ABAP Select data from SAP table ICMMROBJIT into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICMMROBJIT 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 ICMMROBJIT. 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 ICMMROBJIT 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_ICMMROBJIT TYPE STANDARD TABLE OF ICMMROBJIT,
      WA_ICMMROBJIT TYPE ICMMROBJIT,
      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: <ICMMROBJIT> TYPE ICMMROBJIT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICMMROBJIT
*  INTO TABLE @DATA(IT_ICMMROBJIT2).
*--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_ICMMROBJIT INDEX 1 INTO DATA(WA_ICMMROBJIT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICMMROBJIT>-MANDT = 1.
<ICMMROBJIT>-COMMODITYRISKOBJECTITEMNODE = 1.
<ICMMROBJIT>-COMMODITYRISKOBJECTPARENTNODE = 1.
<ICMMROBJIT>-CMMDTYRSKOBJITEMSTATUS = 1.
<ICMMROBJIT>-CMMDTYRSKOBJITEMREVALSTATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICMMROBJIT-PRICINGDOCUMENTITEM, sy-vline,
  WA_ICMMROBJIT-MATERIAL, sy-vline,
  WA_ICMMROBJIT-PLANT, sy-vline,
  WA_ICMMROBJIT-STORAGELOCATION, sy-vline,
  WA_ICMMROBJIT-MATERIALGROUP, sy-vline,
  WA_ICMMROBJIT-NETPRICEAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICMMROBJIT 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_ICMMROBJIT 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_ICMMROBJIT INTO WA_ICMMROBJIT.


*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 MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ICMMROBJIT-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICMMROBJIT-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ICMMROBJIT-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICMMROBJIT-BASEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ICMMROBJIT-ORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICMMROBJIT-ORDERQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PRICINGREFERENCEMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ICMMROBJIT-PRICINGREFERENCEMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICMMROBJIT-PRICINGREFERENCEMATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORIGINREFERENCEDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICMMROBJIT-ORIGINREFERENCEDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICMMROBJIT-ORIGINREFERENCEDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFERENCEDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICMMROBJIT-REFERENCEDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICMMROBJIT-REFERENCEDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field LASTUPDATEDBASEUNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ICMMROBJIT-LASTUPDATEDBASEUNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICMMROBJIT-LASTUPDATEDBASEUNITOFMEASURE.
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_ICMMROBJIT_STR, 
MANDT TYPE STRING,
COMMODITYRISKOBJECTITEMNODE TYPE STRING,
COMMODITYRISKOBJECTPARENTNODE TYPE STRING,
CMMDTYRSKOBJITEMSTATUS TYPE STRING,
CMMDTYRSKOBJITEMREVALSTATUS TYPE STRING,
PRICINGDOCUMENTITEM TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
MATERIALGROUP TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
QUANTITYINBASEUNIT TYPE STRING,
BASEUNIT TYPE STRING,
QUANTITY TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,
PRICINGREFERENCEMATERIAL TYPE STRING,
BUSINESSPARTNER TYPE STRING,
INDUSTRY TYPE STRING,
NAME TYPE STRING,
MATERIALEXTERNALGROUP TYPE STRING,
PAYMENTDATE TYPE STRING,
QUANTITYSIGN TYPE STRING,
ORIGINREFERENCEDOCUMENT TYPE STRING,
ORIGINREFERENCEDOCBUSOBJTYPE TYPE STRING,
ORIGINREFERENCEDOCUMENTITEM TYPE STRING,
REFERENCEDOCUMENT TYPE STRING,
REFERENCEDOCBUSOBJTYPE TYPE STRING,
REFERENCEDOCUMENTITEM TYPE STRING,
LASTUPDATEDCMMDTYQTYINBASEUOM TYPE STRING,
LASTUPDATEDBASEUNITOFMEASURE TYPE STRING,
LASTUPDATEDQUANTITYSIGN TYPE STRING,
CMMDTYINTRASTODOCUMENTITEM TYPE STRING,
STKTRANSFERORDERITEMISDELETED TYPE STRING,
STKTRANSFERORDITEMDELIVERYDATE TYPE STRING,
DELIVERYDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICMMROBJIT_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_ICMMROBJIT_STR-MANDT sy-vline 
WA_ICMMROBJIT_STR-COMMODITYRISKOBJECTITEMNODE sy-vline 
WA_ICMMROBJIT_STR-COMMODITYRISKOBJECTPARENTNODE sy-vline 
WA_ICMMROBJIT_STR-CMMDTYRSKOBJITEMSTATUS sy-vline 
WA_ICMMROBJIT_STR-CMMDTYRSKOBJITEMREVALSTATUS sy-vline 
WA_ICMMROBJIT_STR-PRICINGDOCUMENTITEM sy-vline 
WA_ICMMROBJIT_STR-MATERIAL sy-vline 
WA_ICMMROBJIT_STR-PLANT sy-vline 
WA_ICMMROBJIT_STR-STORAGELOCATION sy-vline 
WA_ICMMROBJIT_STR-MATERIALGROUP sy-vline 
WA_ICMMROBJIT_STR-NETPRICEAMOUNT sy-vline 
WA_ICMMROBJIT_STR-DOCUMENTCURRENCY sy-vline 
WA_ICMMROBJIT_STR-QUANTITYINBASEUNIT sy-vline 
WA_ICMMROBJIT_STR-BASEUNIT sy-vline 
WA_ICMMROBJIT_STR-QUANTITY sy-vline 
WA_ICMMROBJIT_STR-ORDERQUANTITYUNIT sy-vline 
WA_ICMMROBJIT_STR-PRICINGREFERENCEMATERIAL sy-vline 
WA_ICMMROBJIT_STR-BUSINESSPARTNER sy-vline 
WA_ICMMROBJIT_STR-INDUSTRY sy-vline 
WA_ICMMROBJIT_STR-NAME sy-vline 
WA_ICMMROBJIT_STR-MATERIALEXTERNALGROUP sy-vline 
WA_ICMMROBJIT_STR-PAYMENTDATE sy-vline 
WA_ICMMROBJIT_STR-QUANTITYSIGN sy-vline 
WA_ICMMROBJIT_STR-ORIGINREFERENCEDOCUMENT sy-vline 
WA_ICMMROBJIT_STR-ORIGINREFERENCEDOCBUSOBJTYPE sy-vline 
WA_ICMMROBJIT_STR-ORIGINREFERENCEDOCUMENTITEM sy-vline 
WA_ICMMROBJIT_STR-REFERENCEDOCUMENT sy-vline 
WA_ICMMROBJIT_STR-REFERENCEDOCBUSOBJTYPE sy-vline 
WA_ICMMROBJIT_STR-REFERENCEDOCUMENTITEM sy-vline 
WA_ICMMROBJIT_STR-LASTUPDATEDCMMDTYQTYINBASEUOM sy-vline 
WA_ICMMROBJIT_STR-LASTUPDATEDBASEUNITOFMEASURE sy-vline 
WA_ICMMROBJIT_STR-LASTUPDATEDQUANTITYSIGN sy-vline 
WA_ICMMROBJIT_STR-CMMDTYINTRASTODOCUMENTITEM sy-vline 
WA_ICMMROBJIT_STR-STKTRANSFERORDERITEMISDELETED sy-vline 
WA_ICMMROBJIT_STR-STKTRANSFERORDITEMDELIVERYDATE sy-vline 
WA_ICMMROBJIT_STR-DELIVERYDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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