ABAP Select data from SAP table LSO_RHBUCH00 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP LSO_RHBUCH00 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 LSO_RHBUCH00. 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 LSO_RHBUCH00 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_LSO_RHBUCH00 TYPE STANDARD TABLE OF LSO_RHBUCH00,
      WA_LSO_RHBUCH00 TYPE LSO_RHBUCH00,
      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: <LSO_RHBUCH00> TYPE LSO_RHBUCH00.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_LSO_RHBUCH00.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM LSO_RHBUCH00
  INTO TABLE IT_LSO_RHBUCH00.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LSO_RHBUCH00
*  INTO TABLE @DATA(IT_LSO_RHBUCH002).
*--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_LSO_RHBUCH00 INDEX 1 INTO DATA(WA_LSO_RHBUCH002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_LSO_RHBUCH00 ASSIGNING <LSO_RHBUCH00>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LSO_RHBUCH00>-PICK = 1.
<LSO_RHBUCH00>-ORGTY = 1.
<LSO_RHBUCH00>-ORGID = 1.
<LSO_RHBUCH00>-ORGSH = 1.
<LSO_RHBUCH00>-ORGTX = 1.

ENDLOOP.

LOOP AT IT_LSO_RHBUCH00 INTO WA_LSO_RHBUCH00.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LSO_RHBUCH00-PATYP, sy-vline,
  WA_LSO_RHBUCH00-PARID, sy-vline,
  WA_LSO_RHBUCH00-PARSH, sy-vline,
  WA_LSO_RHBUCH00-PARTX, sy-vline,
  WA_LSO_RHBUCH00-EVETY, sy-vline,
  WA_LSO_RHBUCH00-EVEID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LSO_RHBUCH00 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_LSO_RHBUCH00 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_LSO_RHBUCH00 INTO WA_LSO_RHBUCH00.


