ABAP Select data from SAP table PEPSTAFANLYS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PEPSTAFANLYS
*  INTO TABLE @DATA(IT_PEPSTAFANLYS2).
*--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_PEPSTAFANLYS INDEX 1 INTO DATA(WA_PEPSTAFANLYS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PEPSTAFANLYS>-MANDT = 1.
<PEPSTAFANLYS>-ENGAGEMENTPROJECT = 1.
<PEPSTAFANLYS>-WORKPACKAGE = 1.
<PEPSTAFANLYS>-WORKITEM = 1.
<PEPSTAFANLYS>-ENGAGEMENTPROJECTRESOURCE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PEPSTAFANLYS-ENGAGEMENTPROJECTRESOURCETYPE, sy-vline,
  WA_PEPSTAFANLYS-PERSONNELNUMBER, sy-vline,
  WA_PEPSTAFANLYS-CURRENTDATE, sy-vline,
  WA_PEPSTAFANLYS-TOFISCALYEARPERIOD, sy-vline,
  WA_PEPSTAFANLYS-FISCALYEARPERIOD, sy-vline,
  WA_PEPSTAFANLYS-FISCALYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PEPSTAFANLYS 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_PEPSTAFANLYS 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_PEPSTAFANLYS INTO WA_PEPSTAFANLYS.


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

*Conversion exit CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PEPSTAFANLYS-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEPSTAFANLYS-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_PEPSTAFANLYS_STR, 
MANDT TYPE STRING,
ENGAGEMENTPROJECT TYPE STRING,
WORKPACKAGE TYPE STRING,
WORKITEM TYPE STRING,
ENGAGEMENTPROJECTRESOURCE TYPE STRING,
ENGAGEMENTPROJECTRESOURCETYPE TYPE STRING,
PERSONNELNUMBER TYPE STRING,
CURRENTDATE TYPE STRING,
TOFISCALYEARPERIOD TYPE STRING,
FISCALYEARPERIOD TYPE STRING,
FISCALYEAR TYPE STRING,
FISCALPERIOD TYPE STRING,
BILLINGCONTROLCATEGORY TYPE STRING,
UNITOFMEASURE TYPE STRING,
ISMYPROJECT TYPE STRING,
PROJECTMANAGERNAME TYPE STRING,
PROJECTMANAGEREXTERNALID TYPE STRING,
PROJECTMANAGER TYPE STRING,
PLNDEFFORTQTY TYPE STRING,
ENGMNTPROJSTAFFEDEFFORT TYPE STRING,
RECORDEDHOURS TYPE STRING,
UNAPPROVEDHOURS TYPE STRING,
APPROVEDHOURS TYPE STRING,
ACTLEFFORTQTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PEPSTAFANLYS_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_PEPSTAFANLYS_STR-MANDT sy-vline 
WA_PEPSTAFANLYS_STR-ENGAGEMENTPROJECT sy-vline 
WA_PEPSTAFANLYS_STR-WORKPACKAGE sy-vline 
WA_PEPSTAFANLYS_STR-WORKITEM sy-vline 
WA_PEPSTAFANLYS_STR-ENGAGEMENTPROJECTRESOURCE sy-vline 
WA_PEPSTAFANLYS_STR-ENGAGEMENTPROJECTRESOURCETYPE sy-vline 
WA_PEPSTAFANLYS_STR-PERSONNELNUMBER sy-vline 
WA_PEPSTAFANLYS_STR-CURRENTDATE sy-vline 
WA_PEPSTAFANLYS_STR-TOFISCALYEARPERIOD sy-vline 
WA_PEPSTAFANLYS_STR-FISCALYEARPERIOD sy-vline 
WA_PEPSTAFANLYS_STR-FISCALYEAR sy-vline 
WA_PEPSTAFANLYS_STR-FISCALPERIOD sy-vline 
WA_PEPSTAFANLYS_STR-BILLINGCONTROLCATEGORY sy-vline 
WA_PEPSTAFANLYS_STR-UNITOFMEASURE sy-vline 
WA_PEPSTAFANLYS_STR-ISMYPROJECT sy-vline 
WA_PEPSTAFANLYS_STR-PROJECTMANAGERNAME sy-vline 
WA_PEPSTAFANLYS_STR-PROJECTMANAGEREXTERNALID sy-vline 
WA_PEPSTAFANLYS_STR-PROJECTMANAGER sy-vline 
WA_PEPSTAFANLYS_STR-PLNDEFFORTQTY sy-vline 
WA_PEPSTAFANLYS_STR-ENGMNTPROJSTAFFEDEFFORT sy-vline 
WA_PEPSTAFANLYS_STR-RECORDEDHOURS sy-vline 
WA_PEPSTAFANLYS_STR-UNAPPROVEDHOURS sy-vline 
WA_PEPSTAFANLYS_STR-APPROVEDHOURS sy-vline 
WA_PEPSTAFANLYS_STR-ACTLEFFORTQTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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