ABAP Select data from SAP table PEPUNITACTREST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PEPUNITACTREST
*  INTO TABLE @DATA(IT_PEPUNITACTREST2).
*--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_PEPUNITACTREST INDEX 1 INTO DATA(WA_PEPUNITACTREST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PEPUNITACTREST>-MANDT = 1.
<PEPUNITACTREST>-ENGAGEMENTPROJECT = 1.
<PEPUNITACTREST>-ENGAGEMENTPROJFINPLANUUID = 1.
<PEPUNITACTREST>-ENGAGEMENTPROJECTSERVICEORG = 1.
<PEPUNITACTREST>-CUSTOMER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PEPUNITACTREST-ENGMNTPROJREVIEWYEARPERIOD, sy-vline,
  WA_PEPUNITACTREST-ENGAGEMENTPROJECTREVIEWSTATUS, sy-vline,
  WA_PEPUNITACTREST-ENGAGEMENTPROJECTTYPE, sy-vline,
  WA_PEPUNITACTREST-ENGAGEMENTPROJECTCATEGORY, sy-vline,
  WA_PEPUNITACTREST-ENGAGEMENTPROJECTSTAGE, sy-vline,
  WA_PEPUNITACTREST-CURRENTYEARPERIOD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PEPUNITACTREST 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_PEPUNITACTREST 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_PEPUNITACTREST INTO WA_PEPUNITACTREST.


*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_PEPUNITACTREST-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEPUNITACTREST-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PEPUNITACTREST-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEPUNITACTREST-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field ENGAGEMENTPROJECTRESOURCE
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PEPUNITACTREST-ENGAGEMENTPROJECTRESOURCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEPUNITACTREST-ENGAGEMENTPROJECTRESOURCE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field PROFITCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PEPUNITACTREST-PROFITCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEPUNITACTREST-PROFITCENTER.
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_PEPUNITACTREST_STR, 
MANDT TYPE STRING,
ENGAGEMENTPROJECT TYPE STRING,
ENGAGEMENTPROJFINPLANUUID TYPE STRING,
ENGAGEMENTPROJECTSERVICEORG TYPE STRING,
CUSTOMER TYPE STRING,
ENGMNTPROJREVIEWYEARPERIOD TYPE STRING,
ENGAGEMENTPROJECTREVIEWSTATUS TYPE STRING,
ENGAGEMENTPROJECTTYPE TYPE STRING,
ENGAGEMENTPROJECTCATEGORY TYPE STRING,
ENGAGEMENTPROJECTSTAGE TYPE STRING,
CURRENTYEARPERIOD TYPE STRING,
PROJECTMANAGEREXTERNALID TYPE STRING,
PROJECTACCOUNTANTEXTERNALID TYPE STRING,
PROJECTCONTROLLEREXTERNALID TYPE STRING,
PROJECTPARTNEREXTERNALID TYPE STRING,
PROJECTMANAGER TYPE STRING,
PROJECTACCOUNTANT TYPE STRING,
PROJECTCONTROLLER TYPE STRING,
PROJECTPARTNER TYPE STRING,
PROJECTMANAGERNAME TYPE STRING,
PROJECTACCOUNTANTNAME TYPE STRING,
PROJECTCONTROLLERNAME TYPE STRING,
PROJECTPARTNERNAME TYPE STRING,
ISMYPROJECT TYPE STRING,
WORKPACKAGE TYPE STRING,
WORKITEM TYPE STRING,
PLANVERSION TYPE STRING,
