ABAP Select data from SAP table ISK_FRCELMNTORGDESCRIPTIONTP_A into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISK_FRCELMNTORGDESCRIPTIONTP_A
*  INTO TABLE @DATA(IT_ISK_FRCELMNTORGDESCRIPTIONTP_A2).
*--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_ISK_FRCELMNTORGDESCRIPTIONTP_A INDEX 1 INTO DATA(WA_ISK_FRCELMNTORGDESCRIPTIONTP_A2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISK_FRCELMNTORGDESCRIPTIONTP_A>-FRCELMNTORGPLANVERSION = 1.
<ISK_FRCELMNTORGDESCRIPTIONTP_A>-FRCELMNTORGTYPE = 1.
<ISK_FRCELMNTORGDESCRIPTIONTP_A>-FORCEELEMENTORGID = 1.
<ISK_FRCELMNTORGDESCRIPTIONTP_A>-FRCELMNTORGPLNGSTATUS = 1.
<ISK_FRCELMNTORGDESCRIPTIONTP_A>-FRCELMNTORGVALDTYSTARTDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISK_FRCELMNTORGDESCRIPTIONTP_A-FRCELMNTORGVALDTYENDDATE, sy-vline,
  WA_ISK_FRCELMNTORGDESCRIPTIONTP_A-FRCELMNTORGLANGUAGE, sy-vline,
  WA_ISK_FRCELMNTORGDESCRIPTIONTP_A-NUMBEROFFORCEELEMENTORG, sy-vline,
  WA_ISK_FRCELMNTORGDESCRIPTIONTP_A-NUMBEROFFRCELMNTORGDESCREF, sy-vline,
  WA_ISK_FRCELMNTORGDESCRIPTIONTP_A-FRCELMNTORGSUBTYPE, sy-vline,
  WA_ISK_FRCELMNTORGDESCRIPTIONTP_A-FRCELMNTORGDESCRIPTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISK_FRCELMNTORGDESCRIPTIONTP_A 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_ISK_FRCELMNTORGDESCRIPTIONTP_A 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_ISK_FRCELMNTORGDESCRIPTIONTP_A INTO WA_ISK_FRCELMNTORGDESCRIPTIONTP_A.


*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 ISOLA, internal->external for field FRCELMNTORGLANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ISK_FRCELMNTORGDESCRIPTIONTP_A-FRCELMNTORGLANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISK_FRCELMNTORGDESCRIPTIONTP_A-FRCELMNTORGLANGUAGE.
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_ISK_FRCELMNTORGDESCRIPTIONTP_A_STR, 
FRCELMNTORGPLANVERSION TYPE STRING,
FRCELMNTORGTYPE TYPE STRING,
FORCEELEMENTORGID TYPE STRING,
FRCELMNTORGPLNGSTATUS TYPE STRING,
FRCELMNTORGVALDTYSTARTDATE TYPE STRING,
FRCELMNTORGVALDTYENDDATE TYPE STRING,
FRCELMNTORGLANGUAGE TYPE STRING,
NUMBEROFFORCEELEMENTORG TYPE STRING,
NUMBEROFFRCELMNTORGDESCREF TYPE STRING,
FRCELMNTORGSUBTYPE TYPE STRING,
FRCELMNTORGDESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISK_FRCELMNTORGDESCRIPTIONTP_A_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_ISK_FRCELMNTORGDESCRIPTIONTP_A_STR-FRCELMNTORGPLANVERSION sy-vline 
WA_ISK_FRCELMNTORGDESCRIPTIONTP_A_STR-FRCELMNTORGTYPE sy-vline 
WA_ISK_FRCELMNTORGDESCRIPTIONTP_A_STR-FORCEELEMENTORGID sy-vline 
WA_ISK_FRCELMNTORGDESCRIPTIONTP_A_STR-FRCELMNTORGPLNGSTATUS sy-vline 
WA_ISK_FRCELMNTORGDESCRIPTIONTP_A_STR-FRCELMNTORGVALDTYSTARTDATE sy-vline 
WA_ISK_FRCELMNTORGDESCRIPTIONTP_A_STR-FRCELMNTORGVALDTYENDDATE sy-vline 
WA_ISK_FRCELMNTORGDESCRIPTIONTP_A_STR-FRCELMNTORGLANGUAGE sy-vline 
WA_ISK_FRCELMNTORGDESCRIPTIONTP_A_STR-NUMBEROFFORCEELEMENTORG sy-vline 
WA_ISK_FRCELMNTORGDESCRIPTIONTP_A_STR-NUMBEROFFRCELMNTORGDESCREF sy-vline 
WA_ISK_FRCELMNTORGDESCRIPTIONTP_A_STR-FRCELMNTORGSUBTYPE sy-vline 
WA_ISK_FRCELMNTORGDESCRIPTIONTP_A_STR-FRCELMNTORGDESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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