ABAP Select data from SAP table REXCC_HUOC_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REXCC_HUOC_DATA
*  INTO TABLE @DATA(IT_REXCC_HUOC_DATA2).
*--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_REXCC_HUOC_DATA INDEX 1 INTO DATA(WA_REXCC_HUOC_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REXCC_HUOC_DATA>-CHANGEIND = 1.
<REXCC_HUOC_DATA>-CONDDEFAULTSONLY = 1.
<REXCC_HUOC_DATA>-CONDTYPE = 1.
<REXCC_HUOC_DATA>-OBJNRCALC = 1.
<REXCC_HUOC_DATA>-OBJTYPECALC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REXCC_HUOC_DATA-OBJIDCALC, sy-vline,
  WA_REXCC_HUOC_DATA-OBJNRDIST, sy-vline,
  WA_REXCC_HUOC_DATA-OBJTYPEDIST, sy-vline,
  WA_REXCC_HUOC_DATA-OBJIDDIST, sy-vline,
  WA_REXCC_HUOC_DATA-CONDVALIDFROM, sy-vline,
  WA_REXCC_HUOC_DATA-CONDVALIDTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REXCC_HUOC_DATA 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_REXCC_HUOC_DATA 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_REXCC_HUOC_DATA INTO WA_REXCC_HUOC_DATA.


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

*Conversion exit REDAT, internal->external for field CONDVALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REXCC_HUOC_DATA-CONDVALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCC_HUOC_DATA-CONDVALIDTO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ABPSN, internal->external for field POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_REXCC_HUOC_DATA-POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCC_HUOC_DATA-POSID.
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_REXCC_HUOC_DATA_STR, 
CHANGEIND TYPE STRING,
CONDDEFAULTSONLY TYPE STRING,
CONDTYPE TYPE STRING,
OBJNRCALC TYPE STRING,
OBJTYPECALC TYPE STRING,
OBJIDCALC TYPE STRING,
OBJNRDIST TYPE STRING,
OBJTYPEDIST TYPE STRING,
OBJIDDIST TYPE STRING,
CONDVALIDFROM TYPE STRING,
CONDVALIDTO TYPE STRING,
CONDCURR TYPE STRING,
CONDCURR_ISO TYPE STRING,
DUEDATEUP TYPE STRING,
TERMNOPY TYPE STRING,
TERMNORH TYPE STRING,
TERMNOAJ TYPE STRING,
TERMNOOA TYPE STRING,
TERMNOSR TYPE STRING,
TERMNOMR TYPE STRING,
UNITPRICE TYPE STRING,
CALCRULE TYPE STRING,
CALCRULEPARA1 TYPE STRING,
CALCRULEPARA2 TYPE STRING,
DISTRULE TYPE STRING,
DISTRULEPARA1 TYPE STRING,
DISTRULEPARA2 TYPE STRING,
CONDPURPOSEEXT TYPE STRING,
NEXTADJMDATE TYPE STRING,
CHGREASON TYPE STRING,
UNIQUECOND TYPE STRING,
INFOCOND TYPE STRING,
CFPOSTINGFROM TYPE STRING,
TERMNOWT TYPE STRING,
TERMNOPYSCS TYPE STRING,
TERMNOPYSCSACT TYPE STRING,
EXDUEDATE TYPE STRING,
INTRENO TYPE STRING,
CONDGUID TYPE STRING,
OBJNR TYPE STRING,
ITEMTXT TYPE STRING,
HEADERTXT TYPE STRING,
GSBER TYPE STRING,
PRCTR TYPE STRING,
PYMTMETH TYPE STRING,
PYMTTERM TYPE STRING,
TAXTYPE TYPE STRING,
TAXGROUP TYPE STRING,
