ABAP Select data from SAP table PMMMATLPRC3NTPRC into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PMMMATLPRC3NTPRC 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 PMMMATLPRC3NTPRC. 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 PMMMATLPRC3NTPRC 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_PMMMATLPRC3NTPRC TYPE STANDARD TABLE OF PMMMATLPRC3NTPRC,
      WA_PMMMATLPRC3NTPRC TYPE PMMMATLPRC3NTPRC,
      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: <PMMMATLPRC3NTPRC> TYPE PMMMATLPRC3NTPRC.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PMMMATLPRC3NTPRC.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PMMMATLPRC3NTPRC
  INTO TABLE IT_PMMMATLPRC3NTPRC.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMMMATLPRC3NTPRC
*  INTO TABLE @DATA(IT_PMMMATLPRC3NTPRC2).
*--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_PMMMATLPRC3NTPRC INDEX 1 INTO DATA(WA_PMMMATLPRC3NTPRC2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PMMMATLPRC3NTPRC ASSIGNING <PMMMATLPRC3NTPRC>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMMMATLPRC3NTPRC>-MANDT = 1.
<PMMMATLPRC3NTPRC>-PURCHASEORDER = 1.
<PMMMATLPRC3NTPRC>-PURCHASEORDERITEM = 1.
<PMMMATLPRC3NTPRC>-ACCOUNTASSIGNMENTNUMBER = 1.
<PMMMATLPRC3NTPRC>-MATERIALDOCUMENTYEAR = 1.

ENDLOOP.

LOOP AT IT_PMMMATLPRC3NTPRC INTO WA_PMMMATLPRC3NTPRC.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMMMATLPRC3NTPRC-INVOICE, sy-vline,
  WA_PMMMATLPRC3NTPRC-MATERIALDOCUMENTITEM, sy-vline,
  WA_PMMMATLPRC3NTPRC-INVOICEDATE, sy-vline,
  WA_PMMMATLPRC3NTPRC-PURCHASINGORGANIZATION, sy-vline,
  WA_PMMMATLPRC3NTPRC-PURCHASINGGROUP, sy-vline,
  WA_PMMMATLPRC3NTPRC-PURCHASEORDERTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMMMATLPRC3NTPRC 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_PMMMATLPRC3NTPRC 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_PMMMATLPRC3NTPRC INTO WA_PMMMATLPRC3NTPRC.


*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 PURCHASEORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMMATLPRC3NTPRC-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMMATLPRC3NTPRC-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field MATERIALDOCUMENTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PMMMATLPRC3NTPRC-MATERIALDOCUMENTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMMATLPRC3NTPRC-MATERIALDOCUMENTYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMMATLPRC3NTPRC-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMMATLPRC3NTPRC-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PMMMATLPRC3NTPRC-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMMATLPRC3NTPRC-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PURCHASEORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PMMMATLPRC3NTPRC-PURCHASEORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMMATLPRC3NTPRC-PURCHASEORDERQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PMMMATLPRC3NTPRC-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMMATLPRC3NTPRC-BASEUNIT.
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_PMMMATLPRC3NTPRC_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
ACCOUNTASSIGNMENTNUMBER TYPE STRING,
MATERIALDOCUMENTYEAR TYPE STRING,
INVOICE TYPE STRING,
MATERIALDOCUMENTITEM TYPE STRING,
INVOICEDATE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASEORDERTYPE TYPE STRING,
COMPANYCODE TYPE STRING,
SUPPLIER TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
PLANT TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
PURCHASEORDERDATE TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
MULTIPLEACCTASSGMTDISTRIBUTION TYPE STRING,
ISRETURNITEMVALUE TYPE STRING,
NETPRICEQUANTITY TYPE STRING,
NETAMOUNT TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
BASEUNIT TYPE STRING,
INVOICEAMTINDISPLAYCURRENCY TYPE STRING,
QUANTITYINBASEUNIT TYPE STRING,
NETPRICEINVOICEAMTINBASEUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMMMATLPRC3NTPRC_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_PMMMATLPRC3NTPRC_STR-MANDT sy-vline 
WA_PMMMATLPRC3NTPRC_STR-PURCHASEORDER sy-vline 
WA_PMMMATLPRC3NTPRC_STR-PURCHASEORDERITEM sy-vline 
WA_PMMMATLPRC3NTPRC_STR-ACCOUNTASSIGNMENTNUMBER sy-vline 
WA_PMMMATLPRC3NTPRC_STR-MATERIALDOCUMENTYEAR sy-vline 
WA_PMMMATLPRC3NTPRC_STR-INVOICE sy-vline 
WA_PMMMATLPRC3NTPRC_STR-MATERIALDOCUMENTITEM sy-vline 
WA_PMMMATLPRC3NTPRC_STR-INVOICEDATE sy-vline 
WA_PMMMATLPRC3NTPRC_STR-PURCHASINGORGANIZATION sy-vline 
WA_PMMMATLPRC3NTPRC_STR-PURCHASINGGROUP sy-vline 
WA_PMMMATLPRC3NTPRC_STR-PURCHASEORDERTYPE sy-vline 
WA_PMMMATLPRC3NTPRC_STR-COMPANYCODE sy-vline 
WA_PMMMATLPRC3NTPRC_STR-SUPPLIER sy-vline 
WA_PMMMATLPRC3NTPRC_STR-MATERIAL sy-vline 
WA_PMMMATLPRC3NTPRC_STR-MATERIALGROUP sy-vline 
WA_PMMMATLPRC3NTPRC_STR-PLANT sy-vline 
WA_PMMMATLPRC3NTPRC_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_PMMMATLPRC3NTPRC_STR-PURCHASEORDERDATE sy-vline 
WA_PMMMATLPRC3NTPRC_STR-DOCUMENTCURRENCY sy-vline 
WA_PMMMATLPRC3NTPRC_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_PMMMATLPRC3NTPRC_STR-MULTIPLEACCTASSGMTDISTRIBUTION sy-vline 
WA_PMMMATLPRC3NTPRC_STR-ISRETURNITEMVALUE sy-vline 
WA_PMMMATLPRC3NTPRC_STR-NETPRICEQUANTITY sy-vline 
WA_PMMMATLPRC3NTPRC_STR-NETAMOUNT sy-vline 
WA_PMMMATLPRC3NTPRC_STR-NETPRICEAMOUNT sy-vline 
WA_PMMMATLPRC3NTPRC_STR-DISPLAYCURRENCY sy-vline 
WA_PMMMATLPRC3NTPRC_STR-BASEUNIT sy-vline 
WA_PMMMATLPRC3NTPRC_STR-INVOICEAMTINDISPLAYCURRENCY sy-vline 
WA_PMMMATLPRC3NTPRC_STR-QUANTITYINBASEUNIT sy-vline 
WA_PMMMATLPRC3NTPRC_STR-NETPRICEINVOICEAMTINBASEUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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