ABAP Select data from SAP table PTRRMONUNION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PTRRMONUNION
*  INTO TABLE @DATA(IT_PTRRMONUNION2).
*--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_PTRRMONUNION INDEX 1 INTO DATA(WA_PTRRMONUNION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PTRRMONUNION>-MANDT = 1.
<PTRRMONUNION>-PROJECTINTERNALID = 1.
<PTRRMONUNION>-WBSELEMENTINTERNALID = 1.
<PTRRMONUNION>-LEDGER = 1.
<PTRRMONUNION>-COMPANYCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PTRRMONUNION-PROJECTEXTERNALID, sy-vline,
  WA_PTRRMONUNION-PROJECTDESCRIPTION, sy-vline,
  WA_PTRRMONUNION-WBSELEMENTEXTERNALID, sy-vline,
  WA_PTRRMONUNION-RESULTANALYSISINTERNALID, sy-vline,
  WA_PTRRMONUNION-FISCALPERIOD, sy-vline,
  WA_PTRRMONUNION-FISCALYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PTRRMONUNION 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_PTRRMONUNION 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_PTRRMONUNION INTO WA_PTRRMONUNION.


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

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PTRRMONUNION-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTRRMONUNION-FISCALYEAR.
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_PTRRMONUNION_STR, 
MANDT TYPE STRING,
PROJECTINTERNALID TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
LEDGER TYPE STRING,
COMPANYCODE TYPE STRING,
PROJECTEXTERNALID TYPE STRING,
PROJECTDESCRIPTION TYPE STRING,
WBSELEMENTEXTERNALID TYPE STRING,
RESULTANALYSISINTERNALID TYPE STRING,
FISCALPERIOD TYPE STRING,
FISCALYEAR TYPE STRING,
TOFISCALYEARPERIOD TYPE STRING,
PROJECTMANAGER TYPE STRING,
PROJECTMANAGERNAME TYPE STRING,
WBSELEMENTDESCRIPTION TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
POSTINGFISCALPERIOD TYPE STRING,
POSTINGDATE TYPE STRING,
ACTLSLSDEDUCTIONAMTINCCCRCY TYPE STRING,
RECOGNIZABLECOSTAMTINCCCRCY TYPE STRING,
RECOGNIZABLEREVENUEAMTINCCCRCY TYPE STRING,
REVENUEADJUSTMENTAMTINCCCRCY TYPE STRING,
COGSADJUSTMENTAMTINCCCRCY TYPE STRING,
DEFERREDCOGSAMTINCCCRCY TYPE STRING,
DEFERREDREVENUEAMTINCCCRCY TYPE STRING,
ACCRUEDREVENUEAMTINCCCRCY TYPE STRING,
ACCRUEDCOGSAMTINCCCRCY TYPE STRING,
IMMINENTLOSSRSRVAMTINCCCRCY TYPE STRING,
SALESDEDUCTRESERVEAMTINCCCRCY TYPE STRING,
UNRLZDCOSTSRESERVEAMTINCCCRCY TYPE STRING,
PLANNEDCOSAMTINCCCRCY TYPE STRING,
PLANNEDREVENUEAMTINCCCRCY TYPE STRING,
RECOGNIZEDCOGSAMTINCCCRCY TYPE STRING,
RECOGNIZEDREVNAMTINCCCRCY TYPE STRING,
RECOGNIZEDMARGINAMTINCCCRCY TYPE STRING,
UNBILLEDREVNINCOCODECRCY TYPE STRING,
MNLCONTRACCRPNLITMAMTINCCCRCY TYPE STRING,
MNLCONTRACCRBALSHTAMTINCCCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PTRRMONUNION_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_PTRRMONUNION_STR-MANDT sy-vline 
WA_PTRRMONUNION_STR-PROJECTINTERNALID sy-vline 
WA_PTRRMONUNION_STR-WBSELEMENTINTERNALID sy-vline 
WA_PTRRMONUNION_STR-LEDGER sy-vline 
WA_PTRRMONUNION_STR-COMPANYCODE sy-vline 
WA_PTRRMONUNION_STR-PROJECTEXTERNALID sy-vline 
WA_PTRRMONUNION_STR-PROJECTDESCRIPTION sy-vline 
WA_PTRRMONUNION_STR-WBSELEMENTEXTERNALID sy-vline 
WA_PTRRMONUNION_STR-RESULTANALYSISINTERNALID sy-vline 
WA_PTRRMONUNION_STR-FISCALPERIOD sy-vline 
WA_PTRRMONUNION_STR-FISCALYEAR sy-vline 
WA_PTRRMONUNION_STR-TOFISCALYEARPERIOD sy-vline 
WA_PTRRMONUNION_STR-PROJECTMANAGER sy-vline 
WA_PTRRMONUNION_STR-PROJECTMANAGERNAME sy-vline 
WA_PTRRMONUNION_STR-WBSELEMENTDESCRIPTION sy-vline 
WA_PTRRMONUNION_STR-COMPANYCODECURRENCY sy-vline 
WA_PTRRMONUNION_STR-POSTINGFISCALPERIOD sy-vline 
WA_PTRRMONUNION_STR-POSTINGDATE sy-vline 
WA_PTRRMONUNION_STR-ACTLSLSDEDUCTIONAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-RECOGNIZABLECOSTAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-RECOGNIZABLEREVENUEAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-REVENUEADJUSTMENTAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-COGSADJUSTMENTAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-DEFERREDCOGSAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-DEFERREDREVENUEAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-ACCRUEDREVENUEAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-ACCRUEDCOGSAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-IMMINENTLOSSRSRVAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-SALESDEDUCTRESERVEAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-UNRLZDCOSTSRESERVEAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-PLANNEDCOSAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-PLANNEDREVENUEAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-RECOGNIZEDCOGSAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-RECOGNIZEDREVNAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-RECOGNIZEDMARGINAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-UNBILLEDREVNINCOCODECRCY sy-vline 
WA_PTRRMONUNION_STR-MNLCONTRACCRPNLITMAMTINCCCRCY sy-vline 
WA_PTRRMONUNION_STR-MNLCONTRACCRBALSHTAMTINCCCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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