*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 ISOLA, internal->external for field EVLAN
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_LSO_RHBUCH00-EVLAN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LSO_RHBUCH00-EVLAN.
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_LSO_RHBUCH00_STR, 
PICK TYPE STRING,
ORGTY TYPE STRING,
ORGID TYPE STRING,
ORGSH TYPE STRING,
ORGTX TYPE STRING,
PATYP TYPE STRING,
PARID TYPE STRING,
PARSH TYPE STRING,
PARTX TYPE STRING,
EVETY TYPE STRING,
EVEID TYPE STRING,
EVSHT TYPE STRING,
EVSTX TYPE STRING,
EVBEG TYPE STRING,
EVEND TYPE STRING,
PLVARCUR TYPE STRING,
OTYPECUR TYPE STRING,
OBJIDCUR TYPE STRING,
CURRI_TXT TYPE STRING,
MANZL TYPE STRING,
PRIOX TYPE STRING,
BUDAT TYPE STRING,
KKOST TYPE STRING,
KWAER TYPE STRING,
EVLAN TYPE STRING,
LOCTY TYPE STRING,
LOCID TYPE STRING,
LOCTX TYPE STRING,
EVFIX TYPE STRING,
EVEXT TYPE STRING,
LOCKM TYPE STRING,
DELET TYPE STRING,
HISTO TYPE STRING,
NOTE TYPE STRING,
TFORM TYPE STRING,
TXTSHORT TYPE STRING,
TXTSING TYPE STRING,
TXTPLUR TYPE STRING,
EBO_TOTAL TYPE STRING,
EBO_PASSED TYPE STRING,
EBO_PERCENT TYPE STRING,
LU_TOTAL TYPE STRING,
LU_PASSED TYPE STRING,
LU_PERCENT TYPE STRING,
TIMECRS TYPE STRING,
PASSED TYPE STRING,
1001_POINTER TYPE STRING,
CONFIRMED TYPE STRING,
FOLLOW_UP TYPE STRING,
FSEND TYPE STRING,
FAILED TYPE STRING,
FAILEDTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LSO_RHBUCH00_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_LSO_RHBUCH00_STR-PICK sy-vline 
WA_LSO_RHBUCH00_STR-ORGTY sy-vline 
WA_LSO_RHBUCH00_STR-ORGID sy-vline 
WA_LSO_RHBUCH00_STR-ORGSH sy-vline 
WA_LSO_RHBUCH00_STR-ORGTX sy-vline 
WA_LSO_RHBUCH00_STR-PATYP sy-vline 
WA_LSO_RHBUCH00_STR-PARID sy-vline 
WA_LSO_RHBUCH00_STR-PARSH sy-vline 
WA_LSO_RHBUCH00_STR-PARTX sy-vline 
WA_LSO_RHBUCH00_STR-EVETY sy-vline 
WA_LSO_RHBUCH00_STR-EVEID sy-vline 
WA_LSO_RHBUCH00_STR-EVSHT sy-vline 
WA_LSO_RHBUCH00_STR-EVSTX sy-vline 
WA_LSO_RHBUCH00_STR-EVBEG sy-vline 
WA_LSO_RHBUCH00_STR-EVEND sy-vline 
WA_LSO_RHBUCH00_STR-PLVARCUR sy-vline 
WA_LSO_RHBUCH00_STR-OTYPECUR sy-vline 
WA_LSO_RHBUCH00_STR-OBJIDCUR sy-vline 
WA_LSO_RHBUCH00_STR-CURRI_TXT sy-vline 
WA_LSO_RHBUCH00_STR-MANZL sy-vline 
WA_LSO_RHBUCH00_STR-PRIOX sy-vline 
WA_LSO_RHBUCH00_STR-BUDAT sy-vline 
WA_LSO_RHBUCH00_STR-KKOST sy-vline 
WA_LSO_RHBUCH00_STR-KWAER sy-vline 
WA_LSO_RHBUCH00_STR-EVLAN sy-vline 
WA_LSO_RHBUCH00_STR-LOCTY sy-vline 
WA_LSO_RHBUCH00_STR-LOCID sy-vline 
WA_LSO_RHBUCH00_STR-LOCTX sy-vline 
WA_LSO_RHBUCH00_STR-EVFIX sy-vline 
WA_LSO_RHBUCH00_STR-EVEXT sy-vline 
WA_LSO_RHBUCH00_STR-LOCKM sy-vline 
WA_LSO_RHBUCH00_STR-DELET sy-vline 
WA_LSO_RHBUCH00_STR-HISTO sy-vline 
WA_LSO_RHBUCH00_STR-NOTE sy-vline 
WA_LSO_RHBUCH00_STR-TFORM sy-vline 
WA_LSO_RHBUCH00_STR-TXTSHORT sy-vline 
WA_LSO_RHBUCH00_STR-TXTSING sy-vline 
WA_LSO_RHBUCH00_STR-TXTPLUR sy-vline 
WA_LSO_RHBUCH00_STR-EBO_TOTAL sy-vline 
WA_LSO_RHBUCH00_STR-EBO_PASSED sy-vline 
WA_LSO_RHBUCH00_STR-EBO_PERCENT sy-vline 
WA_LSO_RHBUCH00_STR-LU_TOTAL sy-vline 
WA_LSO_RHBUCH00_STR-LU_PASSED sy-vline 
WA_LSO_RHBUCH00_STR-LU_PERCENT sy-vline 
WA_LSO_RHBUCH00_STR-TIMECRS sy-vline 
WA_LSO_RHBUCH00_STR-PASSED sy-vline 
WA_LSO_RHBUCH00_STR-1001_POINTER sy-vline 
WA_LSO_RHBUCH00_STR-CONFIRMED sy-vline 
WA_LSO_RHBUCH00_STR-FOLLOW_UP sy-vline 
WA_LSO_RHBUCH00_STR-FSEND sy-vline 
WA_LSO_RHBUCH00_STR-FAILED sy-vline 
WA_LSO_RHBUCH00_STR-FAILEDTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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