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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/PFM_PPOPT
*  INTO TABLE @DATA(IT_/SAPAPO/PFM_PPOPT2).
*--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/PFM_PPOPT INDEX 1 INTO DATA(WA_/SAPAPO/PFM_PPOPT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/PFM_PPOPT>-PPOPT_STARTDATE = 1.
</SAPAPO/PFM_PPOPT>-PPOPT_STARTTIME = 1.
</SAPAPO/PFM_PPOPT>-PPOPT_RUNTIME = 1.
</SAPAPO/PFM_PPOPT>-PPOPT_RUNTIME_DAT_A = 1.
</SAPAPO/PFM_PPOPT>-PPOPT_RUNTIME_DAT_L = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/PFM_PPOPT-PPOPT_RUNTIME_OPT, sy-vline,
  WA_/SAPAPO/PFM_PPOPT-PPOPT_RUNTIME_LVC, sy-vline,
  WA_/SAPAPO/PFM_PPOPT-PPOPT_STATUS, sy-vline,
  WA_/SAPAPO/PFM_PPOPT-PARALLEL, sy-vline,
  WA_/SAPAPO/PFM_PPOPT-OPTID, sy-vline,
  WA_/SAPAPO/PFM_PPOPT-USR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/PFM_PPOPT 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/PFM_PPOPT 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/PFM_PPOPT INTO WA_/SAPAPO/PFM_PPOPT.


*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 VRSIO, internal->external for field VERSIOID
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PFM_PPOPT-VERSIOID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PFM_PPOPT-VERSIOID.
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/PFM_PPOPT_STR, 
PPOPT_STARTDATE TYPE STRING,
PPOPT_STARTTIME TYPE STRING,
PPOPT_RUNTIME TYPE STRING,
PPOPT_RUNTIME_DAT_A TYPE STRING,
PPOPT_RUNTIME_DAT_L TYPE STRING,
PPOPT_RUNTIME_OPT TYPE STRING,
PPOPT_RUNTIME_LVC TYPE STRING,
PPOPT_STATUS TYPE STRING,
PARALLEL TYPE STRING,
OPTID TYPE STRING,
USR TYPE STRING,
NR TYPE STRING,
PROFILE TYPE STRING,
HELP_ID TYPE STRING,
VERSIOID TYPE STRING,
PPOPT_MAXMEM TYPE STRING,
BALHNDL TYPE STRING,
LOGFILE TYPE STRING,
EXPIRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/PFM_PPOPT_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/PFM_PPOPT_STR-PPOPT_STARTDATE sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-PPOPT_STARTTIME sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-PPOPT_RUNTIME sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-PPOPT_RUNTIME_DAT_A sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-PPOPT_RUNTIME_DAT_L sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-PPOPT_RUNTIME_OPT sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-PPOPT_RUNTIME_LVC sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-PPOPT_STATUS sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-PARALLEL sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-OPTID sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-USR sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-NR sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-PROFILE sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-HELP_ID sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-VERSIOID sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-PPOPT_MAXMEM sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-BALHNDL sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-LOGFILE sy-vline 
WA_/SAPAPO/PFM_PPOPT_STR-EXPIRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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