ABAP Select data from SAP table P41_P0540 into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

Below is a number of ABAP code snippets to demonstrate how to select data from SAP P41_P0540 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 P41_P0540. 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 P41_P0540 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_P41_P0540 TYPE STANDARD TABLE OF P41_P0540,
      WA_P41_P0540 TYPE P41_P0540,
      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: <P41_P0540> TYPE P41_P0540.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P41_P0540.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P41_P0540
  INTO TABLE IT_P41_P0540.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P41_P0540
*  INTO TABLE @DATA(IT_P41_P05402).
*--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_P41_P0540 INDEX 1 INTO DATA(WA_P41_P05402).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P41_P0540 ASSIGNING <P41_P0540>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P41_P0540>-EMPLOYEENO = 1.
<P41_P0540>-SUBTYPE = 1.
<P41_P0540>-OBJECTID = 1.
<P41_P0540>-LOCKINDIC = 1.
<P41_P0540>-VALIDEND = 1.

ENDLOOP.

LOOP AT IT_P41_P0540 INTO WA_P41_P0540.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P41_P0540-VALIDBEGIN, sy-vline,
  WA_P41_P0540-RECORDNR, sy-vline,
  WA_P41_P0540-MEMBERTYPE, sy-vline,
  WA_P41_P0540-FIRSTNAME, sy-vline,
  WA_P41_P0540-LASTNAME, sy-vline,
  WA_P41_P0540-SECONDNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P41_P0540 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_P41_P0540 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_P41_P0540 INTO WA_P41_P0540.


