ABAP Select data from SAP table SHP_SE_ASN_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SHP_SE_ASN_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 SHP_SE_ASN_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 SHP_SE_ASN_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_SHP_SE_ASN_ITEM TYPE STANDARD TABLE OF SHP_SE_ASN_ITEM,
      WA_SHP_SE_ASN_ITEM TYPE SHP_SE_ASN_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: <SHP_SE_ASN_ITEM> TYPE SHP_SE_ASN_ITEM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SHP_SE_ASN_ITEM
*  INTO TABLE @DATA(IT_SHP_SE_ASN_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_SHP_SE_ASN_ITEM INDEX 1 INTO DATA(WA_SHP_SE_ASN_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SHP_SE_ASN_ITEM>-LIFEXPOS = 1.
<SHP_SE_ASN_ITEM>-IDNLF = 1.
<SHP_SE_ASN_ITEM>-MATNR = 1.
<SHP_SE_ASN_ITEM>-KDMAT = 1.
<SHP_SE_ASN_ITEM>-LICHN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SHP_SE_ASN_ITEM-CHARG, sy-vline,
  WA_SHP_SE_ASN_ITEM-EMATN, sy-vline,
  WA_SHP_SE_ASN_ITEM-POSAR, sy-vline,
  WA_SHP_SE_ASN_ITEM-VGBEL, sy-vline,
  WA_SHP_SE_ASN_ITEM-VGPOS, sy-vline,
  WA_SHP_SE_ASN_ITEM-LFIMG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SHP_SE_ASN_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_SHP_SE_ASN_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_SHP_SE_ASN_ITEM INTO WA_SHP_SE_ASN_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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_SHP_SE_ASN_ITEM-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SHP_SE_ASN_ITEM-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit CUNIT, internal->external for field VOLEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_SHP_SE_ASN_ITEM-VOLEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SHP_SE_ASN_ITEM-VOLEH.
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_SHP_SE_ASN_ITEM_STR, 
LIFEXPOS TYPE STRING,
IDNLF TYPE STRING,
MATNR TYPE STRING,
KDMAT TYPE STRING,
LICHN TYPE STRING,
CHARG TYPE STRING,
EMATN TYPE STRING,
POSAR TYPE STRING,
VGBEL TYPE STRING,
VGPOS TYPE STRING,
LFIMG TYPE STRING,
VRKME TYPE STRING,
BRGEW TYPE STRING,
NTGEW TYPE STRING,
GEWEI TYPE STRING,
VOLUM TYPE STRING,
VOLEH TYPE STRING,
SERNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SHP_SE_ASN_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_SHP_SE_ASN_ITEM_STR-LIFEXPOS sy-vline 
WA_SHP_SE_ASN_ITEM_STR-IDNLF sy-vline 
WA_SHP_SE_ASN_ITEM_STR-MATNR sy-vline 
WA_SHP_SE_ASN_ITEM_STR-KDMAT sy-vline 
WA_SHP_SE_ASN_ITEM_STR-LICHN sy-vline 
WA_SHP_SE_ASN_ITEM_STR-CHARG sy-vline 
WA_SHP_SE_ASN_ITEM_STR-EMATN sy-vline 
WA_SHP_SE_ASN_ITEM_STR-POSAR sy-vline 
WA_SHP_SE_ASN_ITEM_STR-VGBEL sy-vline 
WA_SHP_SE_ASN_ITEM_STR-VGPOS sy-vline 
WA_SHP_SE_ASN_ITEM_STR-LFIMG sy-vline 
WA_SHP_SE_ASN_ITEM_STR-VRKME sy-vline 
WA_SHP_SE_ASN_ITEM_STR-BRGEW sy-vline 
WA_SHP_SE_ASN_ITEM_STR-NTGEW sy-vline 
WA_SHP_SE_ASN_ITEM_STR-GEWEI sy-vline 
WA_SHP_SE_ASN_ITEM_STR-VOLUM sy-vline 
WA_SHP_SE_ASN_ITEM_STR-VOLEH sy-vline 
WA_SHP_SE_ASN_ITEM_STR-SERNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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