ABAP Select data from SAP table JBRBV2SI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP JBRBV2SI 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 JBRBV2SI. 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 JBRBV2SI 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_JBRBV2SI TYPE STANDARD TABLE OF JBRBV2SI,
      WA_JBRBV2SI TYPE JBRBV2SI,
      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: <JBRBV2SI> TYPE JBRBV2SI.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_JBRBV2SI.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM JBRBV2SI
  INTO TABLE IT_JBRBV2SI.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JBRBV2SI
*  INTO TABLE @DATA(IT_JBRBV2SI2).
*--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_JBRBV2SI INDEX 1 INTO DATA(WA_JBRBV2SI2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_JBRBV2SI ASSIGNING <JBRBV2SI>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JBRBV2SI>-SSCALCP = 1.
<JBRBV2SI>-HISTORY = 1.
<JBRBV2SI>-UNWIND = 1.
<JBRBV2SI>-KALENDER = 1.
<JBRBV2SI>-MISSLIMIT = 1.

ENDLOOP.

LOOP AT IT_JBRBV2SI INTO WA_JBRBV2SI.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JBRBV2SI-KONFIDENZ, sy-vline,
  WA_JBRBV2SI-ALGORITHM, sy-vline,
  WA_JBRBV2SI-SAMPTYP, sy-vline,
  WA_JBRBV2SI-SEED, sy-vline,
  WA_JBRBV2SI-SIMTYP, sy-vline,
  WA_JBRBV2SI-SIMLAUF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JBRBV2SI 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_JBRBV2SI 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_JBRBV2SI INTO WA_JBRBV2SI.


*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_JBRBV2SI_STR, 
SSCALCP TYPE STRING,
HISTORY TYPE STRING,
UNWIND TYPE STRING,
KALENDER TYPE STRING,
MISSLIMIT TYPE STRING,
KONFIDENZ TYPE STRING,
ALGORITHM TYPE STRING,
SAMPTYP TYPE STRING,
SEED TYPE STRING,
SIMTYP TYPE STRING,
SIMLAUF TYPE STRING,
DESTINATION TYPE STRING,
FUNCTION TYPE STRING,
XVAR TYPE STRING,
XGUV TYPE STRING,
XROOT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JBRBV2SI_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_JBRBV2SI_STR-SSCALCP sy-vline 
WA_JBRBV2SI_STR-HISTORY sy-vline 
WA_JBRBV2SI_STR-UNWIND sy-vline 
WA_JBRBV2SI_STR-KALENDER sy-vline 
WA_JBRBV2SI_STR-MISSLIMIT sy-vline 
WA_JBRBV2SI_STR-KONFIDENZ sy-vline 
WA_JBRBV2SI_STR-ALGORITHM sy-vline 
WA_JBRBV2SI_STR-SAMPTYP sy-vline 
WA_JBRBV2SI_STR-SEED sy-vline 
WA_JBRBV2SI_STR-SIMTYP sy-vline 
WA_JBRBV2SI_STR-SIMLAUF sy-vline 
WA_JBRBV2SI_STR-DESTINATION sy-vline 
WA_JBRBV2SI_STR-FUNCTION sy-vline 
WA_JBRBV2SI_STR-XVAR sy-vline 
WA_JBRBV2SI_STR-XGUV sy-vline 
WA_JBRBV2SI_STR-XROOT sy-vline      INTO ld_text SEPARATED BY SPACE.

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