ABAP Select data from SAP table CLATEFILGTRAIN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CLATEFILGTRAIN
*  INTO TABLE @DATA(IT_CLATEFILGTRAIN2).
*--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_CLATEFILGTRAIN INDEX 1 INTO DATA(WA_CLATEFILGTRAIN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CLATEFILGTRAIN>-MANDT = 1.
<CLATEFILGTRAIN>-BUSINESSPARTNER = 1.
<CLATEFILGTRAIN>-BHVRLINSGTSACCOUNTNUMBER = 1.
<CLATEFILGTRAIN>-BHVRLINSGTSSUBACCOUNTNUMBER = 1.
<CLATEFILGTRAIN>-BHVRLINSGTSCALDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CLATEFILGTRAIN-BUSINESSPARTNERTYPE, sy-vline,
  WA_CLATEFILGTRAIN-BPGROUPINGCHARACTER, sy-vline,
  WA_CLATEFILGTRAIN-NROFLATEPAYMENTPENALTY3MONTH, sy-vline,
  WA_CLATEFILGTRAIN-NROFLATESUBMSNPENALTY3MONTH, sy-vline,
  WA_CLATEFILGTRAIN-NROFCREATEDAUDIT3MONTH, sy-vline,
  WA_CLATEFILGTRAIN-NROFAUDITASSESSMENT3MONTH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CLATEFILGTRAIN 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_CLATEFILGTRAIN 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_CLATEFILGTRAIN INTO WA_CLATEFILGTRAIN.


