ABAP Select data from SAP table EHSWASKOSTADR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHSWASKOSTADR
*  INTO TABLE @DATA(IT_EHSWASKOSTADR2).
*--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_EHSWASKOSTADR INDEX 1 INTO DATA(WA_EHSWASKOSTADR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHSWASKOSTADR>-ANRED = 1.
<EHSWASKOSTADR>-NAME1 = 1.
<EHSWASKOSTADR>-NAME2 = 1.
<EHSWASKOSTADR>-NAME3 = 1.
<EHSWASKOSTADR>-NAME4 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHSWASKOSTADR-STRAS, sy-vline,
  WA_EHSWASKOSTADR-ORT01, sy-vline,
  WA_EHSWASKOSTADR-ORT02, sy-vline,
  WA_EHSWASKOSTADR-LAND1, sy-vline,
  WA_EHSWASKOSTADR-TXJCD, sy-vline,
  WA_EHSWASKOSTADR-PFACH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHSWASKOSTADR 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_EHSWASKOSTADR 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_EHSWASKOSTADR INTO WA_EHSWASKOSTADR.


*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 ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_EHSWASKOSTADR-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHSWASKOSTADR-SPRAS.
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_EHSWASKOSTADR_STR, 
ANRED TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
NAME4 TYPE STRING,
STRAS TYPE STRING,
ORT01 TYPE STRING,
ORT02 TYPE STRING,
LAND1 TYPE STRING,
TXJCD TYPE STRING,
PFACH TYPE STRING,
PSTLZ TYPE STRING,
PSTL2 TYPE STRING,
REGIO TYPE STRING,
TELF1 TYPE STRING,
TELF2 TYPE STRING,
SPRAS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHSWASKOSTADR_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_EHSWASKOSTADR_STR-ANRED sy-vline 
WA_EHSWASKOSTADR_STR-NAME1 sy-vline 
WA_EHSWASKOSTADR_STR-NAME2 sy-vline 
WA_EHSWASKOSTADR_STR-NAME3 sy-vline 
WA_EHSWASKOSTADR_STR-NAME4 sy-vline 
WA_EHSWASKOSTADR_STR-STRAS sy-vline 
WA_EHSWASKOSTADR_STR-ORT01 sy-vline 
WA_EHSWASKOSTADR_STR-ORT02 sy-vline 
WA_EHSWASKOSTADR_STR-LAND1 sy-vline 
WA_EHSWASKOSTADR_STR-TXJCD sy-vline 
WA_EHSWASKOSTADR_STR-PFACH sy-vline 
WA_EHSWASKOSTADR_STR-PSTLZ sy-vline 
WA_EHSWASKOSTADR_STR-PSTL2 sy-vline 
WA_EHSWASKOSTADR_STR-REGIO sy-vline 
WA_EHSWASKOSTADR_STR-TELF1 sy-vline 
WA_EHSWASKOSTADR_STR-TELF2 sy-vline 
WA_EHSWASKOSTADR_STR-SPRAS sy-vline      INTO ld_text SEPARATED BY SPACE.

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