ABAP Select data from SAP table FIP_S_PURCHASE_ORDER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIP_S_PURCHASE_ORDER
*  INTO TABLE @DATA(IT_FIP_S_PURCHASE_ORDER2).
*--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_FIP_S_PURCHASE_ORDER INDEX 1 INTO DATA(WA_FIP_S_PURCHASE_ORDER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIP_S_PURCHASE_ORDER>-BSTYP = 1.
<FIP_S_PURCHASE_ORDER>-BSART = 1.
<FIP_S_PURCHASE_ORDER>-EBELN = 1.
<FIP_S_PURCHASE_ORDER>-LIFNR = 1.
<FIP_S_PURCHASE_ORDER>-LIFNR_NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIP_S_PURCHASE_ORDER-EKORG, sy-vline,
  WA_FIP_S_PURCHASE_ORDER-EKGRP, sy-vline,
  WA_FIP_S_PURCHASE_ORDER-BEDAT, sy-vline,
  WA_FIP_S_PURCHASE_ORDER-RESWK, sy-vline,
  WA_FIP_S_PURCHASE_ORDER-ERNAM, sy-vline,
  WA_FIP_S_PURCHASE_ORDER-BUKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIP_S_PURCHASE_ORDER 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_FIP_S_PURCHASE_ORDER 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_FIP_S_PURCHASE_ORDER INTO WA_FIP_S_PURCHASE_ORDER.


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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FIP_S_PURCHASE_ORDER-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIP_S_PURCHASE_ORDER-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EAN11, internal->external for field EAN11
CALL FUNCTION 'CONVERSION_EXIT_EAN11_OUTPUT'
  EXPORTING
    input =                      WA_FIP_S_PURCHASE_ORDER-EAN11
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIP_S_PURCHASE_ORDER-EAN11.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field LTSNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FIP_S_PURCHASE_ORDER-LTSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIP_S_PURCHASE_ORDER-LTSNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field SAISJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FIP_S_PURCHASE_ORDER-SAISJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIP_S_PURCHASE_ORDER-SAISJ.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FIP_S_PURCHASE_ORDER-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIP_S_PURCHASE_ORDER-GJAHR.
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_FIP_S_PURCHASE_ORDER_STR, 
BSTYP TYPE STRING,
BSART TYPE STRING,
EBELN TYPE STRING,
LIFNR TYPE STRING,
LIFNR_NAME TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
BEDAT TYPE STRING,
RESWK TYPE STRING,
ERNAM TYPE STRING,
BUKRS TYPE STRING,
LOEKZ_HD TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
MATKL TYPE STRING,
IDNLF TYPE STRING,
PSTYP TYPE STRING,
KNTTP TYPE STRING,
EAN11 TYPE STRING,
LTSNR TYPE STRING,
AKTNR TYPE STRING,
SAISO TYPE STRING,
SAISJ TYPE STRING,
LGORT TYPE STRING,
ELIKZ TYPE STRING,
BSTAE TYPE STRING,
LOEKZ TYPE STRING,
TXZ01 TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
WEPOS TYPE STRING,
EINDT TYPE STRING,
WEMNG TYPE STRING,
BELNR TYPE STRING,
EBELP TYPE STRING,
AEDAT TYPE STRING,
GJAHR TYPE STRING,
ETENR TYPE STRING,
MAKTX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIP_S_PURCHASE_ORDER_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_FIP_S_PURCHASE_ORDER_STR-BSTYP sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-BSART sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-EBELN sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-LIFNR sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-LIFNR_NAME sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-EKORG sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-EKGRP sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-BEDAT sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-RESWK sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-ERNAM sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-BUKRS sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-LOEKZ_HD sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-MATNR sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-WERKS sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-MATKL sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-IDNLF sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-PSTYP sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-KNTTP sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-EAN11 sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-LTSNR sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-AKTNR sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-SAISO sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-SAISJ sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-LGORT sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-ELIKZ sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-BSTAE sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-LOEKZ sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-TXZ01 sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-MENGE sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-MEINS sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-WEPOS sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-EINDT sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-WEMNG sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-BELNR sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-EBELP sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-AEDAT sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-GJAHR sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-ETENR sy-vline 
WA_FIP_S_PURCHASE_ORDER_STR-MAKTX sy-vline      INTO ld_text SEPARATED BY SPACE.

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