ABAP Select data from SAP table PRJBLGEMTENTRFLW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRJBLGEMTENTRFLW
*  INTO TABLE @DATA(IT_PRJBLGEMTENTRFLW2).
*--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_PRJBLGEMTENTRFLW INDEX 1 INTO DATA(WA_PRJBLGEMTENTRFLW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRJBLGEMTENTRFLW>-MANDT = 1.
<PRJBLGEMTENTRFLW>-PROJBILLGELMNTENTRITMFLOWUUID = 1.
<PRJBLGEMTENTRFLW>-PROJBILLGELMNTENTRITMUUID = 1.
<PRJBLGEMTENTRFLW>-BILLINGDOCUMENT = 1.
<PRJBLGEMTENTRFLW>-BILLINGDOCUMENTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRJBLGEMTENTRFLW-BILLINGDOCUMENTTYPE, sy-vline,
  WA_PRJBLGEMTENTRFLW-SDDOCUMENTCATEGORY, sy-vline,
  WA_PRJBLGEMTENTRFLW-PRECEDINGDOCUMENT, sy-vline,
  WA_PRJBLGEMTENTRFLW-PRECEDINGDOCUMENTITEM, sy-vline,
  WA_PRJBLGEMTENTRFLW-PRECEDINGDOCUMENTTYPE, sy-vline,
  WA_PRJBLGEMTENTRFLW-BILLINGDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRJBLGEMTENTRFLW 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_PRJBLGEMTENTRFLW 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_PRJBLGEMTENTRFLW INTO WA_PRJBLGEMTENTRFLW.


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

*Conversion exit ALPHA, internal->external for field PRECEDINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRJBLGEMTENTRFLW-PRECEDINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRJBLGEMTENTRFLW-PRECEDINGDOCUMENT.
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_PRJBLGEMTENTRFLW_STR, 
MANDT TYPE STRING,
PROJBILLGELMNTENTRITMFLOWUUID TYPE STRING,
PROJBILLGELMNTENTRITMUUID TYPE STRING,
BILLINGDOCUMENT TYPE STRING,
BILLINGDOCUMENTITEM TYPE STRING,
BILLINGDOCUMENTTYPE TYPE STRING,
SDDOCUMENTCATEGORY TYPE STRING,
PRECEDINGDOCUMENT TYPE STRING,
PRECEDINGDOCUMENTITEM TYPE STRING,
PRECEDINGDOCUMENTTYPE TYPE STRING,
BILLINGDATE TYPE STRING,
DOCUMENTBILLINGSTATUS TYPE STRING,
NETPRICEAMOUNTINDOCCRCY TYPE STRING,
BILLINGREQUESTEDQUANTITY TYPE STRING,
BILLGREQDAMTINTRANSACCRCY TYPE STRING,
BILLGREQDAMTINPROJECTCRCY TYPE STRING,
BILLGREQDAMTINGLOBALCRCY TYPE STRING,
WRITTENOFFQUANTITY TYPE STRING,
WRITTENOFFAMTINTRANSACCRCY TYPE STRING,
WRITTENOFFAMTINPROJECTCRCY TYPE STRING,
WRITTENOFFAMTINGLOBALCRCY TYPE STRING,
POSTPONEDQUANTITY TYPE STRING,
POSTPONEDAMOUNTINTRANSACCRCY TYPE STRING,
POSTPONEDAMOUNTINPROJECTCRCY TYPE STRING,
POSTPONEDAMOUNTINGLOBALCRCY TYPE STRING,
BILLGREQDREVENUEAMTINDOCCRCY TYPE STRING,
WRITTENOFFREVENUEAMTINDOCCRCY TYPE STRING,
PRJBLGELMENTRFLWCREATEDBYUSER TYPE STRING,
PRJBLGELMENTRFLWCRTEDATDTETME TYPE STRING,
PRJBLGELMENTRFLWCHANGEDBYUSER TYPE STRING,
PRJBLGELMENTRFLWCHGDATDTETME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRJBLGEMTENTRFLW_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_PRJBLGEMTENTRFLW_STR-MANDT sy-vline 
WA_PRJBLGEMTENTRFLW_STR-PROJBILLGELMNTENTRITMFLOWUUID sy-vline 
WA_PRJBLGEMTENTRFLW_STR-PROJBILLGELMNTENTRITMUUID sy-vline 
WA_PRJBLGEMTENTRFLW_STR-BILLINGDOCUMENT sy-vline 
WA_PRJBLGEMTENTRFLW_STR-BILLINGDOCUMENTITEM sy-vline 
WA_PRJBLGEMTENTRFLW_STR-BILLINGDOCUMENTTYPE sy-vline 
WA_PRJBLGEMTENTRFLW_STR-SDDOCUMENTCATEGORY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-PRECEDINGDOCUMENT sy-vline 
WA_PRJBLGEMTENTRFLW_STR-PRECEDINGDOCUMENTITEM sy-vline 
WA_PRJBLGEMTENTRFLW_STR-PRECEDINGDOCUMENTTYPE sy-vline 
WA_PRJBLGEMTENTRFLW_STR-BILLINGDATE sy-vline 
WA_PRJBLGEMTENTRFLW_STR-DOCUMENTBILLINGSTATUS sy-vline 
WA_PRJBLGEMTENTRFLW_STR-NETPRICEAMOUNTINDOCCRCY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-BILLINGREQUESTEDQUANTITY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-BILLGREQDAMTINTRANSACCRCY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-BILLGREQDAMTINPROJECTCRCY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-BILLGREQDAMTINGLOBALCRCY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-WRITTENOFFQUANTITY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-WRITTENOFFAMTINTRANSACCRCY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-WRITTENOFFAMTINPROJECTCRCY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-WRITTENOFFAMTINGLOBALCRCY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-POSTPONEDQUANTITY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-POSTPONEDAMOUNTINTRANSACCRCY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-POSTPONEDAMOUNTINPROJECTCRCY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-POSTPONEDAMOUNTINGLOBALCRCY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-BILLGREQDREVENUEAMTINDOCCRCY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-WRITTENOFFREVENUEAMTINDOCCRCY sy-vline 
WA_PRJBLGEMTENTRFLW_STR-PRJBLGELMENTRFLWCREATEDBYUSER sy-vline 
WA_PRJBLGEMTENTRFLW_STR-PRJBLGELMENTRFLWCRTEDATDTETME sy-vline 
WA_PRJBLGEMTENTRFLW_STR-PRJBLGELMENTRFLWCHANGEDBYUSER sy-vline 
WA_PRJBLGEMTENTRFLW_STR-PRJBLGELMENTRFLWCHGDATDTETME sy-vline      INTO ld_text SEPARATED BY SPACE.

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