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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/SCP_S_NOM_DEFAULT
*  INTO TABLE @DATA(IT_/ACCGO/SCP_S_NOM_DEFAULT2).
*--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/SCP_S_NOM_DEFAULT INDEX 1 INTO DATA(WA_/ACCGO/SCP_S_NOM_DEFAULT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/SCP_S_NOM_DEFAULT>-NOMTK = 1.
</ACCGO/SCP_S_NOM_DEFAULT>-NOMIT = 1.
</ACCGO/SCP_S_NOM_DEFAULT>-DOCIND = 1.
</ACCGO/SCP_S_NOM_DEFAULT>-DOCNR = 1.
</ACCGO/SCP_S_NOM_DEFAULT>-DOCITM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/SCP_S_NOM_DEFAULT-COM_ITEM, sy-vline,
  WA_/ACCGO/SCP_S_NOM_DEFAULT-TEMP_SEQ, sy-vline,
  WA_/ACCGO/SCP_S_NOM_DEFAULT-INCO1, sy-vline,
  WA_/ACCGO/SCP_S_NOM_DEFAULT-TRAN_MEAN, sy-vline,
  WA_/ACCGO/SCP_S_NOM_DEFAULT-DIS_LOC, sy-vline,
  WA_/ACCGO/SCP_S_NOM_DEFAULT-LOAD_LOC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/SCP_S_NOM_DEFAULT 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/SCP_S_NOM_DEFAULT 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/SCP_S_NOM_DEFAULT INTO WA_/ACCGO/SCP_S_NOM_DEFAULT.


*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 ALPHA, internal->external for field NOMTK
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/SCP_S_NOM_DEFAULT-NOMTK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/SCP_S_NOM_DEFAULT-NOMTK.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field CONTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/SCP_S_NOM_DEFAULT-CONTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/SCP_S_NOM_DEFAULT-CONTNR.
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/SCP_S_NOM_DEFAULT_STR, 
NOMTK TYPE STRING,
NOMIT TYPE STRING,
DOCIND TYPE STRING,
DOCNR TYPE STRING,
DOCITM TYPE STRING,
COM_ITEM TYPE STRING,
TEMP_SEQ TYPE STRING,
INCO1 TYPE STRING,
TRAN_MEAN TYPE STRING,
DIS_LOC TYPE STRING,
LOAD_LOC TYPE STRING,
MOT TYPE STRING,
CONTNR TYPE STRING,
CONTITM TYPE STRING,
COMITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/SCP_S_NOM_DEFAULT_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/SCP_S_NOM_DEFAULT_STR-NOMTK sy-vline 
WA_/ACCGO/SCP_S_NOM_DEFAULT_STR-NOMIT sy-vline 
WA_/ACCGO/SCP_S_NOM_DEFAULT_STR-DOCIND sy-vline 
WA_/ACCGO/SCP_S_NOM_DEFAULT_STR-DOCNR sy-vline 
WA_/ACCGO/SCP_S_NOM_DEFAULT_STR-DOCITM sy-vline 
WA_/ACCGO/SCP_S_NOM_DEFAULT_STR-COM_ITEM sy-vline 
WA_/ACCGO/SCP_S_NOM_DEFAULT_STR-TEMP_SEQ sy-vline 
WA_/ACCGO/SCP_S_NOM_DEFAULT_STR-INCO1 sy-vline 
WA_/ACCGO/SCP_S_NOM_DEFAULT_STR-TRAN_MEAN sy-vline 
WA_/ACCGO/SCP_S_NOM_DEFAULT_STR-DIS_LOC sy-vline 
WA_/ACCGO/SCP_S_NOM_DEFAULT_STR-LOAD_LOC sy-vline 
WA_/ACCGO/SCP_S_NOM_DEFAULT_STR-MOT sy-vline 
WA_/ACCGO/SCP_S_NOM_DEFAULT_STR-CONTNR sy-vline 
WA_/ACCGO/SCP_S_NOM_DEFAULT_STR-CONTITM sy-vline 
WA_/ACCGO/SCP_S_NOM_DEFAULT_STR-COMITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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