ABAP Select data from SAP table CVDDPHITT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CVDDPHITT
*  INTO TABLE @DATA(IT_CVDDPHITT2).
*--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_CVDDPHITT INDEX 1 INTO DATA(WA_CVDDPHITT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CVDDPHITT>-LSYFKPA = 1.
<CVDDPHITT>-OBJECT = 1.
<CVDDPHITT>-ATTRIB = 1.
<CVDDPHITT>-RVLID = 1.
<CVDDPHITT>-LANGU = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CVDDPHITT-TDOBJECT, sy-vline,
  WA_CVDDPHITT-TDID, sy-vline,
  WA_CVDDPHITT-TDNAME, sy-vline,
  WA_CVDDPHITT-TDSPRAS, sy-vline,
  WA_CVDDPHITT-DOKAR, sy-vline,
  WA_CVDDPHITT-DOKNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CVDDPHITT 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_CVDDPHITT 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_CVDDPHITT INTO WA_CVDDPHITT.


*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 ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CVDDPHITT-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CVDDPHITT-LANGU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field TDSPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CVDDPHITT-TDSPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CVDDPHITT-TDSPRAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOKNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CVDDPHITT-DOKNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CVDDPHITT-DOKNR.
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_CVDDPHITT_STR, 
LSYFKPA TYPE STRING,
OBJECT TYPE STRING,
ATTRIB TYPE STRING,
RVLID TYPE STRING,
LANGU TYPE STRING,
TDOBJECT TYPE STRING,
TDID TYPE STRING,
TDNAME TYPE STRING,
TDSPRAS TYPE STRING,
DOKAR TYPE STRING,
DOKNR TYPE STRING,
DOKVR TYPE STRING,
DOKTL TYPE STRING,
FILEP TYPE STRING,
REPPARAFLG TYPE STRING,
VALUECHFLG TYPE STRING,
DEFPARAFLG TYPE STRING,
APPLOBJKEYFLG TYPE STRING,
PARHIER TYPE STRING,
PAROBJ TYPE STRING,
PAROBJKEY TYPE STRING,
PAROBJPAR TYPE STRING,
PAROBJPARKEY TYPE STRING,
LENRECD TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
REASONCAT TYPE STRING,
STATUS TYPE STRING,
EXTSTATNAM TYPE STRING,
SORT_DIALOG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CVDDPHITT_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_CVDDPHITT_STR-LSYFKPA sy-vline 
WA_CVDDPHITT_STR-OBJECT sy-vline 
WA_CVDDPHITT_STR-ATTRIB sy-vline 
WA_CVDDPHITT_STR-RVLID sy-vline 
WA_CVDDPHITT_STR-LANGU sy-vline 
WA_CVDDPHITT_STR-TDOBJECT sy-vline 
WA_CVDDPHITT_STR-TDID sy-vline 
WA_CVDDPHITT_STR-TDNAME sy-vline 
WA_CVDDPHITT_STR-TDSPRAS sy-vline 
WA_CVDDPHITT_STR-DOKAR sy-vline 
WA_CVDDPHITT_STR-DOKNR sy-vline 
WA_CVDDPHITT_STR-DOKVR sy-vline 
WA_CVDDPHITT_STR-DOKTL sy-vline 
WA_CVDDPHITT_STR-FILEP sy-vline 
WA_CVDDPHITT_STR-REPPARAFLG sy-vline 
WA_CVDDPHITT_STR-VALUECHFLG sy-vline 
WA_CVDDPHITT_STR-DEFPARAFLG sy-vline 
WA_CVDDPHITT_STR-APPLOBJKEYFLG sy-vline 
WA_CVDDPHITT_STR-PARHIER sy-vline 
WA_CVDDPHITT_STR-PAROBJ sy-vline 
WA_CVDDPHITT_STR-PAROBJKEY sy-vline 
WA_CVDDPHITT_STR-PAROBJPAR sy-vline 
WA_CVDDPHITT_STR-PAROBJPARKEY sy-vline 
WA_CVDDPHITT_STR-LENRECD sy-vline 
WA_CVDDPHITT_STR-CRDAT sy-vline 
WA_CVDDPHITT_STR-CRNAM sy-vline 
WA_CVDDPHITT_STR-UPDDAT sy-vline 
WA_CVDDPHITT_STR-UPDNAM sy-vline 
WA_CVDDPHITT_STR-REASONCAT sy-vline 
WA_CVDDPHITT_STR-STATUS sy-vline 
WA_CVDDPHITT_STR-EXTSTATNAM sy-vline 
WA_CVDDPHITT_STR-SORT_DIALOG sy-vline      INTO ld_text SEPARATED BY SPACE.

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