ABAP Select data from SAP table JBCFBEWEG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JBCFBEWEG
*  INTO TABLE @DATA(IT_JBCFBEWEG2).
*--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_JBCFBEWEG INDEX 1 INTO DATA(WA_JBCFBEWEG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JBCFBEWEG>-MANDT = 1.
<JBCFBEWEG>-INTNUM = 1.
<JBCFBEWEG>-VERSNUM = 1.
<JBCFBEWEG>-GSEITE = 1.
<JBCFBEWEG>-INTSTUFE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JBCFBEWEG-BEWTYPE, sy-vline,
  WA_JBCFBEWEG-DDISPO, sy-vline,
  WA_JBCFBEWEG-BEWEGART, sy-vline,
  WA_JBCFBEWEG-BETRAGBEW, sy-vline,
  WA_JBCFBEWEG-WHRBEW, sy-vline,
  WA_JBCFBEWEG-DVALUT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JBCFBEWEG 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_JBCFBEWEG 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_JBCFBEWEG INTO WA_JBCFBEWEG.


*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_JBCFBEWEG_STR, 
MANDT TYPE STRING,
INTNUM TYPE STRING,
VERSNUM TYPE STRING,
GSEITE TYPE STRING,
INTSTUFE TYPE STRING,
BEWTYPE TYPE STRING,
DDISPO TYPE STRING,
BEWEGART TYPE STRING,
BETRAGBEW TYPE STRING,
WHRBEW TYPE STRING,
DVALUT TYPE STRING,
SVINCL TYPE STRING,
SVULT TYPE STRING,
DFAELL TYPE STRING,
SFINCL TYPE STRING,
SFULT TYPE STRING,
DBERVON TYPE STRING,
SEXCLVON TYPE STRING,
SULTVON TYPE STRING,
DBERBIS TYPE STRING,
SINCLBIS TYPE STRING,
SULTBIS TYPE STRING,
SZBMETH TYPE STRING,
KALEZBMETH TYPE STRING,
JEXPOZINS TYPE STRING,
SROUND TYPE STRING,
ALTNUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JBCFBEWEG_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_JBCFBEWEG_STR-MANDT sy-vline 
WA_JBCFBEWEG_STR-INTNUM sy-vline 
WA_JBCFBEWEG_STR-VERSNUM sy-vline 
WA_JBCFBEWEG_STR-GSEITE sy-vline 
WA_JBCFBEWEG_STR-INTSTUFE sy-vline 
WA_JBCFBEWEG_STR-BEWTYPE sy-vline 
WA_JBCFBEWEG_STR-DDISPO sy-vline 
WA_JBCFBEWEG_STR-BEWEGART sy-vline 
WA_JBCFBEWEG_STR-BETRAGBEW sy-vline 
WA_JBCFBEWEG_STR-WHRBEW sy-vline 
WA_JBCFBEWEG_STR-DVALUT sy-vline 
WA_JBCFBEWEG_STR-SVINCL sy-vline 
WA_JBCFBEWEG_STR-SVULT sy-vline 
WA_JBCFBEWEG_STR-DFAELL sy-vline 
WA_JBCFBEWEG_STR-SFINCL sy-vline 
WA_JBCFBEWEG_STR-SFULT sy-vline 
WA_JBCFBEWEG_STR-DBERVON sy-vline 
WA_JBCFBEWEG_STR-SEXCLVON sy-vline 
WA_JBCFBEWEG_STR-SULTVON sy-vline 
WA_JBCFBEWEG_STR-DBERBIS sy-vline 
WA_JBCFBEWEG_STR-SINCLBIS sy-vline 
WA_JBCFBEWEG_STR-SULTBIS sy-vline 
WA_JBCFBEWEG_STR-SZBMETH sy-vline 
WA_JBCFBEWEG_STR-KALEZBMETH sy-vline 
WA_JBCFBEWEG_STR-JEXPOZINS sy-vline 
WA_JBCFBEWEG_STR-SROUND sy-vline 
WA_JBCFBEWEG_STR-ALTNUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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