ABAP Select data from SAP table VIMDESC3 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VIMDESC3 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 VIMDESC3. 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 VIMDESC3 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_VIMDESC3 TYPE STANDARD TABLE OF VIMDESC3,
      WA_VIMDESC3 TYPE VIMDESC3,
      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: <VIMDESC3> TYPE VIMDESC3.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VIMDESC3.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VIMDESC3
  INTO TABLE IT_VIMDESC3.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VIMDESC3
*  INTO TABLE @DATA(IT_VIMDESC32).
*--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_VIMDESC3 INDEX 1 INTO DATA(WA_VIMDESC32).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VIMDESC3 ASSIGNING <VIMDESC3>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VIMDESC3>-VIEWNAME = 1.
<VIMDESC3>-MAINTVIEW = 1.
<VIMDESC3>-AREA = 1.
<VIMDESC3>-DEVCLASS = 1.
<VIMDESC3>-TYPE = 1.

ENDLOOP.

LOOP AT IT_VIMDESC3 INTO WA_VIMDESC3.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VIMDESC3-LISTE, sy-vline,
  WA_VIMDESC3-DETAIL, sy-vline,
  WA_VIMDESC3-OCCURS, sy-vline,
  WA_VIMDESC3-CLTCODE, sy-vline,
  WA_VIMDESC3-BASTAB, sy-vline,
  WA_VIMDESC3-NEWGENER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VIMDESC3 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_VIMDESC3 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_VIMDESC3 INTO WA_VIMDESC3.


