ABAP Select data from SAP table /LIME/HU_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /LIME/HU_ITEM
*  INTO TABLE @DATA(IT_/LIME/HU_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_/LIME/HU_ITEM INDEX 1 INTO DATA(WA_/LIME/HU_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</LIME/HU_ITEM>-DATA = 1.
</LIME/HU_ITEM>-ID = 1.
</LIME/HU_ITEM>-ID_PARENT = 1.
</LIME/HU_ITEM>-ID_GROUP = 1.
</LIME/HU_ITEM>-DIRECTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/LIME/HU_ITEM-REVERSE_MODE, sy-vline,
  WA_/LIME/HU_ITEM-TIMESTAMP, sy-vline,
  WA_/LIME/HU_ITEM-TIMESTAMP_END, sy-vline,
  WA_/LIME/HU_ITEM-NOTE, sy-vline,
  WA_/LIME/HU_ITEM-REASON, sy-vline,
  WA_/LIME/HU_ITEM-IC_DESCRIP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/LIME/HU_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_/LIME/HU_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_/LIME/HU_ITEM INTO WA_/LIME/HU_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 HUID, internal->external for field HUIDENT
CALL FUNCTION 'CONVERSION_EXIT_HUID_OUTPUT'
  EXPORTING
    input =                      WA_/LIME/HU_ITEM-HUIDENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/LIME/HU_ITEM-HUIDENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit HUID, internal->external for field HUIDENT
CALL FUNCTION 'CONVERSION_EXIT_HUID_OUTPUT'
  EXPORTING
    input =                      WA_/LIME/HU_ITEM-HUIDENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/LIME/HU_ITEM-HUIDENT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field OWNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/LIME/HU_ITEM-OWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/LIME/HU_ITEM-OWNER.
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_/LIME/HU_ITEM_STR, 
DATA TYPE STRING,
ID TYPE STRING,
ID_PARENT TYPE STRING,
ID_GROUP TYPE STRING,
DIRECTION TYPE STRING,
REVERSE_MODE TYPE STRING,
TIMESTAMP TYPE STRING,
TIMESTAMP_END TYPE STRING,
NOTE TYPE STRING,
REASON TYPE STRING,
IC_DESCRIP TYPE STRING,
HU TYPE STRING,
IDX_HU TYPE STRING,
GUID_HU TYPE STRING,
SSCC TYPE STRING,
LGNUM_HU TYPE STRING,
HUIDENT TYPE STRING,
VHI TYPE STRING,
HU_TARGET TYPE STRING,
IDX_HU TYPE STRING,
GUID_HU TYPE STRING,
SSCC TYPE STRING,
LGNUM_HU TYPE STRING,
HUIDENT TYPE STRING,
VHI TYPE STRING,
LOC_TARGET TYPE STRING,
IDX_LOC TYPE STRING,
GUID_LOC TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
GLN TYPE STRING,
DUNS4 TYPE STRING,
LOCID TYPE STRING,
APO_LOCNO TYPE STRING,
PARTNER TYPE STRING,
PARTNER_ROLE TYPE STRING,
MOTID TYPE STRING,
MOTSCODE TYPE STRING,
LGNUM TYPE STRING,
LGTYP TYPE STRING,
LGPLA TYPE STRING,
RSRC TYPE STRING,
TU_NUM TYPE STRING,
LGNUM_VIEW TYPE STRING,
OWNER_TARGET TYPE STRING,
OWNER_ROLE_TARGET TYPE STRING,
REF_DOC TYPE STRING,
PO_NUMBER TYPE STRING,
PO_ITEM TYPE STRING,
PO_COMPLETE TYPE STRING,
ORDER_NUMBER TYPE STRING,
ORDER_ITEM TYPE STRING,
ORDER_COMPLETE TYPE STRING,
DELIVERY TYPE STRING,
DELIVERY_ITEM TYPE STRING,
DELIV_COMPLETE TYPE STRING,
MAT_DOC TYPE STRING,
MAT_DOC_YEAR TYPE STRING,
MAT_DOC_ITEM TYPE STRING,
RESERV_NO TYPE STRING,
RES_ITEM TYPE STRING,
RES_TYPE TYPE STRING,
RES_COMPLETE TYPE STRING,
T_REFERENCE TYPE STRING,
