ABAP Select data from SAP table UCF_S_VALCHECK_LP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP UCF_S_VALCHECK_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 UCF_S_VALCHECK_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 UCF_S_VALCHECK_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_UCF_S_VALCHECK_LP TYPE STANDARD TABLE OF UCF_S_VALCHECK_LP,
      WA_UCF_S_VALCHECK_LP TYPE UCF_S_VALCHECK_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: <UCF_S_VALCHECK_LP> TYPE UCF_S_VALCHECK_LP.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UCF_S_VALCHECK_LP
*  INTO TABLE @DATA(IT_UCF_S_VALCHECK_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_UCF_S_VALCHECK_LP INDEX 1 INTO DATA(WA_UCF_S_VALCHECK_LP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UCF_S_VALCHECK_LP>-LISTTXT = 1.
<UCF_S_VALCHECK_LP>-CHECK_SEQNR = 1.
<UCF_S_VALCHECK_LP>-CHECK_NAME1 = 1.
<UCF_S_VALCHECK_LP>-CHECK_TXT1 = 1.
<UCF_S_VALCHECK_LP>-CHECK_TXT1L = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UCF_S_VALCHECK_LP-SUBLIST1, sy-vline,
  WA_UCF_S_VALCHECK_LP-SUBLIST2, sy-vline,
  WA_UCF_S_VALCHECK_LP-SUBLIST3, sy-vline,
  WA_UCF_S_VALCHECK_LP-SUBLIST4, sy-vline,
  WA_UCF_S_VALCHECK_LP-SEQNR_LIST, sy-vline,
  WA_UCF_S_VALCHECK_LP-SELCOND_NODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UCF_S_VALCHECK_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_UCF_S_VALCHECK_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_UCF_S_VALCHECK_LP INTO WA_UCF_S_VALCHECK_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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_UCF_S_VALCHECK_LP_STR, 
LISTTXT TYPE STRING,
CHECK_SEQNR TYPE STRING,
CHECK_NAME1 TYPE STRING,
CHECK_TXT1 TYPE STRING,
CHECK_TXT1L TYPE STRING,
SUBLIST1 TYPE STRING,
SUBLIST2 TYPE STRING,
SUBLIST3 TYPE STRING,
SUBLIST4 TYPE STRING,
SEQNR_LIST TYPE STRING,
SELCOND_NODE TYPE STRING,
SELCOND_NAME TYPE STRING,
SEL_FIELDNAME TYPE STRING,
SEL_FIELD_TXT TYPE STRING,
SEL_LOW TYPE STRING,
SEL_LOW_TXT TYPE STRING,
SEL_HIGH TYPE STRING,
SEL_HIGH_TXT TYPE STRING,
SEL_AREA TYPE STRING,
SEL_SISEL TYPE STRING,
SEL_SET_TXT TYPE STRING,
SEL_SETLINE_TXT TYPE STRING,
SEL_ICON TYPE STRING,
SEL_ATTR TYPE STRING,
SEL_ATTR_TXT TYPE STRING,
SEL_NODE TYPE STRING,
SEL_NODE_TXT TYPE STRING,
SEL_SEQNR TYPE STRING,
SEL_SISEL_SEQNR TYPE STRING,
SEL_CROSS_FLG TYPE STRING,
SEL_SELID TYPE STRING,
FORMULA_SEQNR TYPE STRING,
FORMULA_TXT TYPE STRING,
MSGINDEX TYPE STRING,
FIELDLIST_TXT TYPE STRING,
ATTRIBUTE_TXT TYPE STRING,
MSG_NUMBER TYPE STRING,
MSG_FIELDNAME TYPE STRING,
MSG_ATTRIBUTE TYPE STRING,
SETTINGS_FIELD TYPE STRING,
SETTINGS_VALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UCF_S_VALCHECK_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_UCF_S_VALCHECK_LP_STR-LISTTXT sy-vline 
WA_UCF_S_VALCHECK_LP_STR-CHECK_SEQNR sy-vline 
WA_UCF_S_VALCHECK_LP_STR-CHECK_NAME1 sy-vline 
WA_UCF_S_VALCHECK_LP_STR-CHECK_TXT1 sy-vline 
WA_UCF_S_VALCHECK_LP_STR-CHECK_TXT1L sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SUBLIST1 sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SUBLIST2 sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SUBLIST3 sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SUBLIST4 sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEQNR_LIST sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SELCOND_NODE sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SELCOND_NAME sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_FIELDNAME sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_FIELD_TXT sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_LOW sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_LOW_TXT sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_HIGH sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_HIGH_TXT sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_AREA sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_SISEL sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_SET_TXT sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_SETLINE_TXT sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_ICON sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_ATTR sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_ATTR_TXT sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_NODE sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_NODE_TXT sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_SEQNR sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_SISEL_SEQNR sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_CROSS_FLG sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SEL_SELID sy-vline 
WA_UCF_S_VALCHECK_LP_STR-FORMULA_SEQNR sy-vline 
WA_UCF_S_VALCHECK_LP_STR-FORMULA_TXT sy-vline 
WA_UCF_S_VALCHECK_LP_STR-MSGINDEX sy-vline 
WA_UCF_S_VALCHECK_LP_STR-FIELDLIST_TXT sy-vline 
WA_UCF_S_VALCHECK_LP_STR-ATTRIBUTE_TXT sy-vline 
WA_UCF_S_VALCHECK_LP_STR-MSG_NUMBER sy-vline 
WA_UCF_S_VALCHECK_LP_STR-MSG_FIELDNAME sy-vline 
WA_UCF_S_VALCHECK_LP_STR-MSG_ATTRIBUTE sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SETTINGS_FIELD sy-vline 
WA_UCF_S_VALCHECK_LP_STR-SETTINGS_VALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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