ABAP Select data from SAP table CCCOMPONENT into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CCCOMPONENT 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 CCCOMPONENT. 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 CCCOMPONENT 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_CCCOMPONENT TYPE STANDARD TABLE OF CCCOMPONENT,
      WA_CCCOMPONENT TYPE CCCOMPONENT,
      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: <CCCOMPONENT> TYPE CCCOMPONENT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCCOMPONENT
*  INTO TABLE @DATA(IT_CCCOMPONENT2).
*--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_CCCOMPONENT INDEX 1 INTO DATA(WA_CCCOMPONENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCCOMPONENT>-MANDT = 1.
<CCCOMPONENT>-CHMLCOMPUUID = 1.
<CCCOMPONENT>-PCPHYSPRPTYNAVGNLINKUUID = 1.
<CCCOMPONENT>-ACTIVECHMLCOMPUUID = 1.
<CCCOMPONENT>-CHMLCOMPOSITIONUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCCOMPONENT-CHMLCMPLNCINFOUUID, sy-vline,
  WA_CCCOMPONENT-SUBSTANCEUUID, sy-vline,
  WA_CCCOMPONENT-SUBSTANCENAME, sy-vline,
  WA_CCCOMPONENT-CASNUMBER, sy-vline,
  WA_CCCOMPONENT-ECNUMBER, sy-vline,
  WA_CCCOMPONENT-COMPANYSUBSTANCENAVGNLINK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCCOMPONENT 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_CCCOMPONENT 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_CCCOMPONENT INTO WA_CCCOMPONENT.


*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 SPEC1, internal->external for field SPECIFICATIONNAVGNLINK
CALL FUNCTION 'CONVERSION_EXIT_SPEC1_OUTPUT'
  EXPORTING
    input =                      WA_CCCOMPONENT-SPECIFICATIONNAVGNLINK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCCOMPONENT-SPECIFICATIONNAVGNLINK.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field CHMLCOMPRELDQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCCOMPONENT-CHMLCOMPRELDQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCCOMPONENT-CHMLCOMPRELDQTYUNIT.
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_CCCOMPONENT_STR, 
MANDT TYPE STRING,
CHMLCOMPUUID TYPE STRING,
PCPHYSPRPTYNAVGNLINKUUID TYPE STRING,
ACTIVECHMLCOMPUUID TYPE STRING,
CHMLCOMPOSITIONUUID TYPE STRING,
CHMLCMPLNCINFOUUID TYPE STRING,
SUBSTANCEUUID TYPE STRING,
SUBSTANCENAME TYPE STRING,
CASNUMBER TYPE STRING,
ECNUMBER TYPE STRING,
COMPANYSUBSTANCENAVGNLINK TYPE STRING,
SPECIFICATIONNAVGNLINK TYPE STRING,
CHMLCOMPCHANGESTATUS TYPE STRING,
CHMLCOMPCHANGESTATUSTEXT TYPE STRING,
CHMLCOMPCHANGESTSSORT TYPE STRING,
CHMLCOMPISREMOVED TYPE STRING,
CHMLCOMPTYPE TYPE STRING,
CHMLCOMPTYPENAME TYPE STRING,
CHMLCOMPRELDTYPE TYPE STRING,
CHMLCOMPRELDTYPENAME TYPE STRING,
CHMLCOMPQTYASTEXT TYPE STRING,
CHMLCOMPRELDQTYASTEXT TYPE STRING,
CHMLCOMPQTYUNIT TYPE STRING,
UNITOFMEASURENAME TYPE STRING,
CHMLCOMPRELDQTYUNIT TYPE STRING,
CHMLCOMPRELDQTYUNITTEXT TYPE STRING,
CHMLCOMPLOWERLIMITQTYOPTR TYPE STRING,
CHMLCOMPLOWERLIMITQTYASTEXT TYPE STRING,
CHMLCOMPRELDLOWRLIMITQTYOPTR TYPE STRING,
CHMLCOMPRELDLOWRLIMITQTYASTEXT TYPE STRING,
CHMLCOMPUPPERLIMITQTYOPTR TYPE STRING,
CHMLCOMPUPPERLIMITQTYASTEXT TYPE STRING,
CHMLCOMPRELDUPRLIMITQTYOPTR TYPE STRING,
CHMLCOMPRELDUPRLIMITQTYASTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCCOMPONENT_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_CCCOMPONENT_STR-MANDT sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPUUID sy-vline 
WA_CCCOMPONENT_STR-PCPHYSPRPTYNAVGNLINKUUID sy-vline 
WA_CCCOMPONENT_STR-ACTIVECHMLCOMPUUID sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPOSITIONUUID sy-vline 
WA_CCCOMPONENT_STR-CHMLCMPLNCINFOUUID sy-vline 
WA_CCCOMPONENT_STR-SUBSTANCEUUID sy-vline 
WA_CCCOMPONENT_STR-SUBSTANCENAME sy-vline 
WA_CCCOMPONENT_STR-CASNUMBER sy-vline 
WA_CCCOMPONENT_STR-ECNUMBER sy-vline 
WA_CCCOMPONENT_STR-COMPANYSUBSTANCENAVGNLINK sy-vline 
WA_CCCOMPONENT_STR-SPECIFICATIONNAVGNLINK sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPCHANGESTATUS sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPCHANGESTATUSTEXT sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPCHANGESTSSORT sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPISREMOVED sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPTYPE sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPTYPENAME sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPRELDTYPE sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPRELDTYPENAME sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPQTYASTEXT sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPRELDQTYASTEXT sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPQTYUNIT sy-vline 
WA_CCCOMPONENT_STR-UNITOFMEASURENAME sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPRELDQTYUNIT sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPRELDQTYUNITTEXT sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPLOWERLIMITQTYOPTR sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPLOWERLIMITQTYASTEXT sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPRELDLOWRLIMITQTYOPTR sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPRELDLOWRLIMITQTYASTEXT sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPUPPERLIMITQTYOPTR sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPUPPERLIMITQTYASTEXT sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPRELDUPRLIMITQTYOPTR sy-vline 
WA_CCCOMPONENT_STR-CHMLCOMPRELDUPRLIMITQTYASTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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