ABAP Select data from SAP table /SAPAPO/PPM_OBJHI_STR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/PPM_OBJHI_STR 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 /SAPAPO/PPM_OBJHI_STR. 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 /SAPAPO/PPM_OBJHI_STR 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_/SAPAPO/PPM_OBJHI_STR TYPE STANDARD TABLE OF /SAPAPO/PPM_OBJHI_STR,
      WA_/SAPAPO/PPM_OBJHI_STR TYPE /SAPAPO/PPM_OBJHI_STR,
      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: </SAPAPO/PPM_OBJHI_STR> TYPE /SAPAPO/PPM_OBJHI_STR.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/PPM_OBJHI_STR
  INTO TABLE IT_/SAPAPO/PPM_OBJHI_STR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/PPM_OBJHI_STR
*  INTO TABLE @DATA(IT_/SAPAPO/PPM_OBJHI_STR2).
*--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_/SAPAPO/PPM_OBJHI_STR INDEX 1 INTO DATA(WA_/SAPAPO/PPM_OBJHI_STR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/PPM_OBJHI_STR ASSIGNING </SAPAPO/PPM_OBJHI_STR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/PPM_OBJHI_STR>-OBJID = 1.
</SAPAPO/PPM_OBJHI_STR>-OCCUR = 1.
</SAPAPO/PPM_OBJHI_STR>-OBJTYPE = 1.
</SAPAPO/PPM_OBJHI_STR>-PARENTID = 1.
</SAPAPO/PPM_OBJHI_STR>-POBJTYPE = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/PPM_OBJHI_STR INTO WA_/SAPAPO/PPM_OBJHI_STR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/PPM_OBJHI_STR-PLANID, sy-vline,
  WA_/SAPAPO/PPM_OBJHI_STR-PLANNR, sy-vline,
  WA_/SAPAPO/PPM_OBJHI_STR-PLNTXT, sy-vline,
  WA_/SAPAPO/PPM_OBJHI_STR-VORID, sy-vline,
  WA_/SAPAPO/PPM_OBJHI_STR-VORNR, sy-vline,
  WA_/SAPAPO/PPM_OBJHI_STR-VORTEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/PPM_OBJHI_STR 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_/SAPAPO/PPM_OBJHI_STR 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_/SAPAPO/PPM_OBJHI_STR INTO WA_/SAPAPO/PPM_OBJHI_STR.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PPM_OBJHI_STR-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PPM_OBJHI_STR-MATNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PPM_OBJHI_STR-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PPM_OBJHI_STR-UNIT.
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_/SAPAPO/PPM_OBJHI_STR_STR, 
OBJID TYPE STRING,
OCCUR TYPE STRING,
OBJTYPE TYPE STRING,
PARENTID TYPE STRING,
POBJTYPE TYPE STRING,
PLANID TYPE STRING,
PLANNR TYPE STRING,
PLNTXT TYPE STRING,
VORID TYPE STRING,
VORNR TYPE STRING,
VORTEXT TYPE STRING,
ACTID TYPE STRING,
ACTNR TYPE STRING,
ACTTEXT TYPE STRING,
AMATID TYPE STRING,
LOGCOMP TYPE STRING,
IOIND TYPE STRING,
MATID TYPE STRING,
MATNR TYPE STRING,
DATET TYPE STRING,
DATEF TYPE STRING,
MODEID TYPE STRING,
MODUS TYPE STRING,
PRIM_RESID TYPE STRING,
PRIM_NAME TYPE STRING,
MODE_UNIT TYPE STRING,
DUR1 TYPE STRING,
DUR2 TYPE STRING,
DUR3 TYPE STRING,
RESID TYPE STRING,
RES_NAME TYPE STRING,
PPMID TYPE STRING,
PPMNR TYPE STRING,
PPMTXT TYPE STRING,
MINLS TYPE STRING,
MAXLS TYPE STRING,
MD_FLG TYPE STRING,
VORID_PRED TYPE STRING,
PREDID TYPE STRING,
OCCURFR TYPE STRING,
VORID_SUCC TYPE STRING,
SUCCID TYPE STRING,
OCCURTO TYPE STRING,
CRTYPE TYPE STRING,
CR_VALTEXT TYPE STRING,
MINSHIFT TYPE STRING,
MAXSHIFT TYPE STRING,
FMIN TYPE STRING,
FMAX TYPE STRING,
UNIT TYPE STRING,
DESCRS TYPE STRING,
DESCRL TYPE STRING,
N_CHILDREN_SINGLE TYPE STRING,
N_CHILDREN_MULTI TYPE STRING,
POS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/PPM_OBJHI_STR_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_/SAPAPO/PPM_OBJHI_STR_STR-OBJID sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-OCCUR sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-OBJTYPE sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-PARENTID sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-POBJTYPE sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-PLANID sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-PLANNR sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-PLNTXT sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-VORID sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-VORNR sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-VORTEXT sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-ACTID sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-ACTNR sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-ACTTEXT sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-AMATID sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-LOGCOMP sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-IOIND sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-MATID sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-MATNR sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-DATET sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-DATEF sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-MODEID sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-MODUS sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-PRIM_RESID sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-PRIM_NAME sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-MODE_UNIT sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-DUR1 sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-DUR2 sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-DUR3 sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-RESID sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-RES_NAME sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-PPMID sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-PPMNR sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-PPMTXT sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-MINLS sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-MAXLS sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-MD_FLG sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-VORID_PRED sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-PREDID sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-OCCURFR sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-VORID_SUCC sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-SUCCID sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-OCCURTO sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-CRTYPE sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-CR_VALTEXT sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-MINSHIFT sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-MAXSHIFT sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-FMIN sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-FMAX sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-UNIT sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-DESCRS sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-DESCRL sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-N_CHILDREN_SINGLE sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-N_CHILDREN_MULTI sy-vline 
WA_/SAPAPO/PPM_OBJHI_STR_STR-POS sy-vline      INTO ld_text SEPARATED BY SPACE.

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