ABAP Select data from SAP table HRDESV_EA_S_SACHE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDESV_EA_S_SACHE
*  INTO TABLE @DATA(IT_HRDESV_EA_S_SACHE2).
*--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_HRDESV_EA_S_SACHE INDEX 1 INTO DATA(WA_HRDESV_EA_S_SACHE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDESV_EA_S_SACHE>-GD = 1.
<HRDESV_EA_S_SACHE>-GDT = 1.
<HRDESV_EA_S_SACHE>-BEGDA = 1.
<HRDESV_EA_S_SACHE>-ENDDA = 1.
<HRDESV_EA_S_SACHE>-ARTAB = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDESV_EA_S_SACHE-WERKS, sy-vline,
  WA_HRDESV_EA_S_SACHE-BTRTL, sy-vline,
  WA_HRDESV_EA_S_SACHE-BTRNRAG, sy-vline,
  WA_HRDESV_EA_S_SACHE-KVSFR, sy-vline,
  WA_HRDESV_EA_S_SACHE-BTRNRKK, sy-vline,
  WA_HRDESV_EA_S_SACHE-ARTVERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDESV_EA_S_SACHE 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_HRDESV_EA_S_SACHE 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_HRDESV_EA_S_SACHE INTO WA_HRDESV_EA_S_SACHE.


*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_HRDESV_EA_S_SACHE_STR, 
GD TYPE STRING,
GDT TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
ARTAB TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
BTRNRAG TYPE STRING,
KVSFR TYPE STRING,
BTRNRKK TYPE STRING,
ARTVERS TYPE STRING,
BESCH TYPE STRING,
HOEBBG TYPE STRING,
DBAU_EG TYPE STRING,
DBAU_ARTEG TYPE STRING,
DBAU_AUSFALLZ TYPE STRING,
DBAU_ARTAUSF TYPE STRING,
DBAU_AZWOECH TYPE STRING,
DBAU_AZTGL TYPE STRING,
KNZEV TYPE STRING,
FBRUTAU TYPE STRING,
SVAE TYPE STRING,
FAGANT TYPE STRING,
EAZBAV TYPE STRING,
ESATZ TYPE STRING,
EB TYPE STRING,
BRUTMON_P TYPE STRING,
NETTG_P TYPE STRING,
NETMON_P TYPE STRING,
NETBESCH_P TYPE STRING,
DBZU_SFBEG TYPE STRING,
DBZU_SFEND TYPE STRING,
LAT TYPE STRING,
MUTEN TYPE STRING,
STATERR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDESV_EA_S_SACHE_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_HRDESV_EA_S_SACHE_STR-GD sy-vline 
WA_HRDESV_EA_S_SACHE_STR-GDT sy-vline 
WA_HRDESV_EA_S_SACHE_STR-BEGDA sy-vline 
WA_HRDESV_EA_S_SACHE_STR-ENDDA sy-vline 
WA_HRDESV_EA_S_SACHE_STR-ARTAB sy-vline 
WA_HRDESV_EA_S_SACHE_STR-WERKS sy-vline 
WA_HRDESV_EA_S_SACHE_STR-BTRTL sy-vline 
WA_HRDESV_EA_S_SACHE_STR-BTRNRAG sy-vline 
WA_HRDESV_EA_S_SACHE_STR-KVSFR sy-vline 
WA_HRDESV_EA_S_SACHE_STR-BTRNRKK sy-vline 
WA_HRDESV_EA_S_SACHE_STR-ARTVERS sy-vline 
WA_HRDESV_EA_S_SACHE_STR-BESCH sy-vline 
WA_HRDESV_EA_S_SACHE_STR-HOEBBG sy-vline 
WA_HRDESV_EA_S_SACHE_STR-DBAU_EG sy-vline 
WA_HRDESV_EA_S_SACHE_STR-DBAU_ARTEG sy-vline 
WA_HRDESV_EA_S_SACHE_STR-DBAU_AUSFALLZ sy-vline 
WA_HRDESV_EA_S_SACHE_STR-DBAU_ARTAUSF sy-vline 
WA_HRDESV_EA_S_SACHE_STR-DBAU_AZWOECH sy-vline 
WA_HRDESV_EA_S_SACHE_STR-DBAU_AZTGL sy-vline 
WA_HRDESV_EA_S_SACHE_STR-KNZEV sy-vline 
WA_HRDESV_EA_S_SACHE_STR-FBRUTAU sy-vline 
WA_HRDESV_EA_S_SACHE_STR-SVAE sy-vline 
WA_HRDESV_EA_S_SACHE_STR-FAGANT sy-vline 
WA_HRDESV_EA_S_SACHE_STR-EAZBAV sy-vline 
WA_HRDESV_EA_S_SACHE_STR-ESATZ sy-vline 
WA_HRDESV_EA_S_SACHE_STR-EB sy-vline 
WA_HRDESV_EA_S_SACHE_STR-BRUTMON_P sy-vline 
WA_HRDESV_EA_S_SACHE_STR-NETTG_P sy-vline 
WA_HRDESV_EA_S_SACHE_STR-NETMON_P sy-vline 
WA_HRDESV_EA_S_SACHE_STR-NETBESCH_P sy-vline 
WA_HRDESV_EA_S_SACHE_STR-DBZU_SFBEG sy-vline 
WA_HRDESV_EA_S_SACHE_STR-DBZU_SFEND sy-vline 
WA_HRDESV_EA_S_SACHE_STR-LAT sy-vline 
WA_HRDESV_EA_S_SACHE_STR-MUTEN sy-vline 
WA_HRDESV_EA_S_SACHE_STR-STATERR sy-vline      INTO ld_text SEPARATED BY SPACE.

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