ABAP Select data from SAP table CVP_SORT_CD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CVP_SORT_CD
*  INTO TABLE @DATA(IT_CVP_SORT_CD2).
*--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_CVP_SORT_CD INDEX 1 INTO DATA(WA_CVP_SORT_CD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CVP_SORT_CD>-CLIENT = 1.
<CVP_SORT_CD>-ID = 1.
<CVP_SORT_CD>-ID_TYPE = 1.
<CVP_SORT_CD>-BUKRS = 1.
<CVP_SORT_CD>-VKORG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CVP_SORT_CD-BUSINESS_SYSTEM, sy-vline,
  WA_CVP_SORT_CD-APPL_NAME, sy-vline,
  WA_CVP_SORT_CD-APPL_RULE_VARIANT, sy-vline,
  WA_CVP_SORT_CD-IDX, sy-vline,
  WA_CVP_SORT_CD-ST_RET_DATE, sy-vline,
  WA_CVP_SORT_CD-NEXTCHKDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CVP_SORT_CD 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_CVP_SORT_CD 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_CVP_SORT_CD INTO WA_CVP_SORT_CD.


*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 ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CVP_SORT_CD-ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CVP_SORT_CD-ID.
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_CVP_SORT_CD_STR, 
CLIENT TYPE STRING,
ID TYPE STRING,
ID_TYPE TYPE STRING,
BUKRS TYPE STRING,
VKORG TYPE STRING,
BUSINESS_SYSTEM TYPE STRING,
APPL_NAME TYPE STRING,
APPL_RULE_VARIANT TYPE STRING,
IDX TYPE STRING,
ST_RET_DATE TYPE STRING,
NEXTCHKDT TYPE STRING,
PUR_CMPL_STATUS TYPE STRING,
STATUS TYPE STRING,
DATINS TYPE STRING,
TIMINS TYPE STRING,
UNAMEINS TYPE STRING,
CPROGINS TYPE STRING,
TCODEINS TYPE STRING,
DATUPD TYPE STRING,
TIMUPD TYPE STRING,
UNAMEUPD TYPE STRING,
CPROGUPD TYPE STRING,
TCODEUPD TYPE STRING,
REASON TYPE STRING,
DATCD TYPE STRING,
TIMCD TYPE STRING,
UNAMECD TYPE STRING,
CPROGCD TYPE STRING,
TCODECD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CVP_SORT_CD_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_CVP_SORT_CD_STR-CLIENT sy-vline 
WA_CVP_SORT_CD_STR-ID sy-vline 
WA_CVP_SORT_CD_STR-ID_TYPE sy-vline 
WA_CVP_SORT_CD_STR-BUKRS sy-vline 
WA_CVP_SORT_CD_STR-VKORG sy-vline 
WA_CVP_SORT_CD_STR-BUSINESS_SYSTEM sy-vline 
WA_CVP_SORT_CD_STR-APPL_NAME sy-vline 
WA_CVP_SORT_CD_STR-APPL_RULE_VARIANT sy-vline 
WA_CVP_SORT_CD_STR-IDX sy-vline 
WA_CVP_SORT_CD_STR-ST_RET_DATE sy-vline 
WA_CVP_SORT_CD_STR-NEXTCHKDT sy-vline 
WA_CVP_SORT_CD_STR-PUR_CMPL_STATUS sy-vline 
WA_CVP_SORT_CD_STR-STATUS sy-vline 
WA_CVP_SORT_CD_STR-DATINS sy-vline 
WA_CVP_SORT_CD_STR-TIMINS sy-vline 
WA_CVP_SORT_CD_STR-UNAMEINS sy-vline 
WA_CVP_SORT_CD_STR-CPROGINS sy-vline 
WA_CVP_SORT_CD_STR-TCODEINS sy-vline 
WA_CVP_SORT_CD_STR-DATUPD sy-vline 
WA_CVP_SORT_CD_STR-TIMUPD sy-vline 
WA_CVP_SORT_CD_STR-UNAMEUPD sy-vline 
WA_CVP_SORT_CD_STR-CPROGUPD sy-vline 
WA_CVP_SORT_CD_STR-TCODEUPD sy-vline 
WA_CVP_SORT_CD_STR-REASON sy-vline 
WA_CVP_SORT_CD_STR-DATCD sy-vline 
WA_CVP_SORT_CD_STR-TIMCD sy-vline 
WA_CVP_SORT_CD_STR-UNAMECD sy-vline 
WA_CVP_SORT_CD_STR-CPROGCD sy-vline 
WA_CVP_SORT_CD_STR-TCODECD sy-vline      INTO ld_text SEPARATED BY SPACE.

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