ABAP Select data from SAP table RESR_BC_RECEIVABLE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RESR_BC_RECEIVABLE
*  INTO TABLE @DATA(IT_RESR_BC_RECEIVABLE2).
*--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_RESR_BC_RECEIVABLE INDEX 1 INTO DATA(WA_RESR_BC_RECEIVABLE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RESR_BC_RECEIVABLE>-PARTNEROBJNR = 1.
<RESR_BC_RECEIVABLE>-CONDGUID = 1.
<RESR_BC_RECEIVABLE>-TERMNOPY = 1.
<RESR_BC_RECEIVABLE>-MANDT = 1.
<RESR_BC_RECEIVABLE>-CRSPLITGUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RESR_BC_RECEIVABLE-OBJGUID, sy-vline,
  WA_RESR_BC_RECEIVABLE-CDSPLITNO, sy-vline,
  WA_RESR_BC_RECEIVABLE-PROCESSGUID, sy-vline,
  WA_RESR_BC_RECEIVABLE-PARTNER, sy-vline,
  WA_RESR_BC_RECEIVABLE-EQUINUM, sy-vline,
  WA_RESR_BC_RECEIVABLE-CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RESR_BC_RECEIVABLE 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_RESR_BC_RECEIVABLE 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_RESR_BC_RECEIVABLE INTO WA_RESR_BC_RECEIVABLE.


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

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

*Conversion exit EXCRT, internal->external for field CTRATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_RESR_BC_RECEIVABLE-CTRATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESR_BC_RECEIVABLE-CTRATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field CTRATE_BADI
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_RESR_BC_RECEIVABLE-CTRATE_BADI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESR_BC_RECEIVABLE-CTRATE_BADI.
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_RESR_BC_RECEIVABLE_STR, 
PARTNEROBJNR TYPE STRING,
CONDGUID TYPE STRING,
TERMNOPY TYPE STRING,
MANDT TYPE STRING,
CRSPLITGUID TYPE STRING,
OBJGUID TYPE STRING,
CDSPLITNO TYPE STRING,
PROCESSGUID TYPE STRING,
PARTNER TYPE STRING,
EQUINUM TYPE STRING,
CURRENCY TYPE STRING,
TAXTYPE TYPE STRING,
TAXGROUP TYPE STRING,
TXJCD TYPE STRING,
TAXDATE TYPE STRING,
NETAMOUNT TYPE STRING,
TAXAMOUNT TYPE STRING,
GROSSAMOUNT TYPE STRING,
CTLCGROSSAMOUNT TYPE STRING,
CTLCNETAMOUNT TYPE STRING,
CTLCTAXAMOUNT TYPE STRING,
CTLCCURRKEY TYPE STRING,
CTRULE TYPE STRING,
CTRATE TYPE STRING,
CTDATEACT TYPE STRING,
CTLCPOST TYPE STRING,
CTRATE_BADI TYPE STRING,
SETISGROSSASDEF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RESR_BC_RECEIVABLE_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_RESR_BC_RECEIVABLE_STR-PARTNEROBJNR sy-vline 
WA_RESR_BC_RECEIVABLE_STR-CONDGUID sy-vline 
WA_RESR_BC_RECEIVABLE_STR-TERMNOPY sy-vline 
WA_RESR_BC_RECEIVABLE_STR-MANDT sy-vline 
WA_RESR_BC_RECEIVABLE_STR-CRSPLITGUID sy-vline 
WA_RESR_BC_RECEIVABLE_STR-OBJGUID sy-vline 
WA_RESR_BC_RECEIVABLE_STR-CDSPLITNO sy-vline 
WA_RESR_BC_RECEIVABLE_STR-PROCESSGUID sy-vline 
WA_RESR_BC_RECEIVABLE_STR-PARTNER sy-vline 
WA_RESR_BC_RECEIVABLE_STR-EQUINUM sy-vline 
WA_RESR_BC_RECEIVABLE_STR-CURRENCY sy-vline 
WA_RESR_BC_RECEIVABLE_STR-TAXTYPE sy-vline 
WA_RESR_BC_RECEIVABLE_STR-TAXGROUP sy-vline 
WA_RESR_BC_RECEIVABLE_STR-TXJCD sy-vline 
WA_RESR_BC_RECEIVABLE_STR-TAXDATE sy-vline 
WA_RESR_BC_RECEIVABLE_STR-NETAMOUNT sy-vline 
WA_RESR_BC_RECEIVABLE_STR-TAXAMOUNT sy-vline 
WA_RESR_BC_RECEIVABLE_STR-GROSSAMOUNT sy-vline 
WA_RESR_BC_RECEIVABLE_STR-CTLCGROSSAMOUNT sy-vline 
WA_RESR_BC_RECEIVABLE_STR-CTLCNETAMOUNT sy-vline 
WA_RESR_BC_RECEIVABLE_STR-CTLCTAXAMOUNT sy-vline 
WA_RESR_BC_RECEIVABLE_STR-CTLCCURRKEY sy-vline 
WA_RESR_BC_RECEIVABLE_STR-CTRULE sy-vline 
WA_RESR_BC_RECEIVABLE_STR-CTRATE sy-vline 
WA_RESR_BC_RECEIVABLE_STR-CTDATEACT sy-vline 
WA_RESR_BC_RECEIVABLE_STR-CTLCPOST sy-vline 
WA_RESR_BC_RECEIVABLE_STR-CTRATE_BADI sy-vline 
WA_RESR_BC_RECEIVABLE_STR-SETISGROSSASDEF sy-vline      INTO ld_text SEPARATED BY SPACE.

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