ABAP Select data from SAP table VIBDROOCC_TAB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VIBDROOCC_TAB
*  INTO TABLE @DATA(IT_VIBDROOCC_TAB2).
*--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_VIBDROOCC_TAB INDEX 1 INTO DATA(WA_VIBDROOCC_TAB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VIBDROOCC_TAB>-OBJNR = 1.
<VIBDROOCC_TAB>-OCCTO = 1.
<VIBDROOCC_TAB>-VACREASON = 1.
<VIBDROOCC_TAB>-ISVACANT = 1.
<VIBDROOCC_TAB>-BUKRS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VIBDROOCC_TAB-SWENR, sy-vline,
  WA_VIBDROOCC_TAB-SMENR, sy-vline,
  WA_VIBDROOCC_TAB-ROTYPE, sy-vline,
  WA_VIBDROOCC_TAB-USAGETYPE, sy-vline,
  WA_VIBDROOCC_TAB-XMETXT, sy-vline,
  WA_VIBDROOCC_TAB-PSNO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VIBDROOCC_TAB 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_VIBDROOCC_TAB 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_VIBDROOCC_TAB INTO WA_VIBDROOCC_TAB.


*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 REDAT, internal->external for field OCCTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_VIBDROOCC_TAB-OCCTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIBDROOCC_TAB-OCCTO.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit SMENR, internal->external for field PSNO
CALL FUNCTION 'CONVERSION_EXIT_SMENR_OUTPUT'
  EXPORTING
    input =                      WA_VIBDROOCC_TAB-PSNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIBDROOCC_TAB-PSNO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit REDAT, internal->external for field RNENDMAX
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_VIBDROOCC_TAB-RNENDMAX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIBDROOCC_TAB-RNENDMAX.
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_VIBDROOCC_TAB_STR, 
OBJNR TYPE STRING,
OCCTO TYPE STRING,
VACREASON TYPE STRING,
ISVACANT TYPE STRING,
BUKRS TYPE STRING,
SWENR TYPE STRING,
SMENR TYPE STRING,
ROTYPE TYPE STRING,
USAGETYPE TYPE STRING,
XMETXT TYPE STRING,
PSNO TYPE STRING,
VACINFLRENTAL TYPE STRING,
RNINFLRENTAL TYPE STRING,
TERMNOVAC TYPE STRING,
OCCCNBUKRS TYPE STRING,
OCCRECNNR TYPE STRING,
RESCNBUKRS TYPE STRING,
RESRECNNR TYPE STRING,
OFID TYPE STRING,
RNNOTDATE TYPE STRING,
RNENDMAX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VIBDROOCC_TAB_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_VIBDROOCC_TAB_STR-OBJNR sy-vline 
WA_VIBDROOCC_TAB_STR-OCCTO sy-vline 
WA_VIBDROOCC_TAB_STR-VACREASON sy-vline 
WA_VIBDROOCC_TAB_STR-ISVACANT sy-vline 
WA_VIBDROOCC_TAB_STR-BUKRS sy-vline 
WA_VIBDROOCC_TAB_STR-SWENR sy-vline 
WA_VIBDROOCC_TAB_STR-SMENR sy-vline 
WA_VIBDROOCC_TAB_STR-ROTYPE sy-vline 
WA_VIBDROOCC_TAB_STR-USAGETYPE sy-vline 
WA_VIBDROOCC_TAB_STR-XMETXT sy-vline 
WA_VIBDROOCC_TAB_STR-PSNO sy-vline 
WA_VIBDROOCC_TAB_STR-VACINFLRENTAL sy-vline 
WA_VIBDROOCC_TAB_STR-RNINFLRENTAL sy-vline 
WA_VIBDROOCC_TAB_STR-TERMNOVAC sy-vline 
WA_VIBDROOCC_TAB_STR-OCCCNBUKRS sy-vline 
WA_VIBDROOCC_TAB_STR-OCCRECNNR sy-vline 
WA_VIBDROOCC_TAB_STR-RESCNBUKRS sy-vline 
WA_VIBDROOCC_TAB_STR-RESRECNNR sy-vline 
WA_VIBDROOCC_TAB_STR-OFID sy-vline 
WA_VIBDROOCC_TAB_STR-RNNOTDATE sy-vline 
WA_VIBDROOCC_TAB_STR-RNENDMAX sy-vline      INTO ld_text SEPARATED BY SPACE.

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