ABAP Select data from SAP table UJL_LIVEREPORTS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UJL_LIVEREPORTS
*  INTO TABLE @DATA(IT_UJL_LIVEREPORTS2).
*--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_UJL_LIVEREPORTS INDEX 1 INTO DATA(WA_UJL_LIVEREPORTS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UJL_LIVEREPORTS>-MANDT = 1.
<UJL_LIVEREPORTS>-APPSETID = 1.
<UJL_LIVEREPORTS>-ID = 1.
<UJL_LIVEREPORTS>-NAME = 1.
<UJL_LIVEREPORTS>-CREATOR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UJL_LIVEREPORTS-MODIFIER, sy-vline,
  WA_UJL_LIVEREPORTS-CREATEDDATE, sy-vline,
  WA_UJL_LIVEREPORTS-MODIFIEDDATE, sy-vline,
  WA_UJL_LIVEREPORTS-XML, sy-vline,
  WA_UJL_LIVEREPORTS-CHARTDISPLAYTYPE, sy-vline,
  WA_UJL_LIVEREPORTS-APPLICATION_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UJL_LIVEREPORTS 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_UJL_LIVEREPORTS 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_UJL_LIVEREPORTS INTO WA_UJL_LIVEREPORTS.


*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_UJL_LIVEREPORTS_STR, 
MANDT TYPE STRING,
APPSETID TYPE STRING,
ID TYPE STRING,
NAME TYPE STRING,
CREATOR TYPE STRING,
MODIFIER TYPE STRING,
CREATEDDATE TYPE STRING,
MODIFIEDDATE TYPE STRING,
XML TYPE STRING,
CHARTDISPLAYTYPE TYPE STRING,
APPLICATION_ID TYPE STRING,
CAPTION TYPE STRING,
CREATEDTIME TYPE STRING,
MODIFIEDTIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UJL_LIVEREPORTS_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_UJL_LIVEREPORTS_STR-MANDT sy-vline 
WA_UJL_LIVEREPORTS_STR-APPSETID sy-vline 
WA_UJL_LIVEREPORTS_STR-ID sy-vline 
WA_UJL_LIVEREPORTS_STR-NAME sy-vline 
WA_UJL_LIVEREPORTS_STR-CREATOR sy-vline 
WA_UJL_LIVEREPORTS_STR-MODIFIER sy-vline 
WA_UJL_LIVEREPORTS_STR-CREATEDDATE sy-vline 
WA_UJL_LIVEREPORTS_STR-MODIFIEDDATE sy-vline 
WA_UJL_LIVEREPORTS_STR-XML sy-vline 
WA_UJL_LIVEREPORTS_STR-CHARTDISPLAYTYPE sy-vline 
WA_UJL_LIVEREPORTS_STR-APPLICATION_ID sy-vline 
WA_UJL_LIVEREPORTS_STR-CAPTION sy-vline 
WA_UJL_LIVEREPORTS_STR-CREATEDTIME sy-vline 
WA_UJL_LIVEREPORTS_STR-MODIFIEDTIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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