ABAP Select data from SAP table CRCVRSHIPTRAIN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRCVRSHIPTRAIN
*  INTO TABLE @DATA(IT_CRCVRSHIPTRAIN2).
*--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_CRCVRSHIPTRAIN INDEX 1 INTO DATA(WA_CRCVRSHIPTRAIN2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRCVRSHIPTRAIN-BUSINESSPARTNERTYPE, sy-vline,
  WA_CRCVRSHIPTRAIN-BPGROUPINGCHARACTER, sy-vline,
  WA_CRCVRSHIPTRAIN-NROFLATEPAYMENTPENALTY12MONTH, sy-vline,
  WA_CRCVRSHIPTRAIN-NROFLATESUBMSNPENALTY12MONTH, sy-vline,
  WA_CRCVRSHIPTRAIN-NUMBEROFLATESUBMISSION12MONTH, sy-vline,
  WA_CRCVRSHIPTRAIN-NUMBEROFTAXCORRECTION12MONTH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRCVRSHIPTRAIN 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_CRCVRSHIPTRAIN 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_CRCVRSHIPTRAIN INTO WA_CRCVRSHIPTRAIN.


*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_CRCVRSHIPTRAIN-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRCVRSHIPTRAIN-BUSINESSPARTNER.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field BHVRLINSGTSSUBACCOUNTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRCVRSHIPTRAIN-BHVRLINSGTSSUBACCOUNTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRCVRSHIPTRAIN-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_CRCVRSHIPTRAIN_STR, 
MANDT TYPE STRING,
BUSINESSPARTNER TYPE STRING,
BHVRLINSGTSACCOUNTNUMBER TYPE STRING,
BHVRLINSGTSSUBACCOUNTNUMBER TYPE STRING,
BHVRLINSGTSCALDATE TYPE STRING,
BUSINESSPARTNERTYPE TYPE STRING,
BPGROUPINGCHARACTER TYPE STRING,
NROFLATEPAYMENTPENALTY12MONTH TYPE STRING,
NROFLATESUBMSNPENALTY12MONTH TYPE STRING,
NUMBEROFLATESUBMISSION12MONTH TYPE STRING,
NUMBEROFTAXCORRECTION12MONTH TYPE STRING,
NROFINTERESTDOCUMENT12MONTH TYPE STRING,
NROFNOCLEARINGDOCUMENT12MONTH TYPE STRING,
NUMBEROFTRANSFERPOSTING12MONTH TYPE STRING,
NUMBEROFCREATEDAUDIT12MONTH TYPE STRING,
NUMBEROFAUDITASSESSMENT12MONTH TYPE STRING,
NUMBEROFOBJECTION12MONTH TYPE STRING,
NUMBEROFNOSUBMISSION12MONTH TYPE STRING,
NROFNOCLEARINGDOCUMENT6MONTH TYPE STRING,
NROFLATEPAYMENTPENALTY6MONTH TYPE STRING,
NUMBEROFLATESUBMISSION6MONTH TYPE STRING,
NROFLATESUBMSNPENALTY6MONTH TYPE STRING,
NROFLATEPAYMENTPENALTY2MONTH TYPE STRING,
NUMBEROFLATESUBMISSION2MONTH TYPE STRING,
NROFLATESUBMSNPENALTY2MONTH TYPE STRING,
NROFNOCLEARINGDOCUMENT2MONTH 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,
NUMBEROFDUNNING6MONTH TYPE STRING,
NUMBEROFDUNNING2MONTH TYPE STRING,
DUEAMOUNTINLOCALCURRENCY TYPE STRING,
CHGINDUEAMTVALUE TYPE STRING,
EXTERNALEVENTHASAFFECTED TYPE STRING,
BHVRLINSGTSTGTVAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRCVRSHIPTRAIN_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_CRCVRSHIPTRAIN_STR-MANDT sy-vline 
WA_CRCVRSHIPTRAIN_STR-BUSINESSPARTNER sy-vline 
WA_CRCVRSHIPTRAIN_STR-BHVRLINSGTSACCOUNTNUMBER sy-vline 
WA_CRCVRSHIPTRAIN_STR-BHVRLINSGTSSUBACCOUNTNUMBER sy-vline 
WA_CRCVRSHIPTRAIN_STR-BHVRLINSGTSCALDATE sy-vline 
WA_CRCVRSHIPTRAIN_STR-BUSINESSPARTNERTYPE sy-vline 
WA_CRCVRSHIPTRAIN_STR-BPGROUPINGCHARACTER sy-vline 
WA_CRCVRSHIPTRAIN_STR-NROFLATEPAYMENTPENALTY12MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NROFLATESUBMSNPENALTY12MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFLATESUBMISSION12MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFTAXCORRECTION12MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NROFINTERESTDOCUMENT12MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NROFNOCLEARINGDOCUMENT12MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFTRANSFERPOSTING12MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFCREATEDAUDIT12MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFAUDITASSESSMENT12MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFOBJECTION12MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFNOSUBMISSION12MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NROFNOCLEARINGDOCUMENT6MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NROFLATEPAYMENTPENALTY6MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFLATESUBMISSION6MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NROFLATESUBMSNPENALTY6MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NROFLATEPAYMENTPENALTY2MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFLATESUBMISSION2MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NROFLATESUBMSNPENALTY2MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NROFNOCLEARINGDOCUMENT2MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFLEVEL01DUNNINGNONFILER sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFLEVEL02DUNNINGNONFILER sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFLEVEL03DUNNINGNONFILER sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFLEVEL04DUNNINGNONFILER sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFLEVEL01DUNNINGNONPAYER sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFLEVEL02DUNNINGNONPAYER sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFLEVEL03DUNNINGNONPAYER sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFLEVEL04DUNNINGNONPAYER sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFDUNNING6MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-NUMBEROFDUNNING2MONTH sy-vline 
WA_CRCVRSHIPTRAIN_STR-DUEAMOUNTINLOCALCURRENCY sy-vline 
WA_CRCVRSHIPTRAIN_STR-CHGINDUEAMTVALUE sy-vline 
WA_CRCVRSHIPTRAIN_STR-EXTERNALEVENTHASAFFECTED sy-vline 
WA_CRCVRSHIPTRAIN_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.