ABAP Select data from SAP table VCRMS4D_SOM_PA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VCRMS4D_SOM_PA 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 VCRMS4D_SOM_PA. 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 VCRMS4D_SOM_PA 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_VCRMS4D_SOM_PA TYPE STANDARD TABLE OF VCRMS4D_SOM_PA,
      WA_VCRMS4D_SOM_PA TYPE VCRMS4D_SOM_PA,
      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: <VCRMS4D_SOM_PA> TYPE VCRMS4D_SOM_PA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VCRMS4D_SOM_PA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VCRMS4D_SOM_PA
  INTO TABLE IT_VCRMS4D_SOM_PA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VCRMS4D_SOM_PA
*  INTO TABLE @DATA(IT_VCRMS4D_SOM_PA2).
*--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_VCRMS4D_SOM_PA INDEX 1 INTO DATA(WA_VCRMS4D_SOM_PA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VCRMS4D_SOM_PA ASSIGNING <VCRMS4D_SOM_PA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VCRMS4D_SOM_PA>-CLIENT = 1.
<VCRMS4D_SOM_PA>-CHARGEPLANPARAMETERUUID = 1.
<VCRMS4D_SOM_PA>-CREATEDBYUSER = 1.
<VCRMS4D_SOM_PA>-CREATIONDATETIME = 1.
<VCRMS4D_SOM_PA>-LASTCHANGEDBYUSER = 1.

ENDLOOP.

LOOP AT IT_VCRMS4D_SOM_PA INTO WA_VCRMS4D_SOM_PA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VCRMS4D_SOM_PA-LASTCHANGEDATETIME, sy-vline,
  WA_VCRMS4D_SOM_PA-CHARGEPLANASSIGNMENTUUID, sy-vline,
  WA_VCRMS4D_SOM_PA-SUBSCRPNPRODSPECUUID, sy-vline,
  WA_VCRMS4D_SOM_PA-CHARGEPLANPARAMETERID, sy-vline,
  WA_VCRMS4D_SOM_PA-CHARGEPLANPARAMETERDESCRIPTION, sy-vline,
  WA_VCRMS4D_SOM_PA-CHARGEPLANPARAMETERTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VCRMS4D_SOM_PA 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_VCRMS4D_SOM_PA 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_VCRMS4D_SOM_PA INTO WA_VCRMS4D_SOM_PA.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_VCRMS4D_SOM_PA_STR, 
CLIENT TYPE STRING,
CHARGEPLANPARAMETERUUID TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
CHARGEPLANASSIGNMENTUUID TYPE STRING,
SUBSCRPNPRODSPECUUID TYPE STRING,
CHARGEPLANPARAMETERID TYPE STRING,
CHARGEPLANPARAMETERDESCRIPTION TYPE STRING,
CHARGEPLANPARAMETERTYPE TYPE STRING,
CHARGEPLANPARAMETERUSAGE TYPE STRING,
CHARGEPLANPARAMETERUSEVALUE TYPE STRING,
CHRGPLANPARAMETERNUMERICVALUE TYPE STRING,
CHRGPLNPARAMNMRCDEFAULTVALUE TYPE STRING,
CHARGEPLANPARAMETERSTRINGVALUE TYPE STRING,
CHRGPLNPARAMSTRINGDEFAULTVALUE TYPE STRING,
CHARGEPLANPARAMETERDATEVALUE TYPE STRING,
CHRGPLNPARAMDATEDEFAULTVALUE TYPE STRING,
BRFFUNCTIONUUID TYPE STRING,
CHARGEPLANPARAMETERISMANDATORY TYPE STRING,
CONVERGENTCHARGINGTABLECLASSID TYPE STRING,
CHARACTERISTIC TYPE STRING,
ALLOWANCEDEFINITIONGROUPUUID TYPE STRING,
ALLOWANCEDEFINITIONGROUPID TYPE STRING,
VARIANTCONDITION TYPE STRING,
CONDITIONTYPE TYPE STRING,
CHRGPLNPARAMPRICEISMANDATORY TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VCRMS4D_SOM_PA_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_VCRMS4D_SOM_PA_STR-CLIENT sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHARGEPLANPARAMETERUUID sy-vline 
WA_VCRMS4D_SOM_PA_STR-CREATEDBYUSER sy-vline 
WA_VCRMS4D_SOM_PA_STR-CREATIONDATETIME sy-vline 
WA_VCRMS4D_SOM_PA_STR-LASTCHANGEDBYUSER sy-vline 
WA_VCRMS4D_SOM_PA_STR-LASTCHANGEDATETIME sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHARGEPLANASSIGNMENTUUID sy-vline 
WA_VCRMS4D_SOM_PA_STR-SUBSCRPNPRODSPECUUID sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHARGEPLANPARAMETERID sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHARGEPLANPARAMETERDESCRIPTION sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHARGEPLANPARAMETERTYPE sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHARGEPLANPARAMETERUSAGE sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHARGEPLANPARAMETERUSEVALUE sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHRGPLANPARAMETERNUMERICVALUE sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHRGPLNPARAMNMRCDEFAULTVALUE sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHARGEPLANPARAMETERSTRINGVALUE sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHRGPLNPARAMSTRINGDEFAULTVALUE sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHARGEPLANPARAMETERDATEVALUE sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHRGPLNPARAMDATEDEFAULTVALUE sy-vline 
WA_VCRMS4D_SOM_PA_STR-BRFFUNCTIONUUID sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHARGEPLANPARAMETERISMANDATORY sy-vline 
WA_VCRMS4D_SOM_PA_STR-CONVERGENTCHARGINGTABLECLASSID sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHARACTERISTIC sy-vline 
WA_VCRMS4D_SOM_PA_STR-ALLOWANCEDEFINITIONGROUPUUID sy-vline 
WA_VCRMS4D_SOM_PA_STR-ALLOWANCEDEFINITIONGROUPID sy-vline 
WA_VCRMS4D_SOM_PA_STR-VARIANTCONDITION sy-vline 
WA_VCRMS4D_SOM_PA_STR-CONDITIONTYPE sy-vline 
WA_VCRMS4D_SOM_PA_STR-CHRGPLNPARAMPRICEISMANDATORY sy-vline 
WA_VCRMS4D_SOM_PA_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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