ABAP Select data from SAP table CCREDITLNUTILQRY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCREDITLNUTILQRY
*  INTO TABLE @DATA(IT_CCREDITLNUTILQRY2).
*--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_CCREDITLNUTILQRY INDEX 1 INTO DATA(WA_CCREDITLNUTILQRY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCREDITLNUTILQRY>-MANDT = 1.
<CCREDITLNUTILQRY>-COMPANYCODE = 1.
<CCREDITLNUTILQRY>-FINANCIALTRANSACTION = 1.
<CCREDITLNUTILQRY>-CALENDARDATE = 1.
<CCREDITLNUTILQRY>-COUNTERPARTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCREDITLNUTILQRY-SYNDICATEDCOUNTERPARTY, sy-vline,
  WA_CCREDITLNUTILQRY-FINANCIALINSTRUMENTPRODUCTTYPE, sy-vline,
  WA_CCREDITLNUTILQRY-FINANCIALINSTRTRANSACTIONTYPE, sy-vline,
  WA_CCREDITLNUTILQRY-TRANSACTIONCURRENCY, sy-vline,
  WA_CCREDITLNUTILQRY-DISPLAYCURRENCY, sy-vline,
  WA_CCREDITLNUTILQRY-UTILIZEDAMOUNTINTRANSCRCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCREDITLNUTILQRY 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_CCREDITLNUTILQRY 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_CCREDITLNUTILQRY INTO WA_CCREDITLNUTILQRY.


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

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

*Conversion exit ALPHA, internal->external for field SYNDICATEDCOUNTERPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCREDITLNUTILQRY-SYNDICATEDCOUNTERPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCREDITLNUTILQRY-SYNDICATEDCOUNTERPARTY.
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_CCREDITLNUTILQRY_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
FINANCIALTRANSACTION TYPE STRING,
CALENDARDATE TYPE STRING,
COUNTERPARTY TYPE STRING,
SYNDICATEDCOUNTERPARTY TYPE STRING,
FINANCIALINSTRUMENTPRODUCTTYPE TYPE STRING,
FINANCIALINSTRTRANSACTIONTYPE TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
UTILIZEDAMOUNTINTRANSCRCY TYPE STRING,
TOTALAMOUNTINTRANSACTIONCRCY TYPE STRING,
FREECREDITLINEAMTINTRANSCRCY TYPE STRING,
TOTALAMOUNTINDISPLAYCRCY TYPE STRING,
UTILIZEDAMOUNTINDISPLAYCRCY TYPE STRING,
FREECREDITLINEAMTINDSPCRCY TYPE STRING,
TOTALAMTINDSPCRCYOFSTRTDAY TYPE STRING,
UTILIZEDAMTINDSPCRCYOFSTRTDAY TYPE STRING,
EXCHANGERATETYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCREDITLNUTILQRY_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_CCREDITLNUTILQRY_STR-MANDT sy-vline 
WA_CCREDITLNUTILQRY_STR-COMPANYCODE sy-vline 
WA_CCREDITLNUTILQRY_STR-FINANCIALTRANSACTION sy-vline 
WA_CCREDITLNUTILQRY_STR-CALENDARDATE sy-vline 
WA_CCREDITLNUTILQRY_STR-COUNTERPARTY sy-vline 
WA_CCREDITLNUTILQRY_STR-SYNDICATEDCOUNTERPARTY sy-vline 
WA_CCREDITLNUTILQRY_STR-FINANCIALINSTRUMENTPRODUCTTYPE sy-vline 
WA_CCREDITLNUTILQRY_STR-FINANCIALINSTRTRANSACTIONTYPE sy-vline 
WA_CCREDITLNUTILQRY_STR-TRANSACTIONCURRENCY sy-vline 
WA_CCREDITLNUTILQRY_STR-DISPLAYCURRENCY sy-vline 
WA_CCREDITLNUTILQRY_STR-UTILIZEDAMOUNTINTRANSCRCY sy-vline 
WA_CCREDITLNUTILQRY_STR-TOTALAMOUNTINTRANSACTIONCRCY sy-vline 
WA_CCREDITLNUTILQRY_STR-FREECREDITLINEAMTINTRANSCRCY sy-vline 
WA_CCREDITLNUTILQRY_STR-TOTALAMOUNTINDISPLAYCRCY sy-vline 
WA_CCREDITLNUTILQRY_STR-UTILIZEDAMOUNTINDISPLAYCRCY sy-vline 
WA_CCREDITLNUTILQRY_STR-FREECREDITLINEAMTINDSPCRCY sy-vline 
WA_CCREDITLNUTILQRY_STR-TOTALAMTINDSPCRCYOFSTRTDAY sy-vline 
WA_CCREDITLNUTILQRY_STR-UTILIZEDAMTINDSPCRCYOFSTRTDAY sy-vline 
WA_CCREDITLNUTILQRY_STR-EXCHANGERATETYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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