ABAP Select data from SAP table JBIUMSI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JBIUMSI
*  INTO TABLE @DATA(IT_JBIUMSI2).
*--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_JBIUMSI INDEX 1 INTO DATA(WA_JBIUMSI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JBIUMSI>-BUKRS = 1.
<JBIUMSI>-SARCHIV = 1.
<JBIUMSI>-RANL = 1.
<JBIUMSI>-RANLALT1 = 1.
<JBIUMSI>-RBKONT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JBIUMSI-REXTNR, sy-vline,
  WA_JBIUMSI-RSICHER, sy-vline,
  WA_JBIUMSI-MODUS, sy-vline,
  WA_JBIUMSI-JLOESCH, sy-vline,
  WA_JBIUMSI-WSICHW, sy-vline,
  WA_JBIUMSI-XC40, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JBIUMSI 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_JBIUMSI 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_JBIUMSI INTO WA_JBIUMSI.


*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 RANL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JBIUMSI-RANL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBIUMSI-RANL.
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_JBIUMSI_STR, 
BUKRS TYPE STRING,
SARCHIV TYPE STRING,
RANL TYPE STRING,
RANLALT1 TYPE STRING,
RBKONT TYPE STRING,
REXTNR TYPE STRING,
RSICHER TYPE STRING,
MODUS TYPE STRING,
JLOESCH TYPE STRING,
WSICHW TYPE STRING,
XC40 TYPE STRING,
RPRTX TYPE STRING,
BSIC1 TYPE STRING,
BSIC2 TYPE STRING,
BSIC3 TYPE STRING,
BSIC4 TYPE STRING,
BSIC5 TYPE STRING,
BSIC6 TYPE STRING,
SSIC1 TYPE STRING,
SSIC2 TYPE STRING,
SSIC3 TYPE STRING,
SSIC4 TYPE STRING,
SSIC5 TYPE STRING,
SSIC6 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JBIUMSI_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_JBIUMSI_STR-BUKRS sy-vline 
WA_JBIUMSI_STR-SARCHIV sy-vline 
WA_JBIUMSI_STR-RANL sy-vline 
WA_JBIUMSI_STR-RANLALT1 sy-vline 
WA_JBIUMSI_STR-RBKONT sy-vline 
WA_JBIUMSI_STR-REXTNR sy-vline 
WA_JBIUMSI_STR-RSICHER sy-vline 
WA_JBIUMSI_STR-MODUS sy-vline 
WA_JBIUMSI_STR-JLOESCH sy-vline 
WA_JBIUMSI_STR-WSICHW sy-vline 
WA_JBIUMSI_STR-XC40 sy-vline 
WA_JBIUMSI_STR-RPRTX sy-vline 
WA_JBIUMSI_STR-BSIC1 sy-vline 
WA_JBIUMSI_STR-BSIC2 sy-vline 
WA_JBIUMSI_STR-BSIC3 sy-vline 
WA_JBIUMSI_STR-BSIC4 sy-vline 
WA_JBIUMSI_STR-BSIC5 sy-vline 
WA_JBIUMSI_STR-BSIC6 sy-vline 
WA_JBIUMSI_STR-SSIC1 sy-vline 
WA_JBIUMSI_STR-SSIC2 sy-vline 
WA_JBIUMSI_STR-SSIC3 sy-vline 
WA_JBIUMSI_STR-SSIC4 sy-vline 
WA_JBIUMSI_STR-SSIC5 sy-vline 
WA_JBIUMSI_STR-SSIC6 sy-vline      INTO ld_text SEPARATED BY SPACE.

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