ABAP Select data from SAP table REIS_ARCHOBJECT_ATTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REIS_ARCHOBJECT_ATTR
*  INTO TABLE @DATA(IT_REIS_ARCHOBJECT_ATTR2).
*--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_REIS_ARCHOBJECT_ATTR INDEX 1 INTO DATA(WA_REIS_ARCHOBJECT_ATTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REIS_ARCHOBJECT_ATTR>-AOID = 1.
<REIS_ARCHOBJECT_ATTR>-OBJNR = 1.
<REIS_ARCHOBJECT_ATTR>-AOTYPE = 1.
<REIS_ARCHOBJECT_ATTR>-AONR = 1.
<REIS_ARCHOBJECT_ATTR>-VALIDFROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REIS_ARCHOBJECT_ATTR-VALIDTO, sy-vline,
  WA_REIS_ARCHOBJECT_ATTR-AOFUNCTION, sy-vline,
  WA_REIS_ARCHOBJECT_ATTR-USAGECOMMON, sy-vline,
  WA_REIS_ARCHOBJECT_ATTR-PARENTAOID, sy-vline,
  WA_REIS_ARCHOBJECT_ATTR-PARENTAOTYPE, sy-vline,
  WA_REIS_ARCHOBJECT_ATTR-AUTHGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REIS_ARCHOBJECT_ATTR 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_REIS_ARCHOBJECT_ATTR 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_REIS_ARCHOBJECT_ATTR INTO WA_REIS_ARCHOBJECT_ATTR.


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

*Conversion exit ALPHA, internal->external for field AOFUNCTION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REIS_ARCHOBJECT_ATTR-AOFUNCTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_ARCHOBJECT_ATTR-AOFUNCTION.
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_REIS_ARCHOBJECT_ATTR_STR, 
AOID TYPE STRING,
OBJNR TYPE STRING,
AOTYPE TYPE STRING,
AONR TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
AOFUNCTION TYPE STRING,
USAGECOMMON TYPE STRING,
PARENTAOID TYPE STRING,
PARENTAOTYPE TYPE STRING,
AUTHGRP TYPE STRING,
RESPONSIBLE TYPE STRING,
SINSTBEZ TYPE STRING,
SVERKEHR TYPE STRING,
SLAGEWE TYPE STRING,
SOBJLAGE TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
POST_CODE1 TYPE STRING,
CITY1 TYPE STRING,
CITY2 TYPE STRING,
STREET TYPE STRING,
HOUSE_NUM1 TYPE STRING,
HOUSE_NUM2 TYPE STRING,
POST_CODE2 TYPE STRING,
PO_BOX TYPE STRING,
BWSTRES1 TYPE STRING,
BWSTRES2 TYPE STRING,
BWSTREU1 TYPE STRING,
BWSTREU2 TYPE STRING,
BWSTREU3 TYPE STRING,
BWSTREU4 TYPE STRING,
BWSTREU5 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REIS_ARCHOBJECT_ATTR_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_REIS_ARCHOBJECT_ATTR_STR-AOID sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-OBJNR sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-AOTYPE sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-AONR sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-VALIDFROM sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-VALIDTO sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-AOFUNCTION sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-USAGECOMMON sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-PARENTAOID sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-PARENTAOTYPE sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-AUTHGRP sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-RESPONSIBLE sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-SINSTBEZ sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-SVERKEHR sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-SLAGEWE sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-SOBJLAGE sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-COUNTRY sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-REGION sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-POST_CODE1 sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-CITY1 sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-CITY2 sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-STREET sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-HOUSE_NUM1 sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-HOUSE_NUM2 sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-POST_CODE2 sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-PO_BOX sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-BWSTRES1 sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-BWSTRES2 sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-BWSTREU1 sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-BWSTREU2 sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-BWSTREU3 sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-BWSTREU4 sy-vline 
WA_REIS_ARCHOBJECT_ATTR_STR-BWSTREU5 sy-vline      INTO ld_text SEPARATED BY SPACE.

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