ABAP Select data from SAP table P11_FEATURES1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P11_FEATURES1 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 P11_FEATURES1. 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 P11_FEATURES1 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_P11_FEATURES1 TYPE STANDARD TABLE OF P11_FEATURES1,
      WA_P11_FEATURES1 TYPE P11_FEATURES1,
      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: <P11_FEATURES1> TYPE P11_FEATURES1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P11_FEATURES1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P11_FEATURES1
  INTO TABLE IT_P11_FEATURES1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P11_FEATURES1
*  INTO TABLE @DATA(IT_P11_FEATURES12).
*--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_P11_FEATURES1 INDEX 1 INTO DATA(WA_P11_FEATURES12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P11_FEATURES1 ASSIGNING <P11_FEATURES1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P11_FEATURES1>-ADDRS = 1.
<P11_FEATURES1>-BUKRS = 1.
<P11_FEATURES1>-WERKS = 1.
<P11_FEATURES1>-BTRTL = 1.
<P11_FEATURES1>-PERSG = 1.

ENDLOOP.

LOOP AT IT_P11_FEATURES1 INTO WA_P11_FEATURES1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P11_FEATURES1-PERSK, sy-vline,
  WA_P11_FEATURES1-ABKRS, sy-vline,
  WA_P11_FEATURES1-KOSTL, sy-vline,
  WA_P11_FEATURES1-JUPER, sy-vline,
  WA_P11_FEATURES1-VDSK1, sy-vline,
  WA_P11_FEATURES1-GSBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P11_FEATURES1 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_P11_FEATURES1 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_P11_FEATURES1 INTO WA_P11_FEATURES1.


*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 ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_P11_FEATURES1-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P11_FEATURES1-KOSTL.
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_P11_FEATURES1_STR, 
ADDRS TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
ABKRS TYPE STRING,
KOSTL TYPE STRING,
JUPER TYPE STRING,
VDSK1 TYPE STRING,
GSBER TYPE STRING,
MOLGA TYPE STRING,
RCLAS TYPE STRING,
VARKY TYPE STRING,
VARK2 TYPE STRING,
ADDRS_RETVAL TYPE STRING,
IESHA TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
ABKRS TYPE STRING,
SCHTY TYPE STRING,
SSBTY TYPE STRING,
MOLGA TYPE STRING,
PERNR TYPE STRING,
ANSVH TYPE STRING,
MASSG TYPE STRING,
IESHA_RETVAL TYPE STRING,
IECEG TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
ABKRS TYPE STRING,
SCHTY TYPE STRING,
SSBTY TYPE STRING,
MOLGA TYPE STRING,
PERNR TYPE STRING,
ANSVH TYPE STRING,
MASSG TYPE STRING,
IECEG_RETVAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P11_FEATURES1_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_P11_FEATURES1_STR-ADDRS sy-vline 
WA_P11_FEATURES1_STR-BUKRS sy-vline 
WA_P11_FEATURES1_STR-WERKS sy-vline 
WA_P11_FEATURES1_STR-BTRTL sy-vline 
WA_P11_FEATURES1_STR-PERSG sy-vline 
WA_P11_FEATURES1_STR-PERSK sy-vline 
WA_P11_FEATURES1_STR-ABKRS sy-vline 
WA_P11_FEATURES1_STR-KOSTL sy-vline 
WA_P11_FEATURES1_STR-JUPER sy-vline 
WA_P11_FEATURES1_STR-VDSK1 sy-vline 
WA_P11_FEATURES1_STR-GSBER sy-vline 
WA_P11_FEATURES1_STR-MOLGA sy-vline 
WA_P11_FEATURES1_STR-RCLAS sy-vline 
WA_P11_FEATURES1_STR-VARKY sy-vline 
WA_P11_FEATURES1_STR-VARK2 sy-vline 
WA_P11_FEATURES1_STR-ADDRS_RETVAL sy-vline 
WA_P11_FEATURES1_STR-IESHA sy-vline 
WA_P11_FEATURES1_STR-BUKRS sy-vline 
WA_P11_FEATURES1_STR-WERKS sy-vline 
WA_P11_FEATURES1_STR-BTRTL sy-vline 
WA_P11_FEATURES1_STR-PERSG sy-vline 
WA_P11_FEATURES1_STR-PERSK sy-vline 
WA_P11_FEATURES1_STR-ABKRS sy-vline 
WA_P11_FEATURES1_STR-SCHTY sy-vline 
WA_P11_FEATURES1_STR-SSBTY sy-vline 
WA_P11_FEATURES1_STR-MOLGA sy-vline 
WA_P11_FEATURES1_STR-PERNR sy-vline 
WA_P11_FEATURES1_STR-ANSVH sy-vline 
WA_P11_FEATURES1_STR-MASSG sy-vline 
WA_P11_FEATURES1_STR-IESHA_RETVAL sy-vline 
WA_P11_FEATURES1_STR-IECEG sy-vline 
WA_P11_FEATURES1_STR-BUKRS sy-vline 
WA_P11_FEATURES1_STR-WERKS sy-vline 
WA_P11_FEATURES1_STR-BTRTL sy-vline 
WA_P11_FEATURES1_STR-PERSG sy-vline 
WA_P11_FEATURES1_STR-PERSK sy-vline 
WA_P11_FEATURES1_STR-ABKRS sy-vline 
WA_P11_FEATURES1_STR-SCHTY sy-vline 
WA_P11_FEATURES1_STR-SSBTY sy-vline 
WA_P11_FEATURES1_STR-MOLGA sy-vline 
WA_P11_FEATURES1_STR-PERNR sy-vline 
WA_P11_FEATURES1_STR-ANSVH sy-vline 
WA_P11_FEATURES1_STR-MASSG sy-vline 
WA_P11_FEATURES1_STR-IECEG_RETVAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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