ABAP Select data from SAP table HASH_DATA_FOR_MSC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HASH_DATA_FOR_MSC
*  INTO TABLE @DATA(IT_HASH_DATA_FOR_MSC2).
*--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_HASH_DATA_FOR_MSC INDEX 1 INTO DATA(WA_HASH_DATA_FOR_MSC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HASH_DATA_FOR_MSC>-HEADER = 1.
<HASH_DATA_FOR_MSC>-MANDT = 1.
<HASH_DATA_FOR_MSC>-VBELN = 1.
<HASH_DATA_FOR_MSC>-GPAG = 1.
<HASH_DATA_FOR_MSC>-JPARVWGPAG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HASH_DATA_FOR_MSC-ANGDT, sy-vline,
  WA_HASH_DATA_FOR_MSC-BNDDT, sy-vline,
  WA_HASH_DATA_FOR_MSC-VBTYP, sy-vline,
  WA_HASH_DATA_FOR_MSC-TRVOG, sy-vline,
  WA_HASH_DATA_FOR_MSC-AUART, sy-vline,
  WA_HASH_DATA_FOR_MSC-AUARTGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HASH_DATA_FOR_MSC 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_HASH_DATA_FOR_MSC 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_HASH_DATA_FOR_MSC INTO WA_HASH_DATA_FOR_MSC.


*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 ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HASH_DATA_FOR_MSC-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HASH_DATA_FOR_MSC-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GPAG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HASH_DATA_FOR_MSC-GPAG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HASH_DATA_FOR_MSC-GPAG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STAFO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HASH_DATA_FOR_MSC-STAFO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HASH_DATA_FOR_MSC-STAFO.
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_HASH_DATA_FOR_MSC_STR, 
HEADER TYPE STRING,
MANDT TYPE STRING,
VBELN TYPE STRING,
GPAG TYPE STRING,
JPARVWGPAG TYPE STRING,
ANGDT TYPE STRING,
BNDDT TYPE STRING,
VBTYP TYPE STRING,
TRVOG TYPE STRING,
AUART TYPE STRING,
AUARTGRP TYPE STRING,
WAERK TYPE STRING,
NETWR TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
VKGRP TYPE STRING,
VKBUR TYPE STRING,
EXEMPLART TYPE STRING,
GSBER TYPE STRING,
GSKST TYPE STRING,
KNUMV TYPE STRING,
FAKSP TYPE STRING,
KALSM TYPE STRING,
KURST TYPE STRING,
BSTNK TYPE STRING,
BSARK TYPE STRING,
BSTDK TYPE STRING,
BSTZD TYPE STRING,
IHREZ TYPE STRING,
BNAME TYPE STRING,
TELF1 TYPE STRING,
STAFO TYPE STRING,
STWAE TYPE STRING,
XIMMATRIK TYPE STRING,
IMMATDAT TYPE STRING,
XSEPFKKOPF TYPE STRING,
XREMRECHT TYPE STRING,
REMSP TYPE STRING,
KORRGRD TYPE STRING,
REMVON TYPE STRING,
REMBIS TYPE STRING,
REFBELEG TYPE STRING,
REMDATUM TYPE STRING,
REMSCHEIN TYPE STRING,
IVWDATUM TYPE STRING,
POSNR_LAST TYPE STRING,
POSEX_LAST TYPE STRING,
KPOSN_LAST TYPE STRING,
XFKBASAUFT TYPE STRING,
XFKBASLIEF TYPE STRING,
XJKSOFAKT TYPE STRING,
ERFUSER TYPE STRING,
ERFDATE TYPE STRING,
ERFTIME TYPE STRING,
AENUSER TYPE STRING,
AENDATE TYPE STRING,
AENTIME TYPE STRING,
XWBZABO TYPE STRING,
XFKVDICHT TYPE STRING,
XSTATARC TYPE STRING,
XNOMESS TYPE STRING,
KALSM_AMO TYPE STRING,
XRENEWAL TYPE STRING,
AMORTN TYPE STRING,
REKLERGB TYPE STRING,
REKLTYP TYPE STRING,
REKLDATUM TYPE STRING,
ITEM TYPE STRING,
