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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/PFM_DP_MASSPROC
*  INTO TABLE @DATA(IT_/SAPAPO/PFM_DP_MASSPROC2).
*--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_DP_MASSPROC INDEX 1 INTO DATA(WA_/SAPAPO/PFM_DP_MASSPROC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/PFM_DP_MASSPROC>-START_DATE = 1.
</SAPAPO/PFM_DP_MASSPROC>-START_TIME = 1.
</SAPAPO/PFM_DP_MASSPROC>-END_DATE = 1.
</SAPAPO/PFM_DP_MASSPROC>-END_TIME = 1.
</SAPAPO/PFM_DP_MASSPROC>-MASSPROC_RT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/PFM_DP_MASSPROC-AUTHOR, sy-vline,
  WA_/SAPAPO/PFM_DP_MASSPROC-AKTKEY, sy-vline,
  WA_/SAPAPO/PFM_DP_MASSPROC-PAREA, sy-vline,
  WA_/SAPAPO/PFM_DP_MASSPROC-MVIEW, sy-vline,
  WA_/SAPAPO/PFM_DP_MASSPROC-DVIEW, sy-vline,
  WA_/SAPAPO/PFM_DP_MASSPROC-VRSIO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/PFM_DP_MASSPROC 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_DP_MASSPROC 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_DP_MASSPROC INTO WA_/SAPAPO/PFM_DP_MASSPROC.


*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 PARE2, internal->external for field PAREA
CALL FUNCTION 'CONVERSION_EXIT_PARE2_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PFM_DP_MASSPROC-PAREA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PFM_DP_MASSPROC-PAREA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit VRSIO, internal->external for field VRSIO
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PFM_DP_MASSPROC-VRSIO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PFM_DP_MASSPROC-VRSIO.
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_DP_MASSPROC_STR, 
START_DATE TYPE STRING,
START_TIME TYPE STRING,
END_DATE TYPE STRING,
END_TIME TYPE STRING,
MASSPROC_RT TYPE STRING,
AUTHOR TYPE STRING,
AKTKEY TYPE STRING,
PAREA TYPE STRING,
MVIEW TYPE STRING,
DVIEW TYPE STRING,
VRSIO TYPE STRING,
NO_COMBOS TYPE STRING,
NO_COMBOS_SAVED TYPE STRING,
NO_COMBOS_NSAVED TYPE STRING,
NO_COMBOS_ERROR TYPE STRING,
NO_TRIALS_COMBO TYPE STRING,
PROCTIME_COMBO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/PFM_DP_MASSPROC_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_DP_MASSPROC_STR-START_DATE sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-START_TIME sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-END_DATE sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-END_TIME sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-MASSPROC_RT sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-AUTHOR sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-AKTKEY sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-PAREA sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-MVIEW sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-DVIEW sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-VRSIO sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-NO_COMBOS sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-NO_COMBOS_SAVED sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-NO_COMBOS_NSAVED sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-NO_COMBOS_ERROR sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-NO_TRIALS_COMBO sy-vline 
WA_/SAPAPO/PFM_DP_MASSPROC_STR-PROCTIME_COMBO sy-vline      INTO ld_text SEPARATED BY SPACE.

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