ABAP Select data from SAP table /PM0/ALFLISUAFE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PM0/ALFLISUAFE 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 /PM0/ALFLISUAFE. 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 /PM0/ALFLISUAFE 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_/PM0/ALFLISUAFE TYPE STANDARD TABLE OF /PM0/ALFLISUAFE,
      WA_/PM0/ALFLISUAFE TYPE /PM0/ALFLISUAFE,
      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: </PM0/ALFLISUAFE> TYPE /PM0/ALFLISUAFE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PM0/ALFLISUAFE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PM0/ALFLISUAFE
  INTO TABLE IT_/PM0/ALFLISUAFE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/ALFLISUAFE
*  INTO TABLE @DATA(IT_/PM0/ALFLISUAFE2).
*--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_/PM0/ALFLISUAFE INDEX 1 INTO DATA(WA_/PM0/ALFLISUAFE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PM0/ALFLISUAFE ASSIGNING </PM0/ALFLISUAFE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/ALFLISUAFE>-/PM0/ALDLISUAFE_OID = 1.
</PM0/ALFLISUAFE>-COMMENT_ID = 1.
</PM0/ALFLISUAFE>-MGMTFEE_VL = 1.
</PM0/ALFLISUAFE>-ISUANCFE_VL = 1.
</PM0/ALFLISUAFE>-PALETTE_ID = 1.

ENDLOOP.

LOOP AT IT_/PM0/ALFLISUAFE INTO WA_/PM0/ALFLISUAFE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/ALFLISUAFE-CREATOR_TT, sy-vline,
  WA_/PM0/ALFLISUAFE-INTVALIDAT_DT, sy-vline,
  WA_/PM0/ALFLISUAFE-ASSIGNMENT_ID, sy-vline,
  WA_/PM0/ALFLISUAFE-DCURRENCY_ID, sy-vline,
  WA_/PM0/ALFLISUAFE-FCURRENCY_ID, sy-vline,
  WA_/PM0/ALFLISUAFE-NOTE_FG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/ALFLISUAFE 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_/PM0/ALFLISUAFE 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_/PM0/ALFLISUAFE INTO WA_/PM0/ALFLISUAFE.


*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_/PM0/ALFLISUAFE_STR, 
/PM0/ALDLISUAFE_OID TYPE STRING,
COMMENT_ID TYPE STRING,
MGMTFEE_VL TYPE STRING,
ISUANCFE_VL TYPE STRING,
PALETTE_ID TYPE STRING,
CREATOR_TT TYPE STRING,
INTVALIDAT_DT TYPE STRING,
ASSIGNMENT_ID TYPE STRING,
DCURRENCY_ID TYPE STRING,
FCURRENCY_ID TYPE STRING,
NOTE_FG TYPE STRING,
PALETTEINT_ID TYPE STRING,
PALETTE_TT TYPE STRING,
PBSTYP_TT TYPE STRING,
CUSTOMER_TL_CI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/ALFLISUAFE_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_/PM0/ALFLISUAFE_STR-/PM0/ALDLISUAFE_OID sy-vline 
WA_/PM0/ALFLISUAFE_STR-COMMENT_ID sy-vline 
WA_/PM0/ALFLISUAFE_STR-MGMTFEE_VL sy-vline 
WA_/PM0/ALFLISUAFE_STR-ISUANCFE_VL sy-vline 
WA_/PM0/ALFLISUAFE_STR-PALETTE_ID sy-vline 
WA_/PM0/ALFLISUAFE_STR-CREATOR_TT sy-vline 
WA_/PM0/ALFLISUAFE_STR-INTVALIDAT_DT sy-vline 
WA_/PM0/ALFLISUAFE_STR-ASSIGNMENT_ID sy-vline 
WA_/PM0/ALFLISUAFE_STR-DCURRENCY_ID sy-vline 
WA_/PM0/ALFLISUAFE_STR-FCURRENCY_ID sy-vline 
WA_/PM0/ALFLISUAFE_STR-NOTE_FG sy-vline 
WA_/PM0/ALFLISUAFE_STR-PALETTEINT_ID sy-vline 
WA_/PM0/ALFLISUAFE_STR-PALETTE_TT sy-vline 
WA_/PM0/ALFLISUAFE_STR-PBSTYP_TT sy-vline 
WA_/PM0/ALFLISUAFE_STR-CUSTOMER_TL_CI sy-vline      INTO ld_text SEPARATED BY SPACE.

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