ABAP Select data from SAP table FUDS_VERIFDOC_EX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FUDS_VERIFDOC_EX
*  INTO TABLE @DATA(IT_FUDS_VERIFDOC_EX2).
*--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_FUDS_VERIFDOC_EX INDEX 1 INTO DATA(WA_FUDS_VERIFDOC_EX2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FUDS_VERIFDOC_EX-XBLNR_ALT, sy-vline,
  WA_FUDS_VERIFDOC_EX-AUTHOR, sy-vline,
  WA_FUDS_VERIFDOC_EX-STATUS, sy-vline,
  WA_FUDS_VERIFDOC_EX-APPROVER, sy-vline,
  WA_FUDS_VERIFDOC_EX-DOCVERF_LEVEL, sy-vline,
  WA_FUDS_VERIFDOC_EX-STBLG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FUDS_VERIFDOC_EX 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_FUDS_VERIFDOC_EX 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_FUDS_VERIFDOC_EX INTO WA_FUDS_VERIFDOC_EX.


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

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

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

*Conversion exit ODNIT, internal->external for field XBLNR_ALT
CALL FUNCTION 'CONVERSION_EXIT_ODNIT_OUTPUT'
  EXPORTING
    input =                      WA_FUDS_VERIFDOC_EX-XBLNR_ALT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FUDS_VERIFDOC_EX-XBLNR_ALT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field BELNR_INUSE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FUDS_VERIFDOC_EX-BELNR_INUSE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FUDS_VERIFDOC_EX-BELNR_INUSE.
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_FUDS_VERIFDOC_EX_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
VERIDOC_NO TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
XBLNR_ALT TYPE STRING,
AUTHOR TYPE STRING,
STATUS TYPE STRING,
APPROVER TYPE STRING,
DOCVERF_LEVEL TYPE STRING,
STBLG TYPE STRING,
STJAH TYPE STRING,
STODT TYPE STRING,
STGRD TYPE STRING,
VOIDR TYPE STRING,
STOMO TYPE STRING,
BVORG TYPE STRING,
TIMESTAMP TYPE STRING,
BELNR_INUSE TYPE STRING,
XVERIFDOC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FUDS_VERIFDOC_EX_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_FUDS_VERIFDOC_EX_STR-MANDT sy-vline 
WA_FUDS_VERIFDOC_EX_STR-BUKRS sy-vline 
WA_FUDS_VERIFDOC_EX_STR-VERIDOC_NO sy-vline 
WA_FUDS_VERIFDOC_EX_STR-GJAHR sy-vline 
WA_FUDS_VERIFDOC_EX_STR-BELNR sy-vline 
WA_FUDS_VERIFDOC_EX_STR-XBLNR_ALT sy-vline 
WA_FUDS_VERIFDOC_EX_STR-AUTHOR sy-vline 
WA_FUDS_VERIFDOC_EX_STR-STATUS sy-vline 
WA_FUDS_VERIFDOC_EX_STR-APPROVER sy-vline 
WA_FUDS_VERIFDOC_EX_STR-DOCVERF_LEVEL sy-vline 
WA_FUDS_VERIFDOC_EX_STR-STBLG sy-vline 
WA_FUDS_VERIFDOC_EX_STR-STJAH sy-vline 
WA_FUDS_VERIFDOC_EX_STR-STODT sy-vline 
WA_FUDS_VERIFDOC_EX_STR-STGRD sy-vline 
WA_FUDS_VERIFDOC_EX_STR-VOIDR sy-vline 
WA_FUDS_VERIFDOC_EX_STR-STOMO sy-vline 
WA_FUDS_VERIFDOC_EX_STR-BVORG sy-vline 
WA_FUDS_VERIFDOC_EX_STR-TIMESTAMP sy-vline 
WA_FUDS_VERIFDOC_EX_STR-BELNR_INUSE sy-vline 
WA_FUDS_VERIFDOC_EX_STR-XVERIFDOC sy-vline      INTO ld_text SEPARATED BY SPACE.

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