ABAP Select data from SAP table UCWB_TR_CUST_ALL_LP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP UCWB_TR_CUST_ALL_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 UCWB_TR_CUST_ALL_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 UCWB_TR_CUST_ALL_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_UCWB_TR_CUST_ALL_LP TYPE STANDARD TABLE OF UCWB_TR_CUST_ALL_LP,
      WA_UCWB_TR_CUST_ALL_LP TYPE UCWB_TR_CUST_ALL_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: <UCWB_TR_CUST_ALL_LP> TYPE UCWB_TR_CUST_ALL_LP.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UCWB_TR_CUST_ALL_LP
*  INTO TABLE @DATA(IT_UCWB_TR_CUST_ALL_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_UCWB_TR_CUST_ALL_LP INDEX 1 INTO DATA(WA_UCWB_TR_CUST_ALL_LP2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UCWB_TR_CUST_ALL_LP-TXTLG, sy-vline,
  WA_UCWB_TR_CUST_ALL_LP-PGMID, sy-vline,
  WA_UCWB_TR_CUST_ALL_LP-OBJECT, sy-vline,
  WA_UCWB_TR_CUST_ALL_LP-MASTERTYPE, sy-vline,
  WA_UCWB_TR_CUST_ALL_LP-MASTERNAME, sy-vline,
  WA_UCWB_TR_CUST_ALL_LP-TABKEY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UCWB_TR_CUST_ALL_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_UCWB_TR_CUST_ALL_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_UCWB_TR_CUST_ALL_LP INTO WA_UCWB_TR_CUST_ALL_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_UCWB_TR_CUST_ALL_LP_STR, 
SUMIND TYPE STRING,
SUBLIST1 TYPE STRING,
SUBLIST2 TYPE STRING,
SUBLIST3 TYPE STRING,
SEQNR TYPE STRING,
TXTLG TYPE STRING,
PGMID TYPE STRING,
OBJECT TYPE STRING,
MASTERTYPE TYPE STRING,
MASTERNAME TYPE STRING,
TABKEY TYPE STRING,
FIELDNAME TYPE STRING,
SIGN TYPE STRING,
OPTION TYPE STRING,
LOW TYPE STRING,
HIGH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UCWB_TR_CUST_ALL_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_UCWB_TR_CUST_ALL_LP_STR-SUMIND sy-vline 
WA_UCWB_TR_CUST_ALL_LP_STR-SUBLIST1 sy-vline 
WA_UCWB_TR_CUST_ALL_LP_STR-SUBLIST2 sy-vline 
WA_UCWB_TR_CUST_ALL_LP_STR-SUBLIST3 sy-vline 
WA_UCWB_TR_CUST_ALL_LP_STR-SEQNR sy-vline 
WA_UCWB_TR_CUST_ALL_LP_STR-TXTLG sy-vline 
WA_UCWB_TR_CUST_ALL_LP_STR-PGMID sy-vline 
WA_UCWB_TR_CUST_ALL_LP_STR-OBJECT sy-vline 
WA_UCWB_TR_CUST_ALL_LP_STR-MASTERTYPE sy-vline 
WA_UCWB_TR_CUST_ALL_LP_STR-MASTERNAME sy-vline 
WA_UCWB_TR_CUST_ALL_LP_STR-TABKEY sy-vline 
WA_UCWB_TR_CUST_ALL_LP_STR-FIELDNAME sy-vline 
WA_UCWB_TR_CUST_ALL_LP_STR-SIGN sy-vline 
WA_UCWB_TR_CUST_ALL_LP_STR-OPTION sy-vline 
WA_UCWB_TR_CUST_ALL_LP_STR-LOW sy-vline 
WA_UCWB_TR_CUST_ALL_LP_STR-HIGH sy-vline      INTO ld_text SEPARATED BY SPACE.

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