ABAP Select data from SAP table FMEF_IF_POS_MISC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMEF_IF_POS_MISC
*  INTO TABLE @DATA(IT_FMEF_IF_POS_MISC2).
*--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_FMEF_IF_POS_MISC INDEX 1 INTO DATA(WA_FMEF_IF_POS_MISC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMEF_IF_POS_MISC>-BLPKZ = 1.
<FMEF_IF_POS_MISC>-STATS = 1.
<FMEF_IF_POS_MISC>-ABGWAERS = 1.
<FMEF_IF_POS_MISC>-CARRYOV = 1.
<FMEF_IF_POS_MISC>-ACCHANG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMEF_IF_POS_MISC-FDATK, sy-vline,
  WA_FMEF_IF_POS_MISC-UEBTO, sy-vline,
  WA_FMEF_IF_POS_MISC-CONSUMEKZ, sy-vline,
  WA_FMEF_IF_POS_MISC-TOLOV, sy-vline,
  WA_FMEF_IF_POS_MISC-POSLOCK, sy-vline,
  WA_FMEF_IF_POS_MISC-PTEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMEF_IF_POS_MISC 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_FMEF_IF_POS_MISC 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_FMEF_IF_POS_MISC INTO WA_FMEF_IF_POS_MISC.


*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_FMEF_IF_POS_MISC_STR, 
BLPKZ TYPE STRING,
STATS TYPE STRING,
ABGWAERS TYPE STRING,
CARRYOV TYPE STRING,
ACCHANG TYPE STRING,
FDATK TYPE STRING,
UEBTO TYPE STRING,
CONSUMEKZ TYPE STRING,
TOLOV TYPE STRING,
POSLOCK TYPE STRING,
PTEXT TYPE STRING,
PEROP_BEG TYPE STRING,
PEROP_END TYPE STRING,
PPA_EX_IND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMEF_IF_POS_MISC_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_FMEF_IF_POS_MISC_STR-BLPKZ sy-vline 
WA_FMEF_IF_POS_MISC_STR-STATS sy-vline 
WA_FMEF_IF_POS_MISC_STR-ABGWAERS sy-vline 
WA_FMEF_IF_POS_MISC_STR-CARRYOV sy-vline 
WA_FMEF_IF_POS_MISC_STR-ACCHANG sy-vline 
WA_FMEF_IF_POS_MISC_STR-FDATK sy-vline 
WA_FMEF_IF_POS_MISC_STR-UEBTO sy-vline 
WA_FMEF_IF_POS_MISC_STR-CONSUMEKZ sy-vline 
WA_FMEF_IF_POS_MISC_STR-TOLOV sy-vline 
WA_FMEF_IF_POS_MISC_STR-POSLOCK sy-vline 
WA_FMEF_IF_POS_MISC_STR-PTEXT sy-vline 
WA_FMEF_IF_POS_MISC_STR-PEROP_BEG sy-vline 
WA_FMEF_IF_POS_MISC_STR-PEROP_END sy-vline 
WA_FMEF_IF_POS_MISC_STR-PPA_EX_IND sy-vline      INTO ld_text SEPARATED BY SPACE.

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