ABAP Select data from SAP table FMCACOLLXML_FKKKO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMCACOLLXML_FKKKO
*  INTO TABLE @DATA(IT_FMCACOLLXML_FKKKO2).
*--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_FMCACOLLXML_FKKKO INDEX 1 INTO DATA(WA_FMCACOLLXML_FKKKO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMCACOLLXML_FKKKO>-MANDT = 1.
<FMCACOLLXML_FKKKO>-OPBEL = 1.
<FMCACOLLXML_FKKKO>-BLART = 1.
<FMCACOLLXML_FKKKO>-HERKF = 1.
<FMCACOLLXML_FKKKO>-WAERS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMCACOLLXML_FKKKO-BLDAT, sy-vline,
  WA_FMCACOLLXML_FKKKO-XBLNR, sy-vline,
  WA_FMCACOLLXML_FKKKO-RLGRD, sy-vline,
  WA_FMCACOLLXML_FKKKO-ABGRD, sy-vline,
  WA_FMCACOLLXML_FKKKO-AWTYP, sy-vline,
  WA_FMCACOLLXML_FKKKO-AWKEY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMCACOLLXML_FKKKO 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_FMCACOLLXML_FKKKO 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_FMCACOLLXML_FKKKO INTO WA_FMCACOLLXML_FKKKO.


*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 OPBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMCACOLLXML_FKKKO-OPBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCACOLLXML_FKKKO-OPBEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field XBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMCACOLLXML_FKKKO-XBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCACOLLXML_FKKKO-XBLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMCACOLLXML_FKKKO-STBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCACOLLXML_FKKKO-STBEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STORB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMCACOLLXML_FKKKO-STORB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCACOLLXML_FKKKO-STORB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AWSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMCACOLLXML_FKKKO-AWSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCACOLLXML_FKKKO-AWSYS.
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_FMCACOLLXML_FKKKO_STR, 
MANDT TYPE STRING,
OPBEL TYPE STRING,
BLART TYPE STRING,
HERKF TYPE STRING,
WAERS TYPE STRING,
BLDAT TYPE STRING,
XBLNR TYPE STRING,
RLGRD TYPE STRING,
ABGRD TYPE STRING,
AWTYP TYPE STRING,
AWKEY TYPE STRING,
STBEL TYPE STRING,
BLTYP TYPE STRING,
AGINF TYPE STRING,
STBUK TYPE STRING,
STORB TYPE STRING,
APPDX TYPE STRING,
XMBEL TYPE STRING,
AWSYS TYPE STRING,
VERSN TYPE STRING,
BRANCH TYPE STRING,
C4EYE TYPE STRING,
C4EYP TYPE STRING,
TATYP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMCACOLLXML_FKKKO_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_FMCACOLLXML_FKKKO_STR-MANDT sy-vline 
WA_FMCACOLLXML_FKKKO_STR-OPBEL sy-vline 
WA_FMCACOLLXML_FKKKO_STR-BLART sy-vline 
WA_FMCACOLLXML_FKKKO_STR-HERKF sy-vline 
WA_FMCACOLLXML_FKKKO_STR-WAERS sy-vline 
WA_FMCACOLLXML_FKKKO_STR-BLDAT sy-vline 
WA_FMCACOLLXML_FKKKO_STR-XBLNR sy-vline 
WA_FMCACOLLXML_FKKKO_STR-RLGRD sy-vline 
WA_FMCACOLLXML_FKKKO_STR-ABGRD sy-vline 
WA_FMCACOLLXML_FKKKO_STR-AWTYP sy-vline 
WA_FMCACOLLXML_FKKKO_STR-AWKEY sy-vline 
WA_FMCACOLLXML_FKKKO_STR-STBEL sy-vline 
WA_FMCACOLLXML_FKKKO_STR-BLTYP sy-vline 
WA_FMCACOLLXML_FKKKO_STR-AGINF sy-vline 
WA_FMCACOLLXML_FKKKO_STR-STBUK sy-vline 
WA_FMCACOLLXML_FKKKO_STR-STORB sy-vline 
WA_FMCACOLLXML_FKKKO_STR-APPDX sy-vline 
WA_FMCACOLLXML_FKKKO_STR-XMBEL sy-vline 
WA_FMCACOLLXML_FKKKO_STR-AWSYS sy-vline 
WA_FMCACOLLXML_FKKKO_STR-VERSN sy-vline 
WA_FMCACOLLXML_FKKKO_STR-BRANCH sy-vline 
WA_FMCACOLLXML_FKKKO_STR-C4EYE sy-vline 
WA_FMCACOLLXML_FKKKO_STR-C4EYP sy-vline 
WA_FMCACOLLXML_FKKKO_STR-TATYP sy-vline      INTO ld_text SEPARATED BY SPACE.

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