ABAP Select data from SAP table IFLREMCTNITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFLREMCTNITM
*  INTO TABLE @DATA(IT_IFLREMCTNITM2).
*--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_IFLREMCTNITM INDEX 1 INTO DATA(WA_IFLREMCTNITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFLREMCTNITM>-MANDT = 1.
<IFLREMCTNITM>-FLDLOGSCONTAINERID = 1.
<IFLREMCTNITM>-DISPATCHEDSTARTDATE = 1.
<IFLREMCTNITM>-FLDLOGSDISPATCHPLANT = 1.
<IFLREMCTNITM>-NUMBEROFCTNTRIPSPERDAY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFLREMCTNITM-FLDLOGSREFERENCEDOCUMENTNUMBER, sy-vline,
  WA_IFLREMCTNITM-MATERIAL, sy-vline,
  WA_IFLREMCTNITM-RETBLQTYINORDERUNIT, sy-vline,
  WA_IFLREMCTNITM-RETBLQTYORDERUNIT, sy-vline,
  WA_IFLREMCTNITM-RETBLQTYINBASEUNIT, sy-vline,
  WA_IFLREMCTNITM-RETBLQTYBASEUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFLREMCTNITM 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_IFLREMCTNITM 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_IFLREMCTNITM INTO WA_IFLREMCTNITM.


*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_IFLREMCTNITM-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFLREMCTNITM-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit GERNR, internal->external for field SERIALNUMBER
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_IFLREMCTNITM-SERIALNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFLREMCTNITM-SERIALNUMBER.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field FLDLOGSRETSERVICEPURORD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IFLREMCTNITM-FLDLOGSRETSERVICEPURORD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFLREMCTNITM-FLDLOGSRETSERVICEPURORD.
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_IFLREMCTNITM_STR, 
MANDT TYPE STRING,
FLDLOGSCONTAINERID TYPE STRING,
DISPATCHEDSTARTDATE TYPE STRING,
FLDLOGSDISPATCHPLANT TYPE STRING,
NUMBEROFCTNTRIPSPERDAY TYPE STRING,
FLDLOGSREFERENCEDOCUMENTNUMBER TYPE STRING,
MATERIAL TYPE STRING,
RETBLQTYINORDERUNIT TYPE STRING,
RETBLQTYORDERUNIT TYPE STRING,
RETBLQTYINBASEUNIT TYPE STRING,
RETBLQTYBASEUNIT TYPE STRING,
REMOTESTORAGELOCATION TYPE STRING,
SUPPLYINGSTORAGELOCATION TYPE STRING,
FLDLOGSSUPPLYPROCESS TYPE STRING,
FLDLOGSRETURNSTATUS TYPE STRING,
FLDLOGSCONTAINERITEMSTATUS TYPE STRING,
FLDLOGSCTNQUICKACTION TYPE STRING,
FLDLOGSREFERENCEDOCCATEGORY TYPE STRING,
FLDLOGSRECOMMENDEDACTION TYPE STRING,
FLDLOGSRETURNCOMMENT TYPE STRING,
REFERENCEPURCHASINGDOCUMENT TYPE STRING,
BATCH TYPE STRING,
VALUATIONTYPE TYPE STRING,
SERIALNUMBER TYPE STRING,
MATERIALDOCUMENT TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
STOCKTRANSPORTORDER TYPE STRING,
FLDLOGSSTORAGETYPE TYPE STRING,
FIELDLOGISTICSPROCESSTYPE TYPE STRING,
FIELDLOGISTICSRECEIVINGPLANT TYPE STRING,
RETURNITEMPROCESSINGTYPE TYPE STRING,
FLDLOGSRETSERVICEPURORD TYPE STRING,
FLDLOGSCTNITMCHANGEDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFLREMCTNITM_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_IFLREMCTNITM_STR-MANDT sy-vline 
WA_IFLREMCTNITM_STR-FLDLOGSCONTAINERID sy-vline 
WA_IFLREMCTNITM_STR-DISPATCHEDSTARTDATE sy-vline 
WA_IFLREMCTNITM_STR-FLDLOGSDISPATCHPLANT sy-vline 
WA_IFLREMCTNITM_STR-NUMBEROFCTNTRIPSPERDAY sy-vline 
WA_IFLREMCTNITM_STR-FLDLOGSREFERENCEDOCUMENTNUMBER sy-vline 
WA_IFLREMCTNITM_STR-MATERIAL sy-vline 
WA_IFLREMCTNITM_STR-RETBLQTYINORDERUNIT sy-vline 
WA_IFLREMCTNITM_STR-RETBLQTYORDERUNIT sy-vline 
WA_IFLREMCTNITM_STR-RETBLQTYINBASEUNIT sy-vline 
WA_IFLREMCTNITM_STR-RETBLQTYBASEUNIT sy-vline 
WA_IFLREMCTNITM_STR-REMOTESTORAGELOCATION sy-vline 
WA_IFLREMCTNITM_STR-SUPPLYINGSTORAGELOCATION sy-vline 
WA_IFLREMCTNITM_STR-FLDLOGSSUPPLYPROCESS sy-vline 
WA_IFLREMCTNITM_STR-FLDLOGSRETURNSTATUS sy-vline 
WA_IFLREMCTNITM_STR-FLDLOGSCONTAINERITEMSTATUS sy-vline 
WA_IFLREMCTNITM_STR-FLDLOGSCTNQUICKACTION sy-vline 
WA_IFLREMCTNITM_STR-FLDLOGSREFERENCEDOCCATEGORY sy-vline 
WA_IFLREMCTNITM_STR-FLDLOGSRECOMMENDEDACTION sy-vline 
WA_IFLREMCTNITM_STR-FLDLOGSRETURNCOMMENT sy-vline 
WA_IFLREMCTNITM_STR-REFERENCEPURCHASINGDOCUMENT sy-vline 
WA_IFLREMCTNITM_STR-BATCH sy-vline 
WA_IFLREMCTNITM_STR-VALUATIONTYPE sy-vline 
WA_IFLREMCTNITM_STR-SERIALNUMBER sy-vline 
WA_IFLREMCTNITM_STR-MATERIALDOCUMENT sy-vline 
WA_IFLREMCTNITM_STR-PURCHASINGDOCUMENT sy-vline 
WA_IFLREMCTNITM_STR-STOCKTRANSPORTORDER sy-vline 
WA_IFLREMCTNITM_STR-FLDLOGSSTORAGETYPE sy-vline 
WA_IFLREMCTNITM_STR-FIELDLOGISTICSPROCESSTYPE sy-vline 
WA_IFLREMCTNITM_STR-FIELDLOGISTICSRECEIVINGPLANT sy-vline 
WA_IFLREMCTNITM_STR-RETURNITEMPROCESSINGTYPE sy-vline 
WA_IFLREMCTNITM_STR-FLDLOGSRETSERVICEPURORD sy-vline 
WA_IFLREMCTNITM_STR-FLDLOGSCTNITMCHANGEDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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