ABAP Select data from SAP table IMRS_D_DOC_HDR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMRS_D_DOC_HDR
*  INTO TABLE @DATA(IT_IMRS_D_DOC_HDR2).
*--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_IMRS_D_DOC_HDR INDEX 1 INTO DATA(WA_IMRS_D_DOC_HDR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMRS_D_DOC_HDR>-MANDT = 1.
<IMRS_D_DOC_HDR>-RESERVATION = 1.
<IMRS_D_DOC_HDR>-GOODSMOVEMENTTYPE = 1.
<IMRS_D_DOC_HDR>-RESVNVERIFICATIONCOMPANYCODE = 1.
<IMRS_D_DOC_HDR>-ORDERID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMRS_D_DOC_HDR-COSTCENTER, sy-vline,
  WA_IMRS_D_DOC_HDR-PROFITCENTER, sy-vline,
  WA_IMRS_D_DOC_HDR-CONTROLLINGAREA, sy-vline,
  WA_IMRS_D_DOC_HDR-GOODSRECIPIENTNAME, sy-vline,
  WA_IMRS_D_DOC_HDR-RESERVATIONDATE, sy-vline,
  WA_IMRS_D_DOC_HDR-ISCHECKEDAGAINSTFACTORYCAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMRS_D_DOC_HDR 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_IMRS_D_DOC_HDR 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_IMRS_D_DOC_HDR INTO WA_IMRS_D_DOC_HDR.


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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field PROFITABILITYSEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IMRS_D_DOC_HDR-PROFITABILITYSEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMRS_D_DOC_HDR-PROFITABILITYSEGMENT.
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_IMRS_D_DOC_HDR_STR, 
MANDT TYPE STRING,
RESERVATION TYPE STRING,
GOODSMOVEMENTTYPE TYPE STRING,
RESVNVERIFICATIONCOMPANYCODE TYPE STRING,
ORDERID TYPE STRING,
COSTCENTER TYPE STRING,
PROFITCENTER TYPE STRING,
CONTROLLINGAREA TYPE STRING,
GOODSRECIPIENTNAME TYPE STRING,
RESERVATIONDATE TYPE STRING,
ISCHECKEDAGAINSTFACTORYCAL TYPE STRING,
CUSTOMER TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
WBSELEMENT TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
SALESORDERSCHEDULELINE TYPE STRING,
ASSETNUMBER TYPE STRING,
ASSETSUBNUMBER TYPE STRING,
NETWORKNUMBERFORACCTASSGMT TYPE STRING,
ISSUINGORRECEIVINGPLANT TYPE STRING,
ISSUINGORRECEIVINGSTORAGELOC TYPE STRING,
PROFITABILITYSEGMENT TYPE STRING,
PLANT TYPE STRING,
RECORDTYPE TYPE STRING,
REQUIREMENTTYPE TYPE STRING,
RESERVATIONITEMCREATIONCODE TYPE STRING,
USERID TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
DUMMY_RKPF_INCL_EEW_PS TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTFIELDCHANGES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMRS_D_DOC_HDR_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_IMRS_D_DOC_HDR_STR-MANDT sy-vline 
WA_IMRS_D_DOC_HDR_STR-RESERVATION sy-vline 
WA_IMRS_D_DOC_HDR_STR-GOODSMOVEMENTTYPE sy-vline 
WA_IMRS_D_DOC_HDR_STR-RESVNVERIFICATIONCOMPANYCODE sy-vline 
WA_IMRS_D_DOC_HDR_STR-ORDERID sy-vline 
WA_IMRS_D_DOC_HDR_STR-COSTCENTER sy-vline 
WA_IMRS_D_DOC_HDR_STR-PROFITCENTER sy-vline 
WA_IMRS_D_DOC_HDR_STR-CONTROLLINGAREA sy-vline 
WA_IMRS_D_DOC_HDR_STR-GOODSRECIPIENTNAME sy-vline 
WA_IMRS_D_DOC_HDR_STR-RESERVATIONDATE sy-vline 
WA_IMRS_D_DOC_HDR_STR-ISCHECKEDAGAINSTFACTORYCAL sy-vline 
WA_IMRS_D_DOC_HDR_STR-CUSTOMER sy-vline 
WA_IMRS_D_DOC_HDR_STR-WBSELEMENTINTERNALID sy-vline 
WA_IMRS_D_DOC_HDR_STR-WBSELEMENT sy-vline 
WA_IMRS_D_DOC_HDR_STR-SALESORDER sy-vline 
WA_IMRS_D_DOC_HDR_STR-SALESORDERITEM sy-vline 
WA_IMRS_D_DOC_HDR_STR-SALESORDERSCHEDULELINE sy-vline 
WA_IMRS_D_DOC_HDR_STR-ASSETNUMBER sy-vline 
WA_IMRS_D_DOC_HDR_STR-ASSETSUBNUMBER sy-vline 
WA_IMRS_D_DOC_HDR_STR-NETWORKNUMBERFORACCTASSGMT sy-vline 
WA_IMRS_D_DOC_HDR_STR-ISSUINGORRECEIVINGPLANT sy-vline 
WA_IMRS_D_DOC_HDR_STR-ISSUINGORRECEIVINGSTORAGELOC sy-vline 
WA_IMRS_D_DOC_HDR_STR-PROFITABILITYSEGMENT sy-vline 
WA_IMRS_D_DOC_HDR_STR-PLANT sy-vline 
WA_IMRS_D_DOC_HDR_STR-RECORDTYPE sy-vline 
WA_IMRS_D_DOC_HDR_STR-REQUIREMENTTYPE sy-vline 
WA_IMRS_D_DOC_HDR_STR-RESERVATIONITEMCREATIONCODE sy-vline 
WA_IMRS_D_DOC_HDR_STR-USERID sy-vline 
WA_IMRS_D_DOC_HDR_STR-CREATIONDATETIME sy-vline 
WA_IMRS_D_DOC_HDR_STR-LASTCHANGEDBYUSER sy-vline 
WA_IMRS_D_DOC_HDR_STR-LASTCHANGEDATETIME sy-vline 
WA_IMRS_D_DOC_HDR_STR-DUMMY_RKPF_INCL_EEW_PS sy-vline 
WA_IMRS_D_DOC_HDR_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_IMRS_D_DOC_HDR_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_IMRS_D_DOC_HDR_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_IMRS_D_DOC_HDR_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_IMRS_D_DOC_HDR_STR-HASACTIVEENTITY sy-vline 
WA_IMRS_D_DOC_HDR_STR-DRAFTFIELDCHANGES sy-vline      INTO ld_text SEPARATED BY SPACE.

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