ABAP Select data from SAP table REOR_RS_OBJECT_AVAILABILITY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REOR_RS_OBJECT_AVAILABILITY
*  INTO TABLE @DATA(IT_REOR_RS_OBJECT_AVAILABILITY2).
*--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_REOR_RS_OBJECT_AVAILABILITY INDEX 1 INTO DATA(WA_REOR_RS_OBJECT_AVAILABILITY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REOR_RS_OBJECT_AVAILABILITY>-OBJNROO = 1.
<REOR_RS_OBJECT_AVAILABILITY>-OOID = 1.
<REOR_RS_OBJECT_AVAILABILITY>-PERIODFROM = 1.
<REOR_RS_OBJECT_AVAILABILITY>-PERIODTO = 1.
<REOR_RS_OBJECT_AVAILABILITY>-DATEFROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REOR_RS_OBJECT_AVAILABILITY-DATETO, sy-vline,
  WA_REOR_RS_OBJECT_AVAILABILITY-TIMEFROM, sy-vline,
  WA_REOR_RS_OBJECT_AVAILABILITY-TIMETO, sy-vline,
  WA_REOR_RS_OBJECT_AVAILABILITY-ISAVAILABLE, sy-vline,
  WA_REOR_RS_OBJECT_AVAILABILITY-ISPARTAVAILABLE, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_REOR_RS_OBJECT_AVAILABILITY 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_REOR_RS_OBJECT_AVAILABILITY 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_REOR_RS_OBJECT_AVAILABILITY INTO WA_REOR_RS_OBJECT_AVAILABILITY.


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

*Conversion exit RETZS, internal->external for field PERIODFROM
CALL FUNCTION 'CONVERSION_EXIT_RETZS_OUTPUT'
  EXPORTING
    input =                      WA_REOR_RS_OBJECT_AVAILABILITY-PERIODFROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REOR_RS_OBJECT_AVAILABILITY-PERIODFROM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit RETZS, internal->external for field PERIODTO
CALL FUNCTION 'CONVERSION_EXIT_RETZS_OUTPUT'
  EXPORTING
    input =                      WA_REOR_RS_OBJECT_AVAILABILITY-PERIODTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REOR_RS_OBJECT_AVAILABILITY-PERIODTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit REDAT, internal->external for field DATETO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REOR_RS_OBJECT_AVAILABILITY-DATETO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REOR_RS_OBJECT_AVAILABILITY-DATETO.
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_REOR_RS_OBJECT_AVAILABILITY_STR, 
OBJNROO TYPE STRING,
OOID TYPE STRING,
PERIODFROM TYPE STRING,
PERIODTO TYPE STRING,
DATEFROM TYPE STRING,
DATETO TYPE STRING,
TIMEFROM TYPE STRING,
TIMETO TYPE STRING,
ISAVAILABLE TYPE STRING,
ISPARTAVAILABLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REOR_RS_OBJECT_AVAILABILITY_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_REOR_RS_OBJECT_AVAILABILITY_STR-OBJNROO sy-vline 
WA_REOR_RS_OBJECT_AVAILABILITY_STR-OOID sy-vline 
WA_REOR_RS_OBJECT_AVAILABILITY_STR-PERIODFROM sy-vline 
WA_REOR_RS_OBJECT_AVAILABILITY_STR-PERIODTO sy-vline 
WA_REOR_RS_OBJECT_AVAILABILITY_STR-DATEFROM sy-vline 
WA_REOR_RS_OBJECT_AVAILABILITY_STR-DATETO sy-vline 
WA_REOR_RS_OBJECT_AVAILABILITY_STR-TIMEFROM sy-vline 
WA_REOR_RS_OBJECT_AVAILABILITY_STR-TIMETO sy-vline 
WA_REOR_RS_OBJECT_AVAILABILITY_STR-ISAVAILABLE sy-vline 
WA_REOR_RS_OBJECT_AVAILABILITY_STR-ISPARTAVAILABLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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