ABAP Select data from SAP table /SCMTMS/S_PRINTOUT_MBL_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMTMS/S_PRINTOUT_MBL_ITEM
*  INTO TABLE @DATA(IT_/SCMTMS/S_PRINTOUT_MBL_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_/SCMTMS/S_PRINTOUT_MBL_ITEM INDEX 1 INTO DATA(WA_/SCMTMS/S_PRINTOUT_MBL_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMTMS/S_PRINTOUT_MBL_ITEM>-MARKS_AND_NUMBER = 1.
</SCMTMS/S_PRINTOUT_MBL_ITEM>-PACKAGING_QTY = 1.
</SCMTMS/S_PRINTOUT_MBL_ITEM>-PACKAGING_TYPE = 1.
</SCMTMS/S_PRINTOUT_MBL_ITEM>-DESCRIPTION_OF_GOODS = 1.
</SCMTMS/S_PRINTOUT_MBL_ITEM>-GROSS_WEIGHT_MEASUREUNIT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMTMS/S_PRINTOUT_MBL_ITEM-GROSS_WEIGHT_QUANTITY, sy-vline,
  WA_/SCMTMS/S_PRINTOUT_MBL_ITEM-GROSS_MEASUREMENT_MEASUREUNIT, sy-vline,
  WA_/SCMTMS/S_PRINTOUT_MBL_ITEM-GROSS_MEASUREMENT_QUANTITY, sy-vline,
  WA_/SCMTMS/S_PRINTOUT_MBL_ITEM-DGO_INDICATOR, sy-vline,
  WA_/SCMTMS/S_PRINTOUT_MBL_ITEM-HS_CCODE, sy-vline,
  WA_/SCMTMS/S_PRINTOUT_MBL_ITEM-TRQ_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMTMS/S_PRINTOUT_MBL_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_/SCMTMS/S_PRINTOUT_MBL_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_/SCMTMS/S_PRINTOUT_MBL_ITEM INTO WA_/SCMTMS/S_PRINTOUT_MBL_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 CUNIT, internal->external for field GROSS_WEIGHT_MEASUREUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_PRINTOUT_MBL_ITEM-GROSS_WEIGHT_MEASUREUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_PRINTOUT_MBL_ITEM-GROSS_WEIGHT_MEASUREUNIT.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit CUNIT, internal->external for field CONTAINER_GROSS_MEASUREMT_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_PRINTOUT_MBL_ITEM-CONTAINER_GROSS_MEASUREMT_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_PRINTOUT_MBL_ITEM-CONTAINER_GROSS_MEASUREMT_UNIT.
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_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR, 
MARKS_AND_NUMBER TYPE STRING,
PACKAGING_QTY TYPE STRING,
PACKAGING_TYPE TYPE STRING,
DESCRIPTION_OF_GOODS TYPE STRING,
GROSS_WEIGHT_MEASUREUNIT TYPE STRING,
GROSS_WEIGHT_QUANTITY TYPE STRING,
GROSS_MEASUREMENT_MEASUREUNIT TYPE STRING,
GROSS_MEASUREMENT_QUANTITY TYPE STRING,
DGO_INDICATOR TYPE STRING,
HS_CCODE TYPE STRING,
TRQ_ID TYPE STRING,
ITEM_CAT TYPE STRING,
CONTAINER_ID TYPE STRING,
CONTAINER_TYPE TYPE STRING,
SEAL_ID TYPE STRING,
ITEM_KEY TYPE STRING,
CONTAINER_GROSS_WEIGHT_UNIT TYPE STRING,
CONTAINER_GROSS_WEIGHT_QTY TYPE STRING,
CONTAINER_GROSS_MEASUREMT_UNIT TYPE STRING,
CONTAINER_GROSS_MEASUREMT_QTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMTMS/S_PRINTOUT_MBL_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_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-MARKS_AND_NUMBER sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-PACKAGING_QTY sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-PACKAGING_TYPE sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-DESCRIPTION_OF_GOODS sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-GROSS_WEIGHT_MEASUREUNIT sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-GROSS_WEIGHT_QUANTITY sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-GROSS_MEASUREMENT_MEASUREUNIT sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-GROSS_MEASUREMENT_QUANTITY sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-DGO_INDICATOR sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-HS_CCODE sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-TRQ_ID sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-ITEM_CAT sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-CONTAINER_ID sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-CONTAINER_TYPE sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-SEAL_ID sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-ITEM_KEY sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-CONTAINER_GROSS_WEIGHT_UNIT sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-CONTAINER_GROSS_WEIGHT_QTY sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-CONTAINER_GROSS_MEASUREMT_UNIT sy-vline 
WA_/SCMTMS/S_PRINTOUT_MBL_ITEM_STR-CONTAINER_GROSS_MEASUREMT_QTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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