ABAP Select data from SAP table VFCO_CJB1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VFCO_CJB1 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 VFCO_CJB1. 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 VFCO_CJB1 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_VFCO_CJB1 TYPE STANDARD TABLE OF VFCO_CJB1,
      WA_VFCO_CJB1 TYPE VFCO_CJB1,
      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: <VFCO_CJB1> TYPE VFCO_CJB1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VFCO_CJB1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VFCO_CJB1
  INTO TABLE IT_VFCO_CJB1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VFCO_CJB1
*  INTO TABLE @DATA(IT_VFCO_CJB12).
*--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_VFCO_CJB1 INDEX 1 INTO DATA(WA_VFCO_CJB12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VFCO_CJB1 ASSIGNING <VFCO_CJB1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VFCO_CJB1>-MANDT = 1.
<VFCO_CJB1>-PSPNR_PROJ = 1.
<VFCO_CJB1>-PSPID = 1.
<VFCO_CJB1>-PSPNR_UP = 1.
<VFCO_CJB1>-PSPNR = 1.

ENDLOOP.

LOOP AT IT_VFCO_CJB1 INTO WA_VFCO_CJB1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VFCO_CJB1-POSID, sy-vline,
  WA_VFCO_CJB1-PKOKR, sy-vline,
  WA_VFCO_CJB1-PBUKR, sy-vline,
  WA_VFCO_CJB1-VBUKR, sy-vline,
  WA_VFCO_CJB1-PGSBR, sy-vline,
  WA_VFCO_CJB1-PRCTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VFCO_CJB1 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_VFCO_CJB1 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_VFCO_CJB1 INTO WA_VFCO_CJB1.


*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 KONPD, internal->external for field PSPNR_PROJ
CALL FUNCTION 'CONVERSION_EXIT_KONPD_OUTPUT'
  EXPORTING
    input =                      WA_VFCO_CJB1-PSPNR_PROJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCO_CJB1-PSPNR_PROJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field PSPID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_VFCO_CJB1-PSPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCO_CJB1-PSPID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PSPNR_UP
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_VFCO_CJB1-PSPNR_UP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCO_CJB1-PSPNR_UP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PSPNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_VFCO_CJB1-PSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCO_CJB1-PSPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_VFCO_CJB1-POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCO_CJB1-POSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VFCO_CJB1-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCO_CJB1-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AKSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VFCO_CJB1-AKSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCO_CJB1-AKSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FKSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VFCO_CJB1-FKSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCO_CJB1-FKSTL.
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_VFCO_CJB1_STR, 
MANDT TYPE STRING,
PSPNR_PROJ TYPE STRING,
PSPID TYPE STRING,
PSPNR_UP TYPE STRING,
PSPNR TYPE STRING,
POSID TYPE STRING,
PKOKR TYPE STRING,
PBUKR TYPE STRING,
VBUKR TYPE STRING,
PGSBR TYPE STRING,
PRCTR TYPE STRING,
AKSTL TYPE STRING,
FKSTL TYPE STRING,
STUFE TYPE STRING,
PROFL TYPE STRING,
OBJNR TYPE STRING,
STSMA TYPE STRING,
STRAT TYPE STRING,
BELKZ TYPE STRING,
FAKKZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VFCO_CJB1_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_VFCO_CJB1_STR-MANDT sy-vline 
WA_VFCO_CJB1_STR-PSPNR_PROJ sy-vline 
WA_VFCO_CJB1_STR-PSPID sy-vline 
WA_VFCO_CJB1_STR-PSPNR_UP sy-vline 
WA_VFCO_CJB1_STR-PSPNR sy-vline 
WA_VFCO_CJB1_STR-POSID sy-vline 
WA_VFCO_CJB1_STR-PKOKR sy-vline 
WA_VFCO_CJB1_STR-PBUKR sy-vline 
WA_VFCO_CJB1_STR-VBUKR sy-vline 
WA_VFCO_CJB1_STR-PGSBR sy-vline 
WA_VFCO_CJB1_STR-PRCTR sy-vline 
WA_VFCO_CJB1_STR-AKSTL sy-vline 
WA_VFCO_CJB1_STR-FKSTL sy-vline 
WA_VFCO_CJB1_STR-STUFE sy-vline 
WA_VFCO_CJB1_STR-PROFL sy-vline 
WA_VFCO_CJB1_STR-OBJNR sy-vline 
WA_VFCO_CJB1_STR-STSMA sy-vline 
WA_VFCO_CJB1_STR-STRAT sy-vline 
WA_VFCO_CJB1_STR-BELKZ sy-vline 
WA_VFCO_CJB1_STR-FAKKZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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