ABAP Select data from SAP table PEPROJUNITDATVER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PEPROJUNITDATVER
*  INTO TABLE @DATA(IT_PEPROJUNITDATVER2).
*--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_PEPROJUNITDATVER INDEX 1 INTO DATA(WA_PEPROJUNITDATVER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PEPROJUNITDATVER>-MANDT = 1.
<PEPROJUNITDATVER>-ENGAGEMENTPROJECT = 1.
<PEPROJUNITDATVER>-WORKPACKAGE = 1.
<PEPROJUNITDATVER>-ENGMTPROJFINPLANVERSION = 1.
<PEPROJUNITDATVER>-ENGAGEMENTPROJECTRESOURCETYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PEPROJUNITDATVER-ENGAGEMENTPROJECTRESOURCE, sy-vline,
  WA_PEPROJUNITDATVER-BILLINGCONTROLCATEGORY, sy-vline,
  WA_PEPROJUNITDATVER-ENGAGEMENTPROJECTSERVICEORG, sy-vline,
  WA_PEPROJUNITDATVER-CURRENCY, sy-vline,
  WA_PEPROJUNITDATVER-UNITOFMEASURE, sy-vline,
  WA_PEPROJUNITDATVER-PLNDCOSTAMT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PEPROJUNITDATVER 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_PEPROJUNITDATVER 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_PEPROJUNITDATVER INTO WA_PEPROJUNITDATVER.


*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 CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PEPROJUNITDATVER-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEPROJUNITDATVER-UNITOFMEASURE.
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_PEPROJUNITDATVER_STR, 
MANDT TYPE STRING,
ENGAGEMENTPROJECT TYPE STRING,
WORKPACKAGE TYPE STRING,
ENGMTPROJFINPLANVERSION TYPE STRING,
ENGAGEMENTPROJECTRESOURCETYPE TYPE STRING,
ENGAGEMENTPROJECTRESOURCE TYPE STRING,
BILLINGCONTROLCATEGORY TYPE STRING,
ENGAGEMENTPROJECTSERVICEORG TYPE STRING,
CURRENCY TYPE STRING,
UNITOFMEASURE TYPE STRING,
PLNDCOSTAMT TYPE STRING,
PLNDEFFORTQTY TYPE STRING,
PLNDREVNAMT TYPE STRING,
ENGMNTPROJPLANLINETYPE TYPE STRING,
ISUNITBASED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PEPROJUNITDATVER_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_PEPROJUNITDATVER_STR-MANDT sy-vline 
WA_PEPROJUNITDATVER_STR-ENGAGEMENTPROJECT sy-vline 
WA_PEPROJUNITDATVER_STR-WORKPACKAGE sy-vline 
WA_PEPROJUNITDATVER_STR-ENGMTPROJFINPLANVERSION sy-vline 
WA_PEPROJUNITDATVER_STR-ENGAGEMENTPROJECTRESOURCETYPE sy-vline 
WA_PEPROJUNITDATVER_STR-ENGAGEMENTPROJECTRESOURCE sy-vline 
WA_PEPROJUNITDATVER_STR-BILLINGCONTROLCATEGORY sy-vline 
WA_PEPROJUNITDATVER_STR-ENGAGEMENTPROJECTSERVICEORG sy-vline 
WA_PEPROJUNITDATVER_STR-CURRENCY sy-vline 
WA_PEPROJUNITDATVER_STR-UNITOFMEASURE sy-vline 
WA_PEPROJUNITDATVER_STR-PLNDCOSTAMT sy-vline 
WA_PEPROJUNITDATVER_STR-PLNDEFFORTQTY sy-vline 
WA_PEPROJUNITDATVER_STR-PLNDREVNAMT sy-vline 
WA_PEPROJUNITDATVER_STR-ENGMNTPROJPLANLINETYPE sy-vline 
WA_PEPROJUNITDATVER_STR-ISUNITBASED sy-vline      INTO ld_text SEPARATED BY SPACE.

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