ABAP Select data from SAP table PCCTRITEMMNTR1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PCCTRITEMMNTR1 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 PCCTRITEMMNTR1. 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 PCCTRITEMMNTR1 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_PCCTRITEMMNTR1 TYPE STANDARD TABLE OF PCCTRITEMMNTR1,
      WA_PCCTRITEMMNTR1 TYPE PCCTRITEMMNTR1,
      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: <PCCTRITEMMNTR1> TYPE PCCTRITEMMNTR1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PCCTRITEMMNTR1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PCCTRITEMMNTR1
  INTO TABLE IT_PCCTRITEMMNTR1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCCTRITEMMNTR1
*  INTO TABLE @DATA(IT_PCCTRITEMMNTR12).
*--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_PCCTRITEMMNTR1 INDEX 1 INTO DATA(WA_PCCTRITEMMNTR12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PCCTRITEMMNTR1 ASSIGNING <PCCTRITEMMNTR1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCCTRITEMMNTR1>-MANDT = 1.
<PCCTRITEMMNTR1>-CENTRALPURCHASECONTRACT = 1.
<PCCTRITEMMNTR1>-CENTRALPURCHASECONTRACTITEM = 1.
<PCCTRITEMMNTR1>-DISTRIBUTIONKEY = 1.
<PCCTRITEMMNTR1>-FORMATTEDPURCHASINGDOCITEM = 1.

ENDLOOP.

LOOP AT IT_PCCTRITEMMNTR1 INTO WA_PCCTRITEMMNTR1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCCTRITEMMNTR1-CNTRLPURCONTRDISTRIBUTIONLEVEL, sy-vline,
  WA_PCCTRITEMMNTR1-PURCHASECONTRACTTYPE, sy-vline,
  WA_PCCTRITEMMNTR1-PROCMTHUBPURCHASINGORG, sy-vline,
  WA_PCCTRITEMMNTR1-LOGICALSYSTEM, sy-vline,
  WA_PCCTRITEMMNTR1-PROCMTHUBPURCHASINGGROUP, sy-vline,
  WA_PCCTRITEMMNTR1-SUPPLIER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCCTRITEMMNTR1 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_PCCTRITEMMNTR1 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_PCCTRITEMMNTR1 INTO WA_PCCTRITEMMNTR1.


