ABAP Select data from SAP table CMMSEQNCUBE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMMSEQNCUBE
*  INTO TABLE @DATA(IT_CMMSEQNCUBE2).
*--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_CMMSEQNCUBE INDEX 1 INTO DATA(WA_CMMSEQNCUBE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMMSEQNCUBE>-MANDT = 1.
<CMMSEQNCUBE>-PURCHASEORDER = 1.
<CMMSEQNCUBE>-PURCHASEORDERITEM = 1.
<CMMSEQNCUBE>-SUPPLIER = 1.
<CMMSEQNCUBE>-SUPPLIERCOUNTRY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMMSEQNCUBE-PURCHASINGGROUP, sy-vline,
  WA_CMMSEQNCUBE-COMPANYCODE, sy-vline,
  WA_CMMSEQNCUBE-REGION, sy-vline,
  WA_CMMSEQNCUBE-PURCHASINGORGANIZATION, sy-vline,
  WA_CMMSEQNCUBE-PLANT, sy-vline,
  WA_CMMSEQNCUBE-MATERIAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMMSEQNCUBE 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_CMMSEQNCUBE 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_CMMSEQNCUBE INTO WA_CMMSEQNCUBE.


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

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

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

*Conversion exit ALPHA, internal->external for field PURCHASINGCATEGORY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMMSEQNCUBE-PURCHASINGCATEGORY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMMSEQNCUBE-PURCHASINGCATEGORY.
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_CMMSEQNCUBE_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERCOUNTRY TYPE STRING,
PURCHASINGGROUP TYPE STRING,
COMPANYCODE TYPE STRING,
REGION TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PLANT TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
PURCHASINGCATEGORY TYPE STRING,
PURGCATNAME TYPE STRING,
CALENDARYEAR TYPE STRING,
CALENDARQUARTER TYPE STRING,
CALENDARMONTH TYPE STRING,
CALENDARWEEK TYPE STRING,
COMPANYCODENAME TYPE STRING,
PURCHASEORDERDATE TYPE STRING,
NMBROFPOITEMWITHQLTYNOTIFSCR TYPE STRING,
PURCHASEORDERITEMUNIQUEID TYPE STRING,
NMBROFPURCHASEORDERITEMSWITHGR TYPE STRING,
UNIQUEINTSOURCINGREQUEST TYPE STRING,
NUMBEROFPURCHASEORDERS TYPE STRING,
QUALITYNOTIFICATIONCOUNT TYPE STRING,
SUPLREVALCALCULATEDSCOREVALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMMSEQNCUBE_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_CMMSEQNCUBE_STR-MANDT sy-vline 
WA_CMMSEQNCUBE_STR-PURCHASEORDER sy-vline 
WA_CMMSEQNCUBE_STR-PURCHASEORDERITEM sy-vline 
WA_CMMSEQNCUBE_STR-SUPPLIER sy-vline 
WA_CMMSEQNCUBE_STR-SUPPLIERCOUNTRY sy-vline 
WA_CMMSEQNCUBE_STR-PURCHASINGGROUP sy-vline 
WA_CMMSEQNCUBE_STR-COMPANYCODE sy-vline 
WA_CMMSEQNCUBE_STR-REGION sy-vline 
WA_CMMSEQNCUBE_STR-PURCHASINGORGANIZATION sy-vline 
WA_CMMSEQNCUBE_STR-PLANT sy-vline 
WA_CMMSEQNCUBE_STR-MATERIAL sy-vline 
WA_CMMSEQNCUBE_STR-MATERIALGROUP sy-vline 
WA_CMMSEQNCUBE_STR-PURCHASINGCATEGORY sy-vline 
WA_CMMSEQNCUBE_STR-PURGCATNAME sy-vline 
WA_CMMSEQNCUBE_STR-CALENDARYEAR sy-vline 
WA_CMMSEQNCUBE_STR-CALENDARQUARTER sy-vline 
WA_CMMSEQNCUBE_STR-CALENDARMONTH sy-vline 
WA_CMMSEQNCUBE_STR-CALENDARWEEK sy-vline 
WA_CMMSEQNCUBE_STR-COMPANYCODENAME sy-vline 
WA_CMMSEQNCUBE_STR-PURCHASEORDERDATE sy-vline 
WA_CMMSEQNCUBE_STR-NMBROFPOITEMWITHQLTYNOTIFSCR sy-vline 
WA_CMMSEQNCUBE_STR-PURCHASEORDERITEMUNIQUEID sy-vline 
WA_CMMSEQNCUBE_STR-NMBROFPURCHASEORDERITEMSWITHGR sy-vline 
WA_CMMSEQNCUBE_STR-UNIQUEINTSOURCINGREQUEST sy-vline 
WA_CMMSEQNCUBE_STR-NUMBEROFPURCHASEORDERS sy-vline 
WA_CMMSEQNCUBE_STR-QUALITYNOTIFICATIONCOUNT sy-vline 
WA_CMMSEQNCUBE_STR-SUPLREVALCALCULATEDSCOREVALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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