ABAP Select data from SAP table JBIXKOPO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JBIXKOPO
*  INTO TABLE @DATA(IT_JBIXKOPO2).
*--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_JBIXKOPO INDEX 1 INTO DATA(WA_JBIXKOPO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JBIXKOPO>-MANDT = 1.
<JBIXKOPO>-RBKONT = 1.
<JBIXKOPO>-BUKRS = 1.
<JBIXKOPO>-DGUEL_KK = 1.
<JBIXKOPO>-DGUEL_KP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JBIXKOPO-RANTYP, sy-vline,
  WA_JBIXKOPO-SKOART, sy-vline,
  WA_JBIXKOPO-NSTUFE, sy-vline,
  WA_JBIXKOPO-PKOND, sy-vline,
  WA_JBIXKOPO-BKOND, sy-vline,
  WA_JBIXKOPO-SZSREF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JBIXKOPO 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_JBIXKOPO 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_JBIXKOPO INTO WA_JBIXKOPO.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_JBIXKOPO_STR, 
MANDT TYPE STRING,
RBKONT TYPE STRING,
BUKRS TYPE STRING,
DGUEL_KK TYPE STRING,
DGUEL_KP TYPE STRING,
RANTYP TYPE STRING,
SKOART TYPE STRING,
NSTUFE TYPE STRING,
PKOND TYPE STRING,
BKOND TYPE STRING,
SZSREF TYPE STRING,
SZSREFVZ TYPE STRING,
DVALUT TYPE STRING,
DPKOND TYPE STRING,
BZIGRE TYPE STRING,
SZIGRE TYPE STRING,
NOZGEW TYPE STRING,
XOZGEW TYPE STRING,
POZGEW TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JBIXKOPO_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_JBIXKOPO_STR-MANDT sy-vline 
WA_JBIXKOPO_STR-RBKONT sy-vline 
WA_JBIXKOPO_STR-BUKRS sy-vline 
WA_JBIXKOPO_STR-DGUEL_KK sy-vline 
WA_JBIXKOPO_STR-DGUEL_KP sy-vline 
WA_JBIXKOPO_STR-RANTYP sy-vline 
WA_JBIXKOPO_STR-SKOART sy-vline 
WA_JBIXKOPO_STR-NSTUFE sy-vline 
WA_JBIXKOPO_STR-PKOND sy-vline 
WA_JBIXKOPO_STR-BKOND sy-vline 
WA_JBIXKOPO_STR-SZSREF sy-vline 
WA_JBIXKOPO_STR-SZSREFVZ sy-vline 
WA_JBIXKOPO_STR-DVALUT sy-vline 
WA_JBIXKOPO_STR-DPKOND sy-vline 
WA_JBIXKOPO_STR-BZIGRE sy-vline 
WA_JBIXKOPO_STR-SZIGRE sy-vline 
WA_JBIXKOPO_STR-NOZGEW sy-vline 
WA_JBIXKOPO_STR-XOZGEW sy-vline 
WA_JBIXKOPO_STR-POZGEW sy-vline 
WA_JBIXKOPO_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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