ABAP Select data from SAP table REPRC_APPORTIONMENT_UNIT_X into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REPRC_APPORTIONMENT_UNIT_X
*  INTO TABLE @DATA(IT_REPRC_APPORTIONMENT_UNIT_X2).
*--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_REPRC_APPORTIONMENT_UNIT_X INDEX 1 INTO DATA(WA_REPRC_APPORTIONMENT_UNIT_X2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REPRC_APPORTIONMENT_UNIT_X>-MANDT = 1.
<REPRC_APPORTIONMENT_UNIT_X>-SABRG = 1.
<REPRC_APPORTIONMENT_UNIT_X>-GRDANT = 1.
<REPRC_APPORTIONMENT_UNIT_X>-JUMLE = 1.
<REPRC_APPORTIONMENT_UNIT_X>-JVERBR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REPRC_APPORTIONMENT_UNIT_X-JZEND, sy-vline,
  WA_REPRC_APPORTIONMENT_UNIT_X-JUMLKOAR, sy-vline,
  WA_REPRC_APPORTIONMENT_UNIT_X-JPROZENT, sy-vline,
  WA_REPRC_APPORTIONMENT_UNIT_X-ATNAM, sy-vline,
  WA_REPRC_APPORTIONMENT_UNIT_X-JLEER0, sy-vline,
  WA_REPRC_APPORTIONMENT_UNIT_X-MPTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REPRC_APPORTIONMENT_UNIT_X 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_REPRC_APPORTIONMENT_UNIT_X 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_REPRC_APPORTIONMENT_UNIT_X INTO WA_REPRC_APPORTIONMENT_UNIT_X.


*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_REPRC_APPORTIONMENT_UNIT_X-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REPRC_APPORTIONMENT_UNIT_X-SPRAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field XEINHEIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_REPRC_APPORTIONMENT_UNIT_X-XEINHEIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REPRC_APPORTIONMENT_UNIT_X-XEINHEIT.
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_REPRC_APPORTIONMENT_UNIT_X_STR, 
MANDT TYPE STRING,
SABRG TYPE STRING,
GRDANT TYPE STRING,
JUMLE TYPE STRING,
JVERBR TYPE STRING,
JZEND TYPE STRING,
JUMLKOAR TYPE STRING,
JPROZENT TYPE STRING,
ATNAM TYPE STRING,
JLEER0 TYPE STRING,
MPTYP TYPE STRING,
JUMLGLEI TYPE STRING,
JDIRECT TYPE STRING,
FLG_GW TYPE STRING,
SPRAS TYPE STRING,
XUMLEL TYPE STRING,
XUMLEK TYPE STRING,
XEINHEIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REPRC_APPORTIONMENT_UNIT_X_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_REPRC_APPORTIONMENT_UNIT_X_STR-MANDT sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-SABRG sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-GRDANT sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-JUMLE sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-JVERBR sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-JZEND sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-JUMLKOAR sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-JPROZENT sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-ATNAM sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-JLEER0 sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-MPTYP sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-JUMLGLEI sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-JDIRECT sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-FLG_GW sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-SPRAS sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-XUMLEL sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-XUMLEK sy-vline 
WA_REPRC_APPORTIONMENT_UNIT_X_STR-XEINHEIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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