ABAP Select data from SAP table CFEWBSELMNTUNON into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CFEWBSELMNTUNON 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 CFEWBSELMNTUNON. 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 CFEWBSELMNTUNON 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_CFEWBSELMNTUNON TYPE STANDARD TABLE OF CFEWBSELMNTUNON,
      WA_CFEWBSELMNTUNON TYPE CFEWBSELMNTUNON,
      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: <CFEWBSELMNTUNON> TYPE CFEWBSELMNTUNON.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CFEWBSELMNTUNON
  INTO TABLE IT_CFEWBSELMNTUNON.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFEWBSELMNTUNON
*  INTO TABLE @DATA(IT_CFEWBSELMNTUNON2).
*--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_CFEWBSELMNTUNON INDEX 1 INTO DATA(WA_CFEWBSELMNTUNON2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CFEWBSELMNTUNON ASSIGNING <CFEWBSELMNTUNON>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFEWBSELMNTUNON>-MANDT = 1.
<CFEWBSELMNTUNON>-FORCEELEMENTORGID = 1.
<CFEWBSELMNTUNON>-FRCELMNTORGRELATEDORGID = 1.
<CFEWBSELMNTUNON>-FRCELMNTORGDRAFTUUID = 1.
<CFEWBSELMNTUNON>-FRCELMNTORGPLNGSTATUS = 1.

ENDLOOP.

LOOP AT IT_CFEWBSELMNTUNON INTO WA_CFEWBSELMNTUNON.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFEWBSELMNTUNON-FRCELMNTORGVALDTYSTARTDATE, sy-vline,
  WA_CFEWBSELMNTUNON-FRCELMNTORGVALDTYENDDATE, sy-vline,
  WA_CFEWBSELMNTUNON-DFSASSGMTTECHNICALSTATUSDESC, sy-vline,
  WA_CFEWBSELMNTUNON-DFSASSGMTACTIVEDRAFT, sy-vline,
  WA_CFEWBSELMNTUNON-FRCELMNTORGTYPE, sy-vline,
  WA_CFEWBSELMNTUNON-FRCELMNTORGPLANVERSION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFEWBSELMNTUNON 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_CFEWBSELMNTUNON 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_CFEWBSELMNTUNON INTO WA_CFEWBSELMNTUNON.


*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 ABPSN, internal->external for field WBSELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_CFEWBSELMNTUNON-WBSELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFEWBSELMNTUNON-WBSELEMENT.
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_CFEWBSELMNTUNON_STR, 
MANDT TYPE STRING,
FORCEELEMENTORGID TYPE STRING,
FRCELMNTORGRELATEDORGID TYPE STRING,
FRCELMNTORGDRAFTUUID TYPE STRING,
FRCELMNTORGPLNGSTATUS TYPE STRING,
FRCELMNTORGVALDTYSTARTDATE TYPE STRING,
FRCELMNTORGVALDTYENDDATE TYPE STRING,
DFSASSGMTTECHNICALSTATUSDESC TYPE STRING,
DFSASSGMTACTIVEDRAFT TYPE STRING,
FRCELMNTORGTYPE TYPE STRING,
FRCELMNTORGPLANVERSION TYPE STRING,
FRCELMNTORGRELSHPSPEC TYPE STRING,
FRCELMNTORGRELSHPBTWNOBJ TYPE STRING,
FRCELMNTORGRELSHPPRIORITY TYPE STRING,
NUMBEROFFORCEELEMENTORG TYPE STRING,
FRCELMNTORGINFOTYPE TYPE STRING,
FRCELMNTORGCONCATENATEDID TYPE STRING,
FRCELMNTORGSUBTYPE TYPE STRING,
FRCELMNTORGPLNGSTSCRITLTY TYPE STRING,
FRCELMNTORGRELATEDORGTYPE TYPE STRING,
FRCELMNTORGLASTCHGDBYUSER TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
WBSELEMENTEXTERNALID TYPE STRING,
WBSELEMENT TYPE STRING,
WBSDESCRIPTION TYPE STRING,
PROJECTPROFILECODE TYPE STRING,
PROJECTINTERNALID TYPE STRING,
PROJECTEXTERNALID TYPE STRING,
PROJECTDESCRIPTION TYPE STRING,
PROJECTPROFILECODETEXT TYPE STRING,
ISACTIVEENTITY TYPE STRING,
FRCELMNTORGPLNGSTATUSNAME TYPE STRING,
HASACTIVEENTITY TYPE STRING,
HASDRAFTENTITY TYPE STRING,
CRITICALITY TYPE STRING,
FORCEELEMENTORGUUID TYPE STRING,
FRCELMNTORGNAME TYPE STRING,
FRCELMNTORGSYMBOL TYPE STRING,
FRCELMNTORGSUBTYPENAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFEWBSELMNTUNON_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_CFEWBSELMNTUNON_STR-MANDT sy-vline 
WA_CFEWBSELMNTUNON_STR-FORCEELEMENTORGID sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGRELATEDORGID sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGDRAFTUUID sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGPLNGSTATUS sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGVALDTYSTARTDATE sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGVALDTYENDDATE sy-vline 
WA_CFEWBSELMNTUNON_STR-DFSASSGMTTECHNICALSTATUSDESC sy-vline 
WA_CFEWBSELMNTUNON_STR-DFSASSGMTACTIVEDRAFT sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGTYPE sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGPLANVERSION sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGRELSHPSPEC sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGRELSHPBTWNOBJ sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGRELSHPPRIORITY sy-vline 
WA_CFEWBSELMNTUNON_STR-NUMBEROFFORCEELEMENTORG sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGINFOTYPE sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGCONCATENATEDID sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGSUBTYPE sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGPLNGSTSCRITLTY sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGRELATEDORGTYPE sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGLASTCHGDBYUSER sy-vline 
WA_CFEWBSELMNTUNON_STR-WBSELEMENTINTERNALID sy-vline 
WA_CFEWBSELMNTUNON_STR-WBSELEMENTEXTERNALID sy-vline 
WA_CFEWBSELMNTUNON_STR-WBSELEMENT sy-vline 
WA_CFEWBSELMNTUNON_STR-WBSDESCRIPTION sy-vline 
WA_CFEWBSELMNTUNON_STR-PROJECTPROFILECODE sy-vline 
WA_CFEWBSELMNTUNON_STR-PROJECTINTERNALID sy-vline 
WA_CFEWBSELMNTUNON_STR-PROJECTEXTERNALID sy-vline 
WA_CFEWBSELMNTUNON_STR-PROJECTDESCRIPTION sy-vline 
WA_CFEWBSELMNTUNON_STR-PROJECTPROFILECODETEXT sy-vline 
WA_CFEWBSELMNTUNON_STR-ISACTIVEENTITY sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGPLNGSTATUSNAME sy-vline 
WA_CFEWBSELMNTUNON_STR-HASACTIVEENTITY sy-vline 
WA_CFEWBSELMNTUNON_STR-HASDRAFTENTITY sy-vline 
WA_CFEWBSELMNTUNON_STR-CRITICALITY sy-vline 
WA_CFEWBSELMNTUNON_STR-FORCEELEMENTORGUUID sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGNAME sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGSYMBOL sy-vline 
WA_CFEWBSELMNTUNON_STR-FRCELMNTORGSUBTYPENAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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