BASEUNIT TYPE STRING,
CURRENCY TYPE STRING,
FISCALYEAR TYPE STRING,
FISCALPERIOD TYPE STRING,
FISCALYEARPERIOD TYPE STRING,
ACTLEFFORTQTY TYPE STRING,
ENGAGEMENTPROJECTRESOURCE TYPE STRING,
ENGAGEMENTPROJECTRESOURCETYPE TYPE STRING,
BUSINESSTRANSACTIONTYPE TYPE STRING,
LEDGER TYPE STRING,
PROJECTVISIBILITY TYPE STRING,
PROJECTPROFILECODE TYPE STRING,
ENGMNTPROJECTHEADERCOMPANYCODE TYPE STRING,
ENGAGEMENTPROJECTCOSTCENTER TYPE STRING,
PROFITCENTER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PEPUNITACTREST_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_PEPUNITACTREST_STR-MANDT sy-vline 
WA_PEPUNITACTREST_STR-ENGAGEMENTPROJECT sy-vline 
WA_PEPUNITACTREST_STR-ENGAGEMENTPROJFINPLANUUID sy-vline 
WA_PEPUNITACTREST_STR-ENGAGEMENTPROJECTSERVICEORG sy-vline 
WA_PEPUNITACTREST_STR-CUSTOMER sy-vline 
WA_PEPUNITACTREST_STR-ENGMNTPROJREVIEWYEARPERIOD sy-vline 
WA_PEPUNITACTREST_STR-ENGAGEMENTPROJECTREVIEWSTATUS sy-vline 
WA_PEPUNITACTREST_STR-ENGAGEMENTPROJECTTYPE sy-vline 
WA_PEPUNITACTREST_STR-ENGAGEMENTPROJECTCATEGORY sy-vline 
WA_PEPUNITACTREST_STR-ENGAGEMENTPROJECTSTAGE sy-vline 
WA_PEPUNITACTREST_STR-CURRENTYEARPERIOD sy-vline 
WA_PEPUNITACTREST_STR-PROJECTMANAGEREXTERNALID sy-vline 
WA_PEPUNITACTREST_STR-PROJECTACCOUNTANTEXTERNALID sy-vline 
WA_PEPUNITACTREST_STR-PROJECTCONTROLLEREXTERNALID sy-vline 
WA_PEPUNITACTREST_STR-PROJECTPARTNEREXTERNALID sy-vline 
WA_PEPUNITACTREST_STR-PROJECTMANAGER sy-vline 
WA_PEPUNITACTREST_STR-PROJECTACCOUNTANT sy-vline 
WA_PEPUNITACTREST_STR-PROJECTCONTROLLER sy-vline 
WA_PEPUNITACTREST_STR-PROJECTPARTNER sy-vline 
WA_PEPUNITACTREST_STR-PROJECTMANAGERNAME sy-vline 
WA_PEPUNITACTREST_STR-PROJECTACCOUNTANTNAME sy-vline 
WA_PEPUNITACTREST_STR-PROJECTCONTROLLERNAME sy-vline 
WA_PEPUNITACTREST_STR-PROJECTPARTNERNAME sy-vline 
WA_PEPUNITACTREST_STR-ISMYPROJECT sy-vline 
WA_PEPUNITACTREST_STR-WORKPACKAGE sy-vline 
WA_PEPUNITACTREST_STR-WORKITEM sy-vline 
WA_PEPUNITACTREST_STR-PLANVERSION sy-vline 
WA_PEPUNITACTREST_STR-BASEUNIT sy-vline 
WA_PEPUNITACTREST_STR-CURRENCY sy-vline 
WA_PEPUNITACTREST_STR-FISCALYEAR sy-vline 
WA_PEPUNITACTREST_STR-FISCALPERIOD sy-vline 
WA_PEPUNITACTREST_STR-FISCALYEARPERIOD sy-vline 
WA_PEPUNITACTREST_STR-ACTLEFFORTQTY sy-vline 
WA_PEPUNITACTREST_STR-ENGAGEMENTPROJECTRESOURCE sy-vline 
WA_PEPUNITACTREST_STR-ENGAGEMENTPROJECTRESOURCETYPE sy-vline 
WA_PEPUNITACTREST_STR-BUSINESSTRANSACTIONTYPE sy-vline 
WA_PEPUNITACTREST_STR-LEDGER sy-vline 
WA_PEPUNITACTREST_STR-PROJECTVISIBILITY sy-vline 
WA_PEPUNITACTREST_STR-PROJECTPROFILECODE sy-vline 
WA_PEPUNITACTREST_STR-ENGMNTPROJECTHEADERCOMPANYCODE sy-vline 
WA_PEPUNITACTREST_STR-ENGAGEMENTPROJECTCOSTCENTER sy-vline 
WA_PEPUNITACTREST_STR-PROFITCENTER sy-vline      INTO ld_text SEPARATED BY SPACE.

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