ABAP Select data from SAP table ALPFSFTPLY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ALPFSFTPLY
*  INTO TABLE @DATA(IT_ALPFSFTPLY2).
*--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_ALPFSFTPLY INDEX 1 INTO DATA(WA_ALPFSFTPLY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ALPFSFTPLY>-SFTNAME = 1.
<ALPFSFTPLY>-DESCRIP = 1.
<ALPFSFTPLY>-H00WTFAC = 1.
<ALPFSFTPLY>-H01WTFAC = 1.
<ALPFSFTPLY>-H02WTFAC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ALPFSFTPLY-H03WTFAC, sy-vline,
  WA_ALPFSFTPLY-H04WTFAC, sy-vline,
  WA_ALPFSFTPLY-H05WTFAC, sy-vline,
  WA_ALPFSFTPLY-H06WTFAC, sy-vline,
  WA_ALPFSFTPLY-H07WTFAC, sy-vline,
  WA_ALPFSFTPLY-H08WTFAC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ALPFSFTPLY 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_ALPFSFTPLY 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_ALPFSFTPLY INTO WA_ALPFSFTPLY.


*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_ALPFSFTPLY_STR, 
SFTNAME TYPE STRING,
DESCRIP TYPE STRING,
H00WTFAC TYPE STRING,
H01WTFAC TYPE STRING,
H02WTFAC TYPE STRING,
H03WTFAC TYPE STRING,
H04WTFAC TYPE STRING,
H05WTFAC TYPE STRING,
H06WTFAC TYPE STRING,
H07WTFAC TYPE STRING,
H08WTFAC TYPE STRING,
H09WTFAC TYPE STRING,
H10WTFAC TYPE STRING,
H11WTFAC TYPE STRING,
H12WTFAC TYPE STRING,
H13WTFAC TYPE STRING,
H14WTFAC TYPE STRING,
H15WTFAC TYPE STRING,
H16WTFAC TYPE STRING,
H17WTFAC TYPE STRING,
H18WTFAC TYPE STRING,
H19WTFAC TYPE STRING,
H20WTFAC TYPE STRING,
H21WTFAC TYPE STRING,
H22WTFAC TYPE STRING,
H23WTFAC TYPE STRING,
NEWFLAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ALPFSFTPLY_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_ALPFSFTPLY_STR-SFTNAME sy-vline 
WA_ALPFSFTPLY_STR-DESCRIP sy-vline 
WA_ALPFSFTPLY_STR-H00WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H01WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H02WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H03WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H04WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H05WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H06WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H07WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H08WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H09WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H10WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H11WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H12WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H13WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H14WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H15WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H16WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H17WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H18WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H19WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H20WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H21WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H22WTFAC sy-vline 
WA_ALPFSFTPLY_STR-H23WTFAC sy-vline 
WA_ALPFSFTPLY_STR-NEWFLAG sy-vline      INTO ld_text SEPARATED BY SPACE.

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