ABAP Select data from SAP table HRDESV_BA_S_DBKE_V02 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRDESV_BA_S_DBKE_V02 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_BA_S_DBKE_V02. 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_BA_S_DBKE_V02 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_BA_S_DBKE_V02 TYPE STANDARD TABLE OF HRDESV_BA_S_DBKE_V02,
      WA_HRDESV_BA_S_DBKE_V02 TYPE HRDESV_BA_S_DBKE_V02,
      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_BA_S_DBKE_V02> TYPE HRDESV_BA_S_DBKE_V02.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRDESV_BA_S_DBKE_V02.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRDESV_BA_S_DBKE_V02
  INTO TABLE IT_HRDESV_BA_S_DBKE_V02.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDESV_BA_S_DBKE_V02
*  INTO TABLE @DATA(IT_HRDESV_BA_S_DBKE_V022).
*--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_BA_S_DBKE_V02 INDEX 1 INTO DATA(WA_HRDESV_BA_S_DBKE_V022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRDESV_BA_S_DBKE_V02 ASSIGNING <HRDESV_BA_S_DBKE_V02>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDESV_BA_S_DBKE_V02>-KE = 1.
<HRDESV_BA_S_DBKE_V02>-AVEND = 1.
<HRDESV_BA_S_DBKE_V02>-BVEND = 1.
<HRDESV_BA_S_DBKE_V02>-AVBFR = 1.
<HRDESV_BA_S_DBKE_V02>-AVBFSCHR = 1.

ENDLOOP.

LOOP AT IT_HRDESV_BA_S_DBKE_V02 INTO WA_HRDESV_BA_S_DBKE_V02.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDESV_BA_S_DBKE_V02-AVBFURSP, sy-vline,
  WA_HRDESV_BA_S_DBKE_V02-AVBFABSCHL, sy-vline,
  WA_HRDESV_BA_S_DBKE_V02-VLBAV, sy-vline,
  WA_HRDESV_BA_S_DBKE_V02-AVBFABVL, sy-vline,
  WA_HRDESV_BA_S_DBKE_V02-AVBFRL, sy-vline,
  WA_HRDESV_BA_S_DBKE_V02-AVKUEAM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDESV_BA_S_DBKE_V02 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_BA_S_DBKE_V02 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_BA_S_DBKE_V02 INTO WA_HRDESV_BA_S_DBKE_V02.


*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_BA_S_DBKE_V02_STR, 
KE TYPE STRING,
AVEND TYPE STRING,
BVEND TYPE STRING,
AVBFR TYPE STRING,
AVBFSCHR TYPE STRING,
AVBFURSP TYPE STRING,
AVBFABSCHL TYPE STRING,
VLBAV TYPE STRING,
AVBFABVL TYPE STRING,
AVBFRL TYPE STRING,
AVKUEAM TYPE STRING,
AVUWFWZ TYPE STRING,
AVUWFWZBEG TYPE STRING,
AVLETZTRL TYPE STRING,
AVKUEDU TYPE STRING,
AVKUESCH TYPE STRING,
AVKUEBETR TYPE STRING,
AVKUESCHUKL TYPE STRING,
AVKUEZUST TYPE STRING,
AVKUEAL TYPE STRING,
AVKUEALAM TYPE STRING,
AVAMDAT TYPE STRING,
AVKUEZVB TYPE STRING,
SAW TYPE STRING,
SAWPRSC TYPE STRING,
AGKUEAM TYPE STRING,
AGKUEZU TYPE STRING,
KF TYPE STRING,
KFZE TYPE STRING,
KFBZ TYPE STRING,
KA TYPE STRING,
KAU TYPE STRING,
KAUAUG TYPE STRING,
OKGL TYPE STRING,
OKGLFG TYPE STRING,
AVENLZ TYPE STRING,
AVENLZG TYPE STRING,
ABF TYPE STRING,
ABFHOE TYPE STRING,
BETZU TYPE STRING,
BVEGEN TYPE STRING,
BVEGENB TYPE STRING,
AVENUAG TYPE STRING,
BVENUR TYPE STRING,
AVENVL TYPE STRING,
AVENVGB TYPE STRING,
AVENVG TYPE STRING,
ABFMONAT TYPE STRING,
ABFGEZ TYPE STRING,
BFHG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDESV_BA_S_DBKE_V02_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_BA_S_DBKE_V02_STR-KE sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVEND sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-BVEND sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVBFR sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVBFSCHR sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVBFURSP sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVBFABSCHL sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-VLBAV sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVBFABVL sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVBFRL sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVKUEAM sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVUWFWZ sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVUWFWZBEG sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVLETZTRL sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVKUEDU sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVKUESCH sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVKUEBETR sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVKUESCHUKL sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVKUEZUST sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVKUEAL sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVKUEALAM sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVAMDAT sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVKUEZVB sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-SAW sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-SAWPRSC sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AGKUEAM sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AGKUEZU sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-KF sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-KFZE sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-KFBZ sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-KA sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-KAU sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-KAUAUG sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-OKGL sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-OKGLFG sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVENLZ sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVENLZG sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-ABF sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-ABFHOE sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-BETZU sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-BVEGEN sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-BVEGENB sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVENUAG sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-BVENUR sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVENVL sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVENVGB sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-AVENVG sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-ABFMONAT sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-ABFGEZ sy-vline 
WA_HRDESV_BA_S_DBKE_V02_STR-BFHG sy-vline      INTO ld_text SEPARATED BY SPACE.

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