ABAP Select data from SAP table CRESPEMPQUCKVW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRESPEMPQUCKVW
*  INTO TABLE @DATA(IT_CRESPEMPQUCKVW2).
*--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_CRESPEMPQUCKVW INDEX 1 INTO DATA(WA_CRESPEMPQUCKVW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRESPEMPQUCKVW>-MANDT = 1.
<CRESPEMPQUCKVW>-BUSINESSPARTNER = 1.
<CRESPEMPQUCKVW>-BUSINESSPARTNERNAME = 1.
<CRESPEMPQUCKVW>-BUSINESSPARTNERFULLNAME = 1.
<CRESPEMPQUCKVW>-CITYNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRESPEMPQUCKVW-COUNTRY, sy-vline,
  WA_CRESPEMPQUCKVW-COUNTRYNAME, sy-vline,
  WA_CRESPEMPQUCKVW-POSTALCODE, sy-vline,
  WA_CRESPEMPQUCKVW-PHONENUMBER, sy-vline,
  WA_CRESPEMPQUCKVW-EMAILADDRESS, sy-vline,
  WA_CRESPEMPQUCKVW-BPADDRESSISPROTECTED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRESPEMPQUCKVW 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_CRESPEMPQUCKVW 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_CRESPEMPQUCKVW INTO WA_CRESPEMPQUCKVW.


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

*Conversion exit SXIDN, internal->external for field EMAILADDRESS
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_CRESPEMPQUCKVW-EMAILADDRESS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRESPEMPQUCKVW-EMAILADDRESS.
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_CRESPEMPQUCKVW_STR, 
MANDT TYPE STRING,
BUSINESSPARTNER TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,
BUSINESSPARTNERFULLNAME TYPE STRING,
CITYNAME TYPE STRING,
COUNTRY TYPE STRING,
COUNTRYNAME TYPE STRING,
POSTALCODE TYPE STRING,
PHONENUMBER TYPE STRING,
EMAILADDRESS TYPE STRING,
BPADDRESSISPROTECTED TYPE STRING,
BUSINESSPARTNERUUID TYPE STRING,
ISBUSINESSPURPOSECOMPLETED TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRESPEMPQUCKVW_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_CRESPEMPQUCKVW_STR-MANDT sy-vline 
WA_CRESPEMPQUCKVW_STR-BUSINESSPARTNER sy-vline 
WA_CRESPEMPQUCKVW_STR-BUSINESSPARTNERNAME sy-vline 
WA_CRESPEMPQUCKVW_STR-BUSINESSPARTNERFULLNAME sy-vline 
WA_CRESPEMPQUCKVW_STR-CITYNAME sy-vline 
WA_CRESPEMPQUCKVW_STR-COUNTRY sy-vline 
WA_CRESPEMPQUCKVW_STR-COUNTRYNAME sy-vline 
WA_CRESPEMPQUCKVW_STR-POSTALCODE sy-vline 
WA_CRESPEMPQUCKVW_STR-PHONENUMBER sy-vline 
WA_CRESPEMPQUCKVW_STR-EMAILADDRESS sy-vline 
WA_CRESPEMPQUCKVW_STR-BPADDRESSISPROTECTED sy-vline 
WA_CRESPEMPQUCKVW_STR-BUSINESSPARTNERUUID sy-vline 
WA_CRESPEMPQUCKVW_STR-ISBUSINESSPURPOSECOMPLETED sy-vline 
WA_CRESPEMPQUCKVW_STR-AUTHORIZATIONGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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