ABAP Select data from SAP table ACNTRLPCTRVH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACNTRLPCTRVH
*  INTO TABLE @DATA(IT_ACNTRLPCTRVH2).
*--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_ACNTRLPCTRVH INDEX 1 INTO DATA(WA_ACNTRLPCTRVH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACNTRLPCTRVH>-MANDT = 1.
<ACNTRLPCTRVH>-CENTRALPURCHASECONTRACT = 1.
<ACNTRLPCTRVH>-PURCHASINGDOCUMENTVERSION = 1.
<ACNTRLPCTRVH>-ACTIVEPURCHASINGDOCUMENT = 1.
<ACNTRLPCTRVH>-PURCHASECONTRACTTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACNTRLPCTRVH-PURCHASINGDOCUMENTCATEGORY, sy-vline,
  WA_ACNTRLPCTRVH-SUPPLIER, sy-vline,
  WA_ACNTRLPCTRVH-COMPANYCODE, sy-vline,
  WA_ACNTRLPCTRVH-PURCHASINGORGANIZATION, sy-vline,
  WA_ACNTRLPCTRVH-PURCHASINGGROUP, sy-vline,
  WA_ACNTRLPCTRVH-VALIDITYSTARTDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACNTRLPCTRVH 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_ACNTRLPCTRVH 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_ACNTRLPCTRVH INTO WA_ACNTRLPCTRVH.


*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_ACNTRLPCTRVH-CENTRALPURCHASECONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACNTRLPCTRVH-CENTRALPURCHASECONTRACT.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field SUPPLYINGSUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACNTRLPCTRVH-SUPPLYINGSUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACNTRLPCTRVH-SUPPLYINGSUPPLIER.
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_ACNTRLPCTRVH_STR, 
MANDT TYPE STRING,
CENTRALPURCHASECONTRACT TYPE STRING,
PURCHASINGDOCUMENTVERSION TYPE STRING,
ACTIVEPURCHASINGDOCUMENT TYPE STRING,
PURCHASECONTRACTTYPE TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
SUPPLIER TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
CHANGEREQUESTNOTE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATEDBYUSERDESCRIPTION TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
PURCHASINGDOCVERSIONREASONCODE TYPE STRING,
PURCHASINGDOCVERSIONSTATUS TYPE STRING,
CURRENCY TYPE STRING,
INCOTERMSCLASSIFICATION TYPE STRING,
INCOTERMSTRANSFERLOCATION TYPE STRING,
INCOTERMSVERSION TYPE STRING,
INCOTERMSLOCATION1 TYPE STRING,
INCOTERMSLOCATION2 TYPE STRING,
PURCHASINGDOCUMENTNAME TYPE STRING,
PAYMENTTERMS TYPE STRING,
CASHDISCOUNT1DAYS TYPE STRING,
CASHDISCOUNT2DAYS TYPE STRING,
NETPAYMENTDAYS TYPE STRING,
CASHDISCOUNT1PERCENT TYPE STRING,
CASHDISCOUNT2PERCENT TYPE STRING,
PURCHASECONTRACTTARGETAMOUNT TYPE STRING,
RELEASECODE TYPE STRING,
PURCHASINGDOCUMENTDELETIONCODE TYPE STRING,
SUPPLYINGSUPPLIER TYPE STRING,
EXCHANGERATEISFIXED TYPE STRING,
QUOTATIONSUBMISSIONDATE TYPE STRING,
SUPPLIERQUOTATION TYPE STRING,
CORRESPNCEXTERNALREFERENCE TYPE STRING,
CORRESPNCINTERNALREFERENCE TYPE STRING,
SUPPLIERRESPSALESPERSONNAME TYPE STRING,
SUPPLIERPHONENUMBER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
ISENDOFPURPOSEBLOCKED TYPE STRING,
PURGCONTRACTISINPREPARATION TYPE STRING,
