ABAP Select data from SAP table BAPIP0220L into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPIP0220L 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 BAPIP0220L. 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 BAPIP0220L 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_BAPIP0220L TYPE STANDARD TABLE OF BAPIP0220L,
      WA_BAPIP0220L TYPE BAPIP0220L,
      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: <BAPIP0220L> TYPE BAPIP0220L.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPIP0220L.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPIP0220L
  INTO TABLE IT_BAPIP0220L.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIP0220L
*  INTO TABLE @DATA(IT_BAPIP0220L2).
*--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_BAPIP0220L INDEX 1 INTO DATA(WA_BAPIP0220L2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPIP0220L ASSIGNING <BAPIP0220L>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIP0220L>-EMPLOYEENO = 1.
<BAPIP0220L>-SUBTYPE = 1.
<BAPIP0220L>-OBJECTID = 1.
<BAPIP0220L>-LOCKINDIC = 1.
<BAPIP0220L>-VALIDEND = 1.

ENDLOOP.

LOOP AT IT_BAPIP0220L INTO WA_BAPIP0220L.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIP0220L-VALIDBEGIN, sy-vline,
  WA_BAPIP0220L-RECORDNR, sy-vline,
  WA_BAPIP0220L-FUNDCODE, sy-vline,
  WA_BAPIP0220L-MEMBERSHIPNUMBER, sy-vline,
  WA_BAPIP0220L-EMPERCONTRIBPERCNT, sy-vline,
  WA_BAPIP0220L-EMPERCONTRIBAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIP0220L 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_BAPIP0220L 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_BAPIP0220L INTO WA_BAPIP0220L.


*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_BAPIP0220L_STR, 
EMPLOYEENO TYPE STRING,
SUBTYPE TYPE STRING,
OBJECTID TYPE STRING,
LOCKINDIC TYPE STRING,
VALIDEND TYPE STRING,
VALIDBEGIN TYPE STRING,
RECORDNR TYPE STRING,
FUNDCODE TYPE STRING,
MEMBERSHIPNUMBER TYPE STRING,
EMPERCONTRIBPERCNT TYPE STRING,
EMPERCONTRIBAMOUNT TYPE STRING,
FUNDEXCLUSIONFLAG TYPE STRING,
JOINEDDATE TYPE STRING,
MEDICALCLASSIFICATION TYPE STRING,
REASONCODE TYPE STRING,
SALARYUSAGE TYPE STRING,
PERIODSALARY TYPE STRING,
EMPEECONTRIBPERCNT TYPE STRING,
EMPEECONTRIBAMOUNT TYPE STRING,
SUPFACTORINGMETHOD TYPE STRING,
COMFACTORINGMETHOD TYPE STRING,
EMPFACTORINGMETHOD TYPE STRING,
NAMEOFFUNDTYPE TYPE STRING,
MEDCLTX TYPE STRING,
REASONCODETEXT TYPE STRING,
DELIMIT_DATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIP0220L_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_BAPIP0220L_STR-EMPLOYEENO sy-vline 
WA_BAPIP0220L_STR-SUBTYPE sy-vline 
WA_BAPIP0220L_STR-OBJECTID sy-vline 
WA_BAPIP0220L_STR-LOCKINDIC sy-vline 
WA_BAPIP0220L_STR-VALIDEND sy-vline 
WA_BAPIP0220L_STR-VALIDBEGIN sy-vline 
WA_BAPIP0220L_STR-RECORDNR sy-vline 
WA_BAPIP0220L_STR-FUNDCODE sy-vline 
WA_BAPIP0220L_STR-MEMBERSHIPNUMBER sy-vline 
WA_BAPIP0220L_STR-EMPERCONTRIBPERCNT sy-vline 
WA_BAPIP0220L_STR-EMPERCONTRIBAMOUNT sy-vline 
WA_BAPIP0220L_STR-FUNDEXCLUSIONFLAG sy-vline 
WA_BAPIP0220L_STR-JOINEDDATE sy-vline 
WA_BAPIP0220L_STR-MEDICALCLASSIFICATION sy-vline 
WA_BAPIP0220L_STR-REASONCODE sy-vline 
WA_BAPIP0220L_STR-SALARYUSAGE sy-vline 
WA_BAPIP0220L_STR-PERIODSALARY sy-vline 
WA_BAPIP0220L_STR-EMPEECONTRIBPERCNT sy-vline 
WA_BAPIP0220L_STR-EMPEECONTRIBAMOUNT sy-vline 
WA_BAPIP0220L_STR-SUPFACTORINGMETHOD sy-vline 
WA_BAPIP0220L_STR-COMFACTORINGMETHOD sy-vline 
WA_BAPIP0220L_STR-EMPFACTORINGMETHOD sy-vline 
WA_BAPIP0220L_STR-NAMEOFFUNDTYPE sy-vline 
WA_BAPIP0220L_STR-MEDCLTX sy-vline 
WA_BAPIP0220L_STR-REASONCODETEXT sy-vline 
WA_BAPIP0220L_STR-DELIMIT_DATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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