ABAP Select data from SAP table VDFS_MC_FE_RELSHP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VDFS_MC_FE_RELSHP 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 VDFS_MC_FE_RELSHP. 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 VDFS_MC_FE_RELSHP 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_VDFS_MC_FE_RELSHP TYPE STANDARD TABLE OF VDFS_MC_FE_RELSHP,
      WA_VDFS_MC_FE_RELSHP TYPE VDFS_MC_FE_RELSHP,
      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: <VDFS_MC_FE_RELSHP> TYPE VDFS_MC_FE_RELSHP.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VDFS_MC_FE_RELSHP
  INTO TABLE IT_VDFS_MC_FE_RELSHP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VDFS_MC_FE_RELSHP
*  INTO TABLE @DATA(IT_VDFS_MC_FE_RELSHP2).
*--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_VDFS_MC_FE_RELSHP INDEX 1 INTO DATA(WA_VDFS_MC_FE_RELSHP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VDFS_MC_FE_RELSHP ASSIGNING <VDFS_MC_FE_RELSHP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VDFS_MC_FE_RELSHP>-MANDT = 1.
<VDFS_MC_FE_RELSHP>-DFSMODELFRCELMNTORGRELSHPUUID = 1.
<VDFS_MC_FE_RELSHP>-DFSMODELFRCELMNTORGUUID = 1.
<VDFS_MC_FE_RELSHP>-DEFENSEMODELUUID = 1.
<VDFS_MC_FE_RELSHP>-FORCEELEMENTORGID = 1.

ENDLOOP.

LOOP AT IT_VDFS_MC_FE_RELSHP INTO WA_VDFS_MC_FE_RELSHP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VDFS_MC_FE_RELSHP-FRCELMNTORGVALDTYSTARTDATE, sy-vline,
  WA_VDFS_MC_FE_RELSHP-FRCELMNTORGVALDTYENDDATE, sy-vline,
  WA_VDFS_MC_FE_RELSHP-DFSMODELRELTDFRCELMNTORGUUID, sy-vline,
  WA_VDFS_MC_FE_RELSHP-FRCELMNTORGRELATEDORGID, sy-vline,
  WA_VDFS_MC_FE_RELSHP-FRCELMNTORGCONCATENATEDID, sy-vline,
  WA_VDFS_MC_FE_RELSHP-FRCELMNTORGPLNGSTATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VDFS_MC_FE_RELSHP 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_VDFS_MC_FE_RELSHP 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_VDFS_MC_FE_RELSHP INTO WA_VDFS_MC_FE_RELSHP.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_VDFS_MC_FE_RELSHP_STR, 
MANDT TYPE STRING,
DFSMODELFRCELMNTORGRELSHPUUID TYPE STRING,
DFSMODELFRCELMNTORGUUID TYPE STRING,
DEFENSEMODELUUID TYPE STRING,
FORCEELEMENTORGID TYPE STRING,
FRCELMNTORGVALDTYSTARTDATE TYPE STRING,
FRCELMNTORGVALDTYENDDATE TYPE STRING,
DFSMODELRELTDFRCELMNTORGUUID TYPE STRING,
FRCELMNTORGRELATEDORGID TYPE STRING,
FRCELMNTORGCONCATENATEDID TYPE STRING,
FRCELMNTORGPLNGSTATUS TYPE STRING,
FRCELMNTORGNAME TYPE STRING,
FRCELMNTORGPLANVERSION TYPE STRING,
FRCELMNTORGPLNGSTATUSFOED TYPE STRING,
FRCELMNTORGRELSHPSPEC TYPE STRING,
FRCELMNTORGRELSHPBTWNOBJ TYPE STRING,
FRCELMNTORGRELSHPPRIORITY TYPE STRING,
FRCELMNTORGTYPE TYPE STRING,
NUMBEROFFORCEELEMENTORG TYPE STRING,
FRCELMNTORGINFOTYPE TYPE STRING,
FRCELMNTORGSUBTYPE TYPE STRING,
FRCELMNTORGRELATEDORGTYPE TYPE STRING,
FRCELMNTORGRELSHPDESC TYPE STRING,
FRCELMNTORGCNCTNTDRELSHPTEXT TYPE STRING,
FRCELMNTORGLASTCHGDBYUSERNAME TYPE STRING,
FORCEELEMENTORGIDFOREDIT TYPE STRING,
FRCELMNTORGRELATEDORGIDFOREDIT TYPE STRING,
FRCELMNTORGVALDTYSTARTDATEFOED TYPE STRING,
FRCELMNTORGVALDTYENDDATEFOED TYPE STRING,
FRCELMNTORGPLNGSTATUSFOREDIT TYPE STRING,
FRCELMNTORGTECHNICALSTATUSNAME TYPE STRING,
DFSMODELRELSHPCRTNDTETME TYPE STRING,
DFSMODELRELSHPCRTEDBYUSR TYPE STRING,
DFSMODELRELSHPLASTCHGDDTETME TYPE STRING,
DFSMODELRELSHPLASTCHGDBYUSER TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VDFS_MC_FE_RELSHP_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_VDFS_MC_FE_RELSHP_STR-MANDT sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-DFSMODELFRCELMNTORGRELSHPUUID sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-DFSMODELFRCELMNTORGUUID sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-DEFENSEMODELUUID sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FORCEELEMENTORGID sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGVALDTYSTARTDATE sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGVALDTYENDDATE sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-DFSMODELRELTDFRCELMNTORGUUID sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGRELATEDORGID sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGCONCATENATEDID sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGPLNGSTATUS sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGNAME sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGPLANVERSION sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGPLNGSTATUSFOED sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGRELSHPSPEC sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGRELSHPBTWNOBJ sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGRELSHPPRIORITY sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGTYPE sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-NUMBEROFFORCEELEMENTORG sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGINFOTYPE sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGSUBTYPE sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGRELATEDORGTYPE sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGRELSHPDESC sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGCNCTNTDRELSHPTEXT sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGLASTCHGDBYUSERNAME sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FORCEELEMENTORGIDFOREDIT sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGRELATEDORGIDFOREDIT sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGVALDTYSTARTDATEFOED sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGVALDTYENDDATEFOED sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGPLNGSTATUSFOREDIT sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-FRCELMNTORGTECHNICALSTATUSNAME sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-DFSMODELRELSHPCRTNDTETME sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-DFSMODELRELSHPCRTEDBYUSR sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-DFSMODELRELSHPLASTCHGDDTETME sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-DFSMODELRELSHPLASTCHGDBYUSER sy-vline 
WA_VDFS_MC_FE_RELSHP_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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