SAP VACESOBJ ABAP Select data from SAP table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VACESOBJ
*  INTO TABLE @DATA(IT_VACESOBJ2).
*--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_VACESOBJ INDEX 1 INTO DATA(WA_VACESOBJ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VACESOBJ>-MANDT = 1.
<VACESOBJ>-COMP = 1.
<VACESOBJ>-BUKRS = 1.
<VACESOBJ>-REF_KEY = 1.
<VACESOBJ>-REF_SUBKEY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VACESOBJ-OBJID, sy-vline,
  WA_VACESOBJ-SUBID, sy-vline,
  WA_VACESOBJ-UNAME, sy-vline,
  WA_VACESOBJ-PREMTRE_FDATE, sy-vline,
  WA_VACESOBJ-STATUS, sy-vline,
  WA_VACESOBJ-XARCHIVED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VACESOBJ 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_VACESOBJ 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_VACESOBJ INTO WA_VACESOBJ.


*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_VACESOBJ_STR, 
MANDT TYPE STRING,
COMP TYPE STRING,
BUKRS TYPE STRING,
REF_KEY TYPE STRING,
REF_SUBKEY TYPE STRING,
OBJID TYPE STRING,
SUBID TYPE STRING,
UNAME TYPE STRING,
PREMTRE_FDATE TYPE STRING,
STATUS TYPE STRING,
XARCHIVED TYPE STRING,
BUS_COMPLTN_DATE TYPE STRING,
TIMESTMP TYPE STRING,
CREATEDBY TYPE STRING,
CREATEDON TYPE STRING,
CREATEDAT TYPE STRING,
CHANGEDBY TYPE STRING,
CHANGEDON TYPE STRING,
CHANGEDAT TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VACESOBJ_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_VACESOBJ_STR-MANDT sy-vline 
WA_VACESOBJ_STR-COMP sy-vline 
WA_VACESOBJ_STR-BUKRS sy-vline 
WA_VACESOBJ_STR-REF_KEY sy-vline 
WA_VACESOBJ_STR-REF_SUBKEY sy-vline 
WA_VACESOBJ_STR-OBJID sy-vline 
WA_VACESOBJ_STR-SUBID sy-vline 
WA_VACESOBJ_STR-UNAME sy-vline 
WA_VACESOBJ_STR-PREMTRE_FDATE sy-vline 
WA_VACESOBJ_STR-STATUS sy-vline 
WA_VACESOBJ_STR-XARCHIVED sy-vline 
WA_VACESOBJ_STR-BUS_COMPLTN_DATE sy-vline 
WA_VACESOBJ_STR-TIMESTMP sy-vline 
WA_VACESOBJ_STR-CREATEDBY sy-vline 
WA_VACESOBJ_STR-CREATEDON sy-vline 
WA_VACESOBJ_STR-CREATEDAT sy-vline 
WA_VACESOBJ_STR-CHANGEDBY sy-vline 
WA_VACESOBJ_STR-CHANGEDON sy-vline 
WA_VACESOBJ_STR-CHANGEDAT sy-vline 
WA_VACESOBJ_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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

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