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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/S_AMODAL_FCS_DP
*  INTO TABLE @DATA(IT_/SAPAPO/S_AMODAL_FCS_DP2).
*--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/S_AMODAL_FCS_DP INDEX 1 INTO DATA(WA_/SAPAPO/S_AMODAL_FCS_DP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/S_AMODAL_FCS_DP>-AID = 1.
</SAPAPO/S_AMODAL_FCS_DP>-AOT = 1.
</SAPAPO/S_AMODAL_FCS_DP>-PRIORITY = 1.
</SAPAPO/S_AMODAL_FCS_DP>-TIMESTAMP = 1.
</SAPAPO/S_AMODAL_FCS_DP>-USER_CREATED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/S_AMODAL_FCS_DP-STEP, sy-vline,
  WA_/SAPAPO/S_AMODAL_FCS_DP-FACTION, sy-vline,
  WA_/SAPAPO/S_AMODAL_FCS_DP-MVIEW, sy-vline,
  WA_/SAPAPO/S_AMODAL_FCS_DP-PLVER, sy-vline,
  WA_/SAPAPO/S_AMODAL_FCS_DP-KRIT3, sy-vline,
  WA_/SAPAPO/S_AMODAL_FCS_DP-PRPFL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/S_AMODAL_FCS_DP 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/S_AMODAL_FCS_DP 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/S_AMODAL_FCS_DP INTO WA_/SAPAPO/S_AMODAL_FCS_DP.


*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 PLVER
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/S_AMODAL_FCS_DP-PLVER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/S_AMODAL_FCS_DP-PLVER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field VFROM
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/S_AMODAL_FCS_DP-VFROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/S_AMODAL_FCS_DP-VFROM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field VTO
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/S_AMODAL_FCS_DP-VTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/S_AMODAL_FCS_DP-VTO.
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/S_AMODAL_FCS_DP_STR, 
AID TYPE STRING,
AOT TYPE STRING,
PRIORITY TYPE STRING,
TIMESTAMP TYPE STRING,
USER_CREATED TYPE STRING,
STEP TYPE STRING,
FACTION TYPE STRING,
MVIEW TYPE STRING,
PLVER TYPE STRING,
KRIT3 TYPE STRING,
PRPFL TYPE STRING,
UNI_GW TYPE STRING,
UNI_IST TYPE STRING,
UNI_PERCENT TYPE STRING,
SELID TYPE STRING,
JOBNR TYPE STRING,
JOBCNT TYPE STRING,
JOBDATE TYPE STRING,
JOBTIME TYPE STRING,
DVIEW TYPE STRING,
AT_ID TYPE STRING,
VFROM TYPE STRING,
VTO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/S_AMODAL_FCS_DP_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/S_AMODAL_FCS_DP_STR-AID sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-AOT sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-PRIORITY sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-TIMESTAMP sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-USER_CREATED sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-STEP sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-FACTION sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-MVIEW sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-PLVER sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-KRIT3 sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-PRPFL sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-UNI_GW sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-UNI_IST sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-UNI_PERCENT sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-SELID sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-JOBNR sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-JOBCNT sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-JOBDATE sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-JOBTIME sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-DVIEW sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-AT_ID sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-VFROM sy-vline 
WA_/SAPAPO/S_AMODAL_FCS_DP_STR-VTO sy-vline      INTO ld_text SEPARATED BY SPACE.

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