ABAP Select data from SAP table PCTRNOTRSVDQTY into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PCTRNOTRSVDQTY 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 PCTRNOTRSVDQTY. 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 PCTRNOTRSVDQTY 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_PCTRNOTRSVDQTY TYPE STANDARD TABLE OF PCTRNOTRSVDQTY,
      WA_PCTRNOTRSVDQTY TYPE PCTRNOTRSVDQTY,
      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: <PCTRNOTRSVDQTY> TYPE PCTRNOTRSVDQTY.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCTRNOTRSVDQTY
*  INTO TABLE @DATA(IT_PCTRNOTRSVDQTY2).
*--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_PCTRNOTRSVDQTY INDEX 1 INTO DATA(WA_PCTRNOTRSVDQTY2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCTRNOTRSVDQTY-ACMPRICINGASPECTVALUE, sy-vline,
  WA_PCTRNOTRSVDQTY-TRADINGCONTRACTITEMQUANTITY, sy-vline,
  WA_PCTRNOTRSVDQTY-TRDGCONTRACTITEMUNITOFMEASURE, sy-vline,
  WA_PCTRNOTRSVDQTY-TRADINGCONTRITEMQTYINBASEUNIT, sy-vline,
  WA_PCTRNOTRSVDQTY-CONTRACTMATERIAL, sy-vline,
  WA_PCTRNOTRSVDQTY-CONTRACTPLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCTRNOTRSVDQTY 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_PCTRNOTRSVDQTY 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_PCTRNOTRSVDQTY INTO WA_PCTRNOTRSVDQTY.


*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_PCTRNOTRSVDQTY-CONTRACTNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCTRNOTRSVDQTY-CONTRACTNUM.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field MATERIALBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PCTRNOTRSVDQTY-MATERIALBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCTRNOTRSVDQTY-MATERIALBASEUNIT.
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_PCTRNOTRSVDQTY_STR, 
MANDT TYPE STRING,
CONTRACTNUM TYPE STRING,
TRADINGCONTRACTITEM TYPE STRING,
CONTRACTSUBITEM TYPE STRING,
ACMPRICINGASPECT TYPE STRING,
ACMPRICINGASPECTVALUE TYPE STRING,
TRADINGCONTRACTITEMQUANTITY TYPE STRING,
TRDGCONTRACTITEMUNITOFMEASURE TYPE STRING,
TRADINGCONTRITEMQTYINBASEUNIT TYPE STRING,
CONTRACTMATERIAL TYPE STRING,
CONTRACTPLANT 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,
RELATEDDOCUMENTNUMBER TYPE STRING,
RELATEDDOCUMENTITEMNUMBER TYPE STRING,
CONTRACTISMIRRORCONTR TYPE STRING,
TRDGCONTRPRCGASPECTSRCELOTID TYPE STRING,
PRICINGCONDITIONTERM TYPE STRING,
CONTRACTTRADEQUANTITY TYPE STRING,
CONTRACTTRADEUNIT TYPE STRING,
CONTRACTTRADEQTYINBASEUNIT TYPE STRING,
CONTRACTITEMQTY TYPE STRING,
CONTRACTTRADEDQTY TYPE STRING,
MATERIALBASEUNIT TYPE STRING,
CLIENT TYPE STRING,
QUANTITYCONVTOBASENUMERATOR TYPE STRING,
QUANTITYCONVTOBASEDENOMINATOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCTRNOTRSVDQTY_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_PCTRNOTRSVDQTY_STR-MANDT sy-vline 
WA_PCTRNOTRSVDQTY_STR-CONTRACTNUM sy-vline 
WA_PCTRNOTRSVDQTY_STR-TRADINGCONTRACTITEM sy-vline 
WA_PCTRNOTRSVDQTY_STR-CONTRACTSUBITEM sy-vline 
WA_PCTRNOTRSVDQTY_STR-ACMPRICINGASPECT sy-vline 
WA_PCTRNOTRSVDQTY_STR-ACMPRICINGASPECTVALUE sy-vline 
WA_PCTRNOTRSVDQTY_STR-TRADINGCONTRACTITEMQUANTITY sy-vline 
WA_PCTRNOTRSVDQTY_STR-TRDGCONTRACTITEMUNITOFMEASURE sy-vline 
WA_PCTRNOTRSVDQTY_STR-TRADINGCONTRITEMQTYINBASEUNIT sy-vline 
WA_PCTRNOTRSVDQTY_STR-CONTRACTMATERIAL sy-vline 
WA_PCTRNOTRSVDQTY_STR-CONTRACTPLANT sy-vline 
WA_PCTRNOTRSVDQTY_STR-TRADINGCONTRACTTYPE sy-vline 
WA_PCTRNOTRSVDQTY_STR-COMPANYCODE sy-vline 
WA_PCTRNOTRSVDQTY_STR-STORAGELOCATION sy-vline 
WA_PCTRNOTRSVDQTY_STR-DOCUMENTSIDE sy-vline 
WA_PCTRNOTRSVDQTY_STR-DOCUMENTDATE sy-vline 
WA_PCTRNOTRSVDQTY_STR-TRADINGCONTRACTCREATEDBY sy-vline 
WA_PCTRNOTRSVDQTY_STR-SALESORGANIZATION sy-vline 
WA_PCTRNOTRSVDQTY_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_PCTRNOTRSVDQTY_STR-DIVISION sy-vline 
WA_PCTRNOTRSVDQTY_STR-PURCHASINGORGANIZATION sy-vline 
WA_PCTRNOTRSVDQTY_STR-PURCHASINGGROUP sy-vline 
WA_PCTRNOTRSVDQTY_STR-COMMODITY sy-vline 
WA_PCTRNOTRSVDQTY_STR-CUSTOMERNAME sy-vline 
WA_PCTRNOTRSVDQTY_STR-SUPPLIERNAME sy-vline 
WA_PCTRNOTRSVDQTY_STR-PRICINGDOCUMENT sy-vline 
WA_PCTRNOTRSVDQTY_STR-PRICINGPROCEDURE sy-vline 
WA_PCTRNOTRSVDQTY_STR-RELATEDDOCUMENTNUMBER sy-vline 
WA_PCTRNOTRSVDQTY_STR-RELATEDDOCUMENTITEMNUMBER sy-vline 
WA_PCTRNOTRSVDQTY_STR-CONTRACTISMIRRORCONTR sy-vline 
WA_PCTRNOTRSVDQTY_STR-TRDGCONTRPRCGASPECTSRCELOTID sy-vline 
WA_PCTRNOTRSVDQTY_STR-PRICINGCONDITIONTERM sy-vline 
WA_PCTRNOTRSVDQTY_STR-CONTRACTTRADEQUANTITY sy-vline 
WA_PCTRNOTRSVDQTY_STR-CONTRACTTRADEUNIT sy-vline 
WA_PCTRNOTRSVDQTY_STR-CONTRACTTRADEQTYINBASEUNIT sy-vline 
WA_PCTRNOTRSVDQTY_STR-CONTRACTITEMQTY sy-vline 
WA_PCTRNOTRSVDQTY_STR-CONTRACTTRADEDQTY sy-vline 
WA_PCTRNOTRSVDQTY_STR-MATERIALBASEUNIT sy-vline 
WA_PCTRNOTRSVDQTY_STR-CLIENT sy-vline 
WA_PCTRNOTRSVDQTY_STR-QUANTITYCONVTOBASENUMERATOR sy-vline 
WA_PCTRNOTRSVDQTY_STR-QUANTITYCONVTOBASEDENOMINATOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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