ABAP Select data from SAP table VFCLMBSEGPRJK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VFCLMBSEGPRJK
*  INTO TABLE @DATA(IT_VFCLMBSEGPRJK2).
*--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_VFCLMBSEGPRJK INDEX 1 INTO DATA(WA_VFCLMBSEGPRJK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VFCLMBSEGPRJK>-MANDT = 1.
<VFCLMBSEGPRJK>-BUKRS = 1.
<VFCLMBSEGPRJK>-GJAHR = 1.
<VFCLMBSEGPRJK>-BELNR = 1.
<VFCLMBSEGPRJK>-BUZEI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VFCLMBSEGPRJK-SHKZG, sy-vline,
  WA_VFCLMBSEGPRJK-WRBTR, sy-vline,
  WA_VFCLMBSEGPRJK-DMBTR, sy-vline,
  WA_VFCLMBSEGPRJK-H_WAERS, sy-vline,
  WA_VFCLMBSEGPRJK-BUZID, sy-vline,
  WA_VFCLMBSEGPRJK-FQFTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VFCLMBSEGPRJK 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_VFCLMBSEGPRJK 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_VFCLMBSEGPRJK INTO WA_VFCLMBSEGPRJK.


*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 GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_VFCLMBSEGPRJK-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCLMBSEGPRJK-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AU132, internal->external for field WRBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_VFCLMBSEGPRJK-WRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCLMBSEGPRJK-WRBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_VFCLMBSEGPRJK-DMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCLMBSEGPRJK-DMBTR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_VFCLMBSEGPRJK-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCLMBSEGPRJK-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field VERTN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VFCLMBSEGPRJK-VERTN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VFCLMBSEGPRJK-VERTN.
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_VFCLMBSEGPRJK_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
SHKZG TYPE STRING,
WRBTR TYPE STRING,
DMBTR TYPE STRING,
H_WAERS TYPE STRING,
BUZID TYPE STRING,
FQFTYPE TYPE STRING,
FDLEV TYPE STRING,
FDGRP TYPE STRING,
KTOSL TYPE STRING,
H_BUDAT TYPE STRING,
HKONT TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
ZEKKN TYPE STRING,
H_BLDAT TYPE STRING,
ZUONR TYPE STRING,
H_MONAT TYPE STRING,
FDTAG TYPE STRING,
VALUT TYPE STRING,
SK1DT TYPE STRING,
SK2DT TYPE STRING,
NETDT TYPE STRING,
ZBD1P TYPE STRING,
ZBD2P TYPE STRING,
AUGBL TYPE STRING,
AUGDT TYPE STRING,
AGZEI TYPE STRING,
REBZT TYPE STRING,
REBZG TYPE STRING,
REBZJ TYPE STRING,
REBZZ TYPE STRING,
LQITEM TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
SEGMENT TYPE STRING,
GSBER TYPE STRING,
MATNR TYPE STRING,
PRCTR TYPE STRING,
KOSTL TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
PROJK TYPE STRING,
VBUND TYPE STRING,
VERTN TYPE STRING,
VERTT TYPE STRING,
X_PARKED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VFCLMBSEGPRJK_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_VFCLMBSEGPRJK_STR-MANDT sy-vline 
WA_VFCLMBSEGPRJK_STR-BUKRS sy-vline 
WA_VFCLMBSEGPRJK_STR-GJAHR sy-vline 
WA_VFCLMBSEGPRJK_STR-BELNR sy-vline 
WA_VFCLMBSEGPRJK_STR-BUZEI sy-vline 
WA_VFCLMBSEGPRJK_STR-SHKZG sy-vline 
WA_VFCLMBSEGPRJK_STR-WRBTR sy-vline 
WA_VFCLMBSEGPRJK_STR-DMBTR sy-vline 
WA_VFCLMBSEGPRJK_STR-H_WAERS sy-vline 
WA_VFCLMBSEGPRJK_STR-BUZID sy-vline 
WA_VFCLMBSEGPRJK_STR-FQFTYPE sy-vline 
WA_VFCLMBSEGPRJK_STR-FDLEV sy-vline 
WA_VFCLMBSEGPRJK_STR-FDGRP sy-vline 
WA_VFCLMBSEGPRJK_STR-KTOSL sy-vline 
WA_VFCLMBSEGPRJK_STR-H_BUDAT sy-vline 
WA_VFCLMBSEGPRJK_STR-HKONT sy-vline 
WA_VFCLMBSEGPRJK_STR-EBELN sy-vline 
WA_VFCLMBSEGPRJK_STR-EBELP sy-vline 
WA_VFCLMBSEGPRJK_STR-ZEKKN sy-vline 
WA_VFCLMBSEGPRJK_STR-H_BLDAT sy-vline 
WA_VFCLMBSEGPRJK_STR-ZUONR sy-vline 
WA_VFCLMBSEGPRJK_STR-H_MONAT sy-vline 
WA_VFCLMBSEGPRJK_STR-FDTAG sy-vline 
WA_VFCLMBSEGPRJK_STR-VALUT sy-vline 
WA_VFCLMBSEGPRJK_STR-SK1DT sy-vline 
WA_VFCLMBSEGPRJK_STR-SK2DT sy-vline 
WA_VFCLMBSEGPRJK_STR-NETDT sy-vline 
WA_VFCLMBSEGPRJK_STR-ZBD1P sy-vline 
WA_VFCLMBSEGPRJK_STR-ZBD2P sy-vline 
WA_VFCLMBSEGPRJK_STR-AUGBL sy-vline 
WA_VFCLMBSEGPRJK_STR-AUGDT sy-vline 
WA_VFCLMBSEGPRJK_STR-AGZEI sy-vline 
WA_VFCLMBSEGPRJK_STR-REBZT sy-vline 
WA_VFCLMBSEGPRJK_STR-REBZG sy-vline 
WA_VFCLMBSEGPRJK_STR-REBZJ sy-vline 
WA_VFCLMBSEGPRJK_STR-REBZZ sy-vline 
WA_VFCLMBSEGPRJK_STR-LQITEM sy-vline 
WA_VFCLMBSEGPRJK_STR-KUNNR sy-vline 
WA_VFCLMBSEGPRJK_STR-LIFNR sy-vline 
WA_VFCLMBSEGPRJK_STR-SEGMENT sy-vline 
WA_VFCLMBSEGPRJK_STR-GSBER sy-vline 
WA_VFCLMBSEGPRJK_STR-MATNR sy-vline 
WA_VFCLMBSEGPRJK_STR-PRCTR sy-vline 
WA_VFCLMBSEGPRJK_STR-KOSTL sy-vline 
WA_VFCLMBSEGPRJK_STR-HBKID sy-vline 
WA_VFCLMBSEGPRJK_STR-HKTID sy-vline 
WA_VFCLMBSEGPRJK_STR-PROJK sy-vline 
WA_VFCLMBSEGPRJK_STR-VBUND sy-vline 
WA_VFCLMBSEGPRJK_STR-VERTN sy-vline 
WA_VFCLMBSEGPRJK_STR-VERTT sy-vline 
WA_VFCLMBSEGPRJK_STR-X_PARKED sy-vline      INTO ld_text SEPARATED BY SPACE.

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