ABAP Select data from SAP table /SEHS/DGS_PRTMD_D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SEHS/DGS_PRTMD_D 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 /SEHS/DGS_PRTMD_D. 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 /SEHS/DGS_PRTMD_D 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_/SEHS/DGS_PRTMD_D TYPE STANDARD TABLE OF /SEHS/DGS_PRTMD_D,
      WA_/SEHS/DGS_PRTMD_D TYPE /SEHS/DGS_PRTMD_D,
      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: </SEHS/DGS_PRTMD_D> TYPE /SEHS/DGS_PRTMD_D.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SEHS/DGS_PRTMD_D
*  INTO TABLE @DATA(IT_/SEHS/DGS_PRTMD_D2).
*--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_/SEHS/DGS_PRTMD_D INDEX 1 INTO DATA(WA_/SEHS/DGS_PRTMD_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SEHS/DGS_PRTMD_D>-COWED = 1.
</SEHS/DGS_PRTMD_D>-HPN1D = 1.
</SEHS/DGS_PRTMD_D>-HPN2D = 1.
</SEHS/DGS_PRTMD_D>-HPN3D = 1.
</SEHS/DGS_PRTMD_D>-HPN4D = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SEHS/DGS_PRTMD_D-HPN5D, sy-vline,
  WA_/SEHS/DGS_PRTMD_D-HPN6D, sy-vline,
  WA_/SEHS/DGS_PRTMD_D-HPN7D, sy-vline,
  WA_/SEHS/DGS_PRTMD_D-REGNO, sy-vline,
  WA_/SEHS/DGS_PRTMD_D-AGRNO, sy-vline,
  WA_/SEHS/DGS_PRTMD_D-ILOOS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SEHS/DGS_PRTMD_D 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_/SEHS/DGS_PRTMD_D 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_/SEHS/DGS_PRTMD_D INTO WA_/SEHS/DGS_PRTMD_D.


*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_/SEHS/DGS_PRTMD_D_STR, 
COWED TYPE STRING,
HPN1D TYPE STRING,
HPN2D TYPE STRING,
HPN3D TYPE STRING,
HPN4D TYPE STRING,
HPN5D TYPE STRING,
HPN6D TYPE STRING,
HPN7D TYPE STRING,
REGNO TYPE STRING,
AGRNO TYPE STRING,
ILOOS TYPE STRING,
IHIVI TYPE STRING,
LAGKL TYPE STRING,
LWDGD TYPE STRING,
SDGCL TYPE STRING,
TDGCL TYPE STRING,
DGCLD TYPE STRING,
DGEXTQU TYPE STRING,
DGREPQU TYPE STRING,
DGPULIM TYPE STRING,
DGLISTG TYPE STRING,
HAZINDMPTXT TYPE STRING,
NDGDE TYPE STRING,
NDGDF TYPE STRING,
STADD TYPE STRING,
STADD1 TYPE STRING,
STADD2 TYPE STRING,
STADD3 TYPE STRING,
STADD4 TYPE STRING,
STADD5 TYPE STRING,
STADD6 TYPE STRING,
STADD7 TYPE STRING,
STADD8 TYPE STRING,
STADD9 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SEHS/DGS_PRTMD_D_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_/SEHS/DGS_PRTMD_D_STR-COWED sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-HPN1D sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-HPN2D sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-HPN3D sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-HPN4D sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-HPN5D sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-HPN6D sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-HPN7D sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-REGNO sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-AGRNO sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-ILOOS sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-IHIVI sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-LAGKL sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-LWDGD sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-SDGCL sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-TDGCL sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-DGCLD sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-DGEXTQU sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-DGREPQU sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-DGPULIM sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-DGLISTG sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-HAZINDMPTXT sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-NDGDE sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-NDGDF sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-STADD sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-STADD1 sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-STADD2 sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-STADD3 sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-STADD4 sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-STADD5 sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-STADD6 sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-STADD7 sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-STADD8 sy-vline 
WA_/SEHS/DGS_PRTMD_D_STR-STADD9 sy-vline      INTO ld_text SEPARATED BY SPACE.

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