ABAP Select data from SAP table RCG_ESO_S_CCUNTPACK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCG_ESO_S_CCUNTPACK
*  INTO TABLE @DATA(IT_RCG_ESO_S_CCUNTPACK2).
*--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_RCG_ESO_S_CCUNTPACK INDEX 1 INTO DATA(WA_RCG_ESO_S_CCUNTPACK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCG_ESO_S_CCUNTPACK>-MANDT = 1.
<RCG_ESO_S_CCUNTPACK>-RECN = 1.
<RCG_ESO_S_CCUNTPACK>-ACTN = 1.
<RCG_ESO_S_CCUNTPACK>-VALFR = 1.
<RCG_ESO_S_CCUNTPACK>-VALTO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCG_ESO_S_CCUNTPACK-AENNR, sy-vline,
  WA_RCG_ESO_S_CCUNTPACK-DELFLG, sy-vline,
  WA_RCG_ESO_S_CCUNTPACK-PARKFLG, sy-vline,
  WA_RCG_ESO_S_CCUNTPACK-CRDAT, sy-vline,
  WA_RCG_ESO_S_CCUNTPACK-CRNAM, sy-vline,
  WA_RCG_ESO_S_CCUNTPACK-UPDDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCG_ESO_S_CCUNTPACK 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_RCG_ESO_S_CCUNTPACK 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_RCG_ESO_S_CCUNTPACK INTO WA_RCG_ESO_S_CCUNTPACK.


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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field ACTNROOT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCG_ESO_S_CCUNTPACK-ACTNROOT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCG_ESO_S_CCUNTPACK-ACTNROOT.
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_RCG_ESO_S_CCUNTPACK_STR, 
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLG TYPE STRING,
PARKFLG TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
SRSID TYPE STRING,
OWNID TYPE STRING,
RECNROOT TYPE STRING,
RECNMST TYPE STRING,
DPOT TYPE STRING,
INSTR_ENCL TYPE STRING,
PACOD_IN TYPE STRING,
PACOD_OUT TYPE STRING,
PACOD_SGL TYPE STRING,
MAX_QUANT_IN TYPE STRING,
U_MAX_QUANT_IN TYPE STRING,
FLG_MAX_QU_IN TYPE STRING,
MAX_QUANT_OUT TYPE STRING,
U_MAX_QUANT_OUT TYPE STRING,
FLG_MAX_QU_OUT TYPE STRING,
MAX_QUANT_SGL TYPE STRING,
U_MAX_QUANT_SGL TYPE STRING,
FLG_MAX_QU_SGL TYPE STRING,
MAX_GROSS_WEIGHT TYPE STRING,
U_MAX_GRS_WEIGHT TYPE STRING,
FLG_MAX_GRS_WGHT TYPE STRING,
IPALL TYPE STRING,
AGREE_AUTHORITIE TYPE STRING,
ACTNMST TYPE STRING,
OBJTYPE TYPE STRING,
LWDG TYPE STRING,
DGCL TYPE STRING,
ACTNROOT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCG_ESO_S_CCUNTPACK_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_RCG_ESO_S_CCUNTPACK_STR-MANDT sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-RECN sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-ACTN sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-VALFR sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-VALTO sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-AENNR sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-DELFLG sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-PARKFLG sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-CRDAT sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-CRNAM sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-UPDDAT sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-UPDNAM sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-SRSID sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-OWNID sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-RECNROOT sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-RECNMST sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-DPOT sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-INSTR_ENCL sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-PACOD_IN sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-PACOD_OUT sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-PACOD_SGL sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-MAX_QUANT_IN sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-U_MAX_QUANT_IN sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-FLG_MAX_QU_IN sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-MAX_QUANT_OUT sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-U_MAX_QUANT_OUT sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-FLG_MAX_QU_OUT sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-MAX_QUANT_SGL sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-U_MAX_QUANT_SGL sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-FLG_MAX_QU_SGL sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-MAX_GROSS_WEIGHT sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-U_MAX_GRS_WEIGHT sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-FLG_MAX_GRS_WGHT sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-IPALL sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-AGREE_AUTHORITIE sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-ACTNMST sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-OBJTYPE sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-LWDG sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-DGCL sy-vline 
WA_RCG_ESO_S_CCUNTPACK_STR-ACTNROOT sy-vline      INTO ld_text SEPARATED BY SPACE.

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