ABAP Select data from SAP table JBIUZST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JBIUZST
*  INTO TABLE @DATA(IT_JBIUZST2).
*--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_JBIUZST INDEX 1 INTO DATA(WA_JBIUZST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JBIUZST>-BUKRS = 1.
<JBIUZST>-RANLALT1 = 1.
<JBIUZST>-RFHA = 1.
<JBIUZST>-DZSGLT = 1.
<JBIUZST>-SZSART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JBIUZST-RZSBAR, sy-vline,
  WA_JBIUZST-DZSBEW, sy-vline,
  WA_JBIUZST-WWAERS, sy-vline,
  WA_JBIUZST-BZSBTR, sy-vline,
  WA_JBIUZST-SVORZE, sy-vline,
  WA_JBIUZST-DVALUT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JBIUZST 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_JBIUZST 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_JBIUZST INTO WA_JBIUZST.


*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 RFHA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JBIUZST-RFHA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBIUZST-RFHA.
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_JBIUZST_STR, 
BUKRS TYPE STRING,
RANLALT1 TYPE STRING,
RFHA TYPE STRING,
DZSGLT TYPE STRING,
SZSART TYPE STRING,
RZSBAR TYPE STRING,
DZSBEW TYPE STRING,
WWAERS TYPE STRING,
BZSBTR TYPE STRING,
SVORZE TYPE STRING,
DVALUT TYPE STRING,
SINCL TYPE STRING,
SVULT TYPE STRING,
DSTGBS TYPE STRING,
PAUSZK TYPE STRING,
IEFFZS TYPE STRING,
IOPPGW TYPE STRING,
IOPPHW TYPE STRING,
IOPPKR TYPE STRING,
SZBMETH TYPE STRING,
BDSKBW TYPE STRING,
BMARBW TYPE STRING,
BMARHW TYPE STRING,
SEABRE TYPE STRING,
SFSVAR TYPE STRING,
DMARKTZINS TYPE STRING,
BRESBW TYPE STRING,
BMRKBW TYPE STRING,
MODE TYPE STRING,
TMARKTZINS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JBIUZST_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_JBIUZST_STR-BUKRS sy-vline 
WA_JBIUZST_STR-RANLALT1 sy-vline 
WA_JBIUZST_STR-RFHA sy-vline 
WA_JBIUZST_STR-DZSGLT sy-vline 
WA_JBIUZST_STR-SZSART sy-vline 
WA_JBIUZST_STR-RZSBAR sy-vline 
WA_JBIUZST_STR-DZSBEW sy-vline 
WA_JBIUZST_STR-WWAERS sy-vline 
WA_JBIUZST_STR-BZSBTR sy-vline 
WA_JBIUZST_STR-SVORZE sy-vline 
WA_JBIUZST_STR-DVALUT sy-vline 
WA_JBIUZST_STR-SINCL sy-vline 
WA_JBIUZST_STR-SVULT sy-vline 
WA_JBIUZST_STR-DSTGBS sy-vline 
WA_JBIUZST_STR-PAUSZK sy-vline 
WA_JBIUZST_STR-IEFFZS sy-vline 
WA_JBIUZST_STR-IOPPGW sy-vline 
WA_JBIUZST_STR-IOPPHW sy-vline 
WA_JBIUZST_STR-IOPPKR sy-vline 
WA_JBIUZST_STR-SZBMETH sy-vline 
WA_JBIUZST_STR-BDSKBW sy-vline 
WA_JBIUZST_STR-BMARBW sy-vline 
WA_JBIUZST_STR-BMARHW sy-vline 
WA_JBIUZST_STR-SEABRE sy-vline 
WA_JBIUZST_STR-SFSVAR sy-vline 
WA_JBIUZST_STR-DMARKTZINS sy-vline 
WA_JBIUZST_STR-BRESBW sy-vline 
WA_JBIUZST_STR-BMRKBW sy-vline 
WA_JBIUZST_STR-MODE sy-vline 
WA_JBIUZST_STR-TMARKTZINS sy-vline      INTO ld_text SEPARATED BY SPACE.

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