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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/CAK_S_NOMINFO_DET
*  INTO TABLE @DATA(IT_/ACCGO/CAK_S_NOMINFO_DET2).
*--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/CAK_S_NOMINFO_DET INDEX 1 INTO DATA(WA_/ACCGO/CAK_S_NOMINFO_DET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/CAK_S_NOMINFO_DET>-CONTRACTNUM = 1.
</ACCGO/CAK_S_NOMINFO_DET>-TRADINGCONTRACTITEM = 1.
</ACCGO/CAK_S_NOMINFO_DET>-CONTRACTITEMASSIGNMENTUUID = 1.
</ACCGO/CAK_S_NOMINFO_DET>-ACMPRICINGASPECT = 1.
</ACCGO/CAK_S_NOMINFO_DET>-ACMPRICINGASPECTVALUE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/CAK_S_NOMINFO_DET-ACMFROMDOCUMENTNUMBER, sy-vline,
  WA_/ACCGO/CAK_S_NOMINFO_DET-APPLICATIONDOCUMENTITEM, sy-vline,
  WA_/ACCGO/CAK_S_NOMINFO_DET-DOCUMENTFROM, sy-vline,
  WA_/ACCGO/CAK_S_NOMINFO_DET-TRDGCONTRPRCGASPECTSRCELOTID, sy-vline,
  WA_/ACCGO/CAK_S_NOMINFO_DET-CONFIRMEDNOMINATIONNUMBER, sy-vline,
  WA_/ACCGO/CAK_S_NOMINFO_DET-CONFIRMEDNOMINATIONITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/CAK_S_NOMINFO_DET 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/CAK_S_NOMINFO_DET 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/CAK_S_NOMINFO_DET INTO WA_/ACCGO/CAK_S_NOMINFO_DET.


*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 CONTRACTNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAK_S_NOMINFO_DET-CONTRACTNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAK_S_NOMINFO_DET-CONTRACTNUM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field ACTUALSCHEDULEDQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAK_S_NOMINFO_DET-ACTUALSCHEDULEDQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAK_S_NOMINFO_DET-ACTUALSCHEDULEDQUANTITYUNIT.
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/CAK_S_NOMINFO_DET_STR, 
CONTRACTNUM TYPE STRING,
TRADINGCONTRACTITEM TYPE STRING,
CONTRACTITEMASSIGNMENTUUID TYPE STRING,
ACMPRICINGASPECT TYPE STRING,
ACMPRICINGASPECTVALUE TYPE STRING,
ACMFROMDOCUMENTNUMBER TYPE STRING,
APPLICATIONDOCUMENTITEM TYPE STRING,
DOCUMENTFROM TYPE STRING,
TRDGCONTRPRCGASPECTSRCELOTID TYPE STRING,
CONFIRMEDNOMINATIONNUMBER TYPE STRING,
CONFIRMEDNOMINATIONITEM TYPE STRING,
ACMNOMINATIONSCHEDULEDQTY TYPE STRING,
ACMNOMINATIONSCHEDULEDQTYUOM TYPE STRING,
CMMDTYNOMINATIONNUMBER TYPE STRING,
ACMMNTNPRCGNOMINATIONACTUALQTY TYPE STRING,
ACTUALSCHEDULEDQUANTITYUNIT TYPE STRING,
NOMINATIONITEMSTATUS TYPE STRING,
ACMAPPLDOCCONTROPTNDSCHRGDLOC TYPE STRING,
ACMAPPLDOCCONTROPTNLOADLOC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/CAK_S_NOMINFO_DET_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/CAK_S_NOMINFO_DET_STR-CONTRACTNUM sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-TRADINGCONTRACTITEM sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-CONTRACTITEMASSIGNMENTUUID sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-ACMPRICINGASPECT sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-ACMPRICINGASPECTVALUE sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-ACMFROMDOCUMENTNUMBER sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-APPLICATIONDOCUMENTITEM sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-DOCUMENTFROM sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-TRDGCONTRPRCGASPECTSRCELOTID sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-CONFIRMEDNOMINATIONNUMBER sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-CONFIRMEDNOMINATIONITEM sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-ACMNOMINATIONSCHEDULEDQTY sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-ACMNOMINATIONSCHEDULEDQTYUOM sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-CMMDTYNOMINATIONNUMBER sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-ACMMNTNPRCGNOMINATIONACTUALQTY sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-ACTUALSCHEDULEDQUANTITYUNIT sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-NOMINATIONITEMSTATUS sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-ACMAPPLDOCCONTROPTNDSCHRGDLOC sy-vline 
WA_/ACCGO/CAK_S_NOMINFO_DET_STR-ACMAPPLDOCCONTROPTNLOADLOC sy-vline      INTO ld_text SEPARATED BY SPACE.

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