ABAP Select data from SAP table P08P_HESA_NISR_PERSON into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P08P_HESA_NISR_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 P08P_HESA_NISR_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 P08P_HESA_NISR_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_P08P_HESA_NISR_PERSON TYPE STANDARD TABLE OF P08P_HESA_NISR_PERSON,
      WA_P08P_HESA_NISR_PERSON TYPE P08P_HESA_NISR_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: <P08P_HESA_NISR_PERSON> TYPE P08P_HESA_NISR_PERSON.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P08P_HESA_NISR_PERSON.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P08P_HESA_NISR_PERSON
  INTO TABLE IT_P08P_HESA_NISR_PERSON.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P08P_HESA_NISR_PERSON
*  INTO TABLE @DATA(IT_P08P_HESA_NISR_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_P08P_HESA_NISR_PERSON INDEX 1 INTO DATA(WA_P08P_HESA_NISR_PERSON2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P08P_HESA_NISR_PERSON ASSIGNING <P08P_HESA_NISR_PERSON>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P08P_HESA_NISR_PERSON>-RECID = 1.
<P08P_HESA_NISR_PERSON>-INSTID = 1.
<P08P_HESA_NISR_PERSON>-STAFFID = 1.
<P08P_HESA_NISR_PERSON>-BIRTHDATE = 1.
<P08P_HESA_NISR_PERSON>-GENDER = 1.

ENDLOOP.

LOOP AT IT_P08P_HESA_NISR_PERSON INTO WA_P08P_HESA_NISR_PERSON.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P08P_HESA_NISR_PERSON-NATION, sy-vline,
  WA_P08P_HESA_NISR_PERSON-ETHNIC, sy-vline,
  WA_P08P_HESA_NISR_PERSON-NATID1, sy-vline,
  WA_P08P_HESA_NISR_PERSON-NATID2, sy-vline,
  WA_P08P_HESA_NISR_PERSON-DISABLE, sy-vline,
  WA_P08P_HESA_NISR_PERSON-DATEHEI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P08P_HESA_NISR_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_P08P_HESA_NISR_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_P08P_HESA_NISR_PERSON INTO WA_P08P_HESA_NISR_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.

*Conversion exit PDATE, internal->external for field BIRTHDATE
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_P08P_HESA_NISR_PERSON-BIRTHDATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P08P_HESA_NISR_PERSON-BIRTHDATE.
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_P08P_HESA_NISR_PERSON_STR, 
RECID TYPE STRING,
INSTID TYPE STRING,
STAFFID TYPE STRING,
BIRTHDATE TYPE STRING,
GENDER TYPE STRING,
NATION TYPE STRING,
ETHNIC TYPE STRING,
NATID1 TYPE STRING,
NATID2 TYPE STRING,
DISABLE TYPE STRING,
DATEHEI TYPE STRING,
PREVEMP TYPE STRING,
PREVHEI TYPE STRING,
QUALHELD TYPE STRING,
ACCDIS1 TYPE STRING,
ACCDIS2 TYPE STRING,
RBODY TYPE STRING,
ABLWELSH TYPE STRING,
DATELHEI TYPE STRING,
DEST TYPE STRING,
RESACT TYPE STRING,
UOA TYPE STRING,
TOTSAL TYPE STRING,
DISABLE1 TYPE STRING,
DISABLE2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P08P_HESA_NISR_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_P08P_HESA_NISR_PERSON_STR-RECID sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-INSTID sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-STAFFID sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-BIRTHDATE sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-GENDER sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-NATION sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-ETHNIC sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-NATID1 sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-NATID2 sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-DISABLE sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-DATEHEI sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-PREVEMP sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-PREVHEI sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-QUALHELD sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-ACCDIS1 sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-ACCDIS2 sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-RBODY sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-ABLWELSH sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-DATELHEI sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-DEST sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-RESACT sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-UOA sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-TOTSAL sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-DISABLE1 sy-vline 
WA_P08P_HESA_NISR_PERSON_STR-DISABLE2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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