ABAP Select data from SAP table HRTNM_S_SNAP_ALV_EMPL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRTNM_S_SNAP_ALV_EMPL
*  INTO TABLE @DATA(IT_HRTNM_S_SNAP_ALV_EMPL2).
*--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_HRTNM_S_SNAP_ALV_EMPL INDEX 1 INTO DATA(WA_HRTNM_S_SNAP_ALV_EMPL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRTNM_S_SNAP_ALV_EMPL>-OBJTP = 1.
<HRTNM_S_SNAP_ALV_EMPL>-BEGTP = 1.
<HRTNM_S_SNAP_ALV_EMPL>-ENDTP = 1.
<HRTNM_S_SNAP_ALV_EMPL>-SHRTP = 1.
<HRTNM_S_SNAP_ALV_EMPL>-NAMTP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRTNM_S_SNAP_ALV_EMPL-PARID, sy-vline,
  WA_HRTNM_S_SNAP_ALV_EMPL-OBJTN, sy-vline,
  WA_HRTNM_S_SNAP_ALV_EMPL-CHILD, sy-vline,
  WA_HRTNM_S_SNAP_ALV_EMPL-SHRTN, sy-vline,
  WA_HRTNM_S_SNAP_ALV_EMPL-NAMTN, sy-vline,
  WA_HRTNM_S_SNAP_ALV_EMPL-BEGTN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRTNM_S_SNAP_ALV_EMPL 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_HRTNM_S_SNAP_ALV_EMPL 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_HRTNM_S_SNAP_ALV_EMPL INTO WA_HRTNM_S_SNAP_ALV_EMPL.


*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 KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRTNM_S_SNAP_ALV_EMPL-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRTNM_S_SNAP_ALV_EMPL-KOSTL.
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_HRTNM_S_SNAP_ALV_EMPL_STR, 
OBJTP TYPE STRING,
BEGTP TYPE STRING,
ENDTP TYPE STRING,
SHRTP TYPE STRING,
NAMTP TYPE STRING,
PARID TYPE STRING,
OBJTN TYPE STRING,
CHILD TYPE STRING,
SHRTN TYPE STRING,
NAMTN TYPE STRING,
BEGTN TYPE STRING,
ENDTN TYPE STRING,
STATU TYPE STRING,
REASO TYPE STRING,
TNOWN TYPE STRING,
PRIOT TYPE STRING,
PEBEG TYPE STRING,
PEEND TYPE STRING,
NBPER TYPE STRING,
KAPZ3 TYPE STRING,
TOTDU TYPE STRING,
TLREF TYPE STRING,
UPOBT TYPE STRING,
UPOBJ TYPE STRING,
EVOBT TYPE STRING,
EVOBJ TYPE STRING,
EVSHR TYPE STRING,
EVNAM TYPE STRING,
NBOLD TYPE STRING,
TNDTY TYPE STRING,
TNDCH TYPE STRING,
ATTID TYPE STRING,
OBTYP TYPE STRING,
NBATT TYPE STRING,
NBWOM TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
FTEGC TYPE STRING,
FRMIN TYPE STRING,
PADTY TYPE STRING,
PADCH TYPE STRING,
PERNR TYPE STRING,
PERID TYPE STRING,
NACHN TYPE STRING,
VORNA TYPE STRING,
VDSK1 TYPE STRING,
VDSK1_TXT TYPE STRING,
VDSK1_TXT2 TYPE STRING,
GSBER TYPE STRING,
GSBER_TXT TYPE STRING,
ORGEH TYPE STRING,
SHRO TYPE STRING,
LTXO TYPE STRING,
PLANS TYPE STRING,
SHRS TYPE STRING,
LTXS TYPE STRING,
STELL TYPE STRING,
SHRC TYPE STRING,
LTXC TYPE STRING,
PEAGE TYPE STRING,
GESCH TYPE STRING,
OBTYE TYPE STRING,
OBTID TYPE STRING,
EVBEG TYPE STRING,
EVEND TYPE STRING,
PRPTT TYPE STRING,
PRHTT TYPE STRING,
ABHRS TYPE STRING,
ATCAT TYPE STRING,
TSCHT TYPE STRING,
INTRN TYPE STRING,
EVDAY TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
OOTYP TYPE STRING,
OOBID TYPE STRING,
OOSHT TYPE STRING,
OOLTX TYPE STRING,
SCLAS TYPE STRING,
SOBID TYPE STRING,
STEXT TYPE STRING,
KOBES TYPE STRING,
COCAC TYPE STRING,
COTYP TYPE STRING,
CAGRC TYPE STRING,
CAGRT TYPE STRING,
C2483 TYPE STRING,
SUBVE TYPE STRING,
KOSTL TYPE STRING,
AMPTT TYPE STRING,
AMHTT TYPE STRING,
WAERS TYPE STRING,
ONGHT TYPE STRING,
IORDT TYPE STRING,
INVDT TYPE STRING,
ACCDT TYPE STRING,
AMOLD TYPE STRING,
AMDEL TYPE STRING,
TTYPE TYPE STRING,
TPCAT TYPE STRING,
TFCAT TYPE STRING,
NBHRS TYPE STRING,
HDOWT TYPE STRING,
REDTY TYPE STRING,
REDCH TYPE STRING,
CELLTAB TYPE STRING,
COLORTAB TYPE STRING,
PCS2483 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRTNM_S_SNAP_ALV_EMPL_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_HRTNM_S_SNAP_ALV_EMPL_STR-OBJTP sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-BEGTP sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-ENDTP sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-SHRTP sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-NAMTP sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-PARID sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-OBJTN sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-CHILD sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-SHRTN sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-NAMTN sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-BEGTN sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-ENDTN sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-STATU sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-REASO sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-TNOWN sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-PRIOT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-PEBEG sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-PEEND sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-NBPER sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-KAPZ3 sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-TOTDU sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-TLREF sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-UPOBT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-UPOBJ sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-EVOBT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-EVOBJ sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-EVSHR sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-EVNAM sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-NBOLD sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-TNDTY sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-TNDCH sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-ATTID sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-OBTYP sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-NBATT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-NBWOM sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-BUKRS sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-WERKS sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-BTRTL sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-FTEGC sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-FRMIN sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-PADTY sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-PADCH sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-PERNR sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-PERID sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-NACHN sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-VORNA sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-VDSK1 sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-VDSK1_TXT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-VDSK1_TXT2 sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-GSBER sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-GSBER_TXT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-ORGEH sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-SHRO sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-LTXO sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-PLANS sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-SHRS sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-LTXS sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-STELL sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-SHRC sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-LTXC sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-PEAGE sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-GESCH sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-OBTYE sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-OBTID sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-EVBEG sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-EVEND sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-PRPTT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-PRHTT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-ABHRS sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-ATCAT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-TSCHT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-INTRN sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-EVDAY sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-PERSG sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-PERSK sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-OOTYP sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-OOBID sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-OOSHT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-OOLTX sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-SCLAS sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-SOBID sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-STEXT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-KOBES sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-COCAC sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-COTYP sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-CAGRC sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-CAGRT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-C2483 sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-SUBVE sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-KOSTL sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-AMPTT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-AMHTT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-WAERS sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-ONGHT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-IORDT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-INVDT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-ACCDT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-AMOLD sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-AMDEL sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-TTYPE sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-TPCAT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-TFCAT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-NBHRS sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-HDOWT sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-REDTY sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-REDCH sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-CELLTAB sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-COLORTAB sy-vline 
WA_HRTNM_S_SNAP_ALV_EMPL_STR-PCS2483 sy-vline      INTO ld_text SEPARATED BY SPACE.

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