ABAP Select data from SAP table ILSTMIMBLDOC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ILSTMIMBLDOC
*  INTO TABLE @DATA(IT_ILSTMIMBLDOC2).
*--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_ILSTMIMBLDOC INDEX 1 INTO DATA(WA_ILSTMIMBLDOC2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ILSTMIMBLDOC-SHIPTOPARTY, sy-vline,
  WA_ILSTMIMBLDOC-CUSTOMERREFERENCENUMBER, sy-vline,
  WA_ILSTMIMBLDOC-DOCUMENTREFERENCEID, sy-vline,
  WA_ILSTMIMBLDOC-BILLINGDOCUMENT, sy-vline,
  WA_ILSTMIMBLDOC-LASTMILEROUTECURRENCY, sy-vline,
  WA_ILSTMIMBLDOC-LSTMIRTEASSGDPAYTCOLLTDAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ILSTMIMBLDOC 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_ILSTMIMBLDOC 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_ILSTMIMBLDOC INTO WA_ILSTMIMBLDOC.


*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 BILLINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ILSTMIMBLDOC-BILLINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ILSTMIMBLDOC-BILLINGDOCUMENT.
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_ILSTMIMBLDOC_STR, 
MANDT TYPE STRING,
LSTMIROUTEDOCUMENTHEADERUUID TYPE STRING,
LASTMILEROUTESTOPUUID TYPE STRING,
LASTMILEROUTEUUID TYPE STRING,
SOLDTOPARTY TYPE STRING,
SHIPTOPARTY TYPE STRING,
CUSTOMERREFERENCENUMBER TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
BILLINGDOCUMENT TYPE STRING,
LASTMILEROUTECURRENCY TYPE STRING,
LSTMIRTEASSGDPAYTCOLLTDAMOUNT TYPE STRING,
LSTMIRTEMBLBILLGDOCGROSSAMOUNT TYPE STRING,
CUSTOMERPAYMENTTERMS TYPE STRING,
LSTMIRTECOLLTDPAYTINVCDIFFAMT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ILSTMIMBLDOC_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_ILSTMIMBLDOC_STR-MANDT sy-vline 
WA_ILSTMIMBLDOC_STR-LSTMIROUTEDOCUMENTHEADERUUID sy-vline 
WA_ILSTMIMBLDOC_STR-LASTMILEROUTESTOPUUID sy-vline 
WA_ILSTMIMBLDOC_STR-LASTMILEROUTEUUID sy-vline 
WA_ILSTMIMBLDOC_STR-SOLDTOPARTY sy-vline 
WA_ILSTMIMBLDOC_STR-SHIPTOPARTY sy-vline 
WA_ILSTMIMBLDOC_STR-CUSTOMERREFERENCENUMBER sy-vline 
WA_ILSTMIMBLDOC_STR-DOCUMENTREFERENCEID sy-vline 
WA_ILSTMIMBLDOC_STR-BILLINGDOCUMENT sy-vline 
WA_ILSTMIMBLDOC_STR-LASTMILEROUTECURRENCY sy-vline 
WA_ILSTMIMBLDOC_STR-LSTMIRTEASSGDPAYTCOLLTDAMOUNT sy-vline 
WA_ILSTMIMBLDOC_STR-LSTMIRTEMBLBILLGDOCGROSSAMOUNT sy-vline 
WA_ILSTMIMBLDOC_STR-CUSTOMERPAYMENTTERMS sy-vline 
WA_ILSTMIMBLDOC_STR-LSTMIRTECOLLTDPAYTINVCDIFFAMT sy-vline      INTO ld_text SEPARATED BY SPACE.

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