ABAP Select data from SAP table T8JVB04 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T8JVB04 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 T8JVB04. 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 T8JVB04 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_T8JVB04 TYPE STANDARD TABLE OF T8JVB04,
      WA_T8JVB04 TYPE T8JVB04,
      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: <T8JVB04> TYPE T8JVB04.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T8JVB04.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T8JVB04
  INTO TABLE IT_T8JVB04.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T8JVB04
*  INTO TABLE @DATA(IT_T8JVB042).
*--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_T8JVB04 INDEX 1 INTO DATA(WA_T8JVB042).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T8JVB04 ASSIGNING <T8JVB04>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T8JVB04>-FUNDCURR = 1.
<T8JVB04>-FYEAR = 1.
<T8JVB04>-PERIOD = 1.
<T8JVB04>-CEIND = 1.
<T8JVB04>-JIBCL = 1.

ENDLOOP.

LOOP AT IT_T8JVB04 INTO WA_T8JVB04.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T8JVB04-JIBSA, sy-vline,
  WA_T8JVB04-JIBSB, sy-vline,
  WA_T8JVB04-BILLCODE, sy-vline,
  WA_T8JVB04-CCENTRE, sy-vline,
  WA_T8JVB04-PROJECT, sy-vline,
  WA_T8JVB04-ORDER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T8JVB04 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_T8JVB04 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_T8JVB04 INTO WA_T8JVB04.


*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 GJAHR, internal->external for field FYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_T8JVB04-FYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T8JVB04-FYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CCENTRE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_T8JVB04-CCENTRE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T8JVB04-CCENTRE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PROJECT
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_T8JVB04-PROJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T8JVB04-PROJECT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_T8JVB04-ORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T8JVB04-ORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_T8JVB04-ACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T8JVB04-ACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_T8JVB04-PARTN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T8JVB04-PARTN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFDOCNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_T8JVB04-REFDOCNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T8JVB04-REFDOCNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOCNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_T8JVB04-DOCNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T8JVB04-DOCNR.
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_T8JVB04_STR, 
FUNDCURR TYPE STRING,
FYEAR TYPE STRING,
PERIOD TYPE STRING,
CEIND TYPE STRING,
JIBCL TYPE STRING,
JIBSA TYPE STRING,
JIBSB TYPE STRING,
BILLCODE TYPE STRING,
CCENTRE TYPE STRING,
PROJECT TYPE STRING,
ORDER TYPE STRING,
ACCOUNT TYPE STRING,
TANGIND TYPE STRING,
AFENUM TYPE STRING,
AFEIND TYPE STRING,
PARTN TYPE STRING,
SDS TYPE STRING,
AWTYP TYPE STRING,
AWORG TYPE STRING,
REFDOCNR TYPE STRING,
DOCNR TYPE STRING,
DOCLN TYPE STRING,
DOCCT TYPE STRING,
LOCALCUR TYPE STRING,
FCMAMT TYPE STRING,
LCMAMT TYPE STRING,
BLART TYPE STRING,
PRODPER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T8JVB04_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_T8JVB04_STR-FUNDCURR sy-vline 
WA_T8JVB04_STR-FYEAR sy-vline 
WA_T8JVB04_STR-PERIOD sy-vline 
WA_T8JVB04_STR-CEIND sy-vline 
WA_T8JVB04_STR-JIBCL sy-vline 
WA_T8JVB04_STR-JIBSA sy-vline 
WA_T8JVB04_STR-JIBSB sy-vline 
WA_T8JVB04_STR-BILLCODE sy-vline 
WA_T8JVB04_STR-CCENTRE sy-vline 
WA_T8JVB04_STR-PROJECT sy-vline 
WA_T8JVB04_STR-ORDER sy-vline 
WA_T8JVB04_STR-ACCOUNT sy-vline 
WA_T8JVB04_STR-TANGIND sy-vline 
WA_T8JVB04_STR-AFENUM sy-vline 
WA_T8JVB04_STR-AFEIND sy-vline 
WA_T8JVB04_STR-PARTN sy-vline 
WA_T8JVB04_STR-SDS sy-vline 
WA_T8JVB04_STR-AWTYP sy-vline 
WA_T8JVB04_STR-AWORG sy-vline 
WA_T8JVB04_STR-REFDOCNR sy-vline 
WA_T8JVB04_STR-DOCNR sy-vline 
WA_T8JVB04_STR-DOCLN sy-vline 
WA_T8JVB04_STR-DOCCT sy-vline 
WA_T8JVB04_STR-LOCALCUR sy-vline 
WA_T8JVB04_STR-FCMAMT sy-vline 
WA_T8JVB04_STR-LCMAMT sy-vline 
WA_T8JVB04_STR-BLART sy-vline 
WA_T8JVB04_STR-PRODPER sy-vline      INTO ld_text SEPARATED BY SPACE.

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