEWYEARPERIOD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PEPFORAUTHZDUSER 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_PEPFORAUTHZDUSER 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_PEPFORAUTHZDUSER INTO WA_PEPFORAUTHZDUSER.


*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 CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PEPFORAUTHZDUSER-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEPFORAUTHZDUSER-CUSTOMER.
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_PEPFORAUTHZDUSER_STR, 
MANDT TYPE STRING,
ENGAGEMENTPROJECTUUID TYPE STRING,
ENGAGEMENTPROJECT TYPE STRING,
PROJECTSTARTDATE TYPE STRING,
PROJECTENDDATE TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
CUSTOMER TYPE STRING,
ENGAGEMENTPROJECTSERVICEORG TYPE STRING,
CURRENCY TYPE STRING,
ENGAGEMENTPROJFINPLANUUID TYPE STRING,
ENGMNTPROJREVIEWYEARPERIOD TYPE STRING,
ENGAGEMENTPROJECTREVIEWSTATUS TYPE STRING,
ENGAGEMENTPROJECTTYPE TYPE STRING,
ENGAGEMENTPROJECTCATEGORY TYPE STRING,
ENGAGEMENTPROJECTSTAGE TYPE STRING,
CURRENTYEARPERIOD TYPE STRING,
ISMYPROJECT TYPE STRING,
PROJECTVISIBILITY TYPE STRING,
PROJECTMANAGER TYPE STRING,
PROJECTMANAGERNAME TYPE STRING,
PROJECTMANAGEREXTERNALID TYPE STRING,
PROJECTACCOUNTANT TYPE STRING,
PROJECTACCOUNTANTNAME TYPE STRING,
PROJECTACCOUNTANTEXTERNALID TYPE STRING,
PROJECTCONTROLLER TYPE STRING,
PROJECTCONTROLLERNAME TYPE STRING,
PROJECTCONTROLLEREXTERNALID TYPE STRING,
PROJECTPARTNER TYPE STRING,
PROJECTPARTNERNAME TYPE STRING,
PROJECTPARTNEREXTERNALID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PEPFORAUTHZDUSER_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_PEPFORAUTHZDUSER_STR-MANDT sy-vline 
WA_PEPFORAUTHZDUSER_STR-ENGAGEMENTPROJECTUUID sy-vline 
WA_PEPFORAUTHZDUSER_STR-ENGAGEMENTPROJECT sy-vline 
WA_PEPFORAUTHZDUSER_STR-PROJECTSTARTDATE sy-vline 
WA_PEPFORAUTHZDUSER_STR-PROJECTENDDATE sy-vline 
WA_PEPFORAUTHZDUSER_STR-LASTCHANGEDATETIME sy-vline 
WA_PEPFORAUTHZDUSER_STR-CUSTOMER sy-vline 
WA_PEPFORAUTHZDUSER_STR-ENGAGEMENTPROJECTSERVICEORG sy-vline 
WA_PEPFORAUTHZDUSER_STR-CURRENCY sy-vline 
WA_PEPFORAUTHZDUSER_STR-ENGAGEMENTPROJFINPLANUUID sy-vline 
WA_PEPFORAUTHZDUSER_STR-ENGMNTPROJREVIEWYEARPERIOD sy-vline 
WA_PEPFORAUTHZDUSER_STR-ENGAGEMENTPROJECTREVIEWSTATUS sy-vline 
WA_PEPFORAUTHZDUSER_STR-ENGAGEMENTPROJECTTYPE sy-vline 
WA_PEPFORAUTHZDUSER_STR-ENGAGEMENTPROJECTCATEGORY sy-vline 
WA_PEPFORAUTHZDUSER_STR-ENGAGEMENTPROJECTSTAGE sy-vline 
WA_PEPFORAUTHZDUSER_STR-CURRENTYEARPERIOD sy-vline 
WA_PEPFORAUTHZDUSER_STR-ISMYPROJECT sy-vline 
WA_PEPFORAUTHZDUSER_STR-PROJECTVISIBILITY sy-vline 
WA_PEPFORAUTHZDUSER_STR-PROJECTMANAGER sy-vline 
WA_PEPFORAUTHZDUSER_STR-PROJECTMANAGERNAME sy-vline 
WA_PEPFORAUTHZDUSER_STR-PROJECTMANAGEREXTERNALID sy-vline 
WA_PEPFORAUTHZDUSER_STR-PROJECTACCOUNTANT sy-vline 
WA_PEPFORAUTHZDUSER_STR-PROJECTACCOUNTANTNAME sy-vline 
WA_PEPFORAUTHZDUSER_STR-PROJECTACCOUNTANTEXTERNALID sy-vline 
WA_PEPFORAUTHZDUSER_STR-PROJECTCONTROLLER sy-vline 
WA_PEPFORAUTHZDUSER_STR-PROJECTCONTROLLERNAME sy-vline 
WA_PEPFORAUTHZDUSER_STR-PROJECTCONTROLLEREXTERNALID sy-vline 
WA_PEPFORAUTHZDUSER_STR-PROJECTPARTNER sy-vline 
WA_PEPFORAUTHZDUSER_STR-PROJECTPARTNERNAME sy-vline 
WA_PEPFORAUTHZDUSER_STR-PROJECTPARTNEREXTERNALID sy-vline      INTO ld_text SEPARATED BY SPACE.

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