ABAP Select data from SAP table CJVCCPARDET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CJVCCPARDET
*  INTO TABLE @DATA(IT_CJVCCPARDET2).
*--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_CJVCCPARDET INDEX 1 INTO DATA(WA_CJVCCPARDET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CJVCCPARDET>-MANDT = 1.
<CJVCCPARDET>-ACCOUNTINGDOCUMENT = 1.
<CJVCCPARDET>-COMPANYCODE = 1.
<CJVCCPARDET>-FISCALYEAR = 1.
<CJVCCPARDET>-JOINTVENTUREPARTNER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CJVCCPARDET-JOINTVENTURE, sy-vline,
  WA_CJVCCPARDET-JOINTVENTUREEQUITYGROUP, sy-vline,
  WA_CJVCCPARDET-JOINTVENTUREEQUITYTYPE, sy-vline,
  WA_CJVCCPARDET-JNTVNTRBILLGFORMAT, sy-vline,
  WA_CJVCCPARDET-JNTVNTRPARTNERBILLGFORMAT, sy-vline,
  WA_CJVCCPARDET-JOINTVENTUREACCOUNTINGACTIVITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CJVCCPARDET 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_CJVCCPARDET 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_CJVCCPARDET INTO WA_CJVCCPARDET.


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

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CJVCCPARDET-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CJVCCPARDET-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field JOINTVENTUREEQUITYTYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CJVCCPARDET-JOINTVENTUREEQUITYTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CJVCCPARDET-JOINTVENTUREEQUITYTYPE.
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_CJVCCPARDET_STR, 
MANDT TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
JOINTVENTUREPARTNER TYPE STRING,
JOINTVENTURE TYPE STRING,
JOINTVENTUREEQUITYGROUP TYPE STRING,
JOINTVENTUREEQUITYTYPE TYPE STRING,
JNTVNTRBILLGFORMAT TYPE STRING,
JNTVNTRPARTNERBILLGFORMAT TYPE STRING,
JOINTVENTUREACCOUNTINGACTIVITY TYPE STRING,
JNTVNTRHARDCOPYBILLGISSUPP TYPE STRING,
COUNTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CJVCCPARDET_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_CJVCCPARDET_STR-MANDT sy-vline 
WA_CJVCCPARDET_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CJVCCPARDET_STR-COMPANYCODE sy-vline 
WA_CJVCCPARDET_STR-FISCALYEAR sy-vline 
WA_CJVCCPARDET_STR-JOINTVENTUREPARTNER sy-vline 
WA_CJVCCPARDET_STR-JOINTVENTURE sy-vline 
WA_CJVCCPARDET_STR-JOINTVENTUREEQUITYGROUP sy-vline 
WA_CJVCCPARDET_STR-JOINTVENTUREEQUITYTYPE sy-vline 
WA_CJVCCPARDET_STR-JNTVNTRBILLGFORMAT sy-vline 
WA_CJVCCPARDET_STR-JNTVNTRPARTNERBILLGFORMAT sy-vline 
WA_CJVCCPARDET_STR-JOINTVENTUREACCOUNTINGACTIVITY sy-vline 
WA_CJVCCPARDET_STR-JNTVNTRHARDCOPYBILLGISSUPP sy-vline 
WA_CJVCCPARDET_STR-COUNTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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