ABAP Select data from SAP table /SAPSLL/API6850_UOM_R3_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPSLL/API6850_UOM_R3_S 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 /SAPSLL/API6850_UOM_R3_S. 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 /SAPSLL/API6850_UOM_R3_S 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_/SAPSLL/API6850_UOM_R3_S TYPE STANDARD TABLE OF /SAPSLL/API6850_UOM_R3_S,
      WA_/SAPSLL/API6850_UOM_R3_S TYPE /SAPSLL/API6850_UOM_R3_S,
      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: </SAPSLL/API6850_UOM_R3_S> TYPE /SAPSLL/API6850_UOM_R3_S.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPSLL/API6850_UOM_R3_S.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPSLL/API6850_UOM_R3_S
  INTO TABLE IT_/SAPSLL/API6850_UOM_R3_S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPSLL/API6850_UOM_R3_S
*  INTO TABLE @DATA(IT_/SAPSLL/API6850_UOM_R3_S2).
*--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_/SAPSLL/API6850_UOM_R3_S INDEX 1 INTO DATA(WA_/SAPSLL/API6850_UOM_R3_S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPSLL/API6850_UOM_R3_S ASSIGNING </SAPSLL/API6850_UOM_R3_S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPSLL/API6850_UOM_R3_S>-PRODUCT_GUID = 1.
</SAPSLL/API6850_UOM_R3_S>-PRODUCT_ID = 1.
</SAPSLL/API6850_UOM_R3_S>-CREATED_BY = 1.
</SAPSLL/API6850_UOM_R3_S>-CREATED_AT = 1.
</SAPSLL/API6850_UOM_R3_S>-CHANGED_BY = 1.

ENDLOOP.

LOOP AT IT_/SAPSLL/API6850_UOM_R3_S INTO WA_/SAPSLL/API6850_UOM_R3_S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPSLL/API6850_UOM_R3_S-CHANGED_AT, sy-vline,
  WA_/SAPSLL/API6850_UOM_R3_S-CHANGEID, sy-vline,
  WA_/SAPSLL/API6850_UOM_R3_S-DIM_UOM_ISO, sy-vline,
  WA_/SAPSLL/API6850_UOM_R3_S-NUMERATOR, sy-vline,
  WA_/SAPSLL/API6850_UOM_R3_S-DENOMINATOR, sy-vline,
  WA_/SAPSLL/API6850_UOM_R3_S-GRSWEIGHT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPSLL/API6850_UOM_R3_S 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_/SAPSLL/API6850_UOM_R3_S 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_/SAPSLL/API6850_UOM_R3_S INTO WA_/SAPSLL/API6850_UOM_R3_S.


*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 WEIGHTUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/API6850_UOM_R3_S-WEIGHTUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/API6850_UOM_R3_S-WEIGHTUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VOLUMEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/API6850_UOM_R3_S-VOLUMEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/API6850_UOM_R3_S-VOLUMEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DIMUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/API6850_UOM_R3_S-DIMUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/API6850_UOM_R3_S-DIMUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DIM_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/API6850_UOM_R3_S-DIM_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/API6850_UOM_R3_S-DIM_UOM.
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_/SAPSLL/API6850_UOM_R3_S_STR, 
PRODUCT_GUID TYPE STRING,
PRODUCT_ID TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
CHANGEID TYPE STRING,
DIM_UOM_ISO TYPE STRING,
NUMERATOR TYPE STRING,
DENOMINATOR TYPE STRING,
GRSWEIGHT TYPE STRING,
GRSWEIGHT_FLT TYPE STRING,
NETWEIGHT TYPE STRING,
NETWEIGHT_FLT TYPE STRING,
WEIGHTUNIT_ISO TYPE STRING,
WEIGHTUNIT TYPE STRING,
VOLUME TYPE STRING,
VOLUME_FLT TYPE STRING,
VOLUMEUNIT_ISO TYPE STRING,
VOLUMEUNIT TYPE STRING,
LENGTH TYPE STRING,
LENGTH_FLT TYPE STRING,
WIDTH TYPE STRING,
WIDTH_FLT TYPE STRING,
HEIGHT TYPE STRING,
HEIGHT_FLT TYPE STRING,
DIMUNIT_ISO TYPE STRING,
DIMUNIT TYPE STRING,
DIM_UOM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPSLL/API6850_UOM_R3_S_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_/SAPSLL/API6850_UOM_R3_S_STR-PRODUCT_GUID sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-PRODUCT_ID sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-CREATED_BY sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-CREATED_AT sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-CHANGED_BY sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-CHANGED_AT sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-CHANGEID sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-DIM_UOM_ISO sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-NUMERATOR sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-DENOMINATOR sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-GRSWEIGHT sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-GRSWEIGHT_FLT sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-NETWEIGHT sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-NETWEIGHT_FLT sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-WEIGHTUNIT_ISO sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-WEIGHTUNIT sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-VOLUME sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-VOLUME_FLT sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-VOLUMEUNIT_ISO sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-VOLUMEUNIT sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-LENGTH sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-LENGTH_FLT sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-WIDTH sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-WIDTH_FLT sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-HEIGHT sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-HEIGHT_FLT sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-DIMUNIT_ISO sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-DIMUNIT sy-vline 
WA_/SAPSLL/API6850_UOM_R3_S_STR-DIM_UOM sy-vline      INTO ld_text SEPARATED BY SPACE.

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