ABAP Select data from SAP table PRU_LEGAL_PROPERTIES_SCREEN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRU_LEGAL_PROPERTIES_SCREEN
*  INTO TABLE @DATA(IT_PRU_LEGAL_PROPERTIES_SCREEN2).
*--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_PRU_LEGAL_PROPERTIES_SCREEN INDEX 1 INTO DATA(WA_PRU_LEGAL_PROPERTIES_SCREEN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRU_LEGAL_PROPERTIES_SCREEN>-GPVAL = 1.
<PRU_LEGAL_PROPERTIES_SCREEN>-CONT01 = 1.
<PRU_LEGAL_PROPERTIES_SCREEN>-PERN01 = 1.
<PRU_LEGAL_PROPERTIES_SCREEN>-STEL01 = 1.
<PRU_LEGAL_PROPERTIES_SCREEN>-LNAM01 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRU_LEGAL_PROPERTIES_SCREEN-FNAM01, sy-vline,
  WA_PRU_LEGAL_PROPERTIES_SCREEN-MNAM01, sy-vline,
  WA_PRU_LEGAL_PROPERTIES_SCREEN-TELN01, sy-vline,
  WA_PRU_LEGAL_PROPERTIES_SCREEN-MAIL01, sy-vline,
  WA_PRU_LEGAL_PROPERTIES_SCREEN-CONT02, sy-vline,
  WA_PRU_LEGAL_PROPERTIES_SCREEN-PERN02, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRU_LEGAL_PROPERTIES_SCREEN 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_PRU_LEGAL_PROPERTIES_SCREEN 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_PRU_LEGAL_PROPERTIES_SCREEN INTO WA_PRU_LEGAL_PROPERTIES_SCREEN.


*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_PRU_LEGAL_PROPERTIES_SCREEN_STR, 
GPVAL TYPE STRING,
CONT01 TYPE STRING,
PERN01 TYPE STRING,
STEL01 TYPE STRING,
LNAM01 TYPE STRING,
FNAM01 TYPE STRING,
MNAM01 TYPE STRING,
TELN01 TYPE STRING,
MAIL01 TYPE STRING,
CONT02 TYPE STRING,
PERN02 TYPE STRING,
STEL02 TYPE STRING,
LNAM02 TYPE STRING,
FNAM02 TYPE STRING,
MNAM02 TYPE STRING,
TELN02 TYPE STRING,
MAIL02 TYPE STRING,
CONT03 TYPE STRING,
PERN03 TYPE STRING,
STEL03 TYPE STRING,
LNAM03 TYPE STRING,
FNAM03 TYPE STRING,
MNAM03 TYPE STRING,
TELN03 TYPE STRING,
MAIL03 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRU_LEGAL_PROPERTIES_SCREEN_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_PRU_LEGAL_PROPERTIES_SCREEN_STR-GPVAL sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-CONT01 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-PERN01 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-STEL01 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-LNAM01 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-FNAM01 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-MNAM01 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-TELN01 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-MAIL01 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-CONT02 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-PERN02 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-STEL02 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-LNAM02 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-FNAM02 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-MNAM02 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-TELN02 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-MAIL02 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-CONT03 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-PERN03 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-STEL03 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-LNAM03 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-FNAM03 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-MNAM03 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-TELN03 sy-vline 
WA_PRU_LEGAL_PROPERTIES_SCREEN_STR-MAIL03 sy-vline      INTO ld_text SEPARATED BY SPACE.

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