ABAP Select data from SAP table RECAC_OBJECT_TYPE_ALLOWED into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECAC_OBJECT_TYPE_ALLOWED
*  INTO TABLE @DATA(IT_RECAC_OBJECT_TYPE_ALLOWED2).
*--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_RECAC_OBJECT_TYPE_ALLOWED INDEX 1 INTO DATA(WA_RECAC_OBJECT_TYPE_ALLOWED2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECAC_OBJECT_TYPE_ALLOWED>-OBJTYPE = 1.
<RECAC_OBJECT_TYPE_ALLOWED>-OBSOLETE = 1.
<RECAC_OBJECT_TYPE_ALLOWED>-BUSTYPE = 1.
<RECAC_OBJECT_TYPE_ALLOWED>-ADJUSTOBJTYPE = 1.
<RECAC_OBJECT_TYPE_ALLOWED>-ASSIGNCN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECAC_OBJECT_TYPE_ALLOWED-ASSIGNPG, sy-vline,
  WA_RECAC_OBJECT_TYPE_ALLOWED-ASSIGNSU, sy-vline,
  WA_RECAC_OBJECT_TYPE_ALLOWED-ASSIGNSUREST, sy-vline,
  WA_RECAC_OBJECT_TYPE_ALLOWED-IMPLCFNAME, sy-vline,
  WA_RECAC_OBJECT_TYPE_ALLOWED-IMPLIFNAME, sy-vline,
  WA_RECAC_OBJECT_TYPE_ALLOWED-HASINTRENO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECAC_OBJECT_TYPE_ALLOWED 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_RECAC_OBJECT_TYPE_ALLOWED 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_RECAC_OBJECT_TYPE_ALLOWED INTO WA_RECAC_OBJECT_TYPE_ALLOWED.


*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 CDOBJECTCLASS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RECAC_OBJECT_TYPE_ALLOWED-CDOBJECTCLASS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECAC_OBJECT_TYPE_ALLOWED-CDOBJECTCLASS.
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_RECAC_OBJECT_TYPE_ALLOWED_STR, 
OBJTYPE TYPE STRING,
OBSOLETE TYPE STRING,
BUSTYPE TYPE STRING,
ADJUSTOBJTYPE TYPE STRING,
ASSIGNCN TYPE STRING,
ASSIGNPG TYPE STRING,
ASSIGNSU TYPE STRING,
ASSIGNSUREST TYPE STRING,
IMPLCFNAME TYPE STRING,
IMPLIFNAME TYPE STRING,
HASINTRENO TYPE STRING,
HASOBJNR TYPE STRING,
HASIMKEY TYPE STRING,
INTRENOPREFIX TYPE STRING,
APPTCODE TYPE STRING,
APPPARFM TYPE STRING,
SELSCRORDER TYPE STRING,
SELSCRREPID TYPE STRING,
SELSCRDYNNR TYPE STRING,
SELSCRFM TYPE STRING,
NEWSCRSELFM TYPE STRING,
BU_OBJAP TYPE STRING,
BP_APPL TYPE STRING,
CANUSEPM TYPE STRING,
SHLPNAME TYPE STRING,
HASAUTHGRP TYPE STRING,
HASSTATUSMNGMNT TYPE STRING,
HASMETER TYPE STRING,
ARCHIVINGOBJECT TYPE STRING,
DELETABLE TYPE STRING,
CDOBJECTCLASS TYPE STRING,
STATUSOBJTYPE TYPE STRING,
STATUSSCRREPID TYPE STRING,
STATUSSCRDYNNR TYPE STRING,
STATUSSCRFM TYPE STRING,
ISASSIGNACC TYPE STRING,
OBJTABNAME TYPE STRING,
APPL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECAC_OBJECT_TYPE_ALLOWED_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_RECAC_OBJECT_TYPE_ALLOWED_STR-OBJTYPE sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-OBSOLETE sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-BUSTYPE sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-ADJUSTOBJTYPE sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-ASSIGNCN sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-ASSIGNPG sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-ASSIGNSU sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-ASSIGNSUREST sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-IMPLCFNAME sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-IMPLIFNAME sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-HASINTRENO sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-HASOBJNR sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-HASIMKEY sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-INTRENOPREFIX sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-APPTCODE sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-APPPARFM sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-SELSCRORDER sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-SELSCRREPID sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-SELSCRDYNNR sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-SELSCRFM sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-NEWSCRSELFM sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-BU_OBJAP sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-BP_APPL sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-CANUSEPM sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-SHLPNAME sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-HASAUTHGRP sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-HASSTATUSMNGMNT sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-HASMETER sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-ARCHIVINGOBJECT sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-DELETABLE sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-CDOBJECTCLASS sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-STATUSOBJTYPE sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-STATUSSCRREPID sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-STATUSSCRDYNNR sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-STATUSSCRFM sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-ISASSIGNACC sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-OBJTABNAME sy-vline 
WA_RECAC_OBJECT_TYPE_ALLOWED_STR-APPL sy-vline      INTO ld_text SEPARATED BY SPACE.

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