ABAP Select data from SAP table VIXCFRSRULOG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VIXCFRSRULOG
*  INTO TABLE @DATA(IT_VIXCFRSRULOG2).
*--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_VIXCFRSRULOG INDEX 1 INTO DATA(WA_VIXCFRSRULOG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VIXCFRSRULOG>-MANDT = 1.
<VIXCFRSRULOG>-BUKRS = 1.
<VIXCFRSRULOG>-BELNR = 1.
<VIXCFRSRULOG>-GJAHR = 1.
<VIXCFRSRULOG>-INTRENO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VIXCFRSRULOG-PROCESSGUID, sy-vline,
  WA_VIXCFRSRULOG-PROCESS, sy-vline,
  WA_VIXCFRSRULOG-PROCESSID, sy-vline,
  WA_VIXCFRSRULOG-BELNR_NEW, sy-vline,
  WA_VIXCFRSRULOG-GJAHR_NEW, sy-vline,
  WA_VIXCFRSRULOG-BELNR_REV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VIXCFRSRULOG 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_VIXCFRSRULOG 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_VIXCFRSRULOG INTO WA_VIXCFRSRULOG.


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

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

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

*Conversion exit GJAHR, internal->external for field GJAHR_NEW
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_VIXCFRSRULOG-GJAHR_NEW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIXCFRSRULOG-GJAHR_NEW.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field GJAHR_REV
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_VIXCFRSRULOG-GJAHR_REV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIXCFRSRULOG-GJAHR_REV.
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_VIXCFRSRULOG_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
INTRENO TYPE STRING,
PROCESSGUID TYPE STRING,
PROCESS TYPE STRING,
PROCESSID TYPE STRING,
BELNR_NEW TYPE STRING,
GJAHR_NEW TYPE STRING,
BELNR_REV TYPE STRING,
GJAHR_REV TYPE STRING,
TRANS TYPE STRING,
BUDAT TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VIXCFRSRULOG_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_VIXCFRSRULOG_STR-MANDT sy-vline 
WA_VIXCFRSRULOG_STR-BUKRS sy-vline 
WA_VIXCFRSRULOG_STR-BELNR sy-vline 
WA_VIXCFRSRULOG_STR-GJAHR sy-vline 
WA_VIXCFRSRULOG_STR-INTRENO sy-vline 
WA_VIXCFRSRULOG_STR-PROCESSGUID sy-vline 
WA_VIXCFRSRULOG_STR-PROCESS sy-vline 
WA_VIXCFRSRULOG_STR-PROCESSID sy-vline 
WA_VIXCFRSRULOG_STR-BELNR_NEW sy-vline 
WA_VIXCFRSRULOG_STR-GJAHR_NEW sy-vline 
WA_VIXCFRSRULOG_STR-BELNR_REV sy-vline 
WA_VIXCFRSRULOG_STR-GJAHR_REV sy-vline 
WA_VIXCFRSRULOG_STR-TRANS sy-vline 
WA_VIXCFRSRULOG_STR-BUDAT sy-vline 
WA_VIXCFRSRULOG_STR-RERF sy-vline 
WA_VIXCFRSRULOG_STR-DERF sy-vline 
WA_VIXCFRSRULOG_STR-TERF sy-vline 
WA_VIXCFRSRULOG_STR-REHER sy-vline 
WA_VIXCFRSRULOG_STR-RBEAR sy-vline 
WA_VIXCFRSRULOG_STR-DBEAR sy-vline 
WA_VIXCFRSRULOG_STR-TBEAR sy-vline 
WA_VIXCFRSRULOG_STR-RBHER sy-vline      INTO ld_text SEPARATED BY SPACE.

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