ABAP Select data from SAP table /SPE/EGR_PO_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SPE/EGR_PO_ITEM 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 /SPE/EGR_PO_ITEM. 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 /SPE/EGR_PO_ITEM 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_/SPE/EGR_PO_ITEM TYPE STANDARD TABLE OF /SPE/EGR_PO_ITEM,
      WA_/SPE/EGR_PO_ITEM TYPE /SPE/EGR_PO_ITEM,
      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: </SPE/EGR_PO_ITEM> TYPE /SPE/EGR_PO_ITEM.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SPE/EGR_PO_ITEM
  INTO TABLE IT_/SPE/EGR_PO_ITEM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SPE/EGR_PO_ITEM
*  INTO TABLE @DATA(IT_/SPE/EGR_PO_ITEM2).
*--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_/SPE/EGR_PO_ITEM INDEX 1 INTO DATA(WA_/SPE/EGR_PO_ITEM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SPE/EGR_PO_ITEM ASSIGNING </SPE/EGR_PO_ITEM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SPE/EGR_PO_ITEM>-EBELN = 1.
</SPE/EGR_PO_ITEM>-EBELP = 1.
</SPE/EGR_PO_ITEM>-ERNAM = 1.
</SPE/EGR_PO_ITEM>-AEDAT = 1.
</SPE/EGR_PO_ITEM>-BSART = 1.

ENDLOOP.

LOOP AT IT_/SPE/EGR_PO_ITEM INTO WA_/SPE/EGR_PO_ITEM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SPE/EGR_PO_ITEM-LIFNR, sy-vline,
  WA_/SPE/EGR_PO_ITEM-LLIEF, sy-vline,
  WA_/SPE/EGR_PO_ITEM-MATNR, sy-vline,
  WA_/SPE/EGR_PO_ITEM-WERKS, sy-vline,
  WA_/SPE/EGR_PO_ITEM-LGORT, sy-vline,
  WA_/SPE/EGR_PO_ITEM-LGNUM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SPE/EGR_PO_ITEM 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_/SPE/EGR_PO_ITEM 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_/SPE/EGR_PO_ITEM INTO WA_/SPE/EGR_PO_ITEM.


*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_/SPE/EGR_PO_ITEM-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SPE/EGR_PO_ITEM-EBELN.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

*Conversion exit ABPSP, internal->external for field PS_PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_/SPE/EGR_PO_ITEM-PS_PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SPE/EGR_PO_ITEM-PS_PSP_PNR.
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_/SPE/EGR_PO_ITEM_STR, 
EBELN TYPE STRING,
EBELP TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
BSART TYPE STRING,
LIFNR TYPE STRING,
LLIEF TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
LGNUM TYPE STRING,
INFNR TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
LIFEX TYPE STRING,
EINDT TYPE STRING,
SPE_EINTM TYPE STRING,
SLFDT TYPE STRING,
PSTYP TYPE STRING,
KNTTP TYPE STRING,
TZONRC TYPE STRING,
WANST TYPE STRING,
UEBTK TYPE STRING,
TRAGR TYPE STRING,
BSTAE TYPE STRING,
UEBTO TYPE STRING,
UNTTO TYPE STRING,
IDNLF TYPE STRING,
INSMK TYPE STRING,
SOBKZ TYPE STRING,
NTGEW TYPE STRING,
BRGEW TYPE STRING,
GEWEI TYPE STRING,
VOLUM TYPE STRING,
VOLEH TYPE STRING,
SPE_EWM_DTC TYPE STRING,
TOT_MENGE TYPE STRING,
TOT_MEINS TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
CHARG TYPE STRING,
LICHA TYPE STRING,
VBELN TYPE STRING,
VBELP TYPE STRING,
PS_PSP_PNR TYPE STRING,
PSTYV TYPE STRING,
LFART TYPE STRING,
ITEM_PROCESS TYPE STRING,
INITIATOR_PROCESS TYPE STRING,
DUMMY_EKPO_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SPE/EGR_PO_ITEM_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_/SPE/EGR_PO_ITEM_STR-EBELN sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-EBELP sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-ERNAM sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-AEDAT sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-BSART sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-LIFNR sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-LLIEF sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-MATNR sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-WERKS sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-LGORT sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-LGNUM sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-INFNR sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-MENGE sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-MEINS sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-LIFEX sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-EINDT sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-SPE_EINTM sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-SLFDT sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-PSTYP sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-KNTTP sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-TZONRC sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-WANST sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-UEBTK sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-TRAGR sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-BSTAE sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-UEBTO sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-UNTTO sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-IDNLF sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-INSMK sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-SOBKZ sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-NTGEW sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-BRGEW sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-GEWEI sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-VOLUM sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-VOLEH sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-SPE_EWM_DTC sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-TOT_MENGE sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-TOT_MEINS sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-UMREZ sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-UMREN sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-CHARG sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-LICHA sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-VBELN sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-VBELP sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-PS_PSP_PNR sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-PSTYV sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-LFART sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-ITEM_PROCESS sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-INITIATOR_PROCESS sy-vline 
WA_/SPE/EGR_PO_ITEM_STR-DUMMY_EKPO_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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