ABAP Select data from SAP table ESH_U_FRCSTALCDC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_U_FRCSTALCDC
*  INTO TABLE @DATA(IT_ESH_U_FRCSTALCDC2).
*--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_ESH_U_FRCSTALCDC INDEX 1 INTO DATA(WA_ESH_U_FRCSTALCDC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_U_FRCSTALCDC>-MANDT = 1.
<ESH_U_FRCSTALCDC>-FREIGHTCOSTALLOCATIONDOCUMENT = 1.
<ESH_U_FRCSTALCDC>-COMPANYCODE = 1.
<ESH_U_FRCSTALCDC>-COMPANYCODENAME = 1.
<ESH_U_FRCSTALCDC>-DISTRIBUTIONCHANNEL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_U_FRCSTALCDC-DISTRIBUTIONCHANNELNAME, sy-vline,
  WA_ESH_U_FRCSTALCDC-DIVISION, sy-vline,
  WA_ESH_U_FRCSTALCDC-DIVISIONNAME, sy-vline,
  WA_ESH_U_FRCSTALCDC-DOCUMENTDATE, sy-vline,
  WA_ESH_U_FRCSTALCDC-FRTCOSTALLOCACCTGTRANSFSTS, sy-vline,
  WA_ESH_U_FRCSTALCDC-FRTCOSTALLOCDOCCURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_U_FRCSTALCDC 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_ESH_U_FRCSTALCDC 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_ESH_U_FRCSTALCDC INTO WA_ESH_U_FRCSTALCDC.


*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 FREIGHTCOSTALLOCATIONDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_FRCSTALCDC-FREIGHTCOSTALLOCATIONDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_FRCSTALCDC-FREIGHTCOSTALLOCATIONDOCUMENT.
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_ESH_U_FRCSTALCDC_STR, 
MANDT TYPE STRING,
FREIGHTCOSTALLOCATIONDOCUMENT TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODENAME TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DISTRIBUTIONCHANNELNAME TYPE STRING,
DIVISION TYPE STRING,
DIVISIONNAME TYPE STRING,
DOCUMENTDATE TYPE STRING,
FRTCOSTALLOCACCTGTRANSFSTS TYPE STRING,
FRTCOSTALLOCDOCCURRENCY TYPE STRING,
FRTCOSTALLOCDOCTOTALNETAMOUNT TYPE STRING,
FRTCOSTALLOCDOCTOTGROSSAMOUNT TYPE STRING,
POSTINGDATE TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGGROUPNAME TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGORGANIZATIONNAME TYPE STRING,
SALESORGANIZATION TYPE STRING,
SALESORGANIZATIONNAME TYPE STRING,
SETTLMTDOCCAT TYPE STRING,
SETTLMTDOCCATNAME TYPE STRING,
SETTLMTDOCTYPE TYPE STRING,
SETTLMTDOCTYPEDESC TYPE STRING,
SETTLMTPROCESSCAT TYPE STRING,
SETTLMTPROCESSCATNAME TYPE STRING,
SETTLMTPROCESSTYPE TYPE STRING,
SETTLMTPROCESSTYPEDESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_U_FRCSTALCDC_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_ESH_U_FRCSTALCDC_STR-MANDT sy-vline 
WA_ESH_U_FRCSTALCDC_STR-FREIGHTCOSTALLOCATIONDOCUMENT sy-vline 
WA_ESH_U_FRCSTALCDC_STR-COMPANYCODE sy-vline 
WA_ESH_U_FRCSTALCDC_STR-COMPANYCODENAME sy-vline 
WA_ESH_U_FRCSTALCDC_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_ESH_U_FRCSTALCDC_STR-DISTRIBUTIONCHANNELNAME sy-vline 
WA_ESH_U_FRCSTALCDC_STR-DIVISION sy-vline 
WA_ESH_U_FRCSTALCDC_STR-DIVISIONNAME sy-vline 
WA_ESH_U_FRCSTALCDC_STR-DOCUMENTDATE sy-vline 
WA_ESH_U_FRCSTALCDC_STR-FRTCOSTALLOCACCTGTRANSFSTS sy-vline 
WA_ESH_U_FRCSTALCDC_STR-FRTCOSTALLOCDOCCURRENCY sy-vline 
WA_ESH_U_FRCSTALCDC_STR-FRTCOSTALLOCDOCTOTALNETAMOUNT sy-vline 
WA_ESH_U_FRCSTALCDC_STR-FRTCOSTALLOCDOCTOTGROSSAMOUNT sy-vline 
WA_ESH_U_FRCSTALCDC_STR-POSTINGDATE sy-vline 
WA_ESH_U_FRCSTALCDC_STR-PURCHASINGGROUP sy-vline 
WA_ESH_U_FRCSTALCDC_STR-PURCHASINGGROUPNAME sy-vline 
WA_ESH_U_FRCSTALCDC_STR-PURCHASINGORGANIZATION sy-vline 
WA_ESH_U_FRCSTALCDC_STR-PURCHASINGORGANIZATIONNAME sy-vline 
WA_ESH_U_FRCSTALCDC_STR-SALESORGANIZATION sy-vline 
WA_ESH_U_FRCSTALCDC_STR-SALESORGANIZATIONNAME sy-vline 
WA_ESH_U_FRCSTALCDC_STR-SETTLMTDOCCAT sy-vline 
WA_ESH_U_FRCSTALCDC_STR-SETTLMTDOCCATNAME sy-vline 
WA_ESH_U_FRCSTALCDC_STR-SETTLMTDOCTYPE sy-vline 
WA_ESH_U_FRCSTALCDC_STR-SETTLMTDOCTYPEDESC sy-vline 
WA_ESH_U_FRCSTALCDC_STR-SETTLMTPROCESSCAT sy-vline 
WA_ESH_U_FRCSTALCDC_STR-SETTLMTPROCESSCATNAME sy-vline 
WA_ESH_U_FRCSTALCDC_STR-SETTLMTPROCESSTYPE sy-vline 
WA_ESH_U_FRCSTALCDC_STR-SETTLMTPROCESSTYPEDESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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