ABAP Select data from SAP table CTORROOTDSACANAQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CTORROOTDSACANAQ
*  INTO TABLE @DATA(IT_CTORROOTDSACANAQ2).
*--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_CTORROOTDSACANAQ INDEX 1 INTO DATA(WA_CTORROOTDSACANAQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CTORROOTDSACANAQ>-MANDT = 1.
<CTORROOTDSACANAQ>-FREIGHTORDER = 1.
<CTORROOTDSACANAQ>-TRANSPORDITEM = 1.
<CTORROOTDSACANAQ>-TRANSPORDITEMDESC = 1.
<CTORROOTDSACANAQ>-NUMBEROFFREIGHTORDERS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CTORROOTDSACANAQ-TRANSPORDITEMTYPE, sy-vline,
  WA_CTORROOTDSACANAQ-TRANSPORDITEMTYPEDESC, sy-vline,
  WA_CTORROOTDSACANAQ-TRANSPORDITEMCATEGORY, sy-vline,
  WA_CTORROOTDSACANAQ-TRANSPORDITEMCATEGORYDESC, sy-vline,
  WA_CTORROOTDSACANAQ-CREATEDBYUSER, sy-vline,
  WA_CTORROOTDSACANAQ-TRANSPORDCREATIONDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CTORROOTDSACANAQ 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_CTORROOTDSACANAQ 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_CTORROOTDSACANAQ INTO WA_CTORROOTDSACANAQ.


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

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

*Conversion exit CUNIT, internal->external for field DISPLAYWEIGHTUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CTORROOTDSACANAQ-DISPLAYWEIGHTUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CTORROOTDSACANAQ-DISPLAYWEIGHTUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DISPLAYVOLUMEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CTORROOTDSACANAQ-DISPLAYVOLUMEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CTORROOTDSACANAQ-DISPLAYVOLUMEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DISPLAYQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CTORROOTDSACANAQ-DISPLAYQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CTORROOTDSACANAQ-DISPLAYQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DISPLAYNMBROFCTNSUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CTORROOTDSACANAQ-DISPLAYNMBROFCTNSUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CTORROOTDSACANAQ-DISPLAYNMBROFCTNSUNIT.
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_CTORROOTDSACANAQ_STR, 
MANDT TYPE STRING,
FREIGHTORDER TYPE STRING,
TRANSPORDITEM TYPE STRING,
TRANSPORDITEMDESC TYPE STRING,
NUMBEROFFREIGHTORDERS TYPE STRING,
TRANSPORDITEMTYPE TYPE STRING,
TRANSPORDITEMTYPEDESC TYPE STRING,
TRANSPORDITEMCATEGORY TYPE STRING,
TRANSPORDITEMCATEGORYDESC TYPE STRING,
CREATEDBYUSER TYPE STRING,
TRANSPORDCREATIONDATE TYPE STRING,
TRANSPORDCREATIONYEARWEEK TYPE STRING,
TRANSPORDCREATIONYEARMONTH TYPE STRING,
TRANSPORDCREATIONYEARQUARTER TYPE STRING,
TRANSPORDCREATIONYEAR TYPE STRING,
TRANSPORDITEMSRCELOCATION TYPE STRING,
TRANSPORDITEMSRCELOCATIONNAME TYPE STRING,
TRANSPORDITEMSRCELOCATIONTYPE TYPE STRING,
TRANSPORDITEMSRCELOCTYPENAME TYPE STRING,
TRANSPORDITEMDESTLOCATION TYPE STRING,
TRANSPORDITEMDESTLOCATIONNAME TYPE STRING,
TRANSPORDITEMDESTLOCATIONTYPE TYPE STRING,
TRANSPORDITEMDESTLOCTYPENAME TYPE STRING,
TRANSPORTATIONMODE TYPE STRING,
TRANSPORTATIONMODEDESC TYPE STRING,
TRANSPORTATIONMODECATEGORY TYPE STRING,
TRANSPORTATIONMODECATEGORYDESC TYPE STRING,
DISPLAYWEIGHTUNIT TYPE STRING,
TRANSPORDITEMGRSSWGTINDSPUNIT TYPE STRING,
DISPLAYVOLUMEUNIT TYPE STRING,
TRANSPORDITEMGRSSVOLINDSPUNIT TYPE STRING,
DISPLAYQUANTITYUNIT TYPE STRING,
TRANSPORDITEMQTYINDISPLAYUNIT TYPE STRING,
DISPLAYNMBROFCTNSUNIT TYPE STRING,
TRANSPORDITMCTNSQTYINDSPUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CTORROOTDSACANAQ_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_CTORROOTDSACANAQ_STR-MANDT sy-vline 
WA_CTORROOTDSACANAQ_STR-FREIGHTORDER sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEM sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMDESC sy-vline 
WA_CTORROOTDSACANAQ_STR-NUMBEROFFREIGHTORDERS sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMTYPE sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMTYPEDESC sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMCATEGORY sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMCATEGORYDESC sy-vline 
WA_CTORROOTDSACANAQ_STR-CREATEDBYUSER sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDCREATIONDATE sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDCREATIONYEARWEEK sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDCREATIONYEARMONTH sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDCREATIONYEARQUARTER sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDCREATIONYEAR sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMSRCELOCATION sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMSRCELOCATIONNAME sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMSRCELOCATIONTYPE sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMSRCELOCTYPENAME sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMDESTLOCATION sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMDESTLOCATIONNAME sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMDESTLOCATIONTYPE sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMDESTLOCTYPENAME sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORTATIONMODE sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORTATIONMODEDESC sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORTATIONMODECATEGORY sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORTATIONMODECATEGORYDESC sy-vline 
WA_CTORROOTDSACANAQ_STR-DISPLAYWEIGHTUNIT sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMGRSSWGTINDSPUNIT sy-vline 
WA_CTORROOTDSACANAQ_STR-DISPLAYVOLUMEUNIT sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMGRSSVOLINDSPUNIT sy-vline 
WA_CTORROOTDSACANAQ_STR-DISPLAYQUANTITYUNIT sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITEMQTYINDISPLAYUNIT sy-vline 
WA_CTORROOTDSACANAQ_STR-DISPLAYNMBROFCTNSUNIT sy-vline 
WA_CTORROOTDSACANAQ_STR-TRANSPORDITMCTNSQTYINDSPUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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