ABAP Select data from SAP table /XFT/INV_S_MON_PART into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /XFT/INV_S_MON_PART 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 /XFT/INV_S_MON_PART. 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 /XFT/INV_S_MON_PART 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_/XFT/INV_S_MON_PART TYPE STANDARD TABLE OF /XFT/INV_S_MON_PART,
      WA_/XFT/INV_S_MON_PART TYPE /XFT/INV_S_MON_PART,
      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: </XFT/INV_S_MON_PART> TYPE /XFT/INV_S_MON_PART.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /XFT/INV_S_MON_PART
  INTO TABLE IT_/XFT/INV_S_MON_PART.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /XFT/INV_S_MON_PART
*  INTO TABLE @DATA(IT_/XFT/INV_S_MON_PART2).
*--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_/XFT/INV_S_MON_PART INDEX 1 INTO DATA(WA_/XFT/INV_S_MON_PART2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/XFT/INV_S_MON_PART ASSIGNING </XFT/INV_S_MON_PART>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</XFT/INV_S_MON_PART>-MANDT = 1.
</XFT/INV_S_MON_PART>-PROCESS_ID = 1.
</XFT/INV_S_MON_PART>-PROCESS_ID_CHILD = 1.
</XFT/INV_S_MON_PART>-RATING = 1.
</XFT/INV_S_MON_PART>-FOLLOW_ON_DOC = 1.

ENDLOOP.

LOOP AT IT_/XFT/INV_S_MON_PART INTO WA_/XFT/INV_S_MON_PART.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/XFT/INV_S_MON_PART-WORKFLOW, sy-vline,
  WA_/XFT/INV_S_MON_PART-NUMBERWF, sy-vline,
  WA_/XFT/INV_S_MON_PART-MESS_EX, sy-vline,
  WA_/XFT/INV_S_MON_PART-STATUS, sy-vline,
  WA_/XFT/INV_S_MON_PART-SYST_STATUS, sy-vline,
  WA_/XFT/INV_S_MON_PART-CREATE_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/XFT/INV_S_MON_PART 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_/XFT/INV_S_MON_PART 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_/XFT/INV_S_MON_PART INTO WA_/XFT/INV_S_MON_PART.


