ABAP Select data from SAP table CTHDPTYDOCMNTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CTHDPTYDOCMNTR
*  INTO TABLE @DATA(IT_CTHDPTYDOCMNTR2).
*--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_CTHDPTYDOCMNTR INDEX 1 INTO DATA(WA_CTHDPTYDOCMNTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CTHDPTYDOCMNTR>-MANDT = 1.
<CTHDPTYDOCMNTR>-PURCHASINGDOCUMENT = 1.
<CTHDPTYDOCMNTR>-PURCHASINGDOCUMENTITEM = 1.
<CTHDPTYDOCMNTR>-FORMATTEDPURCHASINGDOCITEM = 1.
<CTHDPTYDOCMNTR>-PURCHASINGDOCUMENTITEMTEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CTHDPTYDOCMNTR-ASSEMBLY, sy-vline,
  WA_CTHDPTYDOCMNTR-ASSEMBLYNAME, sy-vline,
  WA_CTHDPTYDOCMNTR-PLANT, sy-vline,
  WA_CTHDPTYDOCMNTR-PLANTNAME, sy-vline,
  WA_CTHDPTYDOCMNTR-SUBCONTRACTOR, sy-vline,
  WA_CTHDPTYDOCMNTR-SUBCONTRACTORNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CTHDPTYDOCMNTR 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_CTHDPTYDOCMNTR 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_CTHDPTYDOCMNTR INTO WA_CTHDPTYDOCMNTR.