PARTNER TYPE STRING,
CTRULE TYPE STRING,
COOBJECT TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
POSID TYPE STRING,
ACCDETKEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REXCC_HUOC_DATA_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_REXCC_HUOC_DATA_STR-CHANGEIND sy-vline 
WA_REXCC_HUOC_DATA_STR-CONDDEFAULTSONLY sy-vline 
WA_REXCC_HUOC_DATA_STR-CONDTYPE sy-vline 
WA_REXCC_HUOC_DATA_STR-OBJNRCALC sy-vline 
WA_REXCC_HUOC_DATA_STR-OBJTYPECALC sy-vline 
WA_REXCC_HUOC_DATA_STR-OBJIDCALC sy-vline 
WA_REXCC_HUOC_DATA_STR-OBJNRDIST sy-vline 
WA_REXCC_HUOC_DATA_STR-OBJTYPEDIST sy-vline 
WA_REXCC_HUOC_DATA_STR-OBJIDDIST sy-vline 
WA_REXCC_HUOC_DATA_STR-CONDVALIDFROM sy-vline 
WA_REXCC_HUOC_DATA_STR-CONDVALIDTO sy-vline 
WA_REXCC_HUOC_DATA_STR-CONDCURR sy-vline 
WA_REXCC_HUOC_DATA_STR-CONDCURR_ISO sy-vline 
WA_REXCC_HUOC_DATA_STR-DUEDATEUP sy-vline 
WA_REXCC_HUOC_DATA_STR-TERMNOPY sy-vline 
WA_REXCC_HUOC_DATA_STR-TERMNORH sy-vline 
WA_REXCC_HUOC_DATA_STR-TERMNOAJ sy-vline 
WA_REXCC_HUOC_DATA_STR-TERMNOOA sy-vline 
WA_REXCC_HUOC_DATA_STR-TERMNOSR sy-vline 
WA_REXCC_HUOC_DATA_STR-TERMNOMR sy-vline 
WA_REXCC_HUOC_DATA_STR-UNITPRICE sy-vline 
WA_REXCC_HUOC_DATA_STR-CALCRULE sy-vline 
WA_REXCC_HUOC_DATA_STR-CALCRULEPARA1 sy-vline 
WA_REXCC_HUOC_DATA_STR-CALCRULEPARA2 sy-vline 
WA_REXCC_HUOC_DATA_STR-DISTRULE sy-vline 
WA_REXCC_HUOC_DATA_STR-DISTRULEPARA1 sy-vline 
WA_REXCC_HUOC_DATA_STR-DISTRULEPARA2 sy-vline 
WA_REXCC_HUOC_DATA_STR-CONDPURPOSEEXT sy-vline 
WA_REXCC_HUOC_DATA_STR-NEXTADJMDATE sy-vline 
WA_REXCC_HUOC_DATA_STR-CHGREASON sy-vline 
WA_REXCC_HUOC_DATA_STR-UNIQUECOND sy-vline 
WA_REXCC_HUOC_DATA_STR-INFOCOND sy-vline 
WA_REXCC_HUOC_DATA_STR-CFPOSTINGFROM sy-vline 
WA_REXCC_HUOC_DATA_STR-TERMNOWT sy-vline 
WA_REXCC_HUOC_DATA_STR-TERMNOPYSCS sy-vline 
WA_REXCC_HUOC_DATA_STR-TERMNOPYSCSACT sy-vline 
WA_REXCC_HUOC_DATA_STR-EXDUEDATE sy-vline 
WA_REXCC_HUOC_DATA_STR-INTRENO sy-vline 
WA_REXCC_HUOC_DATA_STR-CONDGUID sy-vline 
WA_REXCC_HUOC_DATA_STR-OBJNR sy-vline 
WA_REXCC_HUOC_DATA_STR-ITEMTXT sy-vline 
WA_REXCC_HUOC_DATA_STR-HEADERTXT sy-vline 
WA_REXCC_HUOC_DATA_STR-GSBER sy-vline 
WA_REXCC_HUOC_DATA_STR-PRCTR sy-vline 
WA_REXCC_HUOC_DATA_STR-PYMTMETH sy-vline 
WA_REXCC_HUOC_DATA_STR-PYMTTERM sy-vline 
WA_REXCC_HUOC_DATA_STR-TAXTYPE sy-vline 
WA_REXCC_HUOC_DATA_STR-TAXGROUP sy-vline 
WA_REXCC_HUOC_DATA_STR-PARTNER sy-vline 
WA_REXCC_HUOC_DATA_STR-CTRULE sy-vline 
WA_REXCC_HUOC_DATA_STR-COOBJECT sy-vline 
WA_REXCC_HUOC_DATA_STR-KOSTL sy-vline 
WA_REXCC_HUOC_DATA_STR-AUFNR sy-vline 
WA_REXCC_HUOC_DATA_STR-POSID sy-vline 
WA_REXCC_HUOC_DATA_STR-ACCDETKEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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