ABAP Select data from SAP table CAPPDOCWRHSDETS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CAPPDOCWRHSDETS
*  INTO TABLE @DATA(IT_CAPPDOCWRHSDETS2).
*--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_CAPPDOCWRHSDETS INDEX 1 INTO DATA(WA_CAPPDOCWRHSDETS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CAPPDOCWRHSDETS>-MANDT = 1.
<CAPPDOCWRHSDETS>-REFERENCEAPPLICATIONDOCUMENT = 1.
<CAPPDOCWRHSDETS>-REFERENCEAPPLICATIONITEM = 1.
<CAPPDOCWRHSDETS>-REFERENCEAPPLICATIONSIDE = 1.
<CAPPDOCWRHSDETS>-REFERENCEAPPLICATIONSUBITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CAPPDOCWRHSDETS-WAREHOUSERECEIPTNO, sy-vline,
  WA_CAPPDOCWRHSDETS-WAREHOUSERECEIPTTYPE, sy-vline,
  WA_CAPPDOCWRHSDETS-WAREHOUSERECEIPTTYPEDESC, sy-vline,
  WA_CAPPDOCWRHSDETS-WAREHOUSERECEIPTOBLIGATIONTYPE, sy-vline,
  WA_CAPPDOCWRHSDETS-WAREHOUSERECEIPTSTARTDATE, sy-vline,
  WA_CAPPDOCWRHSDETS-WAREHOUSERECEIPTENDDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CAPPDOCWRHSDETS 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_CAPPDOCWRHSDETS 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_CAPPDOCWRHSDETS INTO WA_CAPPDOCWRHSDETS.


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

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

*Conversion exit CUNIT, internal->external for field WAREHOUSERECEIPTEDOPENQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CAPPDOCWRHSDETS-WAREHOUSERECEIPTEDOPENQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CAPPDOCWRHSDETS-WAREHOUSERECEIPTEDOPENQTYUNIT.
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_CAPPDOCWRHSDETS_STR, 
MANDT TYPE STRING,
REFERENCEAPPLICATIONDOCUMENT TYPE STRING,
REFERENCEAPPLICATIONITEM TYPE STRING,
REFERENCEAPPLICATIONSIDE TYPE STRING,
REFERENCEAPPLICATIONSUBITEM TYPE STRING,
WAREHOUSERECEIPTNO TYPE STRING,
WAREHOUSERECEIPTTYPE TYPE STRING,
WAREHOUSERECEIPTTYPEDESC TYPE STRING,
WAREHOUSERECEIPTOBLIGATIONTYPE TYPE STRING,
WAREHOUSERECEIPTSTARTDATE TYPE STRING,
WAREHOUSERECEIPTENDDATE TYPE STRING,
WRHSRECEIPTOBLIGATIONTYPEDESC TYPE STRING,
WAREHOUSERECEIPTEDQUANTITYUNIT TYPE STRING,
WAREHOUSERECEIPTEDQUANTITY TYPE STRING,
WAREHOUSERECEIPTEDOPENQTYUNIT TYPE STRING,
WAREHOUSERECEIPTEDOPENQTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CAPPDOCWRHSDETS_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_CAPPDOCWRHSDETS_STR-MANDT sy-vline 
WA_CAPPDOCWRHSDETS_STR-REFERENCEAPPLICATIONDOCUMENT sy-vline 
WA_CAPPDOCWRHSDETS_STR-REFERENCEAPPLICATIONITEM sy-vline 
WA_CAPPDOCWRHSDETS_STR-REFERENCEAPPLICATIONSIDE sy-vline 
WA_CAPPDOCWRHSDETS_STR-REFERENCEAPPLICATIONSUBITEM sy-vline 
WA_CAPPDOCWRHSDETS_STR-WAREHOUSERECEIPTNO sy-vline 
WA_CAPPDOCWRHSDETS_STR-WAREHOUSERECEIPTTYPE sy-vline 
WA_CAPPDOCWRHSDETS_STR-WAREHOUSERECEIPTTYPEDESC sy-vline 
WA_CAPPDOCWRHSDETS_STR-WAREHOUSERECEIPTOBLIGATIONTYPE sy-vline 
WA_CAPPDOCWRHSDETS_STR-WAREHOUSERECEIPTSTARTDATE sy-vline 
WA_CAPPDOCWRHSDETS_STR-WAREHOUSERECEIPTENDDATE sy-vline 
WA_CAPPDOCWRHSDETS_STR-WRHSRECEIPTOBLIGATIONTYPEDESC sy-vline 
WA_CAPPDOCWRHSDETS_STR-WAREHOUSERECEIPTEDQUANTITYUNIT sy-vline 
WA_CAPPDOCWRHSDETS_STR-WAREHOUSERECEIPTEDQUANTITY sy-vline 
WA_CAPPDOCWRHSDETS_STR-WAREHOUSERECEIPTEDOPENQTYUNIT sy-vline 
WA_CAPPDOCWRHSDETS_STR-WAREHOUSERECEIPTEDOPENQTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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