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

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

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

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

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

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

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

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

*Conversion exit MATN1, internal->external for field CROSSPLANTCONFIGURABLEPRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CTHDPTYDOCMNTR-CROSSPLANTCONFIGURABLEPRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CTHDPTYDOCMNTR-CROSSPLANTCONFIGURABLEPRODUCT.
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_CTHDPTYDOCMNTR_STR, 
MANDT TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
FORMATTEDPURCHASINGDOCITEM TYPE STRING,
PURCHASINGDOCUMENTITEMTEXT TYPE STRING,
ASSEMBLY TYPE STRING,
ASSEMBLYNAME TYPE STRING,
PLANT TYPE STRING,
PLANTNAME TYPE STRING,
SUBCONTRACTOR TYPE STRING,
SUBCONTRACTORNAME TYPE STRING,
MATERIALGROUP TYPE STRING,
MATERIALGROUPNAME TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
ACCTASSIGNMENTCATEGORYNAME TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODENAME TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGORGANIZATIONNAME TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGGROUPNAME TYPE STRING,
STORAGELOCATION TYPE STRING,
STORAGELOCATIONNAME TYPE STRING,
PURCHASINGCATEGORY TYPE STRING,
PURGCATNAME TYPE STRING,
REQUIREMENTTRACKING TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
PURCHASINGDOCUMENTCATEGORYNAME TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
PURCHASINGDOCUMENTTYPENAME TYPE STRING,
STATUS TYPE STRING,
STATUSDESCRIPTION TYPE STRING,
PURCHASEORDERTYPE TYPE STRING,
PURCHASEORDERTYPENAME TYPE STRING,
DELIVERYSTATUS TYPE STRING,
DELIVERYSTATUSDESCRIPTION TYPE STRING,
SHIPPINGSTATUS TYPE STRING,
SHIPPINGSTATUSTEXT TYPE STRING,
MATERIAL TYPE STRING,
MATERIALNAME TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
ORDERQUANTITY TYPE STRING,
NETAMOUNT TYPE STRING,
TARGETAMOUNT TYPE STRING,
RELEASEDQUANTITY TYPE STRING,
RELEASEDAMOUNT TYPE STRING,
GOODSRECEIPTQTY TYPE STRING,
GOODSRECEIPTAMOUNTINCOCODECRCY TYPE STRING,
STILLTOBEDELIVEREDQUANTITY TYPE STRING,
STILLTOBEDELIVEREDVALUE TYPE STRING,
SCHEDULELINEDELIVERYDATE TYPE STRING,
OPENPURCHASEORDERQUANTITY TYPE STRING,
REQUIREMENTDATE TYPE STRING,
REQUIREDQUANTITY TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
BASEUNIT TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
SUPPLIERISSUBCONTRACTOR TYPE STRING,
DELIVERYDATECRITICALITY TYPE STRING,
DIFFERENCEINDAYS TYPE STRING,
MRPAREA TYPE STRING,
MRPAREATEXT TYPE STRING,
STOCKSEGMENT TYPE STRING,
PRODUCTSEASONYEAR TYPE STRING,
PRODUCTSEASON TYPE STRING,
PRODUCTCOLLECTION TYPE STRING,
PRODUCTTHEME TYPE STRING,
CROSSPLANTCONFIGURABLEPRODUCT TYPE STRING,
PRODUCTCHARACTERISTIC1 TYPE STRING,
PRODUCTCHARACTERISTIC2 TYPE STRING,
PRODUCTCHARACTERISTIC3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CTHDPTYDOCMNTR_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_CTHDPTYDOCMNTR_STR-MANDT sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURCHASINGDOCUMENT sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_CTHDPTYDOCMNTR_STR-FORMATTEDPURCHASINGDOCITEM sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURCHASINGDOCUMENTITEMTEXT sy-vline 
WA_CTHDPTYDOCMNTR_STR-ASSEMBLY sy-vline 
WA_CTHDPTYDOCMNTR_STR-ASSEMBLYNAME sy-vline 
WA_CTHDPTYDOCMNTR_STR-PLANT sy-vline 
WA_CTHDPTYDOCMNTR_STR-PLANTNAME sy-vline 
WA_CTHDPTYDOCMNTR_STR-SUBCONTRACTOR sy-vline 
WA_CTHDPTYDOCMNTR_STR-SUBCONTRACTORNAME sy-vline 
WA_CTHDPTYDOCMNTR_STR-MATERIALGROUP sy-vline 
WA_CTHDPTYDOCMNTR_STR-MATERIALGROUPNAME sy-vline 
WA_CTHDPTYDOCMNTR_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_CTHDPTYDOCMNTR_STR-ACCTASSIGNMENTCATEGORYNAME sy-vline 
WA_CTHDPTYDOCMNTR_STR-COMPANYCODE sy-vline 
WA_CTHDPTYDOCMNTR_STR-COMPANYCODENAME sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURCHASINGORGANIZATION sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURCHASINGORGANIZATIONNAME sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURCHASINGGROUP sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURCHASINGGROUPNAME sy-vline 
WA_CTHDPTYDOCMNTR_STR-STORAGELOCATION sy-vline 
WA_CTHDPTYDOCMNTR_STR-STORAGELOCATIONNAME sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURCHASINGCATEGORY sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURGCATNAME sy-vline 
WA_CTHDPTYDOCMNTR_STR-REQUIREMENTTRACKING sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURCHASINGDOCUMENTCATEGORYNAME sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURCHASINGDOCUMENTTYPENAME sy-vline 
WA_CTHDPTYDOCMNTR_STR-STATUS sy-vline 
WA_CTHDPTYDOCMNTR_STR-STATUSDESCRIPTION sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURCHASEORDERTYPE sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURCHASEORDERTYPENAME sy-vline 
WA_CTHDPTYDOCMNTR_STR-DELIVERYSTATUS sy-vline 
WA_CTHDPTYDOCMNTR_STR-DELIVERYSTATUSDESCRIPTION sy-vline 
WA_CTHDPTYDOCMNTR_STR-SHIPPINGSTATUS sy-vline 
WA_CTHDPTYDOCMNTR_STR-SHIPPINGSTATUSTEXT sy-vline 
WA_CTHDPTYDOCMNTR_STR-MATERIAL sy-vline 
WA_CTHDPTYDOCMNTR_STR-MATERIALNAME sy-vline 
WA_CTHDPTYDOCMNTR_STR-SUPPLIER sy-vline 
WA_CTHDPTYDOCMNTR_STR-SUPPLIERNAME sy-vline 
WA_CTHDPTYDOCMNTR_STR-VALIDITYSTARTDATE sy-vline 
WA_CTHDPTYDOCMNTR_STR-VALIDITYENDDATE sy-vline 
WA_CTHDPTYDOCMNTR_STR-ORDERQUANTITY sy-vline 
WA_CTHDPTYDOCMNTR_STR-NETAMOUNT sy-vline 
WA_CTHDPTYDOCMNTR_STR-TARGETAMOUNT sy-vline 
WA_CTHDPTYDOCMNTR_STR-RELEASEDQUANTITY sy-vline 
WA_CTHDPTYDOCMNTR_STR-RELEASEDAMOUNT sy-vline 
WA_CTHDPTYDOCMNTR_STR-GOODSRECEIPTQTY sy-vline 
WA_CTHDPTYDOCMNTR_STR-GOODSRECEIPTAMOUNTINCOCODECRCY sy-vline 
WA_CTHDPTYDOCMNTR_STR-STILLTOBEDELIVEREDQUANTITY sy-vline 
WA_CTHDPTYDOCMNTR_STR-STILLTOBEDELIVEREDVALUE sy-vline 
WA_CTHDPTYDOCMNTR_STR-SCHEDULELINEDELIVERYDATE sy-vline 
WA_CTHDPTYDOCMNTR_STR-OPENPURCHASEORDERQUANTITY sy-vline 
WA_CTHDPTYDOCMNTR_STR-REQUIREMENTDATE sy-vline 
WA_CTHDPTYDOCMNTR_STR-REQUIREDQUANTITY sy-vline 
WA_CTHDPTYDOCMNTR_STR-DOCUMENTCURRENCY sy-vline 
WA_CTHDPTYDOCMNTR_STR-BASEUNIT sy-vline 
WA_CTHDPTYDOCMNTR_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_CTHDPTYDOCMNTR_STR-SUPPLIERISSUBCONTRACTOR sy-vline 
WA_CTHDPTYDOCMNTR_STR-DELIVERYDATECRITICALITY sy-vline 
WA_CTHDPTYDOCMNTR_STR-DIFFERENCEINDAYS sy-vline 
WA_CTHDPTYDOCMNTR_STR-MRPAREA sy-vline 
WA_CTHDPTYDOCMNTR_STR-MRPAREATEXT sy-vline 
WA_CTHDPTYDOCMNTR_STR-STOCKSEGMENT sy-vline 
WA_CTHDPTYDOCMNTR_STR-PRODUCTSEASONYEAR sy-vline 
WA_CTHDPTYDOCMNTR_STR-PRODUCTSEASON sy-vline 
WA_CTHDPTYDOCMNTR_STR-PRODUCTCOLLECTION sy-vline 
WA_CTHDPTYDOCMNTR_STR-PRODUCTTHEME sy-vline 
WA_CTHDPTYDOCMNTR_STR-CROSSPLANTCONFIGURABLEPRODUCT sy-vline 
WA_CTHDPTYDOCMNTR_STR-PRODUCTCHARACTERISTIC1 sy-vline 
WA_CTHDPTYDOCMNTR_STR-PRODUCTCHARACTERISTIC2 sy-vline 
WA_CTHDPTYDOCMNTR_STR-PRODUCTCHARACTERISTIC3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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