ABAP Select data from SAP table HRDESV_BN_ZU_STR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRDESV_BN_ZU_STR 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_BN_ZU_STR. 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_BN_ZU_STR 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_BN_ZU_STR TYPE STANDARD TABLE OF HRDESV_BN_ZU_STR,
      WA_HRDESV_BN_ZU_STR TYPE HRDESV_BN_ZU_STR,
      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_BN_ZU_STR> TYPE HRDESV_BN_ZU_STR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDESV_BN_ZU_STR
*  INTO TABLE @DATA(IT_HRDESV_BN_ZU_STR2).
*--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_BN_ZU_STR INDEX 1 INTO DATA(WA_HRDESV_BN_ZU_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDESV_BN_ZU_STR>-VORMONAT = 1.
<HRDESV_BN_ZU_STR>-BVERF = 1.
<HRDESV_BN_ZU_STR>-TEXT1 = 1.
<HRDESV_BN_ZU_STR>-TEXT2 = 1.
<HRDESV_BN_ZU_STR>-TEXT3 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDESV_BN_ZU_STR-TEXT4, sy-vline,
  WA_HRDESV_BN_ZU_STR-TEXT5, sy-vline,
  WA_HRDESV_BN_ZU_STR-WAERS, sy-vline,
  WA_HRDESV_BN_ZU_STR-BTR11, sy-vline,
  WA_HRDESV_BN_ZU_STR-BTR12, sy-vline,
  WA_HRDESV_BN_ZU_STR-BTR13, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDESV_BN_ZU_STR 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_BN_ZU_STR 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_BN_ZU_STR INTO WA_HRDESV_BN_ZU_STR.


*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_BN_ZU_STR_STR, 
VORMONAT TYPE STRING,
BVERF TYPE STRING,
TEXT1 TYPE STRING,
TEXT2 TYPE STRING,
TEXT3 TYPE STRING,
TEXT4 TYPE STRING,
TEXT5 TYPE STRING,
WAERS TYPE STRING,
BTR11 TYPE STRING,
BTR12 TYPE STRING,
BTR13 TYPE STRING,
BTR14 TYPE STRING,
BTR15 TYPE STRING,
BZUP TYPE STRING,
BZUF TYPE STRING,
BTR21 TYPE STRING,
BTR23 TYPE STRING,
BTR25 TYPE STRING,
BTR31 TYPE STRING,
BTR32 TYPE STRING,
BTR35 TYPE STRING,
BTR41 TYPE STRING,
BTR42 TYPE STRING,
BTR51 TYPE STRING,
BTR52 TYPE STRING,
BTR53 TYPE STRING,
PSTGF TYPE STRING,
BTO11 TYPE STRING,
BTO13 TYPE STRING,
BTO14 TYPE STRING,
KTR01 TYPE STRING,
KTR02 TYPE STRING,
KTR03 TYPE STRING,
KTR05 TYPE STRING,
KTR10 TYPE STRING,
KTR20 TYPE STRING,
KTR40 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDESV_BN_ZU_STR_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_BN_ZU_STR_STR-VORMONAT sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BVERF sy-vline 
WA_HRDESV_BN_ZU_STR_STR-TEXT1 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-TEXT2 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-TEXT3 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-TEXT4 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-TEXT5 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-WAERS sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR11 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR12 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR13 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR14 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR15 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BZUP sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BZUF sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR21 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR23 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR25 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR31 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR32 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR35 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR41 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR42 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR51 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR52 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTR53 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-PSTGF sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTO11 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTO13 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-BTO14 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-KTR01 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-KTR02 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-KTR03 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-KTR05 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-KTR10 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-KTR20 sy-vline 
WA_HRDESV_BN_ZU_STR_STR-KTR40 sy-vline      INTO ld_text SEPARATED BY SPACE.

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