PURCHASINGPROCESSINGSTATUS TYPE STRING,
CNTRLPURCONTROVRLDISTRSTSTXT TYPE STRING,
CNTRLPURCONTRFLXBLDISTRISALLWD TYPE STRING,
PURGDOCCHANGEREQUESTSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACNTRLPCTRVH_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_ACNTRLPCTRVH_STR-MANDT sy-vline 
WA_ACNTRLPCTRVH_STR-CENTRALPURCHASECONTRACT sy-vline 
WA_ACNTRLPCTRVH_STR-PURCHASINGDOCUMENTVERSION sy-vline 
WA_ACNTRLPCTRVH_STR-ACTIVEPURCHASINGDOCUMENT sy-vline 
WA_ACNTRLPCTRVH_STR-PURCHASECONTRACTTYPE sy-vline 
WA_ACNTRLPCTRVH_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_ACNTRLPCTRVH_STR-SUPPLIER sy-vline 
WA_ACNTRLPCTRVH_STR-COMPANYCODE sy-vline 
WA_ACNTRLPCTRVH_STR-PURCHASINGORGANIZATION sy-vline 
WA_ACNTRLPCTRVH_STR-PURCHASINGGROUP sy-vline 
WA_ACNTRLPCTRVH_STR-VALIDITYSTARTDATE sy-vline 
WA_ACNTRLPCTRVH_STR-VALIDITYENDDATE sy-vline 
WA_ACNTRLPCTRVH_STR-DOCUMENTCURRENCY sy-vline 
WA_ACNTRLPCTRVH_STR-CHANGEREQUESTNOTE sy-vline 
WA_ACNTRLPCTRVH_STR-CREATEDBYUSER sy-vline 
WA_ACNTRLPCTRVH_STR-CREATEDBYUSERDESCRIPTION sy-vline 
WA_ACNTRLPCTRVH_STR-CREATIONDATE sy-vline 
WA_ACNTRLPCTRVH_STR-CREATIONTIME sy-vline 
WA_ACNTRLPCTRVH_STR-PURCHASINGDOCVERSIONREASONCODE sy-vline 
WA_ACNTRLPCTRVH_STR-PURCHASINGDOCVERSIONSTATUS sy-vline 
WA_ACNTRLPCTRVH_STR-CURRENCY sy-vline 
WA_ACNTRLPCTRVH_STR-INCOTERMSCLASSIFICATION sy-vline 
WA_ACNTRLPCTRVH_STR-INCOTERMSTRANSFERLOCATION sy-vline 
WA_ACNTRLPCTRVH_STR-INCOTERMSVERSION sy-vline 
WA_ACNTRLPCTRVH_STR-INCOTERMSLOCATION1 sy-vline 
WA_ACNTRLPCTRVH_STR-INCOTERMSLOCATION2 sy-vline 
WA_ACNTRLPCTRVH_STR-PURCHASINGDOCUMENTNAME sy-vline 
WA_ACNTRLPCTRVH_STR-PAYMENTTERMS sy-vline 
WA_ACNTRLPCTRVH_STR-CASHDISCOUNT1DAYS sy-vline 
WA_ACNTRLPCTRVH_STR-CASHDISCOUNT2DAYS sy-vline 
WA_ACNTRLPCTRVH_STR-NETPAYMENTDAYS sy-vline 
WA_ACNTRLPCTRVH_STR-CASHDISCOUNT1PERCENT sy-vline 
WA_ACNTRLPCTRVH_STR-CASHDISCOUNT2PERCENT sy-vline 
WA_ACNTRLPCTRVH_STR-PURCHASECONTRACTTARGETAMOUNT sy-vline 
WA_ACNTRLPCTRVH_STR-RELEASECODE sy-vline 
WA_ACNTRLPCTRVH_STR-PURCHASINGDOCUMENTDELETIONCODE sy-vline 
WA_ACNTRLPCTRVH_STR-SUPPLYINGSUPPLIER sy-vline 
WA_ACNTRLPCTRVH_STR-EXCHANGERATEISFIXED sy-vline 
WA_ACNTRLPCTRVH_STR-QUOTATIONSUBMISSIONDATE sy-vline 
WA_ACNTRLPCTRVH_STR-SUPPLIERQUOTATION sy-vline 
WA_ACNTRLPCTRVH_STR-CORRESPNCEXTERNALREFERENCE sy-vline 
WA_ACNTRLPCTRVH_STR-CORRESPNCINTERNALREFERENCE sy-vline 
WA_ACNTRLPCTRVH_STR-SUPPLIERRESPSALESPERSONNAME sy-vline 
WA_ACNTRLPCTRVH_STR-SUPPLIERPHONENUMBER sy-vline 
WA_ACNTRLPCTRVH_STR-LASTCHANGEDATETIME sy-vline 
WA_ACNTRLPCTRVH_STR-ISENDOFPURPOSEBLOCKED sy-vline 
WA_ACNTRLPCTRVH_STR-PURGCONTRACTISINPREPARATION sy-vline 
WA_ACNTRLPCTRVH_STR-PURCHASINGPROCESSINGSTATUS sy-vline 
WA_ACNTRLPCTRVH_STR-CNTRLPURCONTROVRLDISTRSTSTXT sy-vline 
WA_ACNTRLPCTRVH_STR-CNTRLPURCONTRFLXBLDISTRISALLWD sy-vline 
WA_ACNTRLPCTRVH_STR-PURGDOCCHANGEREQUESTSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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