ABAP Select data from SAP table RPFIFR_OVERDUE_INV_REPORTED into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPFIFR_OVERDUE_INV_REPORTED
*  INTO TABLE @DATA(IT_RPFIFR_OVERDUE_INV_REPORTED2).
*--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_RPFIFR_OVERDUE_INV_REPORTED INDEX 1 INTO DATA(WA_RPFIFR_OVERDUE_INV_REPORTED2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPFIFR_OVERDUE_INV_REPORTED>-BUKRS = 1.
<RPFIFR_OVERDUE_INV_REPORTED>-GJAHR = 1.
<RPFIFR_OVERDUE_INV_REPORTED>-BELNR = 1.
<RPFIFR_OVERDUE_INV_REPORTED>-BLART = 1.
<RPFIFR_OVERDUE_INV_REPORTED>-BUZEI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPFIFR_OVERDUE_INV_REPORTED-KOART, sy-vline,
  WA_RPFIFR_OVERDUE_INV_REPORTED-KONTO, sy-vline,
  WA_RPFIFR_OVERDUE_INV_REPORTED-HKONT, sy-vline,
  WA_RPFIFR_OVERDUE_INV_REPORTED-FAEDT, sy-vline,
  WA_RPFIFR_OVERDUE_INV_REPORTED-ZFBDT, sy-vline,
  WA_RPFIFR_OVERDUE_INV_REPORTED-VERZN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPFIFR_OVERDUE_INV_REPORTED 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_RPFIFR_OVERDUE_INV_REPORTED 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_RPFIFR_OVERDUE_INV_REPORTED INTO WA_RPFIFR_OVERDUE_INV_REPORTED.


*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 GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RPFIFR_OVERDUE_INV_REPORTED-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPFIFR_OVERDUE_INV_REPORTED-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit AC152, internal->external for field WRSHB
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RPFIFR_OVERDUE_INV_REPORTED-WRSHB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPFIFR_OVERDUE_INV_REPORTED-WRSHB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field RDMSHB
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RPFIFR_OVERDUE_INV_REPORTED-RDMSHB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPFIFR_OVERDUE_INV_REPORTED-RDMSHB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field GPLAMT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RPFIFR_OVERDUE_INV_REPORTED-GPLAMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPFIFR_OVERDUE_INV_REPORTED-GPLAMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field GRAMT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_RPFIFR_OVERDUE_INV_REPORTED-GRAMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPFIFR_OVERDUE_INV_REPORTED-GRAMT.
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_RPFIFR_OVERDUE_INV_REPORTED_STR, 
BUKRS TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
BLART TYPE STRING,
BUZEI TYPE STRING,
KOART TYPE STRING,
KONTO TYPE STRING,
HKONT TYPE STRING,
FAEDT TYPE STRING,
ZFBDT TYPE STRING,
VERZN TYPE STRING,
DELAYSEG TYPE STRING,
ZLSPR TYPE STRING,
UMSKZ TYPE STRING,
WRSHB TYPE STRING,
WAERS TYPE STRING,
RDMSHB TYPE STRING,
GPLAMT TYPE STRING,
GRAMT TYPE STRING,
HWAER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPFIFR_OVERDUE_INV_REPORTED_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_RPFIFR_OVERDUE_INV_REPORTED_STR-BUKRS sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-GJAHR sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-BELNR sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-BLART sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-BUZEI sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-KOART sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-KONTO sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-HKONT sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-FAEDT sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-ZFBDT sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-VERZN sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-DELAYSEG sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-ZLSPR sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-UMSKZ sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-WRSHB sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-WAERS sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-RDMSHB sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-GPLAMT sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-GRAMT sy-vline 
WA_RPFIFR_OVERDUE_INV_REPORTED_STR-HWAER sy-vline      INTO ld_text SEPARATED BY SPACE.

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