ABAP Select data from SAP table CCRDTACCTTODOQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCRDTACCTTODOQ
*  INTO TABLE @DATA(IT_CCRDTACCTTODOQ2).
*--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_CCRDTACCTTODOQ INDEX 1 INTO DATA(WA_CCRDTACCTTODOQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCRDTACCTTODOQ>-MANDT = 1.
<CCRDTACCTTODOQ>-BUSINESSPARTNER = 1.
<CCRDTACCTTODOQ>-CREDITSEGMENT = 1.
<CCRDTACCTTODOQ>-CREDITRISKCLASS = 1.
<CCRDTACCTTODOQ>-CRDTMGMTBUSINESSPARTNERGROUP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCRDTACCTTODOQ-CREDITANALYST, sy-vline,
  WA_CCRDTACCTTODOQ-COUNTRY, sy-vline,
  WA_CCRDTACCTTODOQ-REGION, sy-vline,
  WA_CCRDTACCTTODOQ-DISPLAYCURRENCY, sy-vline,
  WA_CCRDTACCTTODOQ-CUSTOMERCREDITEXPOSUREAMOUNT, sy-vline,
  WA_CCRDTACCTTODOQ-CUSTOMERCREDITLIMITAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCRDTACCTTODOQ 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_CCRDTACCTTODOQ 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_CCRDTACCTTODOQ INTO WA_CCRDTACCTTODOQ.


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

*Conversion exit ALPHA, internal->external for field CREDITANALYST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCRDTACCTTODOQ-CREDITANALYST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCRDTACCTTODOQ-CREDITANALYST.
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_CCRDTACCTTODOQ_STR, 
MANDT TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CREDITSEGMENT TYPE STRING,
CREDITRISKCLASS TYPE STRING,
CRDTMGMTBUSINESSPARTNERGROUP TYPE STRING,
CREDITANALYST TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
CUSTOMERCREDITEXPOSUREAMOUNT TYPE STRING,
CUSTOMERCREDITLIMITAMOUNT TYPE STRING,
CREDITACCOUNTRESUBMISSIONDATE TYPE STRING,
BUSINESSPARTNERISCRITICAL TYPE STRING,
CREDITLIMITISZERO TYPE STRING,
CREDITACCOUNTBLOCKREASON TYPE STRING,
NUMBEROFCREDITDECISIONDOCS TYPE STRING,
NUMBEROFCREDITLIMITREQUESTS TYPE STRING,
NUMBEROFRESUBMISSIONS TYPE STRING,
BPHASCREDITDECISIONDOCUMENT TYPE STRING,
BPHASCREDITLIMITREQUEST TYPE STRING,
BPHASRESUBMISSION TYPE STRING,
CREDITLIMITUTILIZATIONPCT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCRDTACCTTODOQ_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_CCRDTACCTTODOQ_STR-MANDT sy-vline 
WA_CCRDTACCTTODOQ_STR-BUSINESSPARTNER sy-vline 
WA_CCRDTACCTTODOQ_STR-CREDITSEGMENT sy-vline 
WA_CCRDTACCTTODOQ_STR-CREDITRISKCLASS sy-vline 
WA_CCRDTACCTTODOQ_STR-CRDTMGMTBUSINESSPARTNERGROUP sy-vline 
WA_CCRDTACCTTODOQ_STR-CREDITANALYST sy-vline 
WA_CCRDTACCTTODOQ_STR-COUNTRY sy-vline 
WA_CCRDTACCTTODOQ_STR-REGION sy-vline 
WA_CCRDTACCTTODOQ_STR-DISPLAYCURRENCY sy-vline 
WA_CCRDTACCTTODOQ_STR-CUSTOMERCREDITEXPOSUREAMOUNT sy-vline 
WA_CCRDTACCTTODOQ_STR-CUSTOMERCREDITLIMITAMOUNT sy-vline 
WA_CCRDTACCTTODOQ_STR-CREDITACCOUNTRESUBMISSIONDATE sy-vline 
WA_CCRDTACCTTODOQ_STR-BUSINESSPARTNERISCRITICAL sy-vline 
WA_CCRDTACCTTODOQ_STR-CREDITLIMITISZERO sy-vline 
WA_CCRDTACCTTODOQ_STR-CREDITACCOUNTBLOCKREASON sy-vline 
WA_CCRDTACCTTODOQ_STR-NUMBEROFCREDITDECISIONDOCS sy-vline 
WA_CCRDTACCTTODOQ_STR-NUMBEROFCREDITLIMITREQUESTS sy-vline 
WA_CCRDTACCTTODOQ_STR-NUMBEROFRESUBMISSIONS sy-vline 
WA_CCRDTACCTTODOQ_STR-BPHASCREDITDECISIONDOCUMENT sy-vline 
WA_CCRDTACCTTODOQ_STR-BPHASCREDITLIMITREQUEST sy-vline 
WA_CCRDTACCTTODOQ_STR-BPHASRESUBMISSION sy-vline 
WA_CCRDTACCTTODOQ_STR-CREDITLIMITUTILIZATIONPCT sy-vline      INTO ld_text SEPARATED BY SPACE.

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