ABAP Select data from SAP table IFETOWBSELMTASMT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFETOWBSELMTASMT
*  INTO TABLE @DATA(IT_IFETOWBSELMTASMT2).
*--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_IFETOWBSELMTASMT INDEX 1 INTO DATA(WA_IFETOWBSELMTASMT2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFETOWBSELMTASMT-FRCELMNTORGVALDTYSTARTDATE, sy-vline,
  WA_IFETOWBSELMTASMT-FRCELMNTORGVALDTYENDDATE, sy-vline,
  WA_IFETOWBSELMTASMT-FRCELMNTORGTYPE, sy-vline,
  WA_IFETOWBSELMTASMT-FRCELMNTORGPLANVERSION, sy-vline,
  WA_IFETOWBSELMTASMT-FRCELMNTORGRELSHPSPEC, sy-vline,
  WA_IFETOWBSELMTASMT-FRCELMNTORGRELSHPBTWNOBJ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFETOWBSELMTASMT 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_IFETOWBSELMTASMT 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_IFETOWBSELMTASMT INTO WA_IFETOWBSELMTASMT.


*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_IFETOWBSELMTASMT-WBSELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFETOWBSELMTASMT-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_IFETOWBSELMTASMT_STR, 
MANDT TYPE STRING,
FRCELMNTORGDRAFTUUID TYPE STRING,
FORCEELEMENTORGID TYPE STRING,
FRCELMNTORGRELATEDORGID TYPE STRING,
FRCELMNTORGPLNGSTATUS TYPE STRING,
FRCELMNTORGVALDTYSTARTDATE TYPE STRING,
FRCELMNTORGVALDTYENDDATE 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,
FRCELMNTORGVALDTYSTARTDATEFOED TYPE STRING,
FRCELMNTORGVALDTYENDDATEFOED 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,
FRCELMNTORGDRFTHASACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFETOWBSELMTASMT_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_IFETOWBSELMTASMT_STR-MANDT sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGDRAFTUUID sy-vline 
WA_IFETOWBSELMTASMT_STR-FORCEELEMENTORGID sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGRELATEDORGID sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGPLNGSTATUS sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGVALDTYSTARTDATE sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGVALDTYENDDATE sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGTYPE sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGPLANVERSION sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGRELSHPSPEC sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGRELSHPBTWNOBJ sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGRELSHPPRIORITY sy-vline 
WA_IFETOWBSELMTASMT_STR-NUMBEROFFORCEELEMENTORG sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGINFOTYPE sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGCONCATENATEDID sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGSUBTYPE sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGPLNGSTSCRITLTY sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGRELATEDORGTYPE sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGLASTCHGDBYUSER sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGVALDTYSTARTDATEFOED sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGVALDTYENDDATEFOED sy-vline 
WA_IFETOWBSELMTASMT_STR-WBSELEMENTINTERNALID sy-vline 
WA_IFETOWBSELMTASMT_STR-WBSELEMENTEXTERNALID sy-vline 
WA_IFETOWBSELMTASMT_STR-WBSELEMENT sy-vline 
WA_IFETOWBSELMTASMT_STR-WBSDESCRIPTION sy-vline 
WA_IFETOWBSELMTASMT_STR-PROJECTPROFILECODE sy-vline 
WA_IFETOWBSELMTASMT_STR-PROJECTINTERNALID sy-vline 
WA_IFETOWBSELMTASMT_STR-PROJECTEXTERNALID sy-vline 
WA_IFETOWBSELMTASMT_STR-PROJECTDESCRIPTION sy-vline 
WA_IFETOWBSELMTASMT_STR-PROJECTPROFILECODETEXT sy-vline 
WA_IFETOWBSELMTASMT_STR-FRCELMNTORGDRFTHASACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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