ABAP Select data from SAP table IENBLLBLEORDER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IENBLLBLEORDER
*  INTO TABLE @DATA(IT_IENBLLBLEORDER2).
*--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_IENBLLBLEORDER INDEX 1 INTO DATA(WA_IENBLLBLEORDER2).


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

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

ENDLOOP.

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

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


*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_IENBLLBLEORDER-UTILITIESCONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IENBLLBLEORDER-UTILITIESCONTRACT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field MISSINGMETERREADINGDOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IENBLLBLEORDER-MISSINGMETERREADINGDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IENBLLBLEORDER-MISSINGMETERREADINGDOC.
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_IENBLLBLEORDER_STR, 
MANDT TYPE STRING,
UTILITIESCONTRACT TYPE STRING,
UTILITIESINSTALLATION TYPE STRING,
SCHEDULEDUTILITIESBILLINGDATE TYPE STRING,
UTILITIESBILLINGREASON TYPE STRING,
METERREADINGDOCUMENT 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,
IMPLAUSIBLEMETERREADINGDOC TYPE STRING,
MISSINGMETERREADINGDOC TYPE STRING,
UTILSINSTANDSCHEDLDBILLGDATE TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
NMBROFIMPLAUSIBLEMTRRDNGRSLTS TYPE STRING,
NMBROFMISSINGMTRRDNGRSLTS TYPE STRING,
NMBROFNONBLLBLEUTILSBILLGORDS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IENBLLBLEORDER_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_IENBLLBLEORDER_STR-MANDT sy-vline 
WA_IENBLLBLEORDER_STR-UTILITIESCONTRACT sy-vline 
WA_IENBLLBLEORDER_STR-UTILITIESINSTALLATION sy-vline 
WA_IENBLLBLEORDER_STR-SCHEDULEDUTILITIESBILLINGDATE sy-vline 
WA_IENBLLBLEORDER_STR-UTILITIESBILLINGREASON sy-vline 
WA_IENBLLBLEORDER_STR-METERREADINGDOCUMENT sy-vline 
WA_IENBLLBLEORDER_STR-UTILITIESPORTION sy-vline 
WA_IENBLLBLEORDER_STR-SCHEDULEDMETERREADINGDATE sy-vline 
WA_IENBLLBLEORDER_STR-BUSINESSPARTNER sy-vline 
WA_IENBLLBLEORDER_STR-CONTRACTACCOUNT sy-vline 
WA_IENBLLBLEORDER_STR-UTILSBILLGBLOCKREASON sy-vline 
WA_IENBLLBLEORDER_STR-UTILSBILLGUNBLOCKREASON sy-vline 
WA_IENBLLBLEORDER_STR-COMPANYCODE sy-vline 
WA_IENBLLBLEORDER_STR-DIVISION sy-vline 
WA_IENBLLBLEORDER_STR-METERREADINGUNIT sy-vline 
WA_IENBLLBLEORDER_STR-UTILITIESRATECATEGORY sy-vline 
WA_IENBLLBLEORDER_STR-UTILITIESBILLINGCLASS sy-vline 
WA_IENBLLBLEORDER_STR-UTILSPORTIONSCHEDULERECORDDATE sy-vline 
WA_IENBLLBLEORDER_STR-UTILSBILLINGORDERSTATUS sy-vline 
WA_IENBLLBLEORDER_STR-UTILSBILLINGORDERINDICATOR sy-vline 
WA_IENBLLBLEORDER_STR-SUPPRESSEDUTILSBILLGREASON sy-vline 
WA_IENBLLBLEORDER_STR-SUPPRESSEDUTILSSCHEDLDBILLGDTE sy-vline 
WA_IENBLLBLEORDER_STR-SUPPRESSEDSCHEDLDMTRRDNGDTE sy-vline 
WA_IENBLLBLEORDER_STR-UTILITIESACCOUNTDETNCODE sy-vline 
WA_IENBLLBLEORDER_STR-IMPLAUSIBLEMETERREADINGDOC sy-vline 
WA_IENBLLBLEORDER_STR-MISSINGMETERREADINGDOC sy-vline 
WA_IENBLLBLEORDER_STR-UTILSINSTANDSCHEDLDBILLGDATE sy-vline 
WA_IENBLLBLEORDER_STR-AUTHORIZATIONGROUP sy-vline 
WA_IENBLLBLEORDER_STR-NMBROFIMPLAUSIBLEMTRRDNGRSLTS sy-vline 
WA_IENBLLBLEORDER_STR-NMBROFMISSINGMTRRDNGRSLTS sy-vline 
WA_IENBLLBLEORDER_STR-NMBROFNONBLLBLEUTILSBILLGORDS sy-vline      INTO ld_text SEPARATED BY SPACE.

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