ABAP Select data from SAP table CNVTDMS_CR_BDOC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CNVTDMS_CR_BDOC
*  INTO TABLE @DATA(IT_CNVTDMS_CR_BDOC2).
*--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_CNVTDMS_CR_BDOC INDEX 1 INTO DATA(WA_CNVTDMS_CR_BDOC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CNVTDMS_CR_BDOC>-CLIENT = 1.
<CNVTDMS_CR_BDOC>-BDOC_ID = 1.
<CNVTDMS_CR_BDOC>-BDOC_TYPE = 1.
<CNVTDMS_CR_BDOC>-BDOC_STATE = 1.
<CNVTDMS_CR_BDOC>-VAL_STATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CNVTDMS_CR_BDOC-FCTXT, sy-vline,
  WA_CNVTDMS_CR_BDOC-SITE_ID, sy-vline,
  WA_CNVTDMS_CR_BDOC-ROOT_ID, sy-vline,
  WA_CNVTDMS_CR_BDOC-MSG_TYPE, sy-vline,
  WA_CNVTDMS_CR_BDOC-SND_DATE, sy-vline,
  WA_CNVTDMS_CR_BDOC-SND_TIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CNVTDMS_CR_BDOC 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_CNVTDMS_CR_BDOC 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_CNVTDMS_CR_BDOC INTO WA_CNVTDMS_CR_BDOC.


*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_CNVTDMS_CR_BDOC_STR, 
CLIENT TYPE STRING,
BDOC_ID TYPE STRING,
BDOC_TYPE TYPE STRING,
BDOC_STATE TYPE STRING,
VAL_STATE TYPE STRING,
FCTXT TYPE STRING,
SITE_ID TYPE STRING,
ROOT_ID TYPE STRING,
MSG_TYPE TYPE STRING,
SND_DATE TYPE STRING,
SND_TIME TYPE STRING,
SND_USER TYPE STRING,
RCV_DATE TYPE STRING,
RCV_TIME TYPE STRING,
CRE_USER TYPE STRING,
CRE_TSTMP TYPE STRING,
UPD_USER TYPE STRING,
UPD_DATE TYPE STRING,
UPD_TIME TYPE STRING,
DDIC1 TYPE STRING,
DDIC2 TYPE STRING,
LOCKCOUNT TYPE STRING,
ERRCOUNT TYPE STRING,
REFBDOC_ID TYPE STRING,
ORGBDOC_ID TYPE STRING,
REQBDOC_ID TYPE STRING,
STORED_XML TYPE STRING,
KEEP_MSG TYPE STRING,
OPENKEY TYPE STRING,
SYNCHMODE TYPE STRING,
DBGMODE TYPE STRING,
PROCESSTYP TYPE STRING,
PROCESSID TYPE STRING,
INST_IND TYPE STRING,
QNAME TYPE STRING,
INQSTOP TYPE STRING,
ERRHCALLED TYPE STRING,
ERRITMCRTD TYPE STRING,
ARFCIPID TYPE STRING,
ARFCPID TYPE STRING,
ARFCTIME TYPE STRING,
ARFCTIDCNT TYPE STRING,
PARTIALVAL TYPE STRING,
SMW3OPT_DOREJECT TYPE STRING,
MIGR_OBJ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CNVTDMS_CR_BDOC_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_CNVTDMS_CR_BDOC_STR-CLIENT sy-vline 
WA_CNVTDMS_CR_BDOC_STR-BDOC_ID sy-vline 
WA_CNVTDMS_CR_BDOC_STR-BDOC_TYPE sy-vline 
WA_CNVTDMS_CR_BDOC_STR-BDOC_STATE sy-vline 
WA_CNVTDMS_CR_BDOC_STR-VAL_STATE sy-vline 
WA_CNVTDMS_CR_BDOC_STR-FCTXT sy-vline 
WA_CNVTDMS_CR_BDOC_STR-SITE_ID sy-vline 
WA_CNVTDMS_CR_BDOC_STR-ROOT_ID sy-vline 
WA_CNVTDMS_CR_BDOC_STR-MSG_TYPE sy-vline 
WA_CNVTDMS_CR_BDOC_STR-SND_DATE sy-vline 
WA_CNVTDMS_CR_BDOC_STR-SND_TIME sy-vline 
WA_CNVTDMS_CR_BDOC_STR-SND_USER sy-vline 
WA_CNVTDMS_CR_BDOC_STR-RCV_DATE sy-vline 
WA_CNVTDMS_CR_BDOC_STR-RCV_TIME sy-vline 
WA_CNVTDMS_CR_BDOC_STR-CRE_USER sy-vline 
WA_CNVTDMS_CR_BDOC_STR-CRE_TSTMP sy-vline 
WA_CNVTDMS_CR_BDOC_STR-UPD_USER sy-vline 
WA_CNVTDMS_CR_BDOC_STR-UPD_DATE sy-vline 
WA_CNVTDMS_CR_BDOC_STR-UPD_TIME sy-vline 
WA_CNVTDMS_CR_BDOC_STR-DDIC1 sy-vline 
WA_CNVTDMS_CR_BDOC_STR-DDIC2 sy-vline 
WA_CNVTDMS_CR_BDOC_STR-LOCKCOUNT sy-vline 
WA_CNVTDMS_CR_BDOC_STR-ERRCOUNT sy-vline 
WA_CNVTDMS_CR_BDOC_STR-REFBDOC_ID sy-vline 
WA_CNVTDMS_CR_BDOC_STR-ORGBDOC_ID sy-vline 
WA_CNVTDMS_CR_BDOC_STR-REQBDOC_ID sy-vline 
WA_CNVTDMS_CR_BDOC_STR-STORED_XML sy-vline 
WA_CNVTDMS_CR_BDOC_STR-KEEP_MSG sy-vline 
WA_CNVTDMS_CR_BDOC_STR-OPENKEY sy-vline 
WA_CNVTDMS_CR_BDOC_STR-SYNCHMODE sy-vline 
WA_CNVTDMS_CR_BDOC_STR-DBGMODE sy-vline 
WA_CNVTDMS_CR_BDOC_STR-PROCESSTYP sy-vline 
WA_CNVTDMS_CR_BDOC_STR-PROCESSID sy-vline 
WA_CNVTDMS_CR_BDOC_STR-INST_IND sy-vline 
WA_CNVTDMS_CR_BDOC_STR-QNAME sy-vline 
WA_CNVTDMS_CR_BDOC_STR-INQSTOP sy-vline 
WA_CNVTDMS_CR_BDOC_STR-ERRHCALLED sy-vline 
WA_CNVTDMS_CR_BDOC_STR-ERRITMCRTD sy-vline 
WA_CNVTDMS_CR_BDOC_STR-ARFCIPID sy-vline 
WA_CNVTDMS_CR_BDOC_STR-ARFCPID sy-vline 
WA_CNVTDMS_CR_BDOC_STR-ARFCTIME sy-vline 
WA_CNVTDMS_CR_BDOC_STR-ARFCTIDCNT sy-vline 
WA_CNVTDMS_CR_BDOC_STR-PARTIALVAL sy-vline 
WA_CNVTDMS_CR_BDOC_STR-SMW3OPT_DOREJECT sy-vline 
WA_CNVTDMS_CR_BDOC_STR-MIGR_OBJ sy-vline      INTO ld_text SEPARATED BY SPACE.

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