ABAP Select data from SAP table IMPBILLSUMMARY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMPBILLSUMMARY
*  INTO TABLE @DATA(IT_IMPBILLSUMMARY2).
*--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_IMPBILLSUMMARY INDEX 1 INTO DATA(WA_IMPBILLSUMMARY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMPBILLSUMMARY>-MANDT = 1.
<IMPBILLSUMMARY>-SALESDOCUMENT = 1.
<IMPBILLSUMMARY>-SALESDOCUMENTITEM = 1.
<IMPBILLSUMMARY>-BILLINGDOCUMENT = 1.
<IMPBILLSUMMARY>-SDDOCUMENTCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMPBILLSUMMARY-BILLINGQUANTITY, sy-vline,
  WA_IMPBILLSUMMARY-BILLINGQUANTITYUNIT, sy-vline,
  WA_IMPBILLSUMMARY-BASEUNIT, sy-vline,
  WA_IMPBILLSUMMARY-ITEMNETAMOUNTOFBILLINGDOC, sy-vline,
  WA_IMPBILLSUMMARY-ITEMGROSSAMOUNTOFBILLINGDOC, sy-vline,
  WA_IMPBILLSUMMARY-BILLDOCITEMTAXAMT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMPBILLSUMMARY 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_IMPBILLSUMMARY 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_IMPBILLSUMMARY INTO WA_IMPBILLSUMMARY.


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

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

*Conversion exit CUNIT, internal->external for field BILLINGQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IMPBILLSUMMARY-BILLINGQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMPBILLSUMMARY-BILLINGQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IMPBILLSUMMARY-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMPBILLSUMMARY-BASEUNIT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field SOLDTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IMPBILLSUMMARY-SOLDTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMPBILLSUMMARY-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_IMPBILLSUMMARY_STR, 
MANDT TYPE STRING,
SALESDOCUMENT TYPE STRING,
SALESDOCUMENTITEM TYPE STRING,
BILLINGDOCUMENT TYPE STRING,
SDDOCUMENTCATEGORY TYPE STRING,
BILLINGQUANTITY TYPE STRING,
BILLINGQUANTITYUNIT TYPE STRING,
BASEUNIT TYPE STRING,
ITEMNETAMOUNTOFBILLINGDOC TYPE STRING,
ITEMGROSSAMOUNTOFBILLINGDOC TYPE STRING,
BILLDOCITEMTAXAMT TYPE STRING,
MATERIAL TYPE STRING,
TOTALNETAMOUNT TYPE STRING,
INVOICELISTSTATUS TYPE STRING,
BILLINGDOCUMENTDATE TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
BILLINGDOCUMENTTYPE TYPE STRING,
CREATIONDATE TYPE STRING,
EXCHANGERATEDATE TYPE STRING,
PURCHASINGDOCUMENTAMOUNT TYPE STRING,
MASTERPROJECT TYPE STRING,
MASTERPROJECTTYPE TYPE STRING,
MASTERPROJECTISCONFIDENTIAL TYPE STRING,
MASTERPROJECTORGANIZATION TYPE STRING,
MASTERPROJECTUUID TYPE STRING,
MASTERPROJECTNAME TYPE STRING,
CONTROLLINGOBJECTEXTERNALID TYPE STRING,
CONTROLLINGOBJECTDESCRIPTION TYPE STRING,
USERISINVOLVED TYPE STRING,
SOLDTOPARTY TYPE STRING,
SALESORGANIZATION TYPE STRING,
SUBSEQUENTDOCUMENTCATEGORY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMPBILLSUMMARY_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_IMPBILLSUMMARY_STR-MANDT sy-vline 
WA_IMPBILLSUMMARY_STR-SALESDOCUMENT sy-vline 
WA_IMPBILLSUMMARY_STR-SALESDOCUMENTITEM sy-vline 
WA_IMPBILLSUMMARY_STR-BILLINGDOCUMENT sy-vline 
WA_IMPBILLSUMMARY_STR-SDDOCUMENTCATEGORY sy-vline 
WA_IMPBILLSUMMARY_STR-BILLINGQUANTITY sy-vline 
WA_IMPBILLSUMMARY_STR-BILLINGQUANTITYUNIT sy-vline 
WA_IMPBILLSUMMARY_STR-BASEUNIT sy-vline 
WA_IMPBILLSUMMARY_STR-ITEMNETAMOUNTOFBILLINGDOC sy-vline 
WA_IMPBILLSUMMARY_STR-ITEMGROSSAMOUNTOFBILLINGDOC sy-vline 
WA_IMPBILLSUMMARY_STR-BILLDOCITEMTAXAMT sy-vline 
WA_IMPBILLSUMMARY_STR-MATERIAL sy-vline 
WA_IMPBILLSUMMARY_STR-TOTALNETAMOUNT sy-vline 
WA_IMPBILLSUMMARY_STR-INVOICELISTSTATUS sy-vline 
WA_IMPBILLSUMMARY_STR-BILLINGDOCUMENTDATE sy-vline 
WA_IMPBILLSUMMARY_STR-TRANSACTIONCURRENCY sy-vline 
WA_IMPBILLSUMMARY_STR-BILLINGDOCUMENTTYPE sy-vline 
WA_IMPBILLSUMMARY_STR-CREATIONDATE sy-vline 
WA_IMPBILLSUMMARY_STR-EXCHANGERATEDATE sy-vline 
WA_IMPBILLSUMMARY_STR-PURCHASINGDOCUMENTAMOUNT sy-vline 
WA_IMPBILLSUMMARY_STR-MASTERPROJECT sy-vline 
WA_IMPBILLSUMMARY_STR-MASTERPROJECTTYPE sy-vline 
WA_IMPBILLSUMMARY_STR-MASTERPROJECTISCONFIDENTIAL sy-vline 
WA_IMPBILLSUMMARY_STR-MASTERPROJECTORGANIZATION sy-vline 
WA_IMPBILLSUMMARY_STR-MASTERPROJECTUUID sy-vline 
WA_IMPBILLSUMMARY_STR-MASTERPROJECTNAME sy-vline 
WA_IMPBILLSUMMARY_STR-CONTROLLINGOBJECTEXTERNALID sy-vline 
WA_IMPBILLSUMMARY_STR-CONTROLLINGOBJECTDESCRIPTION sy-vline 
WA_IMPBILLSUMMARY_STR-USERISINVOLVED sy-vline 
WA_IMPBILLSUMMARY_STR-SOLDTOPARTY sy-vline 
WA_IMPBILLSUMMARY_STR-SALESORGANIZATION sy-vline 
WA_IMPBILLSUMMARY_STR-SUBSEQUENTDOCUMENTCATEGORY sy-vline      INTO ld_text SEPARATED BY SPACE.

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