ABAP Select data from SAP table ICUSTPROJSOBPIT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICUSTPROJSOBPIT
*  INTO TABLE @DATA(IT_ICUSTPROJSOBPIT2).
*--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_ICUSTPROJSOBPIT INDEX 1 INTO DATA(WA_ICUSTPROJSOBPIT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICUSTPROJSOBPIT>-MANDT = 1.
<ICUSTPROJSOBPIT>-CUSTOMERPROJECT = 1.
<ICUSTPROJSOBPIT>-SALESORDERITEM = 1.
<ICUSTPROJSOBPIT>-BILLINGPLAN = 1.
<ICUSTPROJSOBPIT>-BILLINGPLANITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICUSTPROJSOBPIT-BILLINGPLANUSAGECATEGORY, sy-vline,
  WA_ICUSTPROJSOBPIT-SALESORDER, sy-vline,
  WA_ICUSTPROJSOBPIT-BILLINGPLANBILLINGDATE, sy-vline,
  WA_ICUSTPROJSOBPIT-BILLINGPLANRELATEDBILLGSTATUS, sy-vline,
  WA_ICUSTPROJSOBPIT-BILLGPLNDTECORRECTIONRFNDTYPE, sy-vline,
  WA_ICUSTPROJSOBPIT-BILLINGPLANAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICUSTPROJSOBPIT 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_ICUSTPROJSOBPIT 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_ICUSTPROJSOBPIT INTO WA_ICUSTPROJSOBPIT.


*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_ICUSTPROJSOBPIT-SALESORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICUSTPROJSOBPIT-SALESORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AUART, internal->external for field SALESORDERTYPE
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_ICUSTPROJSOBPIT-SALESORDERTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICUSTPROJSOBPIT-SALESORDERTYPE.
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_ICUSTPROJSOBPIT_STR, 
MANDT TYPE STRING,
CUSTOMERPROJECT TYPE STRING,
SALESORDERITEM TYPE STRING,
BILLINGPLAN TYPE STRING,
BILLINGPLANITEM TYPE STRING,
BILLINGPLANUSAGECATEGORY TYPE STRING,
SALESORDER TYPE STRING,
BILLINGPLANBILLINGDATE TYPE STRING,
BILLINGPLANRELATEDBILLGSTATUS TYPE STRING,
BILLGPLNDTECORRECTIONRFNDTYPE TYPE STRING,
BILLINGPLANAMOUNT TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
BILLINGPLANRULE TYPE STRING,
POSTPONEMENTREASON TYPE STRING,
BILLINGPLANITEMUSAGE TYPE STRING,
BILLINGPLANITEMDESCRIPTION TYPE STRING,
BILLINGPLANSERVICESTARTDATE TYPE STRING,
BILLINGPLANSERVICEENDDATE TYPE STRING,
SALESORDERTYPE TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICUSTPROJSOBPIT_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_ICUSTPROJSOBPIT_STR-MANDT sy-vline 
WA_ICUSTPROJSOBPIT_STR-CUSTOMERPROJECT sy-vline 
WA_ICUSTPROJSOBPIT_STR-SALESORDERITEM sy-vline 
WA_ICUSTPROJSOBPIT_STR-BILLINGPLAN sy-vline 
WA_ICUSTPROJSOBPIT_STR-BILLINGPLANITEM sy-vline 
WA_ICUSTPROJSOBPIT_STR-BILLINGPLANUSAGECATEGORY sy-vline 
WA_ICUSTPROJSOBPIT_STR-SALESORDER sy-vline 
WA_ICUSTPROJSOBPIT_STR-BILLINGPLANBILLINGDATE sy-vline 
WA_ICUSTPROJSOBPIT_STR-BILLINGPLANRELATEDBILLGSTATUS sy-vline 
WA_ICUSTPROJSOBPIT_STR-BILLGPLNDTECORRECTIONRFNDTYPE sy-vline 
WA_ICUSTPROJSOBPIT_STR-BILLINGPLANAMOUNT sy-vline 
WA_ICUSTPROJSOBPIT_STR-TRANSACTIONCURRENCY sy-vline 
WA_ICUSTPROJSOBPIT_STR-BILLINGPLANRULE sy-vline 
WA_ICUSTPROJSOBPIT_STR-POSTPONEMENTREASON sy-vline 
WA_ICUSTPROJSOBPIT_STR-BILLINGPLANITEMUSAGE sy-vline 
WA_ICUSTPROJSOBPIT_STR-BILLINGPLANITEMDESCRIPTION sy-vline 
WA_ICUSTPROJSOBPIT_STR-BILLINGPLANSERVICESTARTDATE sy-vline 
WA_ICUSTPROJSOBPIT_STR-BILLINGPLANSERVICEENDDATE sy-vline 
WA_ICUSTPROJSOBPIT_STR-SALESORDERTYPE sy-vline 
WA_ICUSTPROJSOBPIT_STR-ORGANIZATIONDIVISION sy-vline 
WA_ICUSTPROJSOBPIT_STR-SALESORGANIZATION sy-vline 
WA_ICUSTPROJSOBPIT_STR-DISTRIBUTIONCHANNEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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