ABAP Select data from SAP table /ACCGO/UIS_S_WGHT_DATA_API into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/UIS_S_WGHT_DATA_API
*  INTO TABLE @DATA(IT_/ACCGO/UIS_S_WGHT_DATA_API2).
*--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_/ACCGO/UIS_S_WGHT_DATA_API INDEX 1 INTO DATA(WA_/ACCGO/UIS_S_WGHT_DATA_API2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/UIS_S_WGHT_DATA_API>-UIS_EXT_ID = 1.
</ACCGO/UIS_S_WGHT_DATA_API>-EVENTID = 1.
</ACCGO/UIS_S_WGHT_DATA_API>-CERT_CAT = 1.
</ACCGO/UIS_S_WGHT_DATA_API>-CERT_ID = 1.
</ACCGO/UIS_S_WGHT_DATA_API>-SCALE_WT_UOM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/UIS_S_WGHT_DATA_API-GROSS_WT, sy-vline,
  WA_/ACCGO/UIS_S_WGHT_DATA_API-TARE_WT, sy-vline,
  WA_/ACCGO/UIS_S_WGHT_DATA_API-DISPUTE_STATUS, sy-vline,
  WA_/ACCGO/UIS_S_WGHT_DATA_API-DISPUTE_REASON, sy-vline,
  WA_/ACCGO/UIS_S_WGHT_DATA_API-COMMENTS, sy-vline,
  WA_/ACCGO/UIS_S_WGHT_DATA_API-ESTIMATED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/UIS_S_WGHT_DATA_API 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_/ACCGO/UIS_S_WGHT_DATA_API 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_/ACCGO/UIS_S_WGHT_DATA_API INTO WA_/ACCGO/UIS_S_WGHT_DATA_API.


*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 SCALE_WT_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/UIS_S_WGHT_DATA_API-SCALE_WT_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/UIS_S_WGHT_DATA_API-SCALE_WT_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_/ACCGO/UIS_S_WGHT_DATA_API_STR, 
UIS_EXT_ID TYPE STRING,
EVENTID TYPE STRING,
CERT_CAT TYPE STRING,
CERT_ID TYPE STRING,
SCALE_WT_UOM TYPE STRING,
GROSS_WT TYPE STRING,
TARE_WT TYPE STRING,
DISPUTE_STATUS TYPE STRING,
DISPUTE_REASON TYPE STRING,
COMMENTS TYPE STRING,
ESTIMATED TYPE STRING,
WEIGHED_BY TYPE STRING,
WEIGHED_DATE TYPE STRING,
WEIGHED_TIME TYPE STRING,
FEE_DATA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/UIS_S_WGHT_DATA_API_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_/ACCGO/UIS_S_WGHT_DATA_API_STR-UIS_EXT_ID sy-vline 
WA_/ACCGO/UIS_S_WGHT_DATA_API_STR-EVENTID sy-vline 
WA_/ACCGO/UIS_S_WGHT_DATA_API_STR-CERT_CAT sy-vline 
WA_/ACCGO/UIS_S_WGHT_DATA_API_STR-CERT_ID sy-vline 
WA_/ACCGO/UIS_S_WGHT_DATA_API_STR-SCALE_WT_UOM sy-vline 
WA_/ACCGO/UIS_S_WGHT_DATA_API_STR-GROSS_WT sy-vline 
WA_/ACCGO/UIS_S_WGHT_DATA_API_STR-TARE_WT sy-vline 
WA_/ACCGO/UIS_S_WGHT_DATA_API_STR-DISPUTE_STATUS sy-vline 
WA_/ACCGO/UIS_S_WGHT_DATA_API_STR-DISPUTE_REASON sy-vline 
WA_/ACCGO/UIS_S_WGHT_DATA_API_STR-COMMENTS sy-vline 
WA_/ACCGO/UIS_S_WGHT_DATA_API_STR-ESTIMATED sy-vline 
WA_/ACCGO/UIS_S_WGHT_DATA_API_STR-WEIGHED_BY sy-vline 
WA_/ACCGO/UIS_S_WGHT_DATA_API_STR-WEIGHED_DATE sy-vline 
WA_/ACCGO/UIS_S_WGHT_DATA_API_STR-WEIGHED_TIME sy-vline 
WA_/ACCGO/UIS_S_WGHT_DATA_API_STR-FEE_DATA sy-vline      INTO ld_text SEPARATED BY SPACE.

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