ABAP Select data from SAP table CUNPDGQUERY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CUNPDGQUERY
*  INTO TABLE @DATA(IT_CUNPDGQUERY2).
*--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_CUNPDGQUERY INDEX 1 INTO DATA(WA_CUNPDGQUERY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CUNPDGQUERY>-MANDT = 1.
<CUNPDGQUERY>-CMPLRQRSLTUUID = 1.
<CUNPDGQUERY>-CMPLRQPATTERN = 1.
<CUNPDGQUERY>-CMPLNCPRPSUUID = 1.
<CUNPDGQUERY>-CMPLNCPRPSNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CUNPDGQUERY-COMPLIANCEREQUIREMENT, sy-vline,
  WA_CUNPDGQUERY-CMPLRQVERSNAME, sy-vline,
  WA_CUNPDGQUERY-CHMLCMPLNCINFOUUID, sy-vline,
  WA_CUNPDGQUERY-CHMLCMPLNCINTERNALNAME, sy-vline,
  WA_CUNPDGQUERY-PRODUCT, sy-vline,
  WA_CUNPDGQUERY-PRODUCTNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CUNPDGQUERY 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_CUNPDGQUERY 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_CUNPDGQUERY INTO WA_CUNPDGQUERY.


*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 MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CUNPDGQUERY-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CUNPDGQUERY-PRODUCT.
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_CUNPDGQUERY_STR, 
MANDT TYPE STRING,
CMPLRQRSLTUUID TYPE STRING,
CMPLRQPATTERN TYPE STRING,
CMPLNCPRPSUUID TYPE STRING,
CMPLNCPRPSNAME TYPE STRING,
COMPLIANCEREQUIREMENT TYPE STRING,
CMPLRQVERSNAME TYPE STRING,
CHMLCMPLNCINFOUUID TYPE STRING,
CHMLCMPLNCINTERNALNAME TYPE STRING,
PRODUCT TYPE STRING,
PRODUCTNAME TYPE STRING,
CMPLRQRSLTPROCESSINGSTATUS TYPE STRING,
PROCESSINGSTATUSTEXT TYPE STRING,
CMPLRQRSLTMANUALSTATUS TYPE STRING,
TRANSPORTPERMISSIONNAME TYPE STRING,
CLASSIFIEDASDANGEROUSGOOD TYPE STRING,
CLASSIFIEDASDANGEROUSGOODNAME TYPE STRING,
DANGEROUSGOODSIDNNUMBER TYPE STRING,
DANGEROUSGOODSIDNNUMBERTYPE TYPE STRING,
DANGEROUSGOODSIDNNUMBERCNCTNTD TYPE STRING,
DANGEROUSGOODSCLASS TYPE STRING,
DANGEROUSGOODSPACKINGGROUP TYPE STRING,
NMBROFCMPLRQRSLTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CUNPDGQUERY_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_CUNPDGQUERY_STR-MANDT sy-vline 
WA_CUNPDGQUERY_STR-CMPLRQRSLTUUID sy-vline 
WA_CUNPDGQUERY_STR-CMPLRQPATTERN sy-vline 
WA_CUNPDGQUERY_STR-CMPLNCPRPSUUID sy-vline 
WA_CUNPDGQUERY_STR-CMPLNCPRPSNAME sy-vline 
WA_CUNPDGQUERY_STR-COMPLIANCEREQUIREMENT sy-vline 
WA_CUNPDGQUERY_STR-CMPLRQVERSNAME sy-vline 
WA_CUNPDGQUERY_STR-CHMLCMPLNCINFOUUID sy-vline 
WA_CUNPDGQUERY_STR-CHMLCMPLNCINTERNALNAME sy-vline 
WA_CUNPDGQUERY_STR-PRODUCT sy-vline 
WA_CUNPDGQUERY_STR-PRODUCTNAME sy-vline 
WA_CUNPDGQUERY_STR-CMPLRQRSLTPROCESSINGSTATUS sy-vline 
WA_CUNPDGQUERY_STR-PROCESSINGSTATUSTEXT sy-vline 
WA_CUNPDGQUERY_STR-CMPLRQRSLTMANUALSTATUS sy-vline 
WA_CUNPDGQUERY_STR-TRANSPORTPERMISSIONNAME sy-vline 
WA_CUNPDGQUERY_STR-CLASSIFIEDASDANGEROUSGOOD sy-vline 
WA_CUNPDGQUERY_STR-CLASSIFIEDASDANGEROUSGOODNAME sy-vline 
WA_CUNPDGQUERY_STR-DANGEROUSGOODSIDNNUMBER sy-vline 
WA_CUNPDGQUERY_STR-DANGEROUSGOODSIDNNUMBERTYPE sy-vline 
WA_CUNPDGQUERY_STR-DANGEROUSGOODSIDNNUMBERCNCTNTD sy-vline 
WA_CUNPDGQUERY_STR-DANGEROUSGOODSCLASS sy-vline 
WA_CUNPDGQUERY_STR-DANGEROUSGOODSPACKINGGROUP sy-vline 
WA_CUNPDGQUERY_STR-NMBROFCMPLRQRSLTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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