ABAP Select data from SAP table COVERDUESITNTRGR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM COVERDUESITNTRGR
*  INTO TABLE @DATA(IT_COVERDUESITNTRGR2).
*--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_COVERDUESITNTRGR INDEX 1 INTO DATA(WA_COVERDUESITNTRGR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<COVERDUESITNTRGR>-MANDT = 1.
<COVERDUESITNTRGR>-MATLOVERDUESITSITNTRGGRID = 1.
<COVERDUESITNTRGR>-MATLOVERDUESITSITNANCHRID = 1.
<COVERDUESITNTRGR>-PURCHASEORDER = 1.
<COVERDUESITNTRGR>-PURCHASEORDERITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_COVERDUESITNTRGR-GOODSISSUEMATERIALDOCUMENT, sy-vline,
  WA_COVERDUESITNTRGR-GOODSISSUEMATERIALDOCUMENTITEM, sy-vline,
  WA_COVERDUESITNTRGR-GOODSISSUEMATERIALDOCUMENTYEAR, sy-vline,
  WA_COVERDUESITNTRGR-GOODSRECEIPTMATERIALDOCUMENT, sy-vline,
  WA_COVERDUESITNTRGR-GOODSRECEIPTMATERIALDOCITEM, sy-vline,
  WA_COVERDUESITNTRGR-GOODSRECEIPTMATERIALDOCYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_COVERDUESITNTRGR 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_COVERDUESITNTRGR 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_COVERDUESITNTRGR INTO WA_COVERDUESITNTRGR.


*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_COVERDUESITNTRGR-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVERDUESITNTRGR-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_COVERDUESITNTRGR-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COVERDUESITNTRGR-UNITOFMEASURE.
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_COVERDUESITNTRGR_STR, 
MANDT TYPE STRING,
MATLOVERDUESITSITNTRGGRID TYPE STRING,
MATLOVERDUESITSITNANCHRID TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
GOODSISSUEMATERIALDOCUMENT TYPE STRING,
GOODSISSUEMATERIALDOCUMENTITEM TYPE STRING,
GOODSISSUEMATERIALDOCUMENTYEAR TYPE STRING,
GOODSRECEIPTMATERIALDOCUMENT TYPE STRING,
GOODSRECEIPTMATERIALDOCITEM TYPE STRING,
GOODSRECEIPTMATERIALDOCYEAR TYPE STRING,
PURCHASEORDERITEMQUANTITY TYPE STRING,
BASEUNIT TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATEDBYUSERDESCRIPTION TYPE STRING,
CREATIONDATE TYPE STRING,
ISSUINGCOMPANYCODE TYPE STRING,
ISCOMPLETELYDELIVERED TYPE STRING,
ISSUINGPLANT TYPE STRING,
ISSUINGPLANTNAME TYPE STRING,
GOODSISSUEQUANTITY TYPE STRING,
MATERIAL TYPE STRING,
MATERIALNAME TYPE STRING,
GOODSISSUEPOSTINGDATE TYPE STRING,
GOODSRECEIPTPOSTINGDATE TYPE STRING,
RECEIVINGCOMPANYCODE TYPE STRING,
RECEIVINGPLANT TYPE STRING,
RECEIVINGPLANTNAME TYPE STRING,
RECEIVINGPLANTMRPRESPONSIBLE TYPE STRING,
GOODSRECEIPTQUANTITY TYPE STRING,
RECEIVINGSTORAGELOCATION TYPE STRING,
RECEIVINGBATCH TYPE STRING,
INVENTORYSPECIALSTOCKTYPE TYPE STRING,
DIFFERENCEOFGRANDGIDATE TYPE STRING,
DURATIONBETWEENPOANDGI TYPE STRING,
DAYSINTRANSIT TYPE STRING,
UNITOFMEASURE TYPE STRING,
STOCKINTRANSITPROCESSTYPE TYPE STRING,
STOCKINTRANSITPROCESSTYPENAME TYPE STRING,
