ABAP Select data from SAP table VIOB01_IP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VIOB01_IP 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 VIOB01_IP. 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 VIOB01_IP 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_VIOB01_IP TYPE STANDARD TABLE OF VIOB01_IP,
      WA_VIOB01_IP TYPE VIOB01_IP,
      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: <VIOB01_IP> TYPE VIOB01_IP.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VIOB01_IP.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VIOB01_IP
  INTO TABLE IT_VIOB01_IP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VIOB01_IP
*  INTO TABLE @DATA(IT_VIOB01_IP2).
*--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_VIOB01_IP INDEX 1 INTO DATA(WA_VIOB01_IP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VIOB01_IP ASSIGNING <VIOB01_IP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VIOB01_IP>-BUKRS = 1.
<VIOB01_IP>-SWENR = 1.
<VIOB01_IP>-GSBER = 1.
<VIOB01_IP>-SINSTBEZ = 1.
<VIOB01_IP>-SVERKEHR = 1.

ENDLOOP.

LOOP AT IT_VIOB01_IP INTO WA_VIOB01_IP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VIOB01_IP-XWETEXT, sy-vline,
  WA_VIOB01_IP-SLAGEWE, sy-vline,
  WA_VIOB01_IP-SOBJLAGE, sy-vline,
  WA_VIOB01_IP-SMIETSP, sy-vline,
  WA_VIOB01_IP-RARTOPT, sy-vline,
  WA_VIOB01_IP-FEINS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VIOB01_IP 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_VIOB01_IP 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_VIOB01_IP INTO WA_VIOB01_IP.


*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 SWENR, internal->external for field SWENR
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_VIOB01_IP-SWENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIOB01_IP-SWENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field FEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VIOB01_IP-FEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIOB01_IP-FEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field REINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VIOB01_IP-REINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIOB01_IP-REINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VVLEN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VIOB01_IP-VVLEN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIOB01_IP-VVLEN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIOB01_IP-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIOB01_IP-PRCTR.
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_VIOB01_IP_STR, 
BUKRS TYPE STRING,
SWENR TYPE STRING,
GSBER TYPE STRING,
SINSTBEZ TYPE STRING,
SVERKEHR TYPE STRING,
XWETEXT TYPE STRING,
SLAGEWE TYPE STRING,
SOBJLAGE TYPE STRING,
SMIETSP TYPE STRING,
RARTOPT TYPE STRING,
FEINS TYPE STRING,
REINS TYPE STRING,
SMIETR TYPE STRING,
VORBK TYPE STRING,
VORHK TYPE STRING,
VVLEN TYPE STRING,
RFAKT TYPE STRING,
PRCTR TYPE STRING,
SSTDORT TYPE STRING,
TXJCD TYPE STRING,
BERGRP TYPE STRING,
XNOTPL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VIOB01_IP_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_VIOB01_IP_STR-BUKRS sy-vline 
WA_VIOB01_IP_STR-SWENR sy-vline 
WA_VIOB01_IP_STR-GSBER sy-vline 
WA_VIOB01_IP_STR-SINSTBEZ sy-vline 
WA_VIOB01_IP_STR-SVERKEHR sy-vline 
WA_VIOB01_IP_STR-XWETEXT sy-vline 
WA_VIOB01_IP_STR-SLAGEWE sy-vline 
WA_VIOB01_IP_STR-SOBJLAGE sy-vline 
WA_VIOB01_IP_STR-SMIETSP sy-vline 
WA_VIOB01_IP_STR-RARTOPT sy-vline 
WA_VIOB01_IP_STR-FEINS sy-vline 
WA_VIOB01_IP_STR-REINS sy-vline 
WA_VIOB01_IP_STR-SMIETR sy-vline 
WA_VIOB01_IP_STR-VORBK sy-vline 
WA_VIOB01_IP_STR-VORHK sy-vline 
WA_VIOB01_IP_STR-VVLEN sy-vline 
WA_VIOB01_IP_STR-RFAKT sy-vline 
WA_VIOB01_IP_STR-PRCTR sy-vline 
WA_VIOB01_IP_STR-SSTDORT sy-vline 
WA_VIOB01_IP_STR-TXJCD sy-vline 
WA_VIOB01_IP_STR-BERGRP sy-vline 
WA_VIOB01_IP_STR-XNOTPL sy-vline      INTO ld_text SEPARATED BY SPACE.

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