ABAP Select data from SAP table VGEOOBJLOC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VGEOOBJLOC
*  INTO TABLE @DATA(IT_VGEOOBJLOC2).
*--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_VGEOOBJLOC INDEX 1 INTO DATA(WA_VGEOOBJLOC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VGEOOBJLOC>-CLIENT = 1.
<VGEOOBJLOC>-GUIDOBJR = 1.
<VGEOOBJLOC>-OBJKEY = 1.
<VGEOOBJLOC>-OBJTYPE = 1.
<VGEOOBJLOC>-OBJSUBTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VGEOOBJLOC-LOGSYS, sy-vline,
  WA_VGEOOBJLOC-EXTID, sy-vline,
  WA_VGEOOBJLOC-CREATEDOBJR, sy-vline,
  WA_VGEOOBJLOC-CREATEDBYOBJR, sy-vline,
  WA_VGEOOBJLOC-CHANGEDOBJR, sy-vline,
  WA_VGEOOBJLOC-CHANGEDBYOBJR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VGEOOBJLOC 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_VGEOOBJLOC 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_VGEOOBJLOC INTO WA_VGEOOBJLOC.


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

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

*Conversion exit ALPHA, internal->external for field ADDRLOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VGEOOBJLOC-ADDRLOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VGEOOBJLOC-ADDRLOGSYS.
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_VGEOOBJLOC_STR, 
CLIENT TYPE STRING,
GUIDOBJR TYPE STRING,
OBJKEY TYPE STRING,
OBJTYPE TYPE STRING,
OBJSUBTYPE TYPE STRING,
LOGSYS TYPE STRING,
EXTID TYPE STRING,
CREATEDOBJR TYPE STRING,
CREATEDBYOBJR TYPE STRING,
CHANGEDOBJR TYPE STRING,
CHANGEDBYOBJR TYPE STRING,
GUIDLOC TYPE STRING,
LONGITUDE TYPE STRING,
LATITUDE TYPE STRING,
ALTITUDE TYPE STRING,
SRCID TYPE STRING,
SRCTSTMP TYPE STRING,
PRECISID TYPE STRING,
TZONE TYPE STRING,
CREATEDLOC TYPE STRING,
CREATEDBYLOC TYPE STRING,
CHANGEDLOC TYPE STRING,
CHANGEDBYLOC TYPE STRING,
ADDRNUMBER TYPE STRING,
ADDRLOGSYS TYPE STRING,
ADDRGUID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VGEOOBJLOC_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_VGEOOBJLOC_STR-CLIENT sy-vline 
WA_VGEOOBJLOC_STR-GUIDOBJR sy-vline 
WA_VGEOOBJLOC_STR-OBJKEY sy-vline 
WA_VGEOOBJLOC_STR-OBJTYPE sy-vline 
WA_VGEOOBJLOC_STR-OBJSUBTYPE sy-vline 
WA_VGEOOBJLOC_STR-LOGSYS sy-vline 
WA_VGEOOBJLOC_STR-EXTID sy-vline 
WA_VGEOOBJLOC_STR-CREATEDOBJR sy-vline 
WA_VGEOOBJLOC_STR-CREATEDBYOBJR sy-vline 
WA_VGEOOBJLOC_STR-CHANGEDOBJR sy-vline 
WA_VGEOOBJLOC_STR-CHANGEDBYOBJR sy-vline 
WA_VGEOOBJLOC_STR-GUIDLOC sy-vline 
WA_VGEOOBJLOC_STR-LONGITUDE sy-vline 
WA_VGEOOBJLOC_STR-LATITUDE sy-vline 
WA_VGEOOBJLOC_STR-ALTITUDE sy-vline 
WA_VGEOOBJLOC_STR-SRCID sy-vline 
WA_VGEOOBJLOC_STR-SRCTSTMP sy-vline 
WA_VGEOOBJLOC_STR-PRECISID sy-vline 
WA_VGEOOBJLOC_STR-TZONE sy-vline 
WA_VGEOOBJLOC_STR-CREATEDLOC sy-vline 
WA_VGEOOBJLOC_STR-CREATEDBYLOC sy-vline 
WA_VGEOOBJLOC_STR-CHANGEDLOC sy-vline 
WA_VGEOOBJLOC_STR-CHANGEDBYLOC sy-vline 
WA_VGEOOBJLOC_STR-ADDRNUMBER sy-vline 
WA_VGEOOBJLOC_STR-ADDRLOGSYS sy-vline 
WA_VGEOOBJLOC_STR-ADDRGUID sy-vline      INTO ld_text SEPARATED BY SPACE.

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