ABAP Select data from SAP table CPTWTCDQUERY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPTWTCDQUERY
*  INTO TABLE @DATA(IT_CPTWTCDQUERY2).
*--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_CPTWTCDQUERY INDEX 1 INTO DATA(WA_CPTWTCDQUERY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPTWTCDQUERY>-MANDT = 1.
<CPTWTCDQUERY>-ACCOUNTINGDOCUMENT = 1.
<CPTWTCDQUERY>-COMPANYCODE = 1.
<CPTWTCDQUERY>-FISCALYEAR = 1.
<CPTWTCDQUERY>-ACCOUNTINGDOCUMENTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPTWTCDQUERY-STATRYRPTCATEGORY, sy-vline,
  WA_CPTWTCDQUERY-STATRYRPTGENTITY, sy-vline,
  WA_CPTWTCDQUERY-STATRYRPTRUNID, sy-vline,
  WA_CPTWTCDQUERY-REPORTINGVATREGISTRATION, sy-vline,
  WA_CPTWTCDQUERY-POSTINGDATE, sy-vline,
  WA_CPTWTCDQUERY-DOCUMENTDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPTWTCDQUERY 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_CPTWTCDQUERY 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_CPTWTCDQUERY INTO WA_CPTWTCDQUERY.


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

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CPTWTCDQUERY-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPTWTCDQUERY-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit AC172, internal->external for field AMOUNTINREPORTINGCURRENCY
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_CPTWTCDQUERY-AMOUNTINREPORTINGCURRENCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPTWTCDQUERY-AMOUNTINREPORTINGCURRENCY.
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_CPTWTCDQUERY_STR, 
MANDT TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
REPORTINGVATREGISTRATION TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIER TYPE STRING,
DEBITCREDITCODE TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
ISSALESRELATED TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
AMOUNTINREPORTINGCURRENCY TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
WITHHOLDINGTAXAMOUNT TYPE STRING,
CASHDISCOUNTAMOUNT TYPE STRING,
VATREGISTRATIONCOUNTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPTWTCDQUERY_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_CPTWTCDQUERY_STR-MANDT sy-vline 
WA_CPTWTCDQUERY_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CPTWTCDQUERY_STR-COMPANYCODE sy-vline 
WA_CPTWTCDQUERY_STR-FISCALYEAR sy-vline 
WA_CPTWTCDQUERY_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_CPTWTCDQUERY_STR-STATRYRPTCATEGORY sy-vline 
WA_CPTWTCDQUERY_STR-STATRYRPTGENTITY sy-vline 
WA_CPTWTCDQUERY_STR-STATRYRPTRUNID sy-vline 
WA_CPTWTCDQUERY_STR-REPORTINGVATREGISTRATION sy-vline 
WA_CPTWTCDQUERY_STR-POSTINGDATE sy-vline 
WA_CPTWTCDQUERY_STR-DOCUMENTDATE sy-vline 
WA_CPTWTCDQUERY_STR-CUSTOMER sy-vline 
WA_CPTWTCDQUERY_STR-SUPPLIER sy-vline 
WA_CPTWTCDQUERY_STR-DEBITCREDITCODE sy-vline 
WA_CPTWTCDQUERY_STR-COMPANYCODECURRENCY sy-vline 
WA_CPTWTCDQUERY_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_CPTWTCDQUERY_STR-ISSALESRELATED sy-vline 
WA_CPTWTCDQUERY_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_CPTWTCDQUERY_STR-AMOUNTINREPORTINGCURRENCY sy-vline 
WA_CPTWTCDQUERY_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_CPTWTCDQUERY_STR-WITHHOLDINGTAXAMOUNT sy-vline 
WA_CPTWTCDQUERY_STR-CASHDISCOUNTAMOUNT sy-vline 
WA_CPTWTCDQUERY_STR-VATREGISTRATIONCOUNTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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