ABAP Select data from SAP table REAJ_ADJM_OBJECT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP REAJ_ADJM_OBJECT 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_ADJM_OBJECT. 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_ADJM_OBJECT 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_ADJM_OBJECT TYPE STANDARD TABLE OF REAJ_ADJM_OBJECT,
      WA_REAJ_ADJM_OBJECT TYPE REAJ_ADJM_OBJECT,
      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_ADJM_OBJECT> TYPE REAJ_ADJM_OBJECT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REAJ_ADJM_OBJECT
*  INTO TABLE @DATA(IT_REAJ_ADJM_OBJECT2).
*--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_ADJM_OBJECT INDEX 1 INTO DATA(WA_REAJ_ADJM_OBJECT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REAJ_ADJM_OBJECT>-PTRBUSOBJ = 1.
<REAJ_ADJM_OBJECT>-OBJTYPE = 1.
<REAJ_ADJM_OBJECT>-INTRENO = 1.
<REAJ_ADJM_OBJECT>-OBJNR = 1.
<REAJ_ADJM_OBJECT>-XOBJECTID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REAJ_ADJM_OBJECT-PTRBUSOBJ_DEP, sy-vline,
  WA_REAJ_ADJM_OBJECT-OBJTYPE_DEP, sy-vline,
  WA_REAJ_ADJM_OBJECT-INTRENO_DEP, sy-vline,
  WA_REAJ_ADJM_OBJECT-OBJNR_DEP, sy-vline,
  WA_REAJ_ADJM_OBJECT-XOBJECTID_DEP, sy-vline,
  WA_REAJ_ADJM_OBJECT-CHECKPROBJSEL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REAJ_ADJM_OBJECT 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_ADJM_OBJECT 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_ADJM_OBJECT INTO WA_REAJ_ADJM_OBJECT.


*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 ADJMMETH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_ADJM_OBJECT-ADJMMETH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_ADJM_OBJECT-ADJMMETH.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field WAIVERCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_ADJM_OBJECT-WAIVERCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_ADJM_OBJECT-WAIVERCT.
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_ADJM_OBJECT_STR, 
PTRBUSOBJ TYPE STRING,
OBJTYPE TYPE STRING,
INTRENO TYPE STRING,
OBJNR TYPE STRING,
XOBJECTID TYPE STRING,
PTRBUSOBJ_DEP TYPE STRING,
OBJTYPE_DEP TYPE STRING,
INTRENO_DEP TYPE STRING,
OBJNR_DEP TYPE STRING,
XOBJECTID_DEP TYPE STRING,
CHECKPROBJSEL TYPE STRING,
ADJMMETH TYPE STRING,
ADJMRULEDEFAULT TYPE STRING,
ADJMCT TYPE STRING,
ADJMCTCUST TYPE STRING,
ADJMCTREF TYPE STRING,
WAIVERCT TYPE STRING,
CNFOLLOW TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REAJ_ADJM_OBJECT_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_ADJM_OBJECT_STR-PTRBUSOBJ sy-vline 
WA_REAJ_ADJM_OBJECT_STR-OBJTYPE sy-vline 
WA_REAJ_ADJM_OBJECT_STR-INTRENO sy-vline 
WA_REAJ_ADJM_OBJECT_STR-OBJNR sy-vline 
WA_REAJ_ADJM_OBJECT_STR-XOBJECTID sy-vline 
WA_REAJ_ADJM_OBJECT_STR-PTRBUSOBJ_DEP sy-vline 
WA_REAJ_ADJM_OBJECT_STR-OBJTYPE_DEP sy-vline 
WA_REAJ_ADJM_OBJECT_STR-INTRENO_DEP sy-vline 
WA_REAJ_ADJM_OBJECT_STR-OBJNR_DEP sy-vline 
WA_REAJ_ADJM_OBJECT_STR-XOBJECTID_DEP sy-vline 
WA_REAJ_ADJM_OBJECT_STR-CHECKPROBJSEL sy-vline 
WA_REAJ_ADJM_OBJECT_STR-ADJMMETH sy-vline 
WA_REAJ_ADJM_OBJECT_STR-ADJMRULEDEFAULT sy-vline 
WA_REAJ_ADJM_OBJECT_STR-ADJMCT sy-vline 
WA_REAJ_ADJM_OBJECT_STR-ADJMCTCUST sy-vline 
WA_REAJ_ADJM_OBJECT_STR-ADJMCTREF sy-vline 
WA_REAJ_ADJM_OBJECT_STR-WAIVERCT sy-vline 
WA_REAJ_ADJM_OBJECT_STR-CNFOLLOW sy-vline      INTO ld_text SEPARATED BY SPACE.

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