ABAP Select data from SAP table REOR_NEIGHBORHOOD_F4_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP REOR_NEIGHBORHOOD_F4_S 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 REOR_NEIGHBORHOOD_F4_S. 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 REOR_NEIGHBORHOOD_F4_S 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_REOR_NEIGHBORHOOD_F4_S TYPE STANDARD TABLE OF REOR_NEIGHBORHOOD_F4_S,
      WA_REOR_NEIGHBORHOOD_F4_S TYPE REOR_NEIGHBORHOOD_F4_S,
      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: <REOR_NEIGHBORHOOD_F4_S> TYPE REOR_NEIGHBORHOOD_F4_S.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_REOR_NEIGHBORHOOD_F4_S.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM REOR_NEIGHBORHOOD_F4_S
  INTO TABLE IT_REOR_NEIGHBORHOOD_F4_S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REOR_NEIGHBORHOOD_F4_S
*  INTO TABLE @DATA(IT_REOR_NEIGHBORHOOD_F4_S2).
*--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_REOR_NEIGHBORHOOD_F4_S INDEX 1 INTO DATA(WA_REOR_NEIGHBORHOOD_F4_S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_REOR_NEIGHBORHOOD_F4_S ASSIGNING <REOR_NEIGHBORHOOD_F4_S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REOR_NEIGHBORHOOD_F4_S>-RSOBJTYPE = 1.
<REOR_NEIGHBORHOOD_F4_S>-NEIGHBORH1 = 1.
<REOR_NEIGHBORHOOD_F4_S>-NEIGHBORH2 = 1.
<REOR_NEIGHBORHOOD_F4_S>-NEIGHBORH3 = 1.
<REOR_NEIGHBORHOOD_F4_S>-XRSOBJTYPE = 1.

ENDLOOP.

LOOP AT IT_REOR_NEIGHBORHOOD_F4_S INTO WA_REOR_NEIGHBORHOOD_F4_S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REOR_NEIGHBORHOOD_F4_S-XNEIGHBORH1, sy-vline,
  WA_REOR_NEIGHBORHOOD_F4_S-XNEIGHBORH2, sy-vline,
  WA_REOR_NEIGHBORHOOD_F4_S-XNEIGHBORH3, sy-vline,
  WA_REOR_NEIGHBORHOOD_F4_S-XAO1, sy-vline,
  WA_REOR_NEIGHBORHOOD_F4_S-XAO2, sy-vline,
  WA_REOR_NEIGHBORHOOD_F4_S-XAO3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REOR_NEIGHBORHOOD_F4_S 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_REOR_NEIGHBORHOOD_F4_S 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_REOR_NEIGHBORHOOD_F4_S INTO WA_REOR_NEIGHBORHOOD_F4_S.


*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_REOR_NEIGHBORHOOD_F4_S_STR, 
RSOBJTYPE TYPE STRING,
NEIGHBORH1 TYPE STRING,
NEIGHBORH2 TYPE STRING,
NEIGHBORH3 TYPE STRING,
XRSOBJTYPE TYPE STRING,
XNEIGHBORH1 TYPE STRING,
XNEIGHBORH2 TYPE STRING,
XNEIGHBORH3 TYPE STRING,
XAO1 TYPE STRING,
XAO2 TYPE STRING,
XAO3 TYPE STRING,
RESPONSIBLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REOR_NEIGHBORHOOD_F4_S_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_REOR_NEIGHBORHOOD_F4_S_STR-RSOBJTYPE sy-vline 
WA_REOR_NEIGHBORHOOD_F4_S_STR-NEIGHBORH1 sy-vline 
WA_REOR_NEIGHBORHOOD_F4_S_STR-NEIGHBORH2 sy-vline 
WA_REOR_NEIGHBORHOOD_F4_S_STR-NEIGHBORH3 sy-vline 
WA_REOR_NEIGHBORHOOD_F4_S_STR-XRSOBJTYPE sy-vline 
WA_REOR_NEIGHBORHOOD_F4_S_STR-XNEIGHBORH1 sy-vline 
WA_REOR_NEIGHBORHOOD_F4_S_STR-XNEIGHBORH2 sy-vline 
WA_REOR_NEIGHBORHOOD_F4_S_STR-XNEIGHBORH3 sy-vline 
WA_REOR_NEIGHBORHOOD_F4_S_STR-XAO1 sy-vline 
WA_REOR_NEIGHBORHOOD_F4_S_STR-XAO2 sy-vline 
WA_REOR_NEIGHBORHOOD_F4_S_STR-XAO3 sy-vline 
WA_REOR_NEIGHBORHOOD_F4_S_STR-RESPONSIBLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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