ABAP Select data from SAP table FRE_BIF_PRODH_41 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FRE_BIF_PRODH_41 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 FRE_BIF_PRODH_41. 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 FRE_BIF_PRODH_41 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_FRE_BIF_PRODH_41 TYPE STANDARD TABLE OF FRE_BIF_PRODH_41,
      WA_FRE_BIF_PRODH_41 TYPE FRE_BIF_PRODH_41,
      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: <FRE_BIF_PRODH_41> TYPE FRE_BIF_PRODH_41.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FRE_BIF_PRODH_41.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FRE_BIF_PRODH_41
  INTO TABLE IT_FRE_BIF_PRODH_41.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FRE_BIF_PRODH_41
*  INTO TABLE @DATA(IT_FRE_BIF_PRODH_412).
*--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_FRE_BIF_PRODH_41 INDEX 1 INTO DATA(WA_FRE_BIF_PRODH_412).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FRE_BIF_PRODH_41 ASSIGNING <FRE_BIF_PRODH_41>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FRE_BIF_PRODH_41>-MANDT = 1.
<FRE_BIF_PRODH_41>-RELID = 1.
<FRE_BIF_PRODH_41>-PMATNR = 1.
<FRE_BIF_PRODH_41>-CMATNR = 1.
<FRE_BIF_PRODH_41>-SEQNB = 1.

ENDLOOP.

LOOP AT IT_FRE_BIF_PRODH_41 INTO WA_FRE_BIF_PRODH_41.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FRE_BIF_PRODH_41-PSTATUS, sy-vline,
  WA_FRE_BIF_PRODH_41-FUNCTION, sy-vline,
  WA_FRE_BIF_PRODH_41-CREDATE, sy-vline,
  WA_FRE_BIF_PRODH_41-UPDDATE, sy-vline,
  WA_FRE_BIF_PRODH_41-SENDER, sy-vline,
  WA_FRE_BIF_PRODH_41-REF_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FRE_BIF_PRODH_41 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_FRE_BIF_PRODH_41 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_FRE_BIF_PRODH_41 INTO WA_FRE_BIF_PRODH_41.


*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 SENDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FRE_BIF_PRODH_41-SENDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FRE_BIF_PRODH_41-SENDER.
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_FRE_BIF_PRODH_41_STR, 
MANDT TYPE STRING,
RELID TYPE STRING,
PMATNR TYPE STRING,
CMATNR TYPE STRING,
SEQNB TYPE STRING,
PSTATUS TYPE STRING,
FUNCTION TYPE STRING,
CREDATE TYPE STRING,
UPDDATE TYPE STRING,
SENDER TYPE STRING,
REF_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FRE_BIF_PRODH_41_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_FRE_BIF_PRODH_41_STR-MANDT sy-vline 
WA_FRE_BIF_PRODH_41_STR-RELID sy-vline 
WA_FRE_BIF_PRODH_41_STR-PMATNR sy-vline 
WA_FRE_BIF_PRODH_41_STR-CMATNR sy-vline 
WA_FRE_BIF_PRODH_41_STR-SEQNB sy-vline 
WA_FRE_BIF_PRODH_41_STR-PSTATUS sy-vline 
WA_FRE_BIF_PRODH_41_STR-FUNCTION sy-vline 
WA_FRE_BIF_PRODH_41_STR-CREDATE sy-vline 
WA_FRE_BIF_PRODH_41_STR-UPDDATE sy-vline 
WA_FRE_BIF_PRODH_41_STR-SENDER sy-vline 
WA_FRE_BIF_PRODH_41_STR-REF_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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