ABAP Select data from SAP table BIW_PRTE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BIW_PRTE
*  INTO TABLE @DATA(IT_BIW_PRTE2).
*--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_BIW_PRTE INDEX 1 INTO DATA(WA_BIW_PRTE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BIW_PRTE>-MANDT = 1.
<BIW_PRTE>-PSPNR = 1.
<BIW_PRTE>-PSPID = 1.
<BIW_PRTE>-PSPNR_PRPS = 1.
<BIW_PRTE>-POSNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BIW_PRTE-POSID, sy-vline,
  WA_BIW_PRTE-ERDAT, sy-vline,
  WA_BIW_PRTE-AEDAT, sy-vline,
  WA_BIW_PRTE-PSPHI, sy-vline,
  WA_BIW_PRTE-PSTRT, sy-vline,
  WA_BIW_PRTE-ESTRT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BIW_PRTE 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_BIW_PRTE 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_BIW_PRTE INTO WA_BIW_PRTE.


*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 KONPD, internal->external for field PSPNR
CALL FUNCTION 'CONVERSION_EXIT_KONPD_OUTPUT'
  EXPORTING
    input =                      WA_BIW_PRTE-PSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_PRTE-PSPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field PSPID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_BIW_PRTE-PSPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_PRTE-PSPID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PSPNR_PRPS
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_BIW_PRTE-PSPNR_PRPS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_PRTE-PSPNR_PRPS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field POSNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_BIW_PRTE-POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_PRTE-POSNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_BIW_PRTE-POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_PRTE-POSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit KONPD, internal->external for field PSPHI
CALL FUNCTION 'CONVERSION_EXIT_KONPD_OUTPUT'
  EXPORTING
    input =                      WA_BIW_PRTE-PSPHI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_PRTE-PSPHI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field IEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BIW_PRTE-IEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_PRTE-IEINH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field EEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BIW_PRTE-EEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_PRTE-EEINH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BIW_PRTE-PEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_PRTE-PEINH.
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_BIW_PRTE_STR, 
MANDT TYPE STRING,
PSPNR TYPE STRING,
PSPID TYPE STRING,
PSPNR_PRPS TYPE STRING,
POSNR TYPE STRING,
POSID TYPE STRING,
ERDAT TYPE STRING,
AEDAT TYPE STRING,
PSPHI TYPE STRING,
PSTRT TYPE STRING,
ESTRT TYPE STRING,
ISTRT TYPE STRING,
PENDE TYPE STRING,
EENDE TYPE STRING,
IENDE TYPE STRING,
PDAUR TYPE STRING,
EDAUR TYPE STRING,
IDAUR TYPE STRING,
IEINH TYPE STRING,
EEINH TYPE STRING,
PEINH TYPE STRING,
FLGVG TYPE STRING,
FLGEW TYPE STRING,
FLGEM TYPE STRING,
FLGVM TYPE STRING,
FLGIM TYPE STRING,
FLGVI TYPE STRING,
PSTRM TYPE STRING,
PETRM TYPE STRING,
ESTRM TYPE STRING,
EETRM TYPE STRING,
VISTR TYPE STRING,
VIEND TYPE STRING,
ESTRS TYPE STRING,
PETRF TYPE STRING,
OBJNR TYPE STRING,
EETRF TYPE STRING,
PSTRS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BIW_PRTE_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_BIW_PRTE_STR-MANDT sy-vline 
WA_BIW_PRTE_STR-PSPNR sy-vline 
WA_BIW_PRTE_STR-PSPID sy-vline 
WA_BIW_PRTE_STR-PSPNR_PRPS sy-vline 
WA_BIW_PRTE_STR-POSNR sy-vline 
WA_BIW_PRTE_STR-POSID sy-vline 
WA_BIW_PRTE_STR-ERDAT sy-vline 
WA_BIW_PRTE_STR-AEDAT sy-vline 
WA_BIW_PRTE_STR-PSPHI sy-vline 
WA_BIW_PRTE_STR-PSTRT sy-vline 
WA_BIW_PRTE_STR-ESTRT sy-vline 
WA_BIW_PRTE_STR-ISTRT sy-vline 
WA_BIW_PRTE_STR-PENDE sy-vline 
WA_BIW_PRTE_STR-EENDE sy-vline 
WA_BIW_PRTE_STR-IENDE sy-vline 
WA_BIW_PRTE_STR-PDAUR sy-vline 
WA_BIW_PRTE_STR-EDAUR sy-vline 
WA_BIW_PRTE_STR-IDAUR sy-vline 
WA_BIW_PRTE_STR-IEINH sy-vline 
WA_BIW_PRTE_STR-EEINH sy-vline 
WA_BIW_PRTE_STR-PEINH sy-vline 
WA_BIW_PRTE_STR-FLGVG sy-vline 
WA_BIW_PRTE_STR-FLGEW sy-vline 
WA_BIW_PRTE_STR-FLGEM sy-vline 
WA_BIW_PRTE_STR-FLGVM sy-vline 
WA_BIW_PRTE_STR-FLGIM sy-vline 
WA_BIW_PRTE_STR-FLGVI sy-vline 
WA_BIW_PRTE_STR-PSTRM sy-vline 
WA_BIW_PRTE_STR-PETRM sy-vline 
WA_BIW_PRTE_STR-ESTRM sy-vline 
WA_BIW_PRTE_STR-EETRM sy-vline 
WA_BIW_PRTE_STR-VISTR sy-vline 
WA_BIW_PRTE_STR-VIEND sy-vline 
WA_BIW_PRTE_STR-ESTRS sy-vline 
WA_BIW_PRTE_STR-PETRF sy-vline 
WA_BIW_PRTE_STR-OBJNR sy-vline 
WA_BIW_PRTE_STR-EETRF sy-vline 
WA_BIW_PRTE_STR-PSTRS sy-vline      INTO ld_text SEPARATED BY SPACE.

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