*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 DATEOFBIRTH
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_P41_P0540-DATEOFBIRTH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P41_P0540-DATEOFBIRTH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit REGNO, internal->external for field REGISTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_REGNO_OUTPUT'
  EXPORTING
    input =                      WA_P41_P0540-REGISTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P41_P0540-REGISTNUMBER.
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_P41_P0540_STR, 
EMPLOYEENO TYPE STRING,
SUBTYPE TYPE STRING,
OBJECTID TYPE STRING,
LOCKINDIC TYPE STRING,
VALIDEND TYPE STRING,
VALIDBEGIN TYPE STRING,
RECORDNR TYPE STRING,
MEMBERTYPE TYPE STRING,
FIRSTNAME TYPE STRING,
LASTNAME TYPE STRING,
SECONDNAME TYPE STRING,
ACADEMICTITLE TYPE STRING,
SURNAMEPREFIX TYPE STRING,
SECONDSURNAMEPREFIX TYPE STRING,
ARISTOCRATICTITLE TYPE STRING,
FULLNAME TYPE STRING,
MAIDENNAME TYPE STRING,
INITIALS TYPE STRING,
GENDER TYPE STRING,
DATEOFBIRTH TYPE STRING,
PLACEOFBIRTH TYPE STRING,
STATEOFBIRTH TYPE STRING,
LANDOFBIRTH TYPE STRING,
NATIONALITY TYPE STRING,
NATIONALITY2 TYPE STRING,
NATIONALITY3 TYPE STRING,
SCHOOLTYPE TYPE STRING,
EDUCATIONALINSTITUTE TYPE STRING,
RELATIONSHIPTOCHILD TYPE STRING,
NAMEOFGENDER TYPE STRING,
NAMEOFSTATEOFBIRTH TYPE STRING,
NAMEOFLANDOFBIRTH TYPE STRING,
NAMEOFNATIONALITY TYPE STRING,
NAMEOFNATIONALITY2 TYPE STRING,
NAMEOFNATIONALITY3 TYPE STRING,
NAMEOFMEMBERTYPE TYPE STRING,
FIRSTNAMEHG TYPE STRING,
LASTNAMEHG TYPE STRING,
REGISTNUMBER TYPE STRING,
JOBOFMEMBER TYPE STRING,
DEPENDENTORNOT TYPE STRING,
LIVETOGETHER TYPE STRING,
HANDICAPPED TYPE STRING,
CHILDCARE TYPE STRING,
HEALTHINSUR TYPE STRING,
FAMALLOWANCE TYPE STRING,
DEPENDANTTYPE TYPE STRING,
EDUCATIONTEXT TYPE STRING,
SPECOFMEMBER TYPE STRING,
ADCID TYPE STRING,
ADPDT TYPE STRING,
BALID TYPE STRING,
OAPID TYPE STRING,
FSTID TYPE STRING,
HNDCD TYPE STRING,
HNBEG TYPE STRING,
HNEND TYPE STRING,
CHILDRELATIONSHIP TYPE STRING,
PPTID TYPE STRING,
SESCH TYPE STRING,
SIXID TYPE STRING,
CHDCS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P41_P0540_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_P41_P0540_STR-EMPLOYEENO sy-vline 
WA_P41_P0540_STR-SUBTYPE sy-vline 
WA_P41_P0540_STR-OBJECTID sy-vline 
WA_P41_P0540_STR-LOCKINDIC sy-vline 
WA_P41_P0540_STR-VALIDEND sy-vline 
WA_P41_P0540_STR-VALIDBEGIN sy-vline 
WA_P41_P0540_STR-RECORDNR sy-vline 
WA_P41_P0540_STR-MEMBERTYPE sy-vline 
WA_P41_P0540_STR-FIRSTNAME sy-vline 
WA_P41_P0540_STR-LASTNAME sy-vline 
WA_P41_P0540_STR-SECONDNAME sy-vline 
WA_P41_P0540_STR-ACADEMICTITLE sy-vline 
WA_P41_P0540_STR-SURNAMEPREFIX sy-vline 
WA_P41_P0540_STR-SECONDSURNAMEPREFIX sy-vline 
WA_P41_P0540_STR-ARISTOCRATICTITLE sy-vline 
WA_P41_P0540_STR-FULLNAME sy-vline 
WA_P41_P0540_STR-MAIDENNAME sy-vline 
WA_P41_P0540_STR-INITIALS sy-vline 
WA_P41_P0540_STR-GENDER sy-vline 
WA_P41_P0540_STR-DATEOFBIRTH sy-vline 
WA_P41_P0540_STR-PLACEOFBIRTH sy-vline 
WA_P41_P0540_STR-STATEOFBIRTH sy-vline 
WA_P41_P0540_STR-LANDOFBIRTH sy-vline 
WA_P41_P0540_STR-NATIONALITY sy-vline 
WA_P41_P0540_STR-NATIONALITY2 sy-vline 
WA_P41_P0540_STR-NATIONALITY3 sy-vline 
WA_P41_P0540_STR-SCHOOLTYPE sy-vline 
WA_P41_P0540_STR-EDUCATIONALINSTITUTE sy-vline 
WA_P41_P0540_STR-RELATIONSHIPTOCHILD sy-vline 
WA_P41_P0540_STR-NAMEOFGENDER sy-vline 
WA_P41_P0540_STR-NAMEOFSTATEOFBIRTH sy-vline 
WA_P41_P0540_STR-NAMEOFLANDOFBIRTH sy-vline 
WA_P41_P0540_STR-NAMEOFNATIONALITY sy-vline 
WA_P41_P0540_STR-NAMEOFNATIONALITY2 sy-vline 
WA_P41_P0540_STR-NAMEOFNATIONALITY3 sy-vline 
WA_P41_P0540_STR-NAMEOFMEMBERTYPE sy-vline 
WA_P41_P0540_STR-FIRSTNAMEHG sy-vline 
WA_P41_P0540_STR-LASTNAMEHG sy-vline 
WA_P41_P0540_STR-REGISTNUMBER sy-vline 
WA_P41_P0540_STR-JOBOFMEMBER sy-vline 
WA_P41_P0540_STR-DEPENDENTORNOT sy-vline 
WA_P41_P0540_STR-LIVETOGETHER sy-vline 
WA_P41_P0540_STR-HANDICAPPED sy-vline 
WA_P41_P0540_STR-CHILDCARE sy-vline 
WA_P41_P0540_STR-HEALTHINSUR sy-vline 
WA_P41_P0540_STR-FAMALLOWANCE sy-vline 
WA_P41_P0540_STR-DEPENDANTTYPE sy-vline 
WA_P41_P0540_STR-EDUCATIONTEXT sy-vline 
WA_P41_P0540_STR-SPECOFMEMBER sy-vline 
WA_P41_P0540_STR-ADCID sy-vline 
WA_P41_P0540_STR-ADPDT sy-vline 
WA_P41_P0540_STR-BALID sy-vline 
WA_P41_P0540_STR-OAPID sy-vline 
WA_P41_P0540_STR-FSTID sy-vline 
WA_P41_P0540_STR-HNDCD sy-vline 
WA_P41_P0540_STR-HNBEG sy-vline 
WA_P41_P0540_STR-HNEND sy-vline 
WA_P41_P0540_STR-CHILDRELATIONSHIP sy-vline 
WA_P41_P0540_STR-PPTID sy-vline 
WA_P41_P0540_STR-SESCH sy-vline 
WA_P41_P0540_STR-SIXID sy-vline 
WA_P41_P0540_STR-CHDCS sy-vline      INTO ld_text SEPARATED BY SPACE.

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