ABAP Select data from SAP table CLMRDOCDEX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CLMRDOCDEX
*  INTO TABLE @DATA(IT_CLMRDOCDEX2).
*--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_CLMRDOCDEX INDEX 1 INTO DATA(WA_CLMRDOCDEX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CLMRDOCDEX>-MANDT = 1.
<CLMRDOCDEX>-LSTMIROUTEDOCUMENTHEADERUUID = 1.
<CLMRDOCDEX>-LASTMILEROUTEVISITUUID = 1.
<CLMRDOCDEX>-LASTMILEROUTESTOPUUID = 1.
<CLMRDOCDEX>-LASTMILEROUTEUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CLMRDOCDEX-LASTMILEROUTEDOCUMENTNUMBER, sy-vline,
  WA_CLMRDOCDEX-SDDOCUMENT, sy-vline,
  WA_CLMRDOCDEX-LASTMILEROUTEDOCUMENTTYPE, sy-vline,
  WA_CLMRDOCDEX-LASTMILEROUTEDOCUMENTDATE, sy-vline,
  WA_CLMRDOCDEX-SOLDTOPARTY, sy-vline,
  WA_CLMRDOCDEX-SHIPTOPARTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CLMRDOCDEX 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_CLMRDOCDEX 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_CLMRDOCDEX INTO WA_CLMRDOCDEX.


*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 LASTMILEROUTEDOCUMENTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CLMRDOCDEX-LASTMILEROUTEDOCUMENTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CLMRDOCDEX-LASTMILEROUTEDOCUMENTNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SDDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CLMRDOCDEX-SDDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CLMRDOCDEX-SDDOCUMENT.
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_CLMRDOCDEX_STR, 
MANDT TYPE STRING,
LSTMIROUTEDOCUMENTHEADERUUID TYPE STRING,
LASTMILEROUTEVISITUUID TYPE STRING,
LASTMILEROUTESTOPUUID TYPE STRING,
LASTMILEROUTEUUID TYPE STRING,
LASTMILEROUTEDOCUMENTNUMBER TYPE STRING,
SDDOCUMENT TYPE STRING,
LASTMILEROUTEDOCUMENTTYPE TYPE STRING,
LASTMILEROUTEDOCUMENTDATE TYPE STRING,
SOLDTOPARTY TYPE STRING,
SHIPTOPARTY TYPE STRING,
ADDRESSID TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
LSTMIROUTEDOCUMENTREASONCODE TYPE STRING,
LSTMIRTEDOCUMENTSIGNATUREDATE TYPE STRING,
CUSTOMERREFERENCENUMBER TYPE STRING,
LASTMILEROUTEDOCUMENTISRETURN TYPE STRING,
LSTMIISDOCCREATEDBYSETTLEMENT TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
LASTMILEROUTEDOCUMENTAMOUNT TYPE STRING,
LASTMILEROUTECURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CLMRDOCDEX_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_CLMRDOCDEX_STR-MANDT sy-vline 
WA_CLMRDOCDEX_STR-LSTMIROUTEDOCUMENTHEADERUUID sy-vline 
WA_CLMRDOCDEX_STR-LASTMILEROUTEVISITUUID sy-vline 
WA_CLMRDOCDEX_STR-LASTMILEROUTESTOPUUID sy-vline 
WA_CLMRDOCDEX_STR-LASTMILEROUTEUUID sy-vline 
WA_CLMRDOCDEX_STR-LASTMILEROUTEDOCUMENTNUMBER sy-vline 
WA_CLMRDOCDEX_STR-SDDOCUMENT sy-vline 
WA_CLMRDOCDEX_STR-LASTMILEROUTEDOCUMENTTYPE sy-vline 
WA_CLMRDOCDEX_STR-LASTMILEROUTEDOCUMENTDATE sy-vline 
WA_CLMRDOCDEX_STR-SOLDTOPARTY sy-vline 
WA_CLMRDOCDEX_STR-SHIPTOPARTY sy-vline 
WA_CLMRDOCDEX_STR-ADDRESSID sy-vline 
WA_CLMRDOCDEX_STR-SALESORGANIZATION sy-vline 
WA_CLMRDOCDEX_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_CLMRDOCDEX_STR-DIVISION sy-vline 
WA_CLMRDOCDEX_STR-LSTMIROUTEDOCUMENTREASONCODE sy-vline 
WA_CLMRDOCDEX_STR-LSTMIRTEDOCUMENTSIGNATUREDATE sy-vline 
WA_CLMRDOCDEX_STR-CUSTOMERREFERENCENUMBER sy-vline 
WA_CLMRDOCDEX_STR-LASTMILEROUTEDOCUMENTISRETURN sy-vline 
WA_CLMRDOCDEX_STR-LSTMIISDOCCREATEDBYSETTLEMENT sy-vline 
WA_CLMRDOCDEX_STR-DOCUMENTREFERENCEID sy-vline 
WA_CLMRDOCDEX_STR-LASTMILEROUTEDOCUMENTAMOUNT sy-vline 
WA_CLMRDOCDEX_STR-LASTMILEROUTECURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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