ABAP Select data from SAP table CCTLGITMMNGTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCTLGITMMNGTP
*  INTO TABLE @DATA(IT_CCTLGITMMNGTP2).
*--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_CCTLGITMMNGTP INDEX 1 INTO DATA(WA_CCTLGITMMNGTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCTLGITMMNGTP>-MANDT = 1.
<CCTLGITMMNGTP>-OPNCTLGITEMID = 1.
<CCTLGITMMNGTP>-CATALOGITEMDESCRIPTION = 1.
<CCTLGITMMNGTP>-PRODUCTDESCRIPTION = 1.
<CCTLGITMMNGTP>-MATERIALGROUP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCTLGITMMNGTP-OPNCTLGSUPPLIERID, sy-vline,
  WA_CCTLGITMMNGTP-OPNCTLGWEBSERVICEID, sy-vline,
  WA_CCTLGITMMNGTP-OPNCTLGWEBSERVICENAME, sy-vline,
  WA_CCTLGITMMNGTP-PRODUCTCATALOGNAME, sy-vline,
  WA_CCTLGITMMNGTP-UNITOFMEASURE, sy-vline,
  WA_CCTLGITMMNGTP-NETPRICEQUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCTLGITMMNGTP 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_CCTLGITMMNGTP 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_CCTLGITMMNGTP INTO WA_CCTLGITMMNGTP.


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

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

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CCTLGITMMNGTP-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCTLGITMMNGTP-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCTLGITMMNGTP-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCTLGITMMNGTP-BASEUNIT.
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_CCTLGITMMNGTP_STR, 
MANDT TYPE STRING,
OPNCTLGITEMID TYPE STRING,
CATALOGITEMDESCRIPTION TYPE STRING,
PRODUCTDESCRIPTION TYPE STRING,
MATERIALGROUP TYPE STRING,
OPNCTLGSUPPLIERID TYPE STRING,
OPNCTLGWEBSERVICEID TYPE STRING,
OPNCTLGWEBSERVICENAME TYPE STRING,
PRODUCTCATALOGNAME TYPE STRING,
UNITOFMEASURE TYPE STRING,
NETPRICEQUANTITY TYPE STRING,
MATERIAL TYPE STRING,
LEADTIMEANNCMNTDUEINDAYS TYPE STRING,
MANUFACTURER TYPE STRING,
MANUFACTURERNAME TYPE STRING,
MANUFACTURERMATERIAL TYPE STRING,
ISOPNCTLGITMFRMMATLMSTR TYPE STRING,
ISOPNCTLGITEM TYPE STRING,
OPNCTLGPRCVALIDITYSTARTDATE TYPE STRING,
OPNCTLGPRCVALIDITYENDDATE TYPE STRING,
ISMARKEDFORDELETION TYPE STRING,
OPNCTLGSTATUSTEXT TYPE STRING,
STATUSCRITICALITY TYPE STRING,
DUEDATECRITICALITY TYPE STRING,
OPNCTLGCONTENTUNIT TYPE STRING,
BASEUNIT TYPE STRING,
OPNCTLGITEMPRICE TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
OPNCTLGITEMCURRENCY TYPE STRING,
CURRENCY TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
OPNCTLGCONTRACTITEM TYPE STRING,
PLANTNAME TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
OPNCTLGPRICEID TYPE STRING,
OPNCTLGEXTERNALPRODUCTID TYPE STRING,
EXTERNALDOCUMENTREFERENCEID TYPE STRING,
ISBUSINESSPURPOSECOMPLETED TYPE STRING,
OPNCTLGMATERIALIDBYSUPPLIER TYPE STRING,
SERVICE TYPE STRING,
OPNCTLGITEMPRPSLID TYPE STRING,
ARCHIVINGSTATUS TYPE STRING,
OPNCTLGMAINIMAGEURL TYPE STRING,
OPNCTLGSEARCHTERM TYPE STRING,
OPNCTLGSRCHLONGTEXT TYPE STRING,
OPNCTLGHASCRSCTLGSRCH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCTLGITMMNGTP_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_CCTLGITMMNGTP_STR-MANDT sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGITEMID sy-vline 
WA_CCTLGITMMNGTP_STR-CATALOGITEMDESCRIPTION sy-vline 
WA_CCTLGITMMNGTP_STR-PRODUCTDESCRIPTION sy-vline 
WA_CCTLGITMMNGTP_STR-MATERIALGROUP sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGSUPPLIERID sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGWEBSERVICEID sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGWEBSERVICENAME sy-vline 
WA_CCTLGITMMNGTP_STR-PRODUCTCATALOGNAME sy-vline 
WA_CCTLGITMMNGTP_STR-UNITOFMEASURE sy-vline 
WA_CCTLGITMMNGTP_STR-NETPRICEQUANTITY sy-vline 
WA_CCTLGITMMNGTP_STR-MATERIAL sy-vline 
WA_CCTLGITMMNGTP_STR-LEADTIMEANNCMNTDUEINDAYS sy-vline 
WA_CCTLGITMMNGTP_STR-MANUFACTURER sy-vline 
WA_CCTLGITMMNGTP_STR-MANUFACTURERNAME sy-vline 
WA_CCTLGITMMNGTP_STR-MANUFACTURERMATERIAL sy-vline 
WA_CCTLGITMMNGTP_STR-ISOPNCTLGITMFRMMATLMSTR sy-vline 
WA_CCTLGITMMNGTP_STR-ISOPNCTLGITEM sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGPRCVALIDITYSTARTDATE sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGPRCVALIDITYENDDATE sy-vline 
WA_CCTLGITMMNGTP_STR-ISMARKEDFORDELETION sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGSTATUSTEXT sy-vline 
WA_CCTLGITMMNGTP_STR-STATUSCRITICALITY sy-vline 
WA_CCTLGITMMNGTP_STR-DUEDATECRITICALITY sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGCONTENTUNIT sy-vline 
WA_CCTLGITMMNGTP_STR-BASEUNIT sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGITEMPRICE sy-vline 
WA_CCTLGITMMNGTP_STR-NETPRICEAMOUNT sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGITEMCURRENCY sy-vline 
WA_CCTLGITMMNGTP_STR-CURRENCY sy-vline 
WA_CCTLGITMMNGTP_STR-CONTRACTACCOUNT sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGCONTRACTITEM sy-vline 
WA_CCTLGITMMNGTP_STR-PLANTNAME sy-vline 
WA_CCTLGITMMNGTP_STR-COMPANYCODE sy-vline 
WA_CCTLGITMMNGTP_STR-PURCHASINGORGANIZATION sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGPRICEID sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGEXTERNALPRODUCTID sy-vline 
WA_CCTLGITMMNGTP_STR-EXTERNALDOCUMENTREFERENCEID sy-vline 
WA_CCTLGITMMNGTP_STR-ISBUSINESSPURPOSECOMPLETED sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGMATERIALIDBYSUPPLIER sy-vline 
WA_CCTLGITMMNGTP_STR-SERVICE sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGITEMPRPSLID sy-vline 
WA_CCTLGITMMNGTP_STR-ARCHIVINGSTATUS sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGMAINIMAGEURL sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGSEARCHTERM sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGSRCHLONGTEXT sy-vline 
WA_CCTLGITMMNGTP_STR-OPNCTLGHASCRSCTLGSRCH sy-vline      INTO ld_text SEPARATED BY SPACE.

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