ABAP Select data from SAP table CGRCSUPMSTRCCCHG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CGRCSUPMSTRCCCHG
*  INTO TABLE @DATA(IT_CGRCSUPMSTRCCCHG2).
*--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_CGRCSUPMSTRCCCHG INDEX 1 INTO DATA(WA_CGRCSUPMSTRCCCHG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CGRCSUPMSTRCCCHG>-MANDT = 1.
<CGRCSUPMSTRCCCHG>-SUPPLIER = 1.
<CGRCSUPMSTRCCCHG>-COMPANYCODE = 1.
<CGRCSUPMSTRCCCHG>-CHANGEDOCUMENT = 1.
<CGRCSUPMSTRCCCHG>-CHANGEDOCDATABASETABLEFIELD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CGRCSUPMSTRCCCHG-CHANGEDOCITEMCHANGETYPE, sy-vline,
  WA_CGRCSUPMSTRCCCHG-CHANGEDOCCREATIONDATE, sy-vline,
  WA_CGRCSUPMSTRCCCHG-LASTCHANGEDBYUSER, sy-vline,
  WA_CGRCSUPMSTRCCCHG-CHANGEDOCNEWFIELDVALUE, sy-vline,
  WA_CGRCSUPMSTRCCCHG-CHANGEDOCPREVIOUSFIELDVALUE, sy-vline,
  WA_CGRCSUPMSTRCCCHG-CHANGEDOCNEWUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CGRCSUPMSTRCCCHG 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_CGRCSUPMSTRCCCHG 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_CGRCSUPMSTRCCCHG INTO WA_CGRCSUPMSTRCCCHG.


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

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

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

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

*Conversion exit ALPHA, internal->external for field CHANGEDOCOBJECTCLASS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CGRCSUPMSTRCCCHG-CHANGEDOCOBJECTCLASS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CGRCSUPMSTRCCCHG-CHANGEDOCOBJECTCLASS.
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_CGRCSUPMSTRCCCHG_STR, 
MANDT TYPE STRING,
SUPPLIER TYPE STRING,
COMPANYCODE TYPE STRING,
CHANGEDOCUMENT TYPE STRING,
CHANGEDOCDATABASETABLEFIELD TYPE STRING,
CHANGEDOCITEMCHANGETYPE TYPE STRING,
CHANGEDOCCREATIONDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CHANGEDOCNEWFIELDVALUE TYPE STRING,
CHANGEDOCPREVIOUSFIELDVALUE TYPE STRING,
CHANGEDOCNEWUNIT TYPE STRING,
CHANGEDOCPREVIOUSUNIT TYPE STRING,
CHANGEDOCNEWCURRENCY TYPE STRING,
CHANGEDOCPREVIOUSCURRENCY TYPE STRING,
SUPPLIERNAME TYPE STRING,
SUPPLIERACCOUNTGROUP TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
ISONETIMEACCOUNT TYPE STRING,
SUPPLIERISBLOCKEDFORPOSTING TYPE STRING,
ISBUSINESSPURPOSECOMPLETED TYPE STRING,
PURCHASINGISBLOCKED TYPE STRING,
CITYNAME TYPE STRING,
COUNTRY TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
PAYMENTBLOCKINGREASON TYPE STRING,
PAYMENTMETHODSLIST TYPE STRING,
CLEARCUSTOMERSUPPLIER TYPE STRING,
ISDOUBLEINVOICE TYPE STRING,
CUSTOMERSUPPLIERCLEARINGISUSED TYPE STRING,
RECONCILIATIONACCOUNT TYPE STRING,
ALTERNATIVEPAYEE TYPE STRING,
DELETIONINDICATOR TYPE STRING,
SUPPLIERRELEASEGROUP TYPE STRING,
CREDITMEMOPAYMENTTERMS TYPE STRING,
PAYMENTCLEARINGGROUP TYPE STRING,
CHANGEDOCOBJECTCLASS TYPE STRING,
DATABASETABLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CGRCSUPMSTRCCCHG_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_CGRCSUPMSTRCCCHG_STR-MANDT sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-SUPPLIER sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-COMPANYCODE sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CHANGEDOCUMENT sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CHANGEDOCDATABASETABLEFIELD sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CHANGEDOCITEMCHANGETYPE sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CHANGEDOCCREATIONDATE sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-LASTCHANGEDBYUSER sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CHANGEDOCNEWFIELDVALUE sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CHANGEDOCPREVIOUSFIELDVALUE sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CHANGEDOCNEWUNIT sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CHANGEDOCPREVIOUSUNIT sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CHANGEDOCNEWCURRENCY sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CHANGEDOCPREVIOUSCURRENCY sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-SUPPLIERNAME sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-SUPPLIERACCOUNTGROUP sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CREATEDBYUSER sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CREATIONDATE sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-ISONETIMEACCOUNT sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-SUPPLIERISBLOCKEDFORPOSTING sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-ISBUSINESSPURPOSECOMPLETED sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-PURCHASINGISBLOCKED sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CITYNAME sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-COUNTRY sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-AUTHORIZATIONGROUP sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-PAYMENTBLOCKINGREASON sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-PAYMENTMETHODSLIST sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CLEARCUSTOMERSUPPLIER sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-ISDOUBLEINVOICE sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CUSTOMERSUPPLIERCLEARINGISUSED sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-RECONCILIATIONACCOUNT sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-ALTERNATIVEPAYEE sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-DELETIONINDICATOR sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-SUPPLIERRELEASEGROUP sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CREDITMEMOPAYMENTTERMS sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-PAYMENTCLEARINGGROUP sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-CHANGEDOCOBJECTCLASS sy-vline 
WA_CGRCSUPMSTRCCCHG_STR-DATABASETABLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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