ABAP Select data from SAP table PCNTRLPRAATYP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCNTRLPRAATYP
*  INTO TABLE @DATA(IT_PCNTRLPRAATYP2).
*--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_PCNTRLPRAATYP INDEX 1 INTO DATA(WA_PCNTRLPRAATYP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCNTRLPRAATYP>-MANDT = 1.
<PCNTRLPRAATYP>-PROCMTHUBPURCHASEREQUISITION = 1.
<PCNTRLPRAATYP>-PROCMTHUBPURREQUISITIONITEM = 1.
<PCNTRLPRAATYP>-PROCUREMENTHUBSOURCESYSTEM = 1.
<PCNTRLPRAATYP>-MULTIPLEACCTASSGMTDISTRPERCENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCNTRLPRAATYP-PROCMTHUBCOSTCENTER, sy-vline,
  WA_PCNTRLPRAATYP-PROCMTHUBPROJECTNETWORK, sy-vline,
  WA_PCNTRLPRAATYP-PROCMTHUBMASTERFIXEDASSET, sy-vline,
  WA_PCNTRLPRAATYP-PROCMTHUBWBSELEMENTINTERNALID, sy-vline,
  WA_PCNTRLPRAATYP-PROCMTHUBGLACCOUNT, sy-vline,
  WA_PCNTRLPRAATYP-VALIDITYDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCNTRLPRAATYP 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_PCNTRLPRAATYP 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_PCNTRLPRAATYP INTO WA_PCNTRLPRAATYP.


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

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

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

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

*Conversion exit ALPHA, internal->external for field PROCMTHUBGLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCNTRLPRAATYP-PROCMTHUBGLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCNTRLPRAATYP-PROCMTHUBGLACCOUNT.
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_PCNTRLPRAATYP_STR, 
MANDT TYPE STRING,
PROCMTHUBPURCHASEREQUISITION TYPE STRING,
PROCMTHUBPURREQUISITIONITEM TYPE STRING,
PROCUREMENTHUBSOURCESYSTEM TYPE STRING,
MULTIPLEACCTASSGMTDISTRPERCENT TYPE STRING,
PROCMTHUBCOSTCENTER TYPE STRING,
PROCMTHUBPROJECTNETWORK TYPE STRING,
PROCMTHUBMASTERFIXEDASSET TYPE STRING,
PROCMTHUBWBSELEMENTINTERNALID TYPE STRING,
PROCMTHUBGLACCOUNT TYPE STRING,
VALIDITYDATE TYPE STRING,
PROCMTHUBCONTROLLINGAREA TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
PROCMTHUBACCTASSGMTCATEGORY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCNTRLPRAATYP_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_PCNTRLPRAATYP_STR-MANDT sy-vline 
WA_PCNTRLPRAATYP_STR-PROCMTHUBPURCHASEREQUISITION sy-vline 
WA_PCNTRLPRAATYP_STR-PROCMTHUBPURREQUISITIONITEM sy-vline 
WA_PCNTRLPRAATYP_STR-PROCUREMENTHUBSOURCESYSTEM sy-vline 
WA_PCNTRLPRAATYP_STR-MULTIPLEACCTASSGMTDISTRPERCENT sy-vline 
WA_PCNTRLPRAATYP_STR-PROCMTHUBCOSTCENTER sy-vline 
WA_PCNTRLPRAATYP_STR-PROCMTHUBPROJECTNETWORK sy-vline 
WA_PCNTRLPRAATYP_STR-PROCMTHUBMASTERFIXEDASSET sy-vline 
WA_PCNTRLPRAATYP_STR-PROCMTHUBWBSELEMENTINTERNALID sy-vline 
WA_PCNTRLPRAATYP_STR-PROCMTHUBGLACCOUNT sy-vline 
WA_PCNTRLPRAATYP_STR-VALIDITYDATE sy-vline 
WA_PCNTRLPRAATYP_STR-PROCMTHUBCONTROLLINGAREA sy-vline 
WA_PCNTRLPRAATYP_STR-CHARTOFACCOUNTS sy-vline 
WA_PCNTRLPRAATYP_STR-PROCMTHUBACCTASSGMTCATEGORY sy-vline      INTO ld_text SEPARATED BY SPACE.

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