ABAP Select data from SAP table T8JVC_CUR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T8JVC_CUR 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 T8JVC_CUR. 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 T8JVC_CUR 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_T8JVC_CUR TYPE STANDARD TABLE OF T8JVC_CUR,
      WA_T8JVC_CUR TYPE T8JVC_CUR,
      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: <T8JVC_CUR> TYPE T8JVC_CUR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T8JVC_CUR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T8JVC_CUR
  INTO TABLE IT_T8JVC_CUR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T8JVC_CUR
*  INTO TABLE @DATA(IT_T8JVC_CUR2).
*--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_T8JVC_CUR INDEX 1 INTO DATA(WA_T8JVC_CUR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T8JVC_CUR ASSIGNING <T8JVC_CUR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T8JVC_CUR>-CUR01 = 1.
<T8JVC_CUR>-CUR02 = 1.
<T8JVC_CUR>-CUR03 = 1.
<T8JVC_CUR>-CUR04 = 1.
<T8JVC_CUR>-CUR05 = 1.

ENDLOOP.

LOOP AT IT_T8JVC_CUR INTO WA_T8JVC_CUR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T8JVC_CUR-CUR06, sy-vline,
  WA_T8JVC_CUR-CUR07, sy-vline,
  WA_T8JVC_CUR-CUR08, sy-vline,
  WA_T8JVC_CUR-CUR09, sy-vline,
  WA_T8JVC_CUR-CUR10, sy-vline,
  WA_T8JVC_CUR-CUR11, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T8JVC_CUR 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_T8JVC_CUR 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_T8JVC_CUR INTO WA_T8JVC_CUR.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_T8JVC_CUR_STR, 
CUR01 TYPE STRING,
CUR02 TYPE STRING,
CUR03 TYPE STRING,
CUR04 TYPE STRING,
CUR05 TYPE STRING,
CUR06 TYPE STRING,
CUR07 TYPE STRING,
CUR08 TYPE STRING,
CUR09 TYPE STRING,
CUR10 TYPE STRING,
CUR11 TYPE STRING,
CUR12 TYPE STRING,
CUR13 TYPE STRING,
CUR14 TYPE STRING,
CUR15 TYPE STRING,
CUR16 TYPE STRING,
CUR17 TYPE STRING,
CUR18 TYPE STRING,
CUR19 TYPE STRING,
CUR20 TYPE STRING,
CUR21 TYPE STRING,
CUR22 TYPE STRING,
CUR23 TYPE STRING,
CUR24 TYPE STRING,
CUR25 TYPE STRING,
CUR26 TYPE STRING,
CUR27 TYPE STRING,
CUR28 TYPE STRING,
CUR29 TYPE STRING,
CUR30 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T8JVC_CUR_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_T8JVC_CUR_STR-CUR01 sy-vline 
WA_T8JVC_CUR_STR-CUR02 sy-vline 
WA_T8JVC_CUR_STR-CUR03 sy-vline 
WA_T8JVC_CUR_STR-CUR04 sy-vline 
WA_T8JVC_CUR_STR-CUR05 sy-vline 
WA_T8JVC_CUR_STR-CUR06 sy-vline 
WA_T8JVC_CUR_STR-CUR07 sy-vline 
WA_T8JVC_CUR_STR-CUR08 sy-vline 
WA_T8JVC_CUR_STR-CUR09 sy-vline 
WA_T8JVC_CUR_STR-CUR10 sy-vline 
WA_T8JVC_CUR_STR-CUR11 sy-vline 
WA_T8JVC_CUR_STR-CUR12 sy-vline 
WA_T8JVC_CUR_STR-CUR13 sy-vline 
WA_T8JVC_CUR_STR-CUR14 sy-vline 
WA_T8JVC_CUR_STR-CUR15 sy-vline 
WA_T8JVC_CUR_STR-CUR16 sy-vline 
WA_T8JVC_CUR_STR-CUR17 sy-vline 
WA_T8JVC_CUR_STR-CUR18 sy-vline 
WA_T8JVC_CUR_STR-CUR19 sy-vline 
WA_T8JVC_CUR_STR-CUR20 sy-vline 
WA_T8JVC_CUR_STR-CUR21 sy-vline 
WA_T8JVC_CUR_STR-CUR22 sy-vline 
WA_T8JVC_CUR_STR-CUR23 sy-vline 
WA_T8JVC_CUR_STR-CUR24 sy-vline 
WA_T8JVC_CUR_STR-CUR25 sy-vline 
WA_T8JVC_CUR_STR-CUR26 sy-vline 
WA_T8JVC_CUR_STR-CUR27 sy-vline 
WA_T8JVC_CUR_STR-CUR28 sy-vline 
WA_T8JVC_CUR_STR-CUR29 sy-vline 
WA_T8JVC_CUR_STR-CUR30 sy-vline      INTO ld_text SEPARATED BY SPACE.

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