ABAP Select data from SAP table /SAPAPO/PFM_SNPOPT_VERSION 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_SNPOPT_VERSION 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_SNPOPT_VERSION. 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_SNPOPT_VERSION 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_SNPOPT_VERSION TYPE STANDARD TABLE OF /SAPAPO/PFM_SNPOPT_VERSION,
      WA_/SAPAPO/PFM_SNPOPT_VERSION TYPE /SAPAPO/PFM_SNPOPT_VERSION,
      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_SNPOPT_VERSION> TYPE /SAPAPO/PFM_SNPOPT_VERSION.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/PFM_SNPOPT_VERSION
*  INTO TABLE @DATA(IT_/SAPAPO/PFM_SNPOPT_VERSION2).
*--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_SNPOPT_VERSION INDEX 1 INTO DATA(WA_/SAPAPO/PFM_SNPOPT_VERSION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/PFM_SNPOPT_VERSION>-VERSIOID = 1.
</SAPAPO/PFM_SNPOPT_VERSION>-DEMANDS = 1.
</SAPAPO/PFM_SNPOPT_VERSION>-BUCKETS = 1.
</SAPAPO/PFM_SNPOPT_VERSION>-MATLOCS = 1.
</SAPAPO/PFM_SNPOPT_VERSION>-PRODS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/PFM_SNPOPT_VERSION-LOCS, sy-vline,
  WA_/SAPAPO/PFM_SNPOPT_VERSION-RSCS, sy-vline,
  WA_/SAPAPO/PFM_SNPOPT_VERSION-ARCMATS, sy-vline,
  WA_/SAPAPO/PFM_SNPOPT_VERSION-PPMS, sy-vline,
  WA_/SAPAPO/PFM_SNPOPT_VERSION-VARIABLES, sy-vline,
  WA_/SAPAPO/PFM_SNPOPT_VERSION-D_VARIABLES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/PFM_SNPOPT_VERSION 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_SNPOPT_VERSION 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_SNPOPT_VERSION INTO WA_/SAPAPO/PFM_SNPOPT_VERSION.


*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_SNPOPT_VERSION-VERSIOID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PFM_SNPOPT_VERSION-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_SNPOPT_VERSION_STR, 
VERSIOID TYPE STRING,
DEMANDS TYPE STRING,
BUCKETS TYPE STRING,
MATLOCS TYPE STRING,
PRODS TYPE STRING,
LOCS TYPE STRING,
RSCS TYPE STRING,
ARCMATS TYPE STRING,
PPMS TYPE STRING,
VARIABLES TYPE STRING,
D_VARIABLES TYPE STRING,
D_PPMS TYPE STRING,
D_ARCMATS TYPE STRING,
CONSTRAINTS TYPE STRING,
STOCKVARS TYPE STRING,
TIME_DEC TYPE STRING,
PROD_DEC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/PFM_SNPOPT_VERSION_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_SNPOPT_VERSION_STR-VERSIOID sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-DEMANDS sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-BUCKETS sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-MATLOCS sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-PRODS sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-LOCS sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-RSCS sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-ARCMATS sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-PPMS sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-VARIABLES sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-D_VARIABLES sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-D_PPMS sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-D_ARCMATS sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-CONSTRAINTS sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-STOCKVARS sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-TIME_DEC sy-vline 
WA_/SAPAPO/PFM_SNPOPT_VERSION_STR-PROD_DEC sy-vline      INTO ld_text SEPARATED BY SPACE.

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