*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_VIMDESC3_STR, 
VIEWNAME TYPE STRING,
MAINTVIEW TYPE STRING,
AREA TYPE STRING,
DEVCLASS TYPE STRING,
TYPE TYPE STRING,
LISTE TYPE STRING,
DETAIL TYPE STRING,
OCCURS TYPE STRING,
CLTCODE TYPE STRING,
BASTAB TYPE STRING,
NEWGENER TYPE STRING,
GENDATE TYPE STRING,
GENTIME TYPE STRING,
FLAG TYPE STRING,
EXISTENCY TYPE STRING,
SELECTION TYPE STRING,
DDTEXT TYPE STRING,
CLIDEP TYPE STRING,
TEXTCLIDEP TYPE STRING,
KEYLEN TYPE STRING,
TEXTKEYLEN TYPE STRING,
TABLEN TYPE STRING,
TEXTTABLEN TYPE STRING,
MAXTRKEYLN TYPE STRING,
TRGKEYPOS TYPE STRING,
MAXTRTXKLN TYPE STRING,
TRTXGKPOS TYPE STRING,
CUSTOMAUTH TYPE STRING,
AUTHCLASS TYPE STRING,
SUBSETFLAG TYPE STRING,
RDONLYFLAG TYPE STRING,
ADRNBRFLAG TYPE STRING,
USREXIFLAG TYPE STRING,
HIDDENFLAG TYPE STRING,
DELMDTFLAG TYPE STRING,
TEXTTBEXST TYPE STRING,
PTFRKYEXST TYPE STRING,
GENERICTRP TYPE STRING,
GENERTXTRP TYPE STRING,
FIELDORDER TYPE STRING,
TEXTTAB TYPE STRING,
SPRASFIELD TYPE STRING,
SPRASFDPOS TYPE STRING,
ROOTTAB TYPE STRING,
GUI_PROG TYPE STRING,
CURSETTING TYPE STRING,
FRM_BF_SAV TYPE STRING,
FRM_AF_SAV TYPE STRING,
FRM_BF_DEL TYPE STRING,
FRM_AF_DEL TYPE STRING,
FRM_ON_NEW TYPE STRING,
FRM_AF_ORG TYPE STRING,
FRM_BF_RPL TYPE STRING,
FRM_AF_RPL TYPE STRING,
FRM_RP_ORG TYPE STRING,
FRM_RP_GET TYPE STRING,
FRM_RP_UPD TYPE STRING,
FRM_RP_CPL TYPE STRING,
FRM_ON_ORG TYPE STRING,
FRM_E071 TYPE STRING,
FRM_E071KS TYPE STRING,
FRM_E071KA TYPE STRING,
FRM_BF_END TYPE STRING,
FRM_AF_ENQ TYPE STRING,
FRM_BF_UDL TYPE STRING,
FRM_AF_UDL TYPE STRING,
FRM_BF_PRN TYPE STRING,
FRM_AF_CHK TYPE STRING,
FRM_AF_INI TYPE STRING,
FRM_IN_DSS TYPE STRING,
FRM_H_FLDS TYPE STRING,
FRM_RP_POS TYPE STRING,
FRM_TL_GET TYPE STRING,
FRM_TL_ORG TYPE STRING,
FRM_TL_UPD TYPE STRING,
FRM_TLTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VIMDESC3_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_VIMDESC3_STR-VIEWNAME sy-vline 
WA_VIMDESC3_STR-MAINTVIEW sy-vline 
WA_VIMDESC3_STR-AREA sy-vline 
WA_VIMDESC3_STR-DEVCLASS sy-vline 
WA_VIMDESC3_STR-TYPE sy-vline 
WA_VIMDESC3_STR-LISTE sy-vline 
WA_VIMDESC3_STR-DETAIL sy-vline 
WA_VIMDESC3_STR-OCCURS sy-vline 
WA_VIMDESC3_STR-CLTCODE sy-vline 
WA_VIMDESC3_STR-BASTAB sy-vline 
WA_VIMDESC3_STR-NEWGENER sy-vline 
WA_VIMDESC3_STR-GENDATE sy-vline 
WA_VIMDESC3_STR-GENTIME sy-vline 
WA_VIMDESC3_STR-FLAG sy-vline 
WA_VIMDESC3_STR-EXISTENCY sy-vline 
WA_VIMDESC3_STR-SELECTION sy-vline 
WA_VIMDESC3_STR-DDTEXT sy-vline 
WA_VIMDESC3_STR-CLIDEP sy-vline 
WA_VIMDESC3_STR-TEXTCLIDEP sy-vline 
WA_VIMDESC3_STR-KEYLEN sy-vline 
WA_VIMDESC3_STR-TEXTKEYLEN sy-vline 
WA_VIMDESC3_STR-TABLEN sy-vline 
WA_VIMDESC3_STR-TEXTTABLEN sy-vline 
WA_VIMDESC3_STR-MAXTRKEYLN sy-vline 
WA_VIMDESC3_STR-TRGKEYPOS sy-vline 
WA_VIMDESC3_STR-MAXTRTXKLN sy-vline 
WA_VIMDESC3_STR-TRTXGKPOS sy-vline 
WA_VIMDESC3_STR-CUSTOMAUTH sy-vline 
WA_VIMDESC3_STR-AUTHCLASS sy-vline 
WA_VIMDESC3_STR-SUBSETFLAG sy-vline 
WA_VIMDESC3_STR-RDONLYFLAG sy-vline 
WA_VIMDESC3_STR-ADRNBRFLAG sy-vline 
WA_VIMDESC3_STR-USREXIFLAG sy-vline 
WA_VIMDESC3_STR-HIDDENFLAG sy-vline 
WA_VIMDESC3_STR-DELMDTFLAG sy-vline 
WA_VIMDESC3_STR-TEXTTBEXST sy-vline 
WA_VIMDESC3_STR-PTFRKYEXST sy-vline 
WA_VIMDESC3_STR-GENERICTRP sy-vline 
WA_VIMDESC3_STR-GENERTXTRP sy-vline 
WA_VIMDESC3_STR-FIELDORDER sy-vline 
WA_VIMDESC3_STR-TEXTTAB sy-vline 
WA_VIMDESC3_STR-SPRASFIELD sy-vline 
WA_VIMDESC3_STR-SPRASFDPOS sy-vline 
WA_VIMDESC3_STR-ROOTTAB sy-vline 
WA_VIMDESC3_STR-GUI_PROG sy-vline 
WA_VIMDESC3_STR-CURSETTING sy-vline 
WA_VIMDESC3_STR-FRM_BF_SAV sy-vline 
WA_VIMDESC3_STR-FRM_AF_SAV sy-vline 
WA_VIMDESC3_STR-FRM_BF_DEL sy-vline 
WA_VIMDESC3_STR-FRM_AF_DEL sy-vline 
WA_VIMDESC3_STR-FRM_ON_NEW sy-vline 
WA_VIMDESC3_STR-FRM_AF_ORG sy-vline 
WA_VIMDESC3_STR-FRM_BF_RPL sy-vline 
WA_VIMDESC3_STR-FRM_AF_RPL sy-vline 
WA_VIMDESC3_STR-FRM_RP_ORG sy-vline 
WA_VIMDESC3_STR-FRM_RP_GET sy-vline 
WA_VIMDESC3_STR-FRM_RP_UPD sy-vline 
WA_VIMDESC3_STR-FRM_RP_CPL sy-vline 
WA_VIMDESC3_STR-FRM_ON_ORG sy-vline 
WA_VIMDESC3_STR-FRM_E071 sy-vline 
WA_VIMDESC3_STR-FRM_E071KS sy-vline 
WA_VIMDESC3_STR-FRM_E071KA sy-vline 
WA_VIMDESC3_STR-FRM_BF_END sy-vline 
WA_VIMDESC3_STR-FRM_AF_ENQ sy-vline 
WA_VIMDESC3_STR-FRM_BF_UDL sy-vline 
WA_VIMDESC3_STR-FRM_AF_UDL sy-vline 
WA_VIMDESC3_STR-FRM_BF_PRN sy-vline 
WA_VIMDESC3_STR-FRM_AF_CHK sy-vline 
WA_VIMDESC3_STR-FRM_AF_INI sy-vline 
WA_VIMDESC3_STR-FRM_IN_DSS sy-vline 
WA_VIMDESC3_STR-FRM_H_FLDS sy-vline 
WA_VIMDESC3_STR-FRM_RP_POS sy-vline 
WA_VIMDESC3_STR-FRM_TL_GET sy-vline 
WA_VIMDESC3_STR-FRM_TL_ORG sy-vline 
WA_VIMDESC3_STR-FRM_TL_UPD sy-vline 
WA_VIMDESC3_STR-FRM_TLTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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