ABAP Select data from SAP table FCML4H_PRDETSCHEME_CCS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FCML4H_PRDETSCHEME_CCS 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 FCML4H_PRDETSCHEME_CCS. 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 FCML4H_PRDETSCHEME_CCS 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_FCML4H_PRDETSCHEME_CCS TYPE STANDARD TABLE OF FCML4H_PRDETSCHEME_CCS,
      WA_FCML4H_PRDETSCHEME_CCS TYPE FCML4H_PRDETSCHEME_CCS,
      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: <FCML4H_PRDETSCHEME_CCS> TYPE FCML4H_PRDETSCHEME_CCS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FCML4H_PRDETSCHEME_CCS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FCML4H_PRDETSCHEME_CCS
  INTO TABLE IT_FCML4H_PRDETSCHEME_CCS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCML4H_PRDETSCHEME_CCS
*  INTO TABLE @DATA(IT_FCML4H_PRDETSCHEME_CCS2).
*--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_FCML4H_PRDETSCHEME_CCS INDEX 1 INTO DATA(WA_FCML4H_PRDETSCHEME_CCS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FCML4H_PRDETSCHEME_CCS ASSIGNING <FCML4H_PRDETSCHEME_CCS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCML4H_PRDETSCHEME_CCS>-MANDT = 1.
<FCML4H_PRDETSCHEME_CCS>-KALNR = 1.
<FCML4H_PRDETSCHEME_CCS>-JAHRPER = 1.
<FCML4H_PRDETSCHEME_CCS>-CATEG = 1.
<FCML4H_PRDETSCHEME_CCS>-CURTP = 1.

ENDLOOP.

LOOP AT IT_FCML4H_PRDETSCHEME_CCS INTO WA_FCML4H_PRDETSCHEME_CCS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCML4H_PRDETSCHEME_CCS-WAERS, sy-vline,
  WA_FCML4H_PRDETSCHEME_CCS-MEINS, sy-vline,
  WA_FCML4H_PRDETSCHEME_CCS-QUANT, sy-vline,
  WA_FCML4H_PRDETSCHEME_CCS-ELESMHK, sy-vline,
  WA_FCML4H_PRDETSCHEME_CCS-ELEMENT, sy-vline,
  WA_FCML4H_PRDETSCHEME_CCS-PATNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCML4H_PRDETSCHEME_CCS 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_FCML4H_PRDETSCHEME_CCS 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_FCML4H_PRDETSCHEME_CCS INTO WA_FCML4H_PRDETSCHEME_CCS.


*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 PERI7, internal->external for field JAHRPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_FCML4H_PRDETSCHEME_CCS-JAHRPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCML4H_PRDETSCHEME_CCS-JAHRPER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FCML4H_PRDETSCHEME_CCS-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCML4H_PRDETSCHEME_CCS-MEINS.
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_FCML4H_PRDETSCHEME_CCS_STR, 
MANDT TYPE STRING,
KALNR TYPE STRING,
JAHRPER TYPE STRING,
CATEG TYPE STRING,
CURTP TYPE STRING,
WAERS TYPE STRING,
MEINS TYPE STRING,
QUANT TYPE STRING,
ELESMHK TYPE STRING,
ELEMENT TYPE STRING,
PATNR TYPE STRING,
DIPA TYPE STRING,
SVREL TYPE STRING,
KEART TYPE STRING,
MLCCT TYPE STRING,
POSART TYPE STRING,
PTYP TYPE STRING,
TOT TYPE STRING,
FIX TYPE STRING,
TOTLL TYPE STRING,
FIXLL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCML4H_PRDETSCHEME_CCS_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_FCML4H_PRDETSCHEME_CCS_STR-MANDT sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-KALNR sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-JAHRPER sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-CATEG sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-CURTP sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-WAERS sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-MEINS sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-QUANT sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-ELESMHK sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-ELEMENT sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-PATNR sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-DIPA sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-SVREL sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-KEART sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-MLCCT sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-POSART sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-PTYP sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-TOT sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-FIX sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-TOTLL sy-vline 
WA_FCML4H_PRDETSCHEME_CCS_STR-FIXLL sy-vline      INTO ld_text SEPARATED BY SPACE.

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