GOODSRECEIPTISCANCELED TYPE STRING,
GOODSISSUEISCANCELED TYPE STRING,
PREDICTEDDELIVDTE TYPE STRING,
PREDICTEDDELDAYSRLTNPOPOSTDATE TYPE STRING,
PLANNEDDELDAYSRLTNPOPOSTDATE TYPE STRING,
REALOREXPECTEDMATERIALPOSTGDTE TYPE STRING,
SHIPPINGDAYSSINCEPOPOSTINGDATE TYPE STRING,
SCHEDULELINEDELIVERYDATE TYPE STRING,
TOTALGOODSISSUEDFORPOQTY TYPE STRING,
TOTALGOODSRECEIPTFORPOQTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_COVERDUESITNTRGR_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_COVERDUESITNTRGR_STR-MANDT sy-vline 
WA_COVERDUESITNTRGR_STR-MATLOVERDUESITSITNTRGGRID sy-vline 
WA_COVERDUESITNTRGR_STR-MATLOVERDUESITSITNANCHRID sy-vline 
WA_COVERDUESITNTRGR_STR-PURCHASEORDER sy-vline 
WA_COVERDUESITNTRGR_STR-PURCHASEORDERITEM sy-vline 
WA_COVERDUESITNTRGR_STR-GOODSISSUEMATERIALDOCUMENT sy-vline 
WA_COVERDUESITNTRGR_STR-GOODSISSUEMATERIALDOCUMENTITEM sy-vline 
WA_COVERDUESITNTRGR_STR-GOODSISSUEMATERIALDOCUMENTYEAR sy-vline 
WA_COVERDUESITNTRGR_STR-GOODSRECEIPTMATERIALDOCUMENT sy-vline 
WA_COVERDUESITNTRGR_STR-GOODSRECEIPTMATERIALDOCITEM sy-vline 
WA_COVERDUESITNTRGR_STR-GOODSRECEIPTMATERIALDOCYEAR sy-vline 
WA_COVERDUESITNTRGR_STR-PURCHASEORDERITEMQUANTITY sy-vline 
WA_COVERDUESITNTRGR_STR-BASEUNIT sy-vline 
WA_COVERDUESITNTRGR_STR-CREATEDBYUSER sy-vline 
WA_COVERDUESITNTRGR_STR-CREATEDBYUSERDESCRIPTION sy-vline 
WA_COVERDUESITNTRGR_STR-CREATIONDATE sy-vline 
WA_COVERDUESITNTRGR_STR-ISSUINGCOMPANYCODE sy-vline 
WA_COVERDUESITNTRGR_STR-ISCOMPLETELYDELIVERED sy-vline 
WA_COVERDUESITNTRGR_STR-ISSUINGPLANT sy-vline 
WA_COVERDUESITNTRGR_STR-ISSUINGPLANTNAME sy-vline 
WA_COVERDUESITNTRGR_STR-GOODSISSUEQUANTITY sy-vline 
WA_COVERDUESITNTRGR_STR-MATERIAL sy-vline 
WA_COVERDUESITNTRGR_STR-MATERIALNAME sy-vline 
WA_COVERDUESITNTRGR_STR-GOODSISSUEPOSTINGDATE sy-vline 
WA_COVERDUESITNTRGR_STR-GOODSRECEIPTPOSTINGDATE sy-vline 
WA_COVERDUESITNTRGR_STR-RECEIVINGCOMPANYCODE sy-vline 
WA_COVERDUESITNTRGR_STR-RECEIVINGPLANT sy-vline 
WA_COVERDUESITNTRGR_STR-RECEIVINGPLANTNAME sy-vline 
WA_COVERDUESITNTRGR_STR-RECEIVINGPLANTMRPRESPONSIBLE sy-vline 
WA_COVERDUESITNTRGR_STR-GOODSRECEIPTQUANTITY sy-vline 
WA_COVERDUESITNTRGR_STR-RECEIVINGSTORAGELOCATION sy-vline 
WA_COVERDUESITNTRGR_STR-RECEIVINGBATCH sy-vline 
WA_COVERDUESITNTRGR_STR-INVENTORYSPECIALSTOCKTYPE sy-vline 
WA_COVERDUESITNTRGR_STR-DIFFERENCEOFGRANDGIDATE sy-vline 
WA_COVERDUESITNTRGR_STR-DURATIONBETWEENPOANDGI sy-vline 
WA_COVERDUESITNTRGR_STR-DAYSINTRANSIT sy-vline 
WA_COVERDUESITNTRGR_STR-UNITOFMEASURE sy-vline 
WA_COVERDUESITNTRGR_STR-STOCKINTRANSITPROCESSTYPE sy-vline 
WA_COVERDUESITNTRGR_STR-STOCKINTRANSITPROCESSTYPENAME sy-vline 
WA_COVERDUESITNTRGR_STR-GOODSRECEIPTISCANCELED sy-vline 
WA_COVERDUESITNTRGR_STR-GOODSISSUEISCANCELED sy-vline 
WA_COVERDUESITNTRGR_STR-PREDICTEDDELIVDTE sy-vline 
WA_COVERDUESITNTRGR_STR-PREDICTEDDELDAYSRLTNPOPOSTDATE sy-vline 
WA_