ABAP Select data from SAP table ICCTMAILTMPL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICCTMAILTMPL
*  INTO TABLE @DATA(IT_ICCTMAILTMPL2).
*--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_ICCTMAILTMPL INDEX 1 INTO DATA(WA_ICCTMAILTMPL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICCTMAILTMPL>-MANDT = 1.
<ICCTMAILTMPL>-CUSTOMERCONTACTUUID = 1.
<ICCTMAILTMPL>-BUSINESSPARTNER = 1.
<ICCTMAILTMPL>-COLLECTIONSEGMENT = 1.
<ICCTMAILTMPL>-COLLECTIONCUSTOMERCONTACT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICCTMAILTMPL-COLLECTIONSPECIALIST, sy-vline,
  WA_ICCTMAILTMPL-CONTACTPERSON, sy-vline,
  WA_ICCTMAILTMPL-CONTACTPERSONNAME, sy-vline,
  WA_ICCTMAILTMPL-CONTACTPERSONEMAILADDRESS, sy-vline,
  WA_ICCTMAILTMPL-CONTACTPERSONPHONENUMBER, sy-vline,
  WA_ICCTMAILTMPL-CONTACTPERSONFAXNUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICCTMAILTMPL 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_ICCTMAILTMPL 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_ICCTMAILTMPL INTO WA_ICCTMAILTMPL.


*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 BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICCTMAILTMPL-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICCTMAILTMPL-BUSINESSPARTNER.
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_ICCTMAILTMPL_STR, 
MANDT TYPE STRING,
CUSTOMERCONTACTUUID TYPE STRING,
BUSINESSPARTNER TYPE STRING,
COLLECTIONSEGMENT TYPE STRING,
COLLECTIONCUSTOMERCONTACT TYPE STRING,
COLLECTIONSPECIALIST TYPE STRING,
CONTACTPERSON TYPE STRING,
CONTACTPERSONNAME TYPE STRING,
CONTACTPERSONEMAILADDRESS TYPE STRING,
CONTACTPERSONPHONENUMBER TYPE STRING,
CONTACTPERSONFAXNUMBER TYPE STRING,
CONTACTPERSONFAXCOUNTRY TYPE STRING,
CUSTOMERCONTACTDIRECTION TYPE STRING,
CUSTOMERCONTACTTYPE TYPE STRING,
CUSTOMERCONTACTRESULT TYPE STRING,
CUSTOMERISREACHED TYPE STRING,
CUSTOMERCONTACTDATETIME TYPE STRING,
CUSTCONTACTDURATIONINMINUTES TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
CHANGEDBY TYPE STRING,
CHANGEDONDATETIME TYPE STRING,
COLLECTIONWORKLISTITEMUUID TYPE STRING,
USERDEFINEDTEXT TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,
COLLECTIONSEGMENTNAME TYPE STRING,
USERDESCRIPTION TYPE STRING,
CUSTOMERCONTACTDIRECTIONNAME TYPE STRING,
CUSTOMERCONTACTTYPENAME TYPE STRING,
CUSTOMERCONTACTRESULTTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICCTMAILTMPL_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_ICCTMAILTMPL_STR-MANDT sy-vline 
WA_ICCTMAILTMPL_STR-CUSTOMERCONTACTUUID sy-vline 
WA_ICCTMAILTMPL_STR-BUSINESSPARTNER sy-vline 
WA_ICCTMAILTMPL_STR-COLLECTIONSEGMENT sy-vline 
WA_ICCTMAILTMPL_STR-COLLECTIONCUSTOMERCONTACT sy-vline 
WA_ICCTMAILTMPL_STR-COLLECTIONSPECIALIST sy-vline 
WA_ICCTMAILTMPL_STR-CONTACTPERSON sy-vline 
WA_ICCTMAILTMPL_STR-CONTACTPERSONNAME sy-vline 
WA_ICCTMAILTMPL_STR-CONTACTPERSONEMAILADDRESS sy-vline 
WA_ICCTMAILTMPL_STR-CONTACTPERSONPHONENUMBER sy-vline 
WA_ICCTMAILTMPL_STR-CONTACTPERSONFAXNUMBER sy-vline 
WA_ICCTMAILTMPL_STR-CONTACTPERSONFAXCOUNTRY sy-vline 
WA_ICCTMAILTMPL_STR-CUSTOMERCONTACTDIRECTION sy-vline 
WA_ICCTMAILTMPL_STR-CUSTOMERCONTACTTYPE sy-vline 
WA_ICCTMAILTMPL_STR-CUSTOMERCONTACTRESULT sy-vline 
WA_ICCTMAILTMPL_STR-CUSTOMERISREACHED sy-vline 
WA_ICCTMAILTMPL_STR-CUSTOMERCONTACTDATETIME sy-vline 
WA_ICCTMAILTMPL_STR-CUSTCONTACTDURATIONINMINUTES sy-vline 
WA_ICCTMAILTMPL_STR-CREATEDBYUSER sy-vline 
WA_ICCTMAILTMPL_STR-CREATIONDATETIME sy-vline 
WA_ICCTMAILTMPL_STR-CHANGEDBY sy-vline 
WA_ICCTMAILTMPL_STR-CHANGEDONDATETIME sy-vline 
WA_ICCTMAILTMPL_STR-COLLECTIONWORKLISTITEMUUID sy-vline 
WA_ICCTMAILTMPL_STR-USERDEFINEDTEXT sy-vline 
WA_ICCTMAILTMPL_STR-BUSINESSPARTNERNAME sy-vline 
WA_ICCTMAILTMPL_STR-COLLECTIONSEGMENTNAME sy-vline 
WA_ICCTMAILTMPL_STR-USERDESCRIPTION sy-vline 
WA_ICCTMAILTMPL_STR-CUSTOMERCONTACTDIRECTIONNAME sy-vline 
WA_ICCTMAILTMPL_STR-CUSTOMERCONTACTTYPENAME sy-vline 
WA_ICCTMAILTMPL_STR-CUSTOMERCONTACTRESULTTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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