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

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

*Conversion exit ALPHA, internal->external for field BHVRLINSGTSSUBACCOUNTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CLATEFILGTRAIN-BHVRLINSGTSSUBACCOUNTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CLATEFILGTRAIN-BHVRLINSGTSSUBACCOUNTNUMBER.
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_CLATEFILGTRAIN_STR, 
MANDT TYPE STRING,
BUSINESSPARTNER TYPE STRING,
BHVRLINSGTSACCOUNTNUMBER TYPE STRING,
BHVRLINSGTSSUBACCOUNTNUMBER TYPE STRING,
BHVRLINSGTSCALDATE TYPE STRING,
BUSINESSPARTNERTYPE TYPE STRING,
BPGROUPINGCHARACTER TYPE STRING,
NROFLATEPAYMENTPENALTY3MONTH TYPE STRING,
NROFLATESUBMSNPENALTY3MONTH TYPE STRING,
NROFCREATEDAUDIT3MONTH TYPE STRING,
NROFAUDITASSESSMENT3MONTH TYPE STRING,
NROFOBJECTION3MONTH TYPE STRING,
NROFINTERESTDOCUMENT3MONTH TYPE STRING,
NROFINTERESTDOCUMENT6MONTH TYPE STRING,
NROFINTERESTDOCUMENT12MONTH TYPE STRING,
NROFNOCLEARINGDOCUMENT3MONTH TYPE STRING,
NROFNOCLEARINGDOCUMENT6MONTH TYPE STRING,
NROFNOCLEARINGDOCUMENT12MONTH TYPE STRING,
NUMBEROFLEVEL01DUNNINGNONFILER TYPE STRING,
NUMBEROFLEVEL02DUNNINGNONFILER TYPE STRING,
NUMBEROFLEVEL03DUNNINGNONFILER TYPE STRING,
NUMBEROFLEVEL04DUNNINGNONFILER TYPE STRING,
NUMBEROFLEVEL01DUNNINGNONPAYER TYPE STRING,
NUMBEROFLEVEL02DUNNINGNONPAYER TYPE STRING,
NUMBEROFLEVEL03DUNNINGNONPAYER TYPE STRING,
NUMBEROFLEVEL04DUNNINGNONPAYER TYPE STRING,
DUEAMOUNTINLOCALCURRENCY TYPE STRING,
NROFMONTHWITHAUTHORITY TYPE STRING,
NUMBEROFBANKRUPTCIES TYPE STRING,
FILGAMTCHGCURANDPREVMONTHVALUE TYPE STRING,
FILGAMTCHGCURANDPREVYEARVALUE TYPE STRING,
NUMBEROFMONTHDEBTAMOUNTOVERDUE TYPE STRING,
SCALEDDEBTAMOUNTVALUE TYPE STRING,
NROFMONTHSINCEFILER TYPE STRING,
BUSINESSPARTNERSTATUSNAME TYPE STRING,
DEVIATIONINFILINGAMOUNT TYPE STRING,
AVGNROFOVERDUEDAY TYPE STRING,
EXTERNALEVENTHASAFFECTED TYPE STRING,
BHVRLINSGTSTGTVAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CLATEFILGTRAIN_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_CLATEFILGTRAIN_STR-MANDT sy-vline 
WA_CLATEFILGTRAIN_STR-BUSINESSPARTNER sy-vline 
WA_CLATEFILGTRAIN_STR-BHVRLINSGTSACCOUNTNUMBER sy-vline 
WA_CLATEFILGTRAIN_STR-BHVRLINSGTSSUBACCOUNTNUMBER sy-vline 
WA_CLATEFILGTRAIN_STR-BHVRLINSGTSCALDATE sy-vline 
WA_CLATEFILGTRAIN_STR-BUSINESSPARTNERTYPE sy-vline 
WA_CLATEFILGTRAIN_STR-BPGROUPINGCHARACTER sy-vline 
WA_CLATEFILGTRAIN_STR-NROFLATEPAYMENTPENALTY3MONTH sy-vline 
WA_CLATEFILGTRAIN_STR-NROFLATESUBMSNPENALTY3MONTH sy-vline 
WA_CLATEFILGTRAIN_STR-NROFCREATEDAUDIT3MONTH sy-vline 
WA_CLATEFILGTRAIN_STR-NROFAUDITASSESSMENT3MONTH sy-vline 
WA_CLATEFILGTRAIN_STR-NROFOBJECTION3MONTH sy-vline 
WA_CLATEFILGTRAIN_STR-NROFINTERESTDOCUMENT3MONTH sy-vline 
WA_CLATEFILGTRAIN_STR-NROFINTERESTDOCUMENT6MONTH sy-vline 
WA_CLATEFILGTRAIN_STR-NROFINTERESTDOCUMENT12MONTH sy-vline 
WA_CLATEFILGTRAIN_STR-NROFNOCLEARINGDOCUMENT3MONTH sy-vline 
WA_CLATEFILGTRAIN_STR-NROFNOCLEARINGDOCUMENT6MONTH sy-vline 
WA_CLATEFILGTRAIN_STR-NROFNOCLEARINGDOCUMENT12MONTH sy-vline 
WA_CLATEFILGTRAIN_STR-NUMBEROFLEVEL01DUNNINGNONFILER sy-vline 
WA_CLATEFILGTRAIN_STR-NUMBEROFLEVEL02DUNNINGNONFILER sy-vline 
WA_CLATEFILGTRAIN_STR-NUMBEROFLEVEL03DUNNINGNONFILER sy-vline 
WA_CLATEFILGTRAIN_STR-NUMBEROFLEVEL04DUNNINGNONFILER sy-vline 
WA_CLATEFILGTRAIN_STR-NUMBEROFLEVEL01DUNNINGNONPAYER sy-vline 
WA_CLATEFILGTRAIN_STR-NUMBEROFLEVEL02DUNNINGNONPAYER sy-vline 
WA_CLATEFILGTRAIN_STR-NUMBEROFLEVEL03DUNNINGNONPAYER sy-vline 
WA_CLATEFILGTRAIN_STR-NUMBEROFLEVEL04DUNNINGNONPAYER sy-vline 
WA_CLATEFILGTRAIN_STR-DUEAMOUNTINLOCALCURRENCY sy-vline 
WA_CLATEFILGTRAIN_STR-NROFMONTHWITHAUTHORITY sy-vline 
WA_CLATEFILGTRAIN_STR-NUMBEROFBANKRUPTCIES sy-vline 
WA_CLATEFILGTRAIN_STR-FILGAMTCHGCURANDPREVMONTHVALUE sy-vline 
WA_CLATEFILGTRAIN_STR-FILGAMTCHGCURANDPREVYEARVALUE sy-vline 
WA_CLATEFILGTRAIN_STR-NUMBEROFMONTHDEBTAMOUNTOVERDUE sy-vline 
WA_CLATEFILGTRAIN_STR-SCALEDDEBTAMOUNTVALUE sy-vline 
WA_CLATEFILGTRAIN_STR-NROFMONTHSINCEFILER sy-vline 
WA_CLATEFILGTRAIN_STR-BUSINESSPARTNERSTATUSNAME sy-vline 
WA_CLATEFILGTRAIN_STR-DEVIATIONINFILINGAMOUNT sy-vline 
WA_CLATEFILGTRAIN_STR-AVGNROFOVERDUEDAY sy-vline 
WA_CLATEFILGTRAIN_STR-EXTERNALEVENTHASAFFECTED sy-vline 
WA_CLATEFILGTRAIN_STR-BHVRLINSGTSTGTVAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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