*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 DIFF_INV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/XFT/INV_S_MON_PART-DIFF_INV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/XFT/INV_S_MON_PART-DIFF_INV.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field MM_FI_AUGBL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/XFT/INV_S_MON_PART-MM_FI_AUGBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/XFT/INV_S_MON_PART-MM_FI_AUGBL.
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_/XFT/INV_S_MON_PART_STR, 
MANDT TYPE STRING,
PROCESS_ID TYPE STRING,
PROCESS_ID_CHILD TYPE STRING,
RATING TYPE STRING,
FOLLOW_ON_DOC TYPE STRING,
WORKFLOW TYPE STRING,
NUMBERWF TYPE STRING,
MESS_EX TYPE STRING,
STATUS TYPE STRING,
SYST_STATUS TYPE STRING,
CREATE_DATE TYPE STRING,
CREATE_TIME TYPE STRING,
CHANGE_DATE TYPE STRING,
CHANGE_TIME TYPE STRING,
ITER_NUM_VAL TYPE STRING,
ITERATION_NUM TYPE STRING,
PROCESS_TYPE_DIS TYPE STRING,
PROCESS_TYPE TYPE STRING,
RECORD_ID TYPE STRING,
TIMESTAMP TYPE STRING,
INV_DOC_NO TYPE STRING,
COMP_CODE TYPE STRING,
DOC_DATE TYPE STRING,
PSTNG_DATE TYPE STRING,
GROSS_AMOUNT TYPE STRING,
REF_DOC_NO TYPE STRING,
PERSON_RESP TYPE STRING,
ORG_UNIT TYPE STRING,
MIRO TYPE STRING,
DIFF_INV TYPE STRING,
USER_STATUS TYPE STRING,
PO_NUMBER TYPE STRING,
DURATION TYPE STRING,
VENDOR TYPE STRING,
%%1 TYPE STRING,
MM_FI_DOC_DATE TYPE STRING,
MM_FI_REF_DOC_NO TYPE STRING,
MM_FI_CURRENCY TYPE STRING,
MM_FI_BLINE_DATE TYPE STRING,
MM_FI_DEL_COSTS TYPE STRING,
MM_FI_DEL_COSTS_TAXC TYPE STRING,
MM_FI_DIFF_INV TYPE STRING,
MM_FI_GROSS_AMOUNT TYPE STRING,
MM_FI_AUGBL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/XFT/INV_S_MON_PART_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_/XFT/INV_S_MON_PART_STR-MANDT sy-vline 
WA_/XFT/INV_S_MON_PART_STR-PROCESS_ID sy-vline 
WA_/XFT/INV_S_MON_PART_STR-PROCESS_ID_CHILD sy-vline 
WA_/XFT/INV_S_MON_PART_STR-RATING sy-vline 
WA_/XFT/INV_S_MON_PART_STR-FOLLOW_ON_DOC sy-vline 
WA_/XFT/INV_S_MON_PART_STR-WORKFLOW sy-vline 
WA_/XFT/INV_S_MON_PART_STR-NUMBERWF sy-vline 
WA_/XFT/INV_S_MON_PART_STR-MESS_EX sy-vline 
WA_/XFT/INV_S_MON_PART_STR-STATUS sy-vline 
WA_/XFT/INV_S_MON_PART_STR-SYST_STATUS sy-vline 
WA_/XFT/INV_S_MON_PART_STR-CREATE_DATE sy-vline 
WA_/XFT/INV_S_MON_PART_STR-CREATE_TIME sy-vline 
WA_/XFT/INV_S_MON_PART_STR-CHANGE_DATE sy-vline 
WA_/XFT/INV_S_MON_PART_STR-CHANGE_TIME sy-vline 
WA_/XFT/INV_S_MON_PART_STR-ITER_NUM_VAL sy-vline 
WA_/XFT/INV_S_MON_PART_STR-ITERATION_NUM sy-vline 
WA_/XFT/INV_S_MON_PART_STR-PROCESS_TYPE_DIS sy-vline 
WA_/XFT/INV_S_MON_PART_STR-PROCESS_TYPE sy-vline 
WA_/XFT/INV_S_MON_PART_STR-RECORD_ID sy-vline 
WA_/XFT/INV_S_MON_PART_STR-TIMESTAMP sy-vline 
WA_/XFT/INV_S_MON_PART_STR-INV_DOC_NO sy-vline 
WA_/XFT/INV_S_MON_PART_STR-COMP_CODE sy-vline 
WA_/XFT/INV_S_MON_PART_STR-DOC_DATE sy-vline 
WA_/XFT/INV_S_MON_PART_STR-PSTNG_DATE sy-vline 
WA_/XFT/INV_S_MON_PART_STR-GROSS_AMOUNT sy-vline 
WA_/XFT/INV_S_MON_PART_STR-REF_DOC_NO sy-vline 
WA_/XFT/INV_S_MON_PART_STR-PERSON_RESP sy-vline 
WA_/XFT/INV_S_MON_PART_STR-ORG_UNIT sy-vline 
WA_/XFT/INV_S_MON_PART_STR-MIRO sy-vline 
WA_/XFT/INV_S_MON_PART_STR-DIFF_INV sy-vline 
WA_/XFT/INV_S_MON_PART_STR-USER_STATUS sy-vline 
WA_/XFT/INV_S_MON_PART_STR-PO_NUMBER sy-vline 
WA_/XFT/INV_S_MON_PART_STR-DURATION sy-vline 
WA_/XFT/INV_S_MON_PART_STR-VENDOR sy-vline 
WA_/XFT/INV_S_MON_PART_STR-%%1 sy-vline 
WA_/XFT/INV_S_MON_PART_STR-MM_FI_DOC_DATE sy-vline 
WA_/XFT/INV_S_MON_PART_STR-MM_FI_REF_DOC_NO sy-vline 
WA_/XFT/INV_S_MON_PART_STR-MM_FI_CURRENCY sy-vline 
WA_/XFT/INV_S_MON_PART_STR-MM_FI_BLINE_DATE sy-vline 
WA_/XFT/INV_S_MON_PART_STR-MM_FI_DEL_COSTS sy-vline 
WA_/XFT/INV_S_MON_PART_STR-MM_FI_DEL_COSTS_TAXC sy-vline 
WA_/XFT/INV_S_MON_PART_STR-MM_FI_DIFF_INV sy-vline 
WA_/XFT/INV_S_MON_PART_STR-MM_FI_GROSS_AMOUNT sy-vline 
WA_/XFT/INV_S_MON_PART_STR-MM_FI_AUGBL sy-vline      INTO ld_text SEPARATED BY SPACE.

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