ABAP Select data from SAP table UCS_S_AREA_LP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UCS_S_AREA_LP
*  INTO TABLE @DATA(IT_UCS_S_AREA_LP2).
*--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_UCS_S_AREA_LP INDEX 1 INTO DATA(WA_UCS_S_AREA_LP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UCS_S_AREA_LP>-SUMIND = 1.
<UCS_S_AREA_LP>-LISTTXT = 1.
<UCS_S_AREA_LP>-SUBLIST1 = 1.
<UCS_S_AREA_LP>-SUBLIST2 = 1.
<UCS_S_AREA_LP>-SUBLIST3 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UCS_S_AREA_LP-COUNTER, sy-vline,
  WA_UCS_S_AREA_LP-GROUPTXT, sy-vline,
  WA_UCS_S_AREA_LP-SUBGROUP, sy-vline,
  WA_UCS_S_AREA_LP-COUNTER2, sy-vline,
  WA_UCS_S_AREA_LP-FIELD, sy-vline,
  WA_UCS_S_AREA_LP-VALUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UCS_S_AREA_LP 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_UCS_S_AREA_LP 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_UCS_S_AREA_LP INTO WA_UCS_S_AREA_LP.


*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 DTYPE, internal->external for field DATATYPE
CALL FUNCTION 'CONVERSION_EXIT_DTYPE_OUTPUT'
  EXPORTING
    input =                      WA_UCS_S_AREA_LP-DATATYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UCS_S_AREA_LP-DATATYPE.
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_UCS_S_AREA_LP_STR, 
SUMIND TYPE STRING,
LISTTXT TYPE STRING,
SUBLIST1 TYPE STRING,
SUBLIST2 TYPE STRING,
SUBLIST3 TYPE STRING,
COUNTER TYPE STRING,
GROUPTXT TYPE STRING,
SUBGROUP TYPE STRING,
COUNTER2 TYPE STRING,
FIELD TYPE STRING,
VALUE TYPE STRING,
ATTR TYPE STRING,
ATTRTEXT TYPE STRING,
ATTRDEP TYPE STRING,
SVERSTYPE TYPE STRING,
CHAR2 TYPE STRING,
DATATYPE TYPE STRING,
LENG TYPE STRING,
BASEFLD TYPE STRING,
SCRTEXT_M TYPE STRING,
SCRTEXT_L TYPE STRING,
ORIGIN_ON TYPE STRING,
CONVEXIT TYPE STRING,
ROLE TYPE STRING,
HAS_TEXTT TYPE STRING,
HAS_CHECKT TYPE STRING,
HAS_HIERARCHY TYPE STRING,
OUTPUTLEN TYPE STRING,
ATTRIB TYPE STRING,
ATTRIB_TEXT TYPE STRING,
T_DEP TYPE STRING,
V_DEP TYPE STRING,
TV_DEP TYPE STRING,
AREA_DEP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UCS_S_AREA_LP_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_UCS_S_AREA_LP_STR-SUMIND sy-vline 
WA_UCS_S_AREA_LP_STR-LISTTXT sy-vline 
WA_UCS_S_AREA_LP_STR-SUBLIST1 sy-vline 
WA_UCS_S_AREA_LP_STR-SUBLIST2 sy-vline 
WA_UCS_S_AREA_LP_STR-SUBLIST3 sy-vline 
WA_UCS_S_AREA_LP_STR-COUNTER sy-vline 
WA_UCS_S_AREA_LP_STR-GROUPTXT sy-vline 
WA_UCS_S_AREA_LP_STR-SUBGROUP sy-vline 
WA_UCS_S_AREA_LP_STR-COUNTER2 sy-vline 
WA_UCS_S_AREA_LP_STR-FIELD sy-vline 
WA_UCS_S_AREA_LP_STR-VALUE sy-vline 
WA_UCS_S_AREA_LP_STR-ATTR sy-vline 
WA_UCS_S_AREA_LP_STR-ATTRTEXT sy-vline 
WA_UCS_S_AREA_LP_STR-ATTRDEP sy-vline 
WA_UCS_S_AREA_LP_STR-SVERSTYPE sy-vline 
WA_UCS_S_AREA_LP_STR-CHAR2 sy-vline 
WA_UCS_S_AREA_LP_STR-DATATYPE sy-vline 
WA_UCS_S_AREA_LP_STR-LENG sy-vline 
WA_UCS_S_AREA_LP_STR-BASEFLD sy-vline 
WA_UCS_S_AREA_LP_STR-SCRTEXT_M sy-vline 
WA_UCS_S_AREA_LP_STR-SCRTEXT_L sy-vline 
WA_UCS_S_AREA_LP_STR-ORIGIN_ON sy-vline 
WA_UCS_S_AREA_LP_STR-CONVEXIT sy-vline 
WA_UCS_S_AREA_LP_STR-ROLE sy-vline 
WA_UCS_S_AREA_LP_STR-HAS_TEXTT sy-vline 
WA_UCS_S_AREA_LP_STR-HAS_CHECKT sy-vline 
WA_UCS_S_AREA_LP_STR-HAS_HIERARCHY sy-vline 
WA_UCS_S_AREA_LP_STR-OUTPUTLEN sy-vline 
WA_UCS_S_AREA_LP_STR-ATTRIB sy-vline 
WA_UCS_S_AREA_LP_STR-ATTRIB_TEXT sy-vline 
WA_UCS_S_AREA_LP_STR-T_DEP sy-vline 
WA_UCS_S_AREA_LP_STR-V_DEP sy-vline 
WA_UCS_S_AREA_LP_STR-TV_DEP sy-vline 
WA_UCS_S_AREA_LP_STR-AREA_DEP sy-vline      INTO ld_text SEPARATED BY SPACE.

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