ABAP Select data from SAP table /SEHS/DGS_1078PRODRELX 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_1078PRODRELX 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_1078PRODRELX. 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_1078PRODRELX 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_1078PRODRELX TYPE STANDARD TABLE OF /SEHS/DGS_1078PRODRELX,
      WA_/SEHS/DGS_1078PRODRELX TYPE /SEHS/DGS_1078PRODRELX,
      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_1078PRODRELX> TYPE /SEHS/DGS_1078PRODRELX.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SEHS/DGS_1078PRODRELX.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SEHS/DGS_1078PRODRELX
  INTO TABLE IT_/SEHS/DGS_1078PRODRELX.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SEHS/DGS_1078PRODRELX
*  INTO TABLE @DATA(IT_/SEHS/DGS_1078PRODRELX2).
*--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_1078PRODRELX INDEX 1 INTO DATA(WA_/SEHS/DGS_1078PRODRELX2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SEHS/DGS_1078PRODRELX ASSIGNING </SEHS/DGS_1078PRODRELX>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SEHS/DGS_1078PRODRELX>-RECORD_NO = 1.
</SEHS/DGS_1078PRODRELX>-CHNGSTATUS = 1.
</SEHS/DGS_1078PRODRELX>-VALID_FROM = 1.
</SEHS/DGS_1078PRODRELX>-VALID_TO = 1.
</SEHS/DGS_1078PRODRELX>-CHANG_NO = 1.

ENDLOOP.

LOOP AT IT_/SEHS/DGS_1078PRODRELX INTO WA_/SEHS/DGS_1078PRODRELX.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SEHS/DGS_1078PRODRELX-DEL_IND, sy-vline,
  WA_/SEHS/DGS_1078PRODRELX-PARK_IND, sy-vline,
  WA_/SEHS/DGS_1078PRODRELX-CREATED_ON, sy-vline,
  WA_/SEHS/DGS_1078PRODRELX-CREATED_BY, sy-vline,
  WA_/SEHS/DGS_1078PRODRELX-CHANGD_ON, sy-vline,
  WA_/SEHS/DGS_1078PRODRELX-CHANGD_BY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SEHS/DGS_1078PRODRELX 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_1078PRODRELX 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_1078PRODRELX INTO WA_/SEHS/DGS_1078PRODRELX.


*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_1078PRODRELX_STR, 
RECORD_NO TYPE STRING,
CHNGSTATUS TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
CHANG_NO TYPE STRING,
DEL_IND TYPE STRING,
PARK_IND TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_BY TYPE STRING,
CHANGD_ON TYPE STRING,
CHANGD_BY TYPE STRING,
DATAORIGIN TYPE STRING,
DATA_PROV TYPE STRING,
RECNO_ROOT TYPE STRING,
MATERIAL TYPE STRING,
DANGODREG TYPE STRING,
PACKAGE_MATNR TYPE STRING,
DATA_ORIGIN TYPE STRING,
PRIO_ALTERN TYPE STRING,
FLG_RELEASED TYPE STRING,
FLG_TRANS_PERM TYPE STRING,
FLG_NO_DG TYPE STRING,
FLG_LQ TYPE STRING,
FLG_RQ TYPE STRING,
INSTRUCT_ENCLOSURE TYPE STRING,
FLG_SGL_PACK TYPE STRING,
PACOD TYPE STRING,
QUANT_OUT TYPE STRING,
U_QUANT_OUT TYPE STRING,
UISO_QUANT_OUT TYPE STRING,
PACK_NOTE TYPE STRING,
RECN_SUB TYPE STRING,
RECN_CLASS TYPE STRING,
FLG_CC TYPE STRING,
FLAG_PACKED_PRODUCT TYPE STRING,
DANGGODCAT TYPE STRING,
APPROVAL_CODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SEHS/DGS_1078PRODRELX_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_1078PRODRELX_STR-RECORD_NO sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-CHNGSTATUS sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-VALID_FROM sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-VALID_TO sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-CHANG_NO sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-DEL_IND sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-PARK_IND sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-CREATED_ON sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-CREATED_BY sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-CHANGD_ON sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-CHANGD_BY sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-DATAORIGIN sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-DATA_PROV sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-RECNO_ROOT sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-MATERIAL sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-DANGODREG sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-PACKAGE_MATNR sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-DATA_ORIGIN sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-PRIO_ALTERN sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-FLG_RELEASED sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-FLG_TRANS_PERM sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-FLG_NO_DG sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-FLG_LQ sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-FLG_RQ sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-INSTRUCT_ENCLOSURE sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-FLG_SGL_PACK sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-PACOD sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-QUANT_OUT sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-U_QUANT_OUT sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-UISO_QUANT_OUT sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-PACK_NOTE sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-RECN_SUB sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-RECN_CLASS sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-FLG_CC sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-FLAG_PACKED_PRODUCT sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-DANGGODCAT sy-vline 
WA_/SEHS/DGS_1078PRODRELX_STR-APPROVAL_CODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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