ABAP Select data from SAP table PPHS_WRKCTRCOSTCENTER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPHS_WRKCTRCOSTCENTER
*  INTO TABLE @DATA(IT_PPHS_WRKCTRCOSTCENTER2).
*--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_PPHS_WRKCTRCOSTCENTER INDEX 1 INTO DATA(WA_PPHS_WRKCTRCOSTCENTER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPHS_WRKCTRCOSTCENTER>-OBJID = 1.
<PPHS_WRKCTRCOSTCENTER>-OBJTY = 1.
<PPHS_WRKCTRCOSTCENTER>-LANUM = 1.
<PPHS_WRKCTRCOSTCENTER>-ENDDA = 1.
<PPHS_WRKCTRCOSTCENTER>-BEGDA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPHS_WRKCTRCOSTCENTER-ARBPL, sy-vline,
  WA_PPHS_WRKCTRCOSTCENTER-WERKS, sy-vline,
  WA_PPHS_WRKCTRCOSTCENTER-VERWE, sy-vline,
  WA_PPHS_WRKCTRCOSTCENTER-KOKRS, sy-vline,
  WA_PPHS_WRKCTRCOSTCENTER-KOSTL, sy-vline,
  WA_PPHS_WRKCTRCOSTCENTER-LSTAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPHS_WRKCTRCOSTCENTER 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_PPHS_WRKCTRCOSTCENTER 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_PPHS_WRKCTRCOSTCENTER INTO WA_PPHS_WRKCTRCOSTCENTER.


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

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

*Conversion exit ALPHA, internal->external for field PRZ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPHS_WRKCTRCOSTCENTER-PRZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPHS_WRKCTRCOSTCENTER-PRZ.
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_PPHS_WRKCTRCOSTCENTER_STR, 
OBJID TYPE STRING,
OBJTY TYPE STRING,
LANUM TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
ARBPL TYPE STRING,
WERKS TYPE STRING,
VERWE TYPE STRING,
KOKRS TYPE STRING,
KOSTL TYPE STRING,
LSTAR TYPE STRING,
LEINH TYPE STRING,
PRZ TYPE STRING,
ACTXY TYPE STRING,
ACTXK TYPE STRING,
FORML TYPE STRING,
LSTAR_REF TYPE STRING,
BDE TYPE STRING,
SAKL TYPE STRING,
LASTCHANGE_DATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPHS_WRKCTRCOSTCENTER_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_PPHS_WRKCTRCOSTCENTER_STR-OBJID sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-OBJTY sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-LANUM sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-ENDDA sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-BEGDA sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-ARBPL sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-WERKS sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-VERWE sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-KOKRS sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-KOSTL sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-LSTAR sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-LEINH sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-PRZ sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-ACTXY sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-ACTXK sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-FORML sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-LSTAR_REF sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-BDE sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-SAKL sy-vline 
WA_PPHS_WRKCTRCOSTCENTER_STR-LASTCHANGE_DATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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