ABAP Select data from SAP table CRMS4D_SOM_EOAS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMS4D_SOM_EOAS 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 CRMS4D_SOM_EOAS. 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 CRMS4D_SOM_EOAS 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_CRMS4D_SOM_EOAS TYPE STANDARD TABLE OF CRMS4D_SOM_EOAS,
      WA_CRMS4D_SOM_EOAS TYPE CRMS4D_SOM_EOAS,
      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: <CRMS4D_SOM_EOAS> TYPE CRMS4D_SOM_EOAS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CRMS4D_SOM_EOAS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CRMS4D_SOM_EOAS
  INTO TABLE IT_CRMS4D_SOM_EOAS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMS4D_SOM_EOAS
*  INTO TABLE @DATA(IT_CRMS4D_SOM_EOAS2).
*--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_CRMS4D_SOM_EOAS INDEX 1 INTO DATA(WA_CRMS4D_SOM_EOAS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CRMS4D_SOM_EOAS ASSIGNING <CRMS4D_SOM_EOAS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMS4D_SOM_EOAS>-CLIENT = 1.
<CRMS4D_SOM_EOAS>-CRSCTLGMAPPGEXTOBJASSGMTUUID = 1.
<CRMS4D_SOM_EOAS>-CREATEDBYUSER = 1.
<CRMS4D_SOM_EOAS>-CREATIONDATETIME = 1.
<CRMS4D_SOM_EOAS>-LASTCHANGEDBYUSER = 1.

ENDLOOP.

LOOP AT IT_CRMS4D_SOM_EOAS INTO WA_CRMS4D_SOM_EOAS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMS4D_SOM_EOAS-LASTCHANGEDATETIME, sy-vline,
  WA_CRMS4D_SOM_EOAS-CROSSCATALOGMAPPINGVERSIONUUID, sy-vline,
  WA_CRMS4D_SOM_EOAS-SUBSCRPNPRODSPECUUID, sy-vline,
  WA_CRMS4D_SOM_EOAS-CRSCTLGMAPPGEXTOBJASSIGNMENTID, sy-vline,
  WA_CRMS4D_SOM_EOAS-CRSCTLGMAPPGEXTOBJASSGMTDESC, sy-vline,
  WA_CRMS4D_SOM_EOAS-CRSCTLGMAPPGEXTERNALOBJECTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMS4D_SOM_EOAS 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_CRMS4D_SOM_EOAS 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_CRMS4D_SOM_EOAS INTO WA_CRMS4D_SOM_EOAS.


*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_CRMS4D_SOM_EOAS_STR, 
CLIENT TYPE STRING,
CRSCTLGMAPPGEXTOBJASSGMTUUID TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
CROSSCATALOGMAPPINGVERSIONUUID TYPE STRING,
SUBSCRPNPRODSPECUUID TYPE STRING,
CRSCTLGMAPPGEXTOBJASSIGNMENTID TYPE STRING,
CRSCTLGMAPPGEXTOBJASSGMTDESC TYPE STRING,
CRSCTLGMAPPGEXTERNALOBJECTTYPE TYPE STRING,
CRSCTLGMAPPINGEXTERNALOBJECTID TYPE STRING,
CRSCTLGMAPPGEXTOBJDESCRIPTION TYPE STRING,
CRSCTLGMAPPGEXTOBJACTVTNCNDN TYPE STRING,
BRFFUNCTIONUUID TYPE STRING,
CHARACTERISTIC TYPE STRING,
CHARACTERISTICVALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMS4D_SOM_EOAS_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_CRMS4D_SOM_EOAS_STR-CLIENT sy-vline 
WA_CRMS4D_SOM_EOAS_STR-CRSCTLGMAPPGEXTOBJASSGMTUUID sy-vline 
WA_CRMS4D_SOM_EOAS_STR-CREATEDBYUSER sy-vline 
WA_CRMS4D_SOM_EOAS_STR-CREATIONDATETIME sy-vline 
WA_CRMS4D_SOM_EOAS_STR-LASTCHANGEDBYUSER sy-vline 
WA_CRMS4D_SOM_EOAS_STR-LASTCHANGEDATETIME sy-vline 
WA_CRMS4D_SOM_EOAS_STR-CROSSCATALOGMAPPINGVERSIONUUID sy-vline 
WA_CRMS4D_SOM_EOAS_STR-SUBSCRPNPRODSPECUUID sy-vline 
WA_CRMS4D_SOM_EOAS_STR-CRSCTLGMAPPGEXTOBJASSIGNMENTID sy-vline 
WA_CRMS4D_SOM_EOAS_STR-CRSCTLGMAPPGEXTOBJASSGMTDESC sy-vline 
WA_CRMS4D_SOM_EOAS_STR-CRSCTLGMAPPGEXTERNALOBJECTTYPE sy-vline 
WA_CRMS4D_SOM_EOAS_STR-CRSCTLGMAPPINGEXTERNALOBJECTID sy-vline 
WA_CRMS4D_SOM_EOAS_STR-CRSCTLGMAPPGEXTOBJDESCRIPTION sy-vline 
WA_CRMS4D_SOM_EOAS_STR-CRSCTLGMAPPGEXTOBJACTVTNCNDN sy-vline 
WA_CRMS4D_SOM_EOAS_STR-BRFFUNCTIONUUID sy-vline 
WA_CRMS4D_SOM_EOAS_STR-CHARACTERISTIC sy-vline 
WA_CRMS4D_SOM_EOAS_STR-CHARACTERISTICVALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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