ABAP Select data from SAP table HRDEST_E2_S_STATUS_MLD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRDEST_E2_S_STATUS_MLD 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 HRDEST_E2_S_STATUS_MLD. 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 HRDEST_E2_S_STATUS_MLD 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_HRDEST_E2_S_STATUS_MLD TYPE STANDARD TABLE OF HRDEST_E2_S_STATUS_MLD,
      WA_HRDEST_E2_S_STATUS_MLD TYPE HRDEST_E2_S_STATUS_MLD,
      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: <HRDEST_E2_S_STATUS_MLD> TYPE HRDEST_E2_S_STATUS_MLD.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRDEST_E2_S_STATUS_MLD.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRDEST_E2_S_STATUS_MLD
  INTO TABLE IT_HRDEST_E2_S_STATUS_MLD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDEST_E2_S_STATUS_MLD
*  INTO TABLE @DATA(IT_HRDEST_E2_S_STATUS_MLD2).
*--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_HRDEST_E2_S_STATUS_MLD INDEX 1 INTO DATA(WA_HRDEST_E2_S_STATUS_MLD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRDEST_E2_S_STATUS_MLD ASSIGNING <HRDEST_E2_S_STATUS_MLD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDEST_E2_S_STATUS_MLD>-MANDT = 1.
<HRDEST_E2_S_STATUS_MLD>-GUID = 1.
<HRDEST_E2_S_STATUS_MLD>-PERNR = 1.
<HRDEST_E2_S_STATUS_MLD>-WERKS = 1.
<HRDEST_E2_S_STATUS_MLD>-BTRTL = 1.

ENDLOOP.

LOOP AT IT_HRDEST_E2_S_STATUS_MLD INTO WA_HRDEST_E2_S_STATUS_MLD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDEST_E2_S_STATUS_MLD-WERKS_SUM, sy-vline,
  WA_HRDEST_E2_S_STATUS_MLD-BTRTL_SUM, sy-vline,
  WA_HRDEST_E2_S_STATUS_MLD-WERKS_DL, sy-vline,
  WA_HRDEST_E2_S_STATUS_MLD-BTRTL_DL, sy-vline,
  WA_HRDEST_E2_S_STATUS_MLD-WERKS_E2, sy-vline,
  WA_HRDEST_E2_S_STATUS_MLD-BTRTL_E2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDEST_E2_S_STATUS_MLD 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_HRDEST_E2_S_STATUS_MLD 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_HRDEST_E2_S_STATUS_MLD INTO WA_HRDEST_E2_S_STATUS_MLD.