*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 CENTRALPURCHASECONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCCTRITEMMNTR1-CENTRALPURCHASECONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCCTRITEMMNTR1-CENTRALPURCHASECONTRACT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGICALSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCCTRITEMMNTR1-LOGICALSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCCTRITEMMNTR1-LOGICALSYSTEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCCTRITEMMNTR1-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCCTRITEMMNTR1-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PCCTRITEMMNTR1-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCCTRITEMMNTR1-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PURCHASINGCENTRALMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PCCTRITEMMNTR1-PURCHASINGCENTRALMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCCTRITEMMNTR1-PURCHASINGCENTRALMATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PCCTRITEMMNTR1-ORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCCTRITEMMNTR1-ORDERQUANTITYUNIT.
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_PCCTRITEMMNTR1_STR, 
MANDT TYPE STRING,
CENTRALPURCHASECONTRACT TYPE STRING,
CENTRALPURCHASECONTRACTITEM TYPE STRING,
DISTRIBUTIONKEY TYPE STRING,
FORMATTEDPURCHASINGDOCITEM TYPE STRING,
CNTRLPURCONTRDISTRIBUTIONLEVEL TYPE STRING,
PURCHASECONTRACTTYPE TYPE STRING,
PROCMTHUBPURCHASINGORG TYPE STRING,
LOGICALSYSTEM TYPE STRING,
PROCMTHUBPURCHASINGGROUP TYPE STRING,
SUPPLIER TYPE STRING,
PROCMTHUBCOMPANYCODE TYPE STRING,
PROCMTHUBPLANT TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
PURCHASECONTRACTVALIDITYSTATUS TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PLANT TYPE STRING,
COMPANYCODE TYPE STRING,
PURGDOCPRICEDATE TYPE STRING,
CREATIONDATE TYPE STRING,
NETPRICEQUANTITY TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
PRODUCTTYPE TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
PURCHASINGCENTRALMATERIAL TYPE STRING,
TARGETQUANTITY TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,
ITEMDISTRIBUTIONSTATUS TYPE STRING,
CONTRACTNETPRICEAMOUNT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
PURGDOCCHANGEREQUESTSTATUS TYPE STRING,
PROCMTHUBCOMPANYCODEGROUPINGID TYPE STRING,
ORDPRICEUNITTOORDERUNITDNMNTR TYPE STRING,
ORDERPRICEUNITTOORDERUNITNMRTR TYPE STRING,
CHANGEREQUESTNOTE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCCTRITEMMNTR1_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_PCCTRITEMMNTR1_STR-MANDT sy-vline 
WA_PCCTRITEMMNTR1_STR-CENTRALPURCHASECONTRACT sy-vline 
WA_PCCTRITEMMNTR1_STR-CENTRALPURCHASECONTRACTITEM sy-vline 
WA_PCCTRITEMMNTR1_STR-DISTRIBUTIONKEY sy-vline 
WA_PCCTRITEMMNTR1_STR-FORMATTEDPURCHASINGDOCITEM sy-vline 
WA_PCCTRITEMMNTR1_STR-CNTRLPURCONTRDISTRIBUTIONLEVEL sy-vline 
WA_PCCTRITEMMNTR1_STR-PURCHASECONTRACTTYPE sy-vline 
WA_PCCTRITEMMNTR1_STR-PROCMTHUBPURCHASINGORG sy-vline 
WA_PCCTRITEMMNTR1_STR-LOGICALSYSTEM sy-vline 
WA_PCCTRITEMMNTR1_STR-PROCMTHUBPURCHASINGGROUP sy-vline 
WA_PCCTRITEMMNTR1_STR-SUPPLIER sy-vline 
WA_PCCTRITEMMNTR1_STR-PROCMTHUBCOMPANYCODE sy-vline 
WA_PCCTRITEMMNTR1_STR-PROCMTHUBPLANT sy-vline 
WA_PCCTRITEMMNTR1_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_PCCTRITEMMNTR1_STR-VALIDITYSTARTDATE sy-vline 
WA_PCCTRITEMMNTR1_STR-VALIDITYENDDATE sy-vline 
WA_PCCTRITEMMNTR1_STR-PURCHASECONTRACTVALIDITYSTATUS sy-vline 
WA_PCCTRITEMMNTR1_STR-PURCHASINGORGANIZATION sy-vline 
WA_PCCTRITEMMNTR1_STR-PURCHASINGGROUP sy-vline 
WA_PCCTRITEMMNTR1_STR-PLANT sy-vline 
WA_PCCTRITEMMNTR1_STR-COMPANYCODE sy-vline 
WA_PCCTRITEMMNTR1_STR-PURGDOCPRICEDATE sy-vline 
WA_PCCTRITEMMNTR1_STR-CREATIONDATE sy-vline 
WA_PCCTRITEMMNTR1_STR-NETPRICEQUANTITY sy-vline 
WA_PCCTRITEMMNTR1_STR-MATERIAL sy-vline 
WA_PCCTRITEMMNTR1_STR-MATERIALGROUP sy-vline 
WA_PCCTRITEMMNTR1_STR-PRODUCTTYPE sy-vline 
WA_PCCTRITEMMNTR1_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_PCCTRITEMMNTR1_STR-PURCHASINGCENTRALMATERIAL sy-vline 
WA_PCCTRITEMMNTR1_STR-TARGETQUANTITY sy-vline 
WA_PCCTRITEMMNTR1_STR-ORDERQUANTITYUNIT sy-vline 
WA_PCCTRITEMMNTR1_STR-ITEMDISTRIBUTIONSTATUS sy-vline 
WA_PCCTRITEMMNTR1_STR-CONTRACTNETPRICEAMOUNT sy-vline 
WA_PCCTRITEMMNTR1_STR-DOCUMENTCURRENCY sy-vline 
WA_PCCTRITEMMNTR1_STR-PURGDOCCHANGEREQUESTSTATUS sy-vline 
WA_PCCTRITEMMNTR1_STR-PROCMTHUBCOMPANYCODEGROUPINGID sy-vline 
WA_PCCTRITEMMNTR1_STR-ORDPRICEUNITTOORDERUNITDNMNTR sy-vline 
WA_PCCTRITEMMNTR1_STR-ORDERPRICEUNITTOORDERUNITNMRTR sy-vline 
WA_PCCTRITEMMNTR1_STR-CHANGEREQUESTNOTE sy-vline      INTO ld_text SEPARATED BY SPACE.

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