ABAP Select data from SAP table PCTRFILTERDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCTRFILTERDATA
*  INTO TABLE @DATA(IT_PCTRFILTERDATA2).
*--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_PCTRFILTERDATA INDEX 1 INTO DATA(WA_PCTRFILTERDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCTRFILTERDATA>-MANDT = 1.
<PCTRFILTERDATA>-CONTRACTNUM = 1.
<PCTRFILTERDATA>-TRADINGCONTRACTITEM = 1.
<PCTRFILTERDATA>-CONTRACTSUBITEM = 1.
<PCTRFILTERDATA>-TRADINGCONTRACTITEMQUANTITY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCTRFILTERDATA-TRDGCONTRACTITEMUNITOFMEASURE, sy-vline,
  WA_PCTRFILTERDATA-CONTRACTMATERIAL, sy-vline,
  WA_PCTRFILTERDATA-CONTRACTPLANT, sy-vline,
  WA_PCTRFILTERDATA-RELATEDDOCUMENTNUMBER, sy-vline,
  WA_PCTRFILTERDATA-RELATEDDOCUMENTITEMNUMBER, sy-vline,
  WA_PCTRFILTERDATA-TRADINGCONTRACTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCTRFILTERDATA 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_PCTRFILTERDATA 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_PCTRFILTERDATA INTO WA_PCTRFILTERDATA.


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

*Conversion exit CUNIT, internal->external for field TRDGCONTRACTITEMUNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PCTRFILTERDATA-TRDGCONTRACTITEMUNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCTRFILTERDATA-TRDGCONTRACTITEMUNITOFMEASURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field CONTRACTMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PCTRFILTERDATA-CONTRACTMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCTRFILTERDATA-CONTRACTMATERIAL.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field SUPPLIERNAME
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCTRFILTERDATA-SUPPLIERNAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCTRFILTERDATA-SUPPLIERNAME.
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_PCTRFILTERDATA_STR, 
MANDT TYPE STRING,
CONTRACTNUM TYPE STRING,
TRADINGCONTRACTITEM TYPE STRING,
CONTRACTSUBITEM TYPE STRING,
TRADINGCONTRACTITEMQUANTITY TYPE STRING,
TRDGCONTRACTITEMUNITOFMEASURE TYPE STRING,
CONTRACTMATERIAL TYPE STRING,
CONTRACTPLANT TYPE STRING,
RELATEDDOCUMENTNUMBER TYPE STRING,
RELATEDDOCUMENTITEMNUMBER TYPE STRING,
TRADINGCONTRACTTYPE TYPE STRING,
COMPANYCODE TYPE STRING,
STORAGELOCATION TYPE STRING,
DOCUMENTSIDE TYPE STRING,
DOCUMENTDATE TYPE STRING,
TRADINGCONTRACTCREATEDBY TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
COMMODITY TYPE STRING,
CUSTOMERNAME TYPE STRING,
SUPPLIERNAME TYPE STRING,
PRICINGDOCUMENT TYPE STRING,
PRICINGPROCEDURE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCTRFILTERDATA_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_PCTRFILTERDATA_STR-MANDT sy-vline 
WA_PCTRFILTERDATA_STR-CONTRACTNUM sy-vline 
WA_PCTRFILTERDATA_STR-TRADINGCONTRACTITEM sy-vline 
WA_PCTRFILTERDATA_STR-CONTRACTSUBITEM sy-vline 
WA_PCTRFILTERDATA_STR-TRADINGCONTRACTITEMQUANTITY sy-vline 
WA_PCTRFILTERDATA_STR-TRDGCONTRACTITEMUNITOFMEASURE sy-vline 
WA_PCTRFILTERDATA_STR-CONTRACTMATERIAL sy-vline 
WA_PCTRFILTERDATA_STR-CONTRACTPLANT sy-vline 
WA_PCTRFILTERDATA_STR-RELATEDDOCUMENTNUMBER sy-vline 
WA_PCTRFILTERDATA_STR-RELATEDDOCUMENTITEMNUMBER sy-vline 
WA_PCTRFILTERDATA_STR-TRADINGCONTRACTTYPE sy-vline 
WA_PCTRFILTERDATA_STR-COMPANYCODE sy-vline 
WA_PCTRFILTERDATA_STR-STORAGELOCATION sy-vline 
WA_PCTRFILTERDATA_STR-DOCUMENTSIDE sy-vline 
WA_PCTRFILTERDATA_STR-DOCUMENTDATE sy-vline 
WA_PCTRFILTERDATA_STR-TRADINGCONTRACTCREATEDBY sy-vline 
WA_PCTRFILTERDATA_STR-SALESORGANIZATION sy-vline 
WA_PCTRFILTERDATA_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_PCTRFILTERDATA_STR-DIVISION sy-vline 
WA_PCTRFILTERDATA_STR-PURCHASINGORGANIZATION sy-vline 
WA_PCTRFILTERDATA_STR-PURCHASINGGROUP sy-vline 
WA_PCTRFILTERDATA_STR-COMMODITY sy-vline 
WA_PCTRFILTERDATA_STR-CUSTOMERNAME sy-vline 
WA_PCTRFILTERDATA_STR-SUPPLIERNAME sy-vline 
WA_PCTRFILTERDATA_STR-PRICINGDOCUMENT sy-vline 
WA_PCTRFILTERDATA_STR-PRICINGPROCEDURE sy-vline      INTO ld_text SEPARATED BY SPACE.

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