ABAP Select data from SAP table INFO_UENOT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM INFO_UENOT
*  INTO TABLE @DATA(IT_INFO_UENOT2).
*--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_INFO_UENOT INDEX 1 INTO DATA(WA_INFO_UENOT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<INFO_UENOT>-ENTID = 1.
<INFO_UENOT>-AS4LOCAL = 1.
<INFO_UENOT>-SPRACHE = 1.
<INFO_UENOT>-REF_CLUST = 1.
<INFO_UENOT>-FLG_DEF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_INFO_UENOT-FLG_COM, sy-vline,
  WA_INFO_UENOT-FLG_EXA, sy-vline,
  WA_INFO_UENOT-FLG_VAR, sy-vline,
  WA_INFO_UENOT-FLG_VIEW, sy-vline,
  WA_INFO_UENOT-ZEIT, sy-vline,
  WA_INFO_UENOT-ZEINHT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_INFO_UENOT 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_INFO_UENOT 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_INFO_UENOT INTO WA_INFO_UENOT.


*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 ISOLA, internal->external for field SPRACHE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_INFO_UENOT-SPRACHE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_INFO_UENOT-SPRACHE.
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_INFO_UENOT_STR, 
ENTID TYPE STRING,
AS4LOCAL TYPE STRING,
SPRACHE TYPE STRING,
REF_CLUST TYPE STRING,
FLG_DEF TYPE STRING,
FLG_COM TYPE STRING,
FLG_EXA TYPE STRING,
FLG_VAR TYPE STRING,
FLG_VIEW TYPE STRING,
ZEIT TYPE STRING,
ZEINHT TYPE STRING,
FLG_CUST TYPE STRING,
FSTUSER TYPE STRING,
FSTDATE TYPE STRING,
FSTTIME TYPE STRING,
LSTUSER TYPE STRING,
LSTDATE TYPE STRING,
LSTTIME TYPE STRING,
LOESCHZ TYPE STRING,
LANGBEZ TYPE STRING,
GRAFBEZ TYPE STRING,
DEVCLASS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_INFO_UENOT_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_INFO_UENOT_STR-ENTID sy-vline 
WA_INFO_UENOT_STR-AS4LOCAL sy-vline 
WA_INFO_UENOT_STR-SPRACHE sy-vline 
WA_INFO_UENOT_STR-REF_CLUST sy-vline 
WA_INFO_UENOT_STR-FLG_DEF sy-vline 
WA_INFO_UENOT_STR-FLG_COM sy-vline 
WA_INFO_UENOT_STR-FLG_EXA sy-vline 
WA_INFO_UENOT_STR-FLG_VAR sy-vline 
WA_INFO_UENOT_STR-FLG_VIEW sy-vline 
WA_INFO_UENOT_STR-ZEIT sy-vline 
WA_INFO_UENOT_STR-ZEINHT sy-vline 
WA_INFO_UENOT_STR-FLG_CUST sy-vline 
WA_INFO_UENOT_STR-FSTUSER sy-vline 
WA_INFO_UENOT_STR-FSTDATE sy-vline 
WA_INFO_UENOT_STR-FSTTIME sy-vline 
WA_INFO_UENOT_STR-LSTUSER sy-vline 
WA_INFO_UENOT_STR-LSTDATE sy-vline 
WA_INFO_UENOT_STR-LSTTIME sy-vline 
WA_INFO_UENOT_STR-LOESCHZ sy-vline 
WA_INFO_UENOT_STR-LANGBEZ sy-vline 
WA_INFO_UENOT_STR-GRAFBEZ sy-vline 
WA_INFO_UENOT_STR-DEVCLASS sy-vline      INTO ld_text SEPARATED BY SPACE.

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