T_PARAM TYPE STRING,
DATA_TARGET TYPE STRING,
OWNER TYPE STRING,
OWNER_ROLE TYPE STRING,
VSI TYPE STRING,
XOWNER TYPE STRING,
XVSI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/LIME/HU_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_/LIME/HU_ITEM_STR-DATA sy-vline 
WA_/LIME/HU_ITEM_STR-ID sy-vline 
WA_/LIME/HU_ITEM_STR-ID_PARENT sy-vline 
WA_/LIME/HU_ITEM_STR-ID_GROUP sy-vline 
WA_/LIME/HU_ITEM_STR-DIRECTION sy-vline 
WA_/LIME/HU_ITEM_STR-REVERSE_MODE sy-vline 
WA_/LIME/HU_ITEM_STR-TIMESTAMP sy-vline 
WA_/LIME/HU_ITEM_STR-TIMESTAMP_END sy-vline 
WA_/LIME/HU_ITEM_STR-NOTE sy-vline 
WA_/LIME/HU_ITEM_STR-REASON sy-vline 
WA_/LIME/HU_ITEM_STR-IC_DESCRIP sy-vline 
WA_/LIME/HU_ITEM_STR-HU sy-vline 
WA_/LIME/HU_ITEM_STR-IDX_HU sy-vline 
WA_/LIME/HU_ITEM_STR-GUID_HU sy-vline 
WA_/LIME/HU_ITEM_STR-SSCC sy-vline 
WA_/LIME/HU_ITEM_STR-LGNUM_HU sy-vline 
WA_/LIME/HU_ITEM_STR-HUIDENT sy-vline 
WA_/LIME/HU_ITEM_STR-VHI sy-vline 
WA_/LIME/HU_ITEM_STR-HU_TARGET sy-vline 
WA_/LIME/HU_ITEM_STR-IDX_HU sy-vline 
WA_/LIME/HU_ITEM_STR-GUID_HU sy-vline 
WA_/LIME/HU_ITEM_STR-SSCC sy-vline 
WA_/LIME/HU_ITEM_STR-LGNUM_HU sy-vline 
WA_/LIME/HU_ITEM_STR-HUIDENT sy-vline 
WA_/LIME/HU_ITEM_STR-VHI sy-vline 
WA_/LIME/HU_ITEM_STR-LOC_TARGET sy-vline 
WA_/LIME/HU_ITEM_STR-IDX_LOC sy-vline 
WA_/LIME/HU_ITEM_STR-GUID_LOC sy-vline 
WA_/LIME/HU_ITEM_STR-WERKS sy-vline 
WA_/LIME/HU_ITEM_STR-LGORT sy-vline 
WA_/LIME/HU_ITEM_STR-GLN sy-vline 
WA_/LIME/HU_ITEM_STR-DUNS4 sy-vline 
WA_/LIME/HU_ITEM_STR-LOCID sy-vline 
WA_/LIME/HU_ITEM_STR-APO_LOCNO sy-vline 
WA_/LIME/HU_ITEM_STR-PARTNER sy-vline 
WA_/LIME/HU_ITEM_STR-PARTNER_ROLE sy-vline 
WA_/LIME/HU_ITEM_STR-MOTID sy-vline 
WA_/LIME/HU_ITEM_STR-MOTSCODE sy-vline 
WA_/LIME/HU_ITEM_STR-LGNUM sy-vline 
WA_/LIME/HU_ITEM_STR-LGTYP sy-vline 
WA_/LIME/HU_ITEM_STR-LGPLA sy-vline 
WA_/LIME/HU_ITEM_STR-RSRC sy-vline 
WA_/LIME/HU_ITEM_STR-TU_NUM sy-vline 
WA_/LIME/HU_ITEM_STR-LGNUM_VIEW sy-vline 
WA_/LIME/HU_ITEM_STR-OWNER_TARGET sy-vline 
WA_/LIME/HU_ITEM_STR-OWNER_ROLE_TARGET sy-vline 
WA_/LIME/HU_ITEM_STR-REF_DOC sy-vline 
WA_/LIME/HU_ITEM_STR-PO_NUMBER sy-vline 
WA_/LIME/HU_ITEM_STR-PO_ITEM sy-vline 
WA_/LIME/HU_ITEM_STR-PO_COMPLETE sy-vline 
WA_/LIME/HU_ITEM_STR-ORDER_NUMBER sy-vline 
WA_/LIME/HU_ITEM_STR-ORDER_ITEM sy-vline 
WA_/LIME/HU_ITEM_STR-ORDER_COMPLETE sy-vline 
WA_/LIME/HU_ITEM_STR-DELIVERY sy-vline 
WA_/LIME/HU_ITEM_STR-DELIVERY_ITEM sy-vline 
WA_/LIME/HU_ITEM_STR-DELIV_COMPLETE sy-vline 
WA_/LIME/HU_ITEM_STR-MAT_DOC sy-vline 
WA_/LIME/HU_ITEM_STR-MAT_DOC_YEAR sy-vline 
WA_/LIME/HU_ITEM_STR-MAT_DOC_ITEM sy-vline 
WA_/LIME/HU_ITEM_STR-RESERV_NO sy-vline 
WA_/LIME/HU_ITEM_STR-RES_ITEM sy-vline 
WA_/LIME/HU_ITEM_STR-RES_TYPE sy-vline 
WA_/LIME/HU_ITEM_STR-RES_COMPLETE sy-vline 
WA_/LIME/HU_ITEM_STR-T_REFERENCE sy-vline 
WA_/LIME/HU_ITEM_STR-T_PARAM sy-vline 
WA_/LIME/HU_ITEM_STR-DATA_TARGET sy-vline 
WA_/LIME/HU_ITEM_STR-OWNER sy-vline 
WA_/LIME/HU_ITEM_STR-OWNER_ROLE sy-vline 
WA_/LIME/HU_ITEM_STR-VSI sy-vline 
WA_/LIME/HU_ITEM_STR-XOWNER sy-vline 
WA_/LIME/HU_ITEM_STR-XVSI sy-vline      INTO ld_text SEPARATED BY SPACE.

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