ABAP Select data from SAP table REAJ_RECRLRA_IS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REAJ_RECRLRA_IS
*  INTO TABLE @DATA(IT_REAJ_RECRLRA_IS2).
*--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_REAJ_RECRLRA_IS INDEX 1 INTO DATA(WA_REAJ_RECRLRA_IS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REAJ_RECRLRA_IS>-RLRA = 1.
<REAJ_RECRLRA_IS>-RLRAFIXFITCATE = 1.
<REAJ_RECRLRA_IS>-RLRALOC = 1.
<REAJ_RECRLRA_IS>-RLRAAGE = 1.
<REAJ_RECRLRA_IS>-RLRAAGEFROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REAJ_RECRLRA_IS-RLRAAGETO, sy-vline,
  WA_REAJ_RECRLRA_IS-RLRASIZ, sy-vline,
  WA_REAJ_RECRLRA_IS-RLRAARPOFROM, sy-vline,
  WA_REAJ_RECRLRA_IS-RLRAARPOTO, sy-vline,
  WA_REAJ_RECRLRA_IS-BUILDDATE, sy-vline,
  WA_REAJ_RECRLRA_IS-MEASVALUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REAJ_RECRLRA_IS 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_REAJ_RECRLRA_IS 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_REAJ_RECRLRA_IS INTO WA_REAJ_RECRLRA_IS.


*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 ALPHA, internal->external for field RLRA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_RECRLRA_IS-RLRA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_RECRLRA_IS-RLRA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RLRAFIXFITCATE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_RECRLRA_IS-RLRAFIXFITCATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_RECRLRA_IS-RLRAFIXFITCATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RLRALOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_RECRLRA_IS-RLRALOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_RECRLRA_IS-RLRALOC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RLRAAGE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_RECRLRA_IS-RLRAAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_RECRLRA_IS-RLRAAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit REDAT, internal->external for field RLRAAGETO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_RECRLRA_IS-RLRAAGETO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_RECRLRA_IS-RLRAAGETO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RLRASIZ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_RECRLRA_IS-RLRASIZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_RECRLRA_IS-RLRASIZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field RLRASIZUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_RECRLRA_IS-RLRASIZUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_RECRLRA_IS-RLRASIZUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RLRALABEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_RECRLRA_IS-RLRALABEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_RECRLRA_IS-RLRALABEL.
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_REAJ_RECRLRA_IS_STR, 
RLRA TYPE STRING,
RLRAFIXFITCATE TYPE STRING,
RLRALOC TYPE STRING,
RLRAAGE TYPE STRING,
RLRAAGEFROM TYPE STRING,
RLRAAGETO TYPE STRING,
RLRASIZ TYPE STRING,
RLRAARPOFROM TYPE STRING,
RLRAARPOTO TYPE STRING,
BUILDDATE TYPE STRING,
MEASVALUE TYPE STRING,
RLRASIZUNIT TYPE STRING,
RLRARENTAMTMIN TYPE STRING,
RLRARENTAMTMAX TYPE STRING,
RLRARENTAMTMID TYPE STRING,
RLRARENTAMOUNT TYPE STRING,
RLRACURRENCY TYPE STRING,
RLRARENTAMTCOMP TYPE STRING,
RLRALABEL TYPE STRING,
RLRAOPCOSTS TYPE STRING,
RLRAOPCOSTSAREA TYPE STRING,
RLRAFLOOR TYPE STRING,
OBJNR_RO TYPE STRING,
OBJNR_BU TYPE STRING,
XRLRA TYPE STRING,
XRLRAFIXFITCATE TYPE STRING,
XRLRALOC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REAJ_RECRLRA_IS_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_REAJ_RECRLRA_IS_STR-RLRA sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRAFIXFITCATE sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRALOC sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRAAGE sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRAAGEFROM sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRAAGETO sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRASIZ sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRAARPOFROM sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRAARPOTO sy-vline 
WA_REAJ_RECRLRA_IS_STR-BUILDDATE sy-vline 
WA_REAJ_RECRLRA_IS_STR-MEASVALUE sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRASIZUNIT sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRARENTAMTMIN sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRARENTAMTMAX sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRARENTAMTMID sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRARENTAMOUNT sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRACURRENCY sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRARENTAMTCOMP sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRALABEL sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRAOPCOSTS sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRAOPCOSTSAREA sy-vline 
WA_REAJ_RECRLRA_IS_STR-RLRAFLOOR sy-vline 
WA_REAJ_RECRLRA_IS_STR-OBJNR_RO sy-vline 
WA_REAJ_RECRLRA_IS_STR-OBJNR_BU sy-vline 
WA_REAJ_RECRLRA_IS_STR-XRLRA sy-vline 
WA_REAJ_RECRLRA_IS_STR-XRLRAFIXFITCATE sy-vline 
WA_REAJ_RECRLRA_IS_STR-XRLRALOC sy-vline      INTO ld_text SEPARATED BY SPACE.

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