ABAP Select data from SAP table BVIEIGE_NEW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BVIEIGE_NEW
*  INTO TABLE @DATA(IT_BVIEIGE_NEW2).
*--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_BVIEIGE_NEW INDEX 1 INTO DATA(WA_BVIEIGE_NEW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BVIEIGE_NEW>-STYPE = 1.
<BVIEIGE_NEW>-INTRENO = 1.
<BVIEIGE_NEW>-NLFDEIG = 1.
<BVIEIGE_NEW>-BRUTEIL = 1.
<BVIEIGE_NEW>-BMITEIG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BVIEIGE_NEW-SPARTNR, sy-vline,
  WA_BVIEIGE_NEW-DGULTAB, sy-vline,
  WA_BVIEIGE_NEW-DGULTBIS, sy-vline,
  WA_BVIEIGE_NEW-JPARTNR, sy-vline,
  WA_BVIEIGE_NEW-BRUCHTZ, sy-vline,
  WA_BVIEIGE_NEW-BRUCHTN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BVIEIGE_NEW 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_BVIEIGE_NEW 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_BVIEIGE_NEW INTO WA_BVIEIGE_NEW.


*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 NLFDEIG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BVIEIGE_NEW-NLFDEIG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BVIEIGE_NEW-NLFDEIG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SPARTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BVIEIGE_NEW-SPARTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BVIEIGE_NEW-SPARTNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JPARTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BVIEIGE_NEW-JPARTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BVIEIGE_NEW-JPARTNR.
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_BVIEIGE_NEW_STR, 
STYPE TYPE STRING,
INTRENO TYPE STRING,
NLFDEIG TYPE STRING,
BRUTEIL TYPE STRING,
BMITEIG TYPE STRING,
SPARTNR TYPE STRING,
DGULTAB TYPE STRING,
DGULTBIS TYPE STRING,
JPARTNR TYPE STRING,
BRUCHTZ TYPE STRING,
BRUCHTN TYPE STRING,
GESHNDZ TYPE STRING,
GESHNDN TYPE STRING,
XNRA1 TYPE STRING,
BEARBNR TYPE STRING,
GRLAGETEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BVIEIGE_NEW_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_BVIEIGE_NEW_STR-STYPE sy-vline 
WA_BVIEIGE_NEW_STR-INTRENO sy-vline 
WA_BVIEIGE_NEW_STR-NLFDEIG sy-vline 
WA_BVIEIGE_NEW_STR-BRUTEIL sy-vline 
WA_BVIEIGE_NEW_STR-BMITEIG sy-vline 
WA_BVIEIGE_NEW_STR-SPARTNR sy-vline 
WA_BVIEIGE_NEW_STR-DGULTAB sy-vline 
WA_BVIEIGE_NEW_STR-DGULTBIS sy-vline 
WA_BVIEIGE_NEW_STR-JPARTNR sy-vline 
WA_BVIEIGE_NEW_STR-BRUCHTZ sy-vline 
WA_BVIEIGE_NEW_STR-BRUCHTN sy-vline 
WA_BVIEIGE_NEW_STR-GESHNDZ sy-vline 
WA_BVIEIGE_NEW_STR-GESHNDN sy-vline 
WA_BVIEIGE_NEW_STR-XNRA1 sy-vline 
WA_BVIEIGE_NEW_STR-BEARBNR sy-vline 
WA_BVIEIGE_NEW_STR-GRLAGETEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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