ABAP Select data from SAP table CMONTHLYSALESREV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMONTHLYSALESREV
*  INTO TABLE @DATA(IT_CMONTHLYSALESREV2).
*--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_CMONTHLYSALESREV INDEX 1 INTO DATA(WA_CMONTHLYSALESREV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMONTHLYSALESREV>-MANDT = 1.
<CMONTHLYSALESREV>-SALESORDER = 1.
<CMONTHLYSALESREV>-YEARMONTH = 1.
<CMONTHLYSALESREV>-SALESORDERTYPE = 1.
<CMONTHLYSALESREV>-CALENDARMONTH = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMONTHLYSALESREV-CALENDARMONTHNAME, sy-vline,
  WA_CMONTHLYSALESREV-SOLDTOPARTY, sy-vline,
  WA_CMONTHLYSALESREV-SALESORGANIZATION, sy-vline,
  WA_CMONTHLYSALESREV-DISTRIBUTIONCHANNEL, sy-vline,
  WA_CMONTHLYSALESREV-ORGANIZATIONDIVISION, sy-vline,
  WA_CMONTHLYSALESREV-SALESOFFICE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMONTHLYSALESREV 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_CMONTHLYSALESREV 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_CMONTHLYSALESREV INTO WA_CMONTHLYSALESREV.


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

*Conversion exit AUART, internal->external for field SALESORDERTYPE
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_CMONTHLYSALESREV-SALESORDERTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMONTHLYSALESREV-SALESORDERTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SOLDTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMONTHLYSALESREV-SOLDTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMONTHLYSALESREV-SOLDTOPARTY.
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_CMONTHLYSALESREV_STR, 
MANDT TYPE STRING,
SALESORDER TYPE STRING,
YEARMONTH TYPE STRING,
SALESORDERTYPE TYPE STRING,
CALENDARMONTH TYPE STRING,
CALENDARMONTHNAME TYPE STRING,
SOLDTOPARTY TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,
SALESOFFICE TYPE STRING,
SALESGROUP TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
INCOMINGSALESORDERSNETAMTINDC TYPE STRING,
COMPRNINCGSLSORDERSNETAMTINDC TYPE STRING,
NUMBEROFSALESORDERS TYPE STRING,
COMPARISONNUMBEROFSALESORDERS TYPE STRING,
CUSTOMERACCOUNTGROUP TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMONTHLYSALESREV_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_CMONTHLYSALESREV_STR-MANDT sy-vline 
WA_CMONTHLYSALESREV_STR-SALESORDER sy-vline 
WA_CMONTHLYSALESREV_STR-YEARMONTH sy-vline 
WA_CMONTHLYSALESREV_STR-SALESORDERTYPE sy-vline 
WA_CMONTHLYSALESREV_STR-CALENDARMONTH sy-vline 
WA_CMONTHLYSALESREV_STR-CALENDARMONTHNAME sy-vline 
WA_CMONTHLYSALESREV_STR-SOLDTOPARTY sy-vline 
WA_CMONTHLYSALESREV_STR-SALESORGANIZATION sy-vline 
WA_CMONTHLYSALESREV_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_CMONTHLYSALESREV_STR-ORGANIZATIONDIVISION sy-vline 
WA_CMONTHLYSALESREV_STR-SALESOFFICE sy-vline 
WA_CMONTHLYSALESREV_STR-SALESGROUP sy-vline 
WA_CMONTHLYSALESREV_STR-DISPLAYCURRENCY sy-vline 
WA_CMONTHLYSALESREV_STR-INCOMINGSALESORDERSNETAMTINDC sy-vline 
WA_CMONTHLYSALESREV_STR-COMPRNINCGSLSORDERSNETAMTINDC sy-vline 
WA_CMONTHLYSALESREV_STR-NUMBEROFSALESORDERS sy-vline 
WA_CMONTHLYSALESREV_STR-COMPARISONNUMBEROFSALESORDERS sy-vline 
WA_CMONTHLYSALESREV_STR-CUSTOMERACCOUNTGROUP sy-vline 
WA_CMONTHLYSALESREV_STR-AUTHORIZATIONGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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