ABAP Select data from SAP table PROJBILLGREQITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PROJBILLGREQITEM
*  INTO TABLE @DATA(IT_PROJBILLGREQITEM2).
*--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_PROJBILLGREQITEM INDEX 1 INTO DATA(WA_PROJBILLGREQITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PROJBILLGREQITEM>-CLIENT = 1.
<PROJBILLGREQITEM>-PROJECTBILLINGREQUESTITEMUUID = 1.
<PROJBILLGREQITEM>-PROJECTBILLINGREQUESTUUID = 1.
<PROJBILLGREQITEM>-PROJBILLGELMNTENTRITMUUID = 1.
<PROJBILLGREQITEM>-PROJECTBILLINGELEMENTUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PROJBILLGREQITEM-SALESDOCUMENTITEM, sy-vline,
  WA_PROJBILLGREQITEM-BILLABLEREVENUEAMTINDOCCRCY, sy-vline,
  WA_PROJBILLGREQITEM-NETPRICEAMOUNTINDOCCRCY, sy-vline,
  WA_PROJBILLGREQITEM-MATERIAL, sy-vline,
  WA_PROJBILLGREQITEM-PROJBILLINGREQUESTITEMLONGTEXT, sy-vline,
  WA_PROJBILLGREQITEM-OPENQUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PROJBILLGREQITEM 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_PROJBILLGREQITEM 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_PROJBILLGREQITEM INTO WA_PROJBILLGREQITEM.


*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 MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PROJBILLGREQITEM-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PROJBILLGREQITEM-MATERIAL.
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_PROJBILLGREQITEM_STR, 
CLIENT TYPE STRING,
PROJECTBILLINGREQUESTITEMUUID TYPE STRING,
PROJECTBILLINGREQUESTUUID TYPE STRING,
PROJBILLGELMNTENTRITMUUID TYPE STRING,
PROJECTBILLINGELEMENTUUID TYPE STRING,
SALESDOCUMENTITEM TYPE STRING,
BILLABLEREVENUEAMTINDOCCRCY TYPE STRING,
NETPRICEAMOUNTINDOCCRCY TYPE STRING,
MATERIAL TYPE STRING,
PROJBILLINGREQUESTITEMLONGTEXT TYPE STRING,
OPENQUANTITY TYPE STRING,
OPENAMOUNTINTRANSCRCY TYPE STRING,
OPENAMOUNTINPROJECTCURRENCY TYPE STRING,
OPENAMOUNTINGLOBALCURRENCY TYPE STRING,
OPENREVENUEAMTINDOCCRCY TYPE STRING,
TOBEPOSTPONEDQUANTITY TYPE STRING,
TOBEPOSTPONEDAMTINTRANSACCRCY TYPE STRING,
TOBEPOSTPONEDAMTINPROJECTCRCY TYPE STRING,
TOBEPOSTPONEDAMTINGLOBALCRCY TYPE STRING,
TOBEWRITTENOFFQUANTITY TYPE STRING,
TOBEWRITTENOFFAMTINTRANSCRCY TYPE STRING,
TOBEWRITTENOFFAMTINPROJECTCRCY TYPE STRING,
TOBEWRITTENOFFAMTINGLOBALCRCY TYPE STRING,
TOBEBILLEDQUANTITY TYPE STRING,
TOBEBILLEDAMTINTRANSCRCY TYPE STRING,
TOBEBILLEDAMTINPROJCURRENCY TYPE STRING,
TOBEBILLEDAMTINGLOBCURRENCY TYPE STRING,
SERVICESRENDEREDDATE TYPE STRING,