SCHEDULE_LINE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HASH_DATA_FOR_MSC_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_HASH_DATA_FOR_MSC_STR-HEADER sy-vline 
WA_HASH_DATA_FOR_MSC_STR-MANDT sy-vline 
WA_HASH_DATA_FOR_MSC_STR-VBELN sy-vline 
WA_HASH_DATA_FOR_MSC_STR-GPAG sy-vline 
WA_HASH_DATA_FOR_MSC_STR-JPARVWGPAG sy-vline 
WA_HASH_DATA_FOR_MSC_STR-ANGDT sy-vline 
WA_HASH_DATA_FOR_MSC_STR-BNDDT sy-vline 
WA_HASH_DATA_FOR_MSC_STR-VBTYP sy-vline 
WA_HASH_DATA_FOR_MSC_STR-TRVOG sy-vline 
WA_HASH_DATA_FOR_MSC_STR-AUART sy-vline 
WA_HASH_DATA_FOR_MSC_STR-AUARTGRP sy-vline 
WA_HASH_DATA_FOR_MSC_STR-WAERK sy-vline 
WA_HASH_DATA_FOR_MSC_STR-NETWR sy-vline 
WA_HASH_DATA_FOR_MSC_STR-VKORG sy-vline 
WA_HASH_DATA_FOR_MSC_STR-VTWEG sy-vline 
WA_HASH_DATA_FOR_MSC_STR-SPART sy-vline 
WA_HASH_DATA_FOR_MSC_STR-VKGRP sy-vline 
WA_HASH_DATA_FOR_MSC_STR-VKBUR sy-vline 
WA_HASH_DATA_FOR_MSC_STR-EXEMPLART sy-vline 
WA_HASH_DATA_FOR_MSC_STR-GSBER sy-vline 
WA_HASH_DATA_FOR_MSC_STR-GSKST sy-vline 
WA_HASH_DATA_FOR_MSC_STR-KNUMV sy-vline 
WA_HASH_DATA_FOR_MSC_STR-FAKSP sy-vline 
WA_HASH_DATA_FOR_MSC_STR-KALSM sy-vline 
WA_HASH_DATA_FOR_MSC_STR-KURST sy-vline 
WA_HASH_DATA_FOR_MSC_STR-BSTNK sy-vline 
WA_HASH_DATA_FOR_MSC_STR-BSARK sy-vline 
WA_HASH_DATA_FOR_MSC_STR-BSTDK sy-vline 
WA_HASH_DATA_FOR_MSC_STR-BSTZD sy-vline 
WA_HASH_DATA_FOR_MSC_STR-IHREZ sy-vline 
WA_HASH_DATA_FOR_MSC_STR-BNAME sy-vline 
WA_HASH_DATA_FOR_MSC_STR-TELF1 sy-vline 
WA_HASH_DATA_FOR_MSC_STR-STAFO sy-vline 
WA_HASH_DATA_FOR_MSC_STR-STWAE sy-vline 
WA_HASH_DATA_FOR_MSC_STR-XIMMATRIK sy-vline 
WA_HASH_DATA_FOR_MSC_STR-IMMATDAT sy-vline 
WA_HASH_DATA_FOR_MSC_STR-XSEPFKKOPF sy-vline 
WA_HASH_DATA_FOR_MSC_STR-XREMRECHT sy-vline 
WA_HASH_DATA_FOR_MSC_STR-REMSP sy-vline 
WA_HASH_DATA_FOR_MSC_STR-KORRGRD sy-vline 
WA_HASH_DATA_FOR_MSC_STR-REMVON sy-vline 
WA_HASH_DATA_FOR_MSC_STR-REMBIS sy-vline 
WA_HASH_DATA_FOR_MSC_STR-REFBELEG sy-vline 
WA_HASH_DATA_FOR_MSC_STR-REMDATUM sy-vline 
WA_HASH_DATA_FOR_MSC_STR-REMSCHEIN sy-vline 
WA_HASH_DATA_FOR_MSC_STR-IVWDATUM sy-vline 
WA_HASH_DATA_FOR_MSC_STR-POSNR_LAST sy-vline 
WA_HASH_DATA_FOR_MSC_STR-POSEX_LAST sy-vline 
WA_HASH_DATA_FOR_MSC_STR-KPOSN_LAST sy-vline 
WA_HASH_DATA_FOR_MSC_STR-XFKBASAUFT sy-vline 
WA_HASH_DATA_FOR_MSC_STR-XFKBASLIEF sy-vline 
WA_HASH_DATA_FOR_MSC_STR-XJKSOFAKT sy-vline 
WA_HASH_DATA_FOR_MSC_STR-ERFUSER sy-vline 
WA_HASH_DATA_FOR_MSC_STR-ERFDATE sy-vline 
WA_HASH_DATA_FOR_MSC_STR-ERFTIME sy-vline 
WA_HASH_DATA_FOR_MSC_STR-AENUSER sy-vline 
WA_HASH_DATA_FOR_MSC_STR-AENDATE sy-vline 
WA_HASH_DATA_FOR_MSC_STR-AENTIME sy-vline 
WA_HASH_DATA_FOR_MSC_STR-XWBZABO sy-vline 
WA_HASH_DATA_FOR_MSC_STR-XFKVDICHT sy-vline 
WA_HASH_DATA_FOR_MSC_STR-XSTATARC sy-vline 
WA_HASH_DATA_FOR_MSC_STR-XNOMESS sy-vline 
WA_HASH_DATA_FOR_MSC_STR-KALSM_AMO sy-vline 
WA_HASH_DATA_FOR_MSC_STR-XRENEWAL sy-vline 
WA_HASH_DATA_FOR_MSC_STR-AMORTN sy-vline 
WA_HASH_DATA_FOR_MSC_STR-REKLERGB sy-vline 
WA_HASH_DATA_FOR_MSC_STR-REKLTYP sy-vline 
WA_HASH_DATA_FOR_MSC_STR-REKLDATUM sy-vline 
WA_HASH_DATA_FOR_MSC_STR-ITEM sy-vline 
WA_HASH_DATA_FOR_MSC_STR-SCHEDULE_LINE sy-vline      INTO ld_text SEPARATED BY SPACE.

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