ABAP Select data from SAP table CECBILLGORDER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CECBILLGORDER
*  INTO TABLE @DATA(IT_CECBILLGORDER2).
*--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_CECBILLGORDER INDEX 1 INTO DATA(WA_CECBILLGORDER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CECBILLGORDER>-MANDT = 1.
<CECBILLGORDER>-UTILITIESCONTRACT = 1.
<CECBILLGORDER>-UTILITIESINSTALLATION = 1.
<CECBILLGORDER>-SCHEDULEDUTILITIESBILLINGDATE = 1.
<CECBILLGORDER>-UTILITIESBILLINGREASON = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CECBILLGORDER-UTILITIESPORTION, sy-vline,
  WA_CECBILLGORDER-SCHEDULEDMETERREADINGDATE, sy-vline,
  WA_CECBILLGORDER-BUSINESSPARTNER, sy-vline,
  WA_CECBILLGORDER-CONTRACTACCOUNT, sy-vline,
  WA_CECBILLGORDER-UTILSBILLGBLOCKREASON, sy-vline,
  WA_CECBILLGORDER-UTILSBILLGUNBLOCKREASON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CECBILLGORDER 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_CECBILLGORDER 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_CECBILLGORDER INTO WA_CECBILLGORDER.


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

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

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

*Conversion exit ALPHA, internal->external for field CONTRACTACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CECBILLGORDER-CONTRACTACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CECBILLGORDER-CONTRACTACCOUNT.
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_CECBILLGORDER_STR, 
MANDT TYPE STRING,
UTILITIESCONTRACT TYPE STRING,
UTILITIESINSTALLATION TYPE STRING,
SCHEDULEDUTILITIESBILLINGDATE TYPE STRING,
UTILITIESBILLINGREASON TYPE STRING,
UTILITIESPORTION TYPE STRING,
SCHEDULEDMETERREADINGDATE TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
UTILSBILLGBLOCKREASON TYPE STRING,
UTILSBILLGUNBLOCKREASON TYPE STRING,
COMPANYCODE TYPE STRING,
DIVISION TYPE STRING,
METERREADINGUNIT TYPE STRING,
UTILITIESRATECATEGORY TYPE STRING,
UTILITIESBILLINGCLASS TYPE STRING,
UTILSPORTIONSCHEDULERECORDDATE TYPE STRING,
UTILSBILLINGORDERSTATUS TYPE STRING,
UTILSBILLINGORDERINDICATOR TYPE STRING,
SUPPRESSEDUTILSBILLGREASON TYPE STRING,
SUPPRESSEDUTILSSCHEDLDBILLGDTE TYPE STRING,
SUPPRESSEDSCHEDLDMTRRDNGDTE TYPE STRING,
UTILITIESACCOUNTDETNCODE TYPE STRING,
CALENDARMONTH TYPE STRING,
CALENDARMONTHNAME TYPE STRING,
CALENDARYEAR TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
NROFUTILITIESBILLINGORDERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CECBILLGORDER_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_CECBILLGORDER_STR-MANDT sy-vline 
WA_CECBILLGORDER_STR-UTILITIESCONTRACT sy-vline 
WA_CECBILLGORDER_STR-UTILITIESINSTALLATION sy-vline 
WA_CECBILLGORDER_STR-SCHEDULEDUTILITIESBILLINGDATE sy-vline 
WA_CECBILLGORDER_STR-UTILITIESBILLINGREASON sy-vline 
WA_CECBILLGORDER_STR-UTILITIESPORTION sy-vline 
WA_CECBILLGORDER_STR-SCHEDULEDMETERREADINGDATE sy-vline 
WA_CECBILLGORDER_STR-BUSINESSPARTNER sy-vline 
WA_CECBILLGORDER_STR-CONTRACTACCOUNT sy-vline 
WA_CECBILLGORDER_STR-UTILSBILLGBLOCKREASON sy-vline 
WA_CECBILLGORDER_STR-UTILSBILLGUNBLOCKREASON sy-vline 
WA_CECBILLGORDER_STR-COMPANYCODE sy-vline 
WA_CECBILLGORDER_STR-DIVISION sy-vline 
WA_CECBILLGORDER_STR-METERREADINGUNIT sy-vline 
WA_CECBILLGORDER_STR-UTILITIESRATECATEGORY sy-vline 
WA_CECBILLGORDER_STR-UTILITIESBILLINGCLASS sy-vline 
WA_CECBILLGORDER_STR-UTILSPORTIONSCHEDULERECORDDATE sy-vline 
WA_CECBILLGORDER_STR-UTILSBILLINGORDERSTATUS sy-vline 
WA_CECBILLGORDER_STR-UTILSBILLINGORDERINDICATOR sy-vline 
WA_CECBILLGORDER_STR-SUPPRESSEDUTILSBILLGREASON sy-vline 
WA_CECBILLGORDER_STR-SUPPRESSEDUTILSSCHEDLDBILLGDTE sy-vline 
WA_CECBILLGORDER_STR-SUPPRESSEDSCHEDLDMTRRDNGDTE sy-vline 
WA_CECBILLGORDER_STR-UTILITIESACCOUNTDETNCODE sy-vline 
WA_CECBILLGORDER_STR-CALENDARMONTH sy-vline 
WA_CECBILLGORDER_STR-CALENDARMONTHNAME sy-vline 
WA_CECBILLGORDER_STR-CALENDARYEAR sy-vline 
WA_CECBILLGORDER_STR-AUTHORIZATIONGROUP sy-vline 
WA_CECBILLGORDER_STR-NROFUTILITIESBILLINGORDERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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