ABAP Select data from SAP table PKR_FORM_YEA_DEPLIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PKR_FORM_YEA_DEPLIST
*  INTO TABLE @DATA(IT_PKR_FORM_YEA_DEPLIST2).
*--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_PKR_FORM_YEA_DEPLIST INDEX 1 INTO DATA(WA_PKR_FORM_YEA_DEPLIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PKR_FORM_YEA_DEPLIST>-DL_REL01 = 1.
<PKR_FORM_YEA_DEPLIST>-DL_FOR01 = 1.
<PKR_FORM_YEA_DEPLIST>-DL_NAM01 = 1.
<PKR_FORM_YEA_DEPLIST>-DL_NAM0108 = 1.
<PKR_FORM_YEA_DEPLIST>-DL_REG01 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PKR_FORM_YEA_DEPLIST-DL_BAS01, sy-vline,
  WA_PKR_FORM_YEA_DEPLIST-DL_HAN01, sy-vline,
  WA_PKR_FORM_YEA_DEPLIST-DL_CHI01, sy-vline,
  WA_PKR_FORM_YEA_DEPLIST-DL_INS01, sy-vline,
  WA_PKR_FORM_YEA_DEPLIST-DL_MED01, sy-vline,
  WA_PKR_FORM_YEA_DEPLIST-DL_EDU01, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PKR_FORM_YEA_DEPLIST 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_PKR_FORM_YEA_DEPLIST 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_PKR_FORM_YEA_DEPLIST INTO WA_PKR_FORM_YEA_DEPLIST.


*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 REGNO, internal->external for field DL_REG01
CALL FUNCTION 'CONVERSION_EXIT_REGNO_OUTPUT'
  EXPORTING
    input =                      WA_PKR_FORM_YEA_DEPLIST-DL_REG01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PKR_FORM_YEA_DEPLIST-DL_REG01.
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_PKR_FORM_YEA_DEPLIST_STR, 
DL_REL01 TYPE STRING,
DL_FOR01 TYPE STRING,
DL_NAM01 TYPE STRING,
DL_NAM0108 TYPE STRING,
DL_REG01 TYPE STRING,
DL_BAS01 TYPE STRING,
DL_HAN01 TYPE STRING,
DL_CHI01 TYPE STRING,
DL_INS01 TYPE STRING,
DL_MED01 TYPE STRING,
DL_EDU01 TYPE STRING,
DL_CRE01 TYPE STRING,
DL_INNSU TYPE STRING,
DL_INOSU TYPE STRING,
DL_MENSU TYPE STRING,
DL_MEOSU TYPE STRING,
DL_EDNSU TYPE STRING,
DL_EDOSU TYPE STRING,
DL_CRNSU TYPE STRING,
DL_CROSU TYPE STRING,
DL_CANSU TYPE STRING,
DL_CAOSU TYPE STRING,
DL_DONSU TYPE STRING,
DL_DOOSU TYPE STRING,
DL_INN01 TYPE STRING,
DL_INO01 TYPE STRING,
DL_MEN01 TYPE STRING,
DL_MEO01 TYPE STRING,
DL_EDN01 TYPE STRING,
DL_EDO01 TYPE STRING,
DL_CRN01 TYPE STRING,
DL_CRO01 TYPE STRING,
DL_CAN01 TYPE STRING,
DL_CAO01 TYPE STRING,
DL_DON01 TYPE STRING,
DL_DOO01 TYPE STRING,
DEP_TOTAL_N TYPE STRING,
DL_ITE01 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PKR_FORM_YEA_DEPLIST_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_PKR_FORM_YEA_DEPLIST_STR-DL_REL01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_FOR01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_NAM01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_NAM0108 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_REG01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_BAS01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_HAN01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_CHI01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_INS01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_MED01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_EDU01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_CRE01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_INNSU sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_INOSU sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_MENSU sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_MEOSU sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_EDNSU sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_EDOSU sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_CRNSU sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_CROSU sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_CANSU sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_CAOSU sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_DONSU sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_DOOSU sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_INN01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_INO01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_MEN01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_MEO01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_EDN01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_EDO01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_CRN01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_CRO01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_CAN01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_CAO01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_DON01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_DOO01 sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DEP_TOTAL_N sy-vline 
WA_PKR_FORM_YEA_DEPLIST_STR-DL_ITE01 sy-vline      INTO ld_text SEPARATED BY SPACE.

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