PROJBILLGREQITMCRTEDBYUSER TYPE STRING,
PROJBILLGREQITMCRTEDATDTETME TYPE STRING,
PROJBILLGREQITMLASTCHGDBY TYPE STRING,
PROJBILLGREQITMLASTCHGDDTETME TYPE STRING,
MANUALBILLABILITYSELECTION TYPE STRING,
MANUALBILLGSELFORPRJBLGREQITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PROJBILLGREQITEM_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_PROJBILLGREQITEM_STR-CLIENT sy-vline 
WA_PROJBILLGREQITEM_STR-PROJECTBILLINGREQUESTITEMUUID sy-vline 
WA_PROJBILLGREQITEM_STR-PROJECTBILLINGREQUESTUUID sy-vline 
WA_PROJBILLGREQITEM_STR-PROJBILLGELMNTENTRITMUUID sy-vline 
WA_PROJBILLGREQITEM_STR-PROJECTBILLINGELEMENTUUID sy-vline 
WA_PROJBILLGREQITEM_STR-SALESDOCUMENTITEM sy-vline 
WA_PROJBILLGREQITEM_STR-BILLABLEREVENUEAMTINDOCCRCY sy-vline 
WA_PROJBILLGREQITEM_STR-NETPRICEAMOUNTINDOCCRCY sy-vline 
WA_PROJBILLGREQITEM_STR-MATERIAL sy-vline 
WA_PROJBILLGREQITEM_STR-PROJBILLINGREQUESTITEMLONGTEXT sy-vline 
WA_PROJBILLGREQITEM_STR-OPENQUANTITY sy-vline 
WA_PROJBILLGREQITEM_STR-OPENAMOUNTINTRANSCRCY sy-vline 
WA_PROJBILLGREQITEM_STR-OPENAMOUNTINPROJECTCURRENCY sy-vline 
WA_PROJBILLGREQITEM_STR-OPENAMOUNTINGLOBALCURRENCY sy-vline 
WA_PROJBILLGREQITEM_STR-OPENREVENUEAMTINDOCCRCY sy-vline 
WA_PROJBILLGREQITEM_STR-TOBEPOSTPONEDQUANTITY sy-vline 
WA_PROJBILLGREQITEM_STR-TOBEPOSTPONEDAMTINTRANSACCRCY sy-vline 
WA_PROJBILLGREQITEM_STR-TOBEPOSTPONEDAMTINPROJECTCRCY sy-vline 
WA_PROJBILLGREQITEM_STR-TOBEPOSTPONEDAMTINGLOBALCRCY sy-vline 
WA_PROJBILLGREQITEM_STR-TOBEWRITTENOFFQUANTITY sy-vline 
WA_PROJBILLGREQITEM_STR-TOBEWRITTENOFFAMTINTRANSCRCY sy-vline 
WA_PROJBILLGREQITEM_STR-TOBEWRITTENOFFAMTINPROJECTCRCY sy-vline 
WA_PROJBILLGREQITEM_STR-TOBEWRITTENOFFAMTINGLOBALCRCY sy-vline 
WA_PROJBILLGREQITEM_STR-TOBEBILLEDQUANTITY sy-vline 
WA_PROJBILLGREQITEM_STR-TOBEBILLEDAMTINTRANSCRCY sy-vline 
WA_PROJBILLGREQITEM_STR-TOBEBILLEDAMTINPROJCURRENCY sy-vline 
WA_PROJBILLGREQITEM_STR-TOBEBILLEDAMTINGLOBCURRENCY sy-vline 
WA_PROJBILLGREQITEM_STR-SERVICESRENDEREDDATE sy-vline 
WA_PROJBILLGREQITEM_STR-PROJBILLGREQITMCRTEDBYUSER sy-vline 
WA_PROJBILLGREQITEM_STR-PROJBILLGREQITMCRTEDATDTETME sy-vline 
WA_PROJBILLGREQITEM_STR-PROJBILLGREQITMLASTCHGDBY sy-vline 
WA_PROJBILLGREQITEM_STR-PROJBILLGREQITMLASTCHGDDTETME sy-vline 
WA_PROJBILLGREQITEM_STR-MANUALBILLABILITYSELECTION sy-vline 
WA_PROJBILLGREQITEM_STR-MANUALBILLGSELFORPRJBLGREQITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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