*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_HRDEST_E2_S_STATUS_MLD_STR, 
MANDT TYPE STRING,
GUID TYPE STRING,
PERNR TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
WERKS_SUM TYPE STRING,
BTRTL_SUM TYPE STRING,
WERKS_DL TYPE STRING,
BTRTL_DL TYPE STRING,
WERKS_E2 TYPE STRING,
BTRTL_E2 TYPE STRING,
GUID_CNECT TYPE STRING,
NDTIC TYPE STRING,
AUSDATUM TYPE STRING,
ART TYPE STRING,
STATUS TYPE STRING,
STICHTAG TYPE STRING,
IDNR TYPE STRING,
REPORT TYPE STRING,
GDATE TYPE STRING,
GTIME TYPE STRING,
UNAME TYPE STRING,
MSGTY TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
GUID_CANCEL TYPE STRING,
SPEZ_TYP TYPE STRING,
REFABMELDUNG TYPE STRING,
GUID_REF_ANAB TYPE STRING,
NDTIC_IN TYPE STRING,
TESTD TYPE STRING,
EINDATUM TYPE STRING,
B2AID_LISTMTL TYPE STRING,
B2AID_LIST TYPE STRING,
SYSID TYPE STRING,
SYMDT TYPE STRING,
AGSTNR TYPE STRING,
BEGDA0012 TYPE STRING,
ELSTAM_VH TYPE STRING,
MELDUNG_OK TYPE STRING,
TFTIC_TH_IN TYPE STRING,
TFTIC_NDB_IN TYPE STRING,
EFOLGE TYPE STRING,
QUARANTAENE TYPE STRING,
MLD_KNZ_HAUPTAG TYPE STRING,
MLD_MLDSTATUS TYPE STRING,
MLD_MLDSTATUS_LIGHT TYPE STRING,
MLD_STAT_TXT TYPE STRING,
MLD_ART_TXT TYPE STRING,
RES_GUID TYPE STRING,
RES_STAT TYPE STRING,
RES_STAT_TXT TYPE STRING,
RES_ART TYPE STRING,
RES_ART_TXT TYPE STRING,
ELSTAM_GUELTIGAB TYPE STRING,
ELSTAM_STRKL TYPE STRING,
ELSTAM_KDFBT TYPE STRING,
ELSTAM_FREIJ TYPE STRING,
ELSTAM_FREIM TYPE STRING,
ELSTAM_FREIW TYPE STRING,
ELSTAM_FREIT TYPE STRING,
ELSTAM_HINZJ TYPE STRING,
ELSTAM_HINZM TYPE STRING,
ELSTAM_HINZW TYPE STRING,
ELSTAM_HINZT TYPE STRING,
ELSTAM_KISTA TYPE STRING,
ELSTAM_KISTE TYPE STRING,
ELSTAM_FAKTOR TYPE STRING,
ELSTAM_AGSTNR TYPE STRING,
ELSTAM_FEHLER_NR TYPE STRING,
ELSTAM_FEHLER_TXT TYPE STRING,
ELSTAM_BESCHAEFTIGUNG TYPE STRING,
LISTMTL_LDATA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDEST_E2_S_STATUS_MLD_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_HRDEST_E2_S_STATUS_MLD_STR-MANDT sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-GUID sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-PERNR sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-WERKS sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-BTRTL sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-WERKS_SUM sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-BTRTL_SUM sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-WERKS_DL sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-BTRTL_DL sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-WERKS_E2 sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-BTRTL_E2 sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-GUID_CNECT sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-NDTIC sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-AUSDATUM sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ART sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-STATUS sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-STICHTAG sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-IDNR sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-REPORT sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-GDATE sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-GTIME sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-UNAME sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-MSGTY sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-MSGID sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-MSGNO sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-MSGV1 sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-MSGV2 sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-MSGV3 sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-MSGV4 sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-GUID_CANCEL sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-SPEZ_TYP sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-REFABMELDUNG sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-GUID_REF_ANAB sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-NDTIC_IN sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-TESTD sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-EINDATUM sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-B2AID_LISTMTL sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-B2AID_LIST sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-SYSID sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-SYMDT sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-AGSTNR sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-BEGDA0012 sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_VH sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-MELDUNG_OK sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-TFTIC_TH_IN sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-TFTIC_NDB_IN sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-EFOLGE sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-QUARANTAENE sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-MLD_KNZ_HAUPTAG sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-MLD_MLDSTATUS sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-MLD_MLDSTATUS_LIGHT sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-MLD_STAT_TXT sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-MLD_ART_TXT sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-RES_GUID sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-RES_STAT sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-RES_STAT_TXT sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-RES_ART sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-RES_ART_TXT sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_GUELTIGAB sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_STRKL sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_KDFBT sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_FREIJ sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_FREIM sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_FREIW sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_FREIT sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_HINZJ sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_HINZM sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_HINZW sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_HINZT sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_KISTA sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_KISTE sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_FAKTOR sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_AGSTNR sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_FEHLER_NR sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_FEHLER_TXT sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-ELSTAM_BESCHAEFTIGUNG sy-vline 
WA_HRDEST_E2_S_STATUS_MLD_STR-LISTMTL_LDATA sy-vline      INTO ld_text SEPARATED BY SPACE.

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