ABAP Select data from SAP table PRUCPL10_PERSON into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PRUCPL10_PERSON 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 PRUCPL10_PERSON. 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 PRUCPL10_PERSON 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_PRUCPL10_PERSON TYPE STANDARD TABLE OF PRUCPL10_PERSON,
      WA_PRUCPL10_PERSON TYPE PRUCPL10_PERSON,
      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: <PRUCPL10_PERSON> TYPE PRUCPL10_PERSON.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PRUCPL10_PERSON.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PRUCPL10_PERSON
  INTO TABLE IT_PRUCPL10_PERSON.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRUCPL10_PERSON
*  INTO TABLE @DATA(IT_PRUCPL10_PERSON2).
*--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_PRUCPL10_PERSON INDEX 1 INTO DATA(WA_PRUCPL10_PERSON2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PRUCPL10_PERSON ASSIGNING <PRUCPL10_PERSON>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRUCPL10_PERSON>-PERNR = 1.
<PRUCPL10_PERSON>-NAME = 1.
<PRUCPL10_PERSON>-NACHN = 1.
<PRUCPL10_PERSON>-VORNA = 1.
<PRUCPL10_PERSON>-MIDNM = 1.

ENDLOOP.

LOOP AT IT_PRUCPL10_PERSON INTO WA_PRUCPL10_PERSON.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRUCPL10_PERSON-PAREA, sy-vline,
  WA_PRUCPL10_PERSON-PSARE, sy-vline,
  WA_PRUCPL10_PERSON-PGRUP, sy-vline,
  WA_PRUCPL10_PERSON-PSGRP, sy-vline,
  WA_PRUCPL10_PERSON-PERID, sy-vline,
  WA_PRUCPL10_PERSON-NODE_KEY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRUCPL10_PERSON 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_PRUCPL10_PERSON 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_PRUCPL10_PERSON INTO WA_PRUCPL10_PERSON.


*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_PRUCPL10_PERSON_STR, 
PERNR TYPE STRING,
NAME TYPE STRING,
NACHN TYPE STRING,
VORNA TYPE STRING,
MIDNM TYPE STRING,
PAREA TYPE STRING,
PSARE TYPE STRING,
PGRUP TYPE STRING,
PSGRP TYPE STRING,
PERID TYPE STRING,
NODE_KEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRUCPL10_PERSON_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_PRUCPL10_PERSON_STR-PERNR sy-vline 
WA_PRUCPL10_PERSON_STR-NAME sy-vline 
WA_PRUCPL10_PERSON_STR-NACHN sy-vline 
WA_PRUCPL10_PERSON_STR-VORNA sy-vline 
WA_PRUCPL10_PERSON_STR-MIDNM sy-vline 
WA_PRUCPL10_PERSON_STR-PAREA sy-vline 
WA_PRUCPL10_PERSON_STR-PSARE sy-vline 
WA_PRUCPL10_PERSON_STR-PGRUP sy-vline 
WA_PRUCPL10_PERSON_STR-PSGRP sy-vline 
WA_PRUCPL10_PERSON_STR-PERID sy-vline 
WA_PRUCPL10_PERSON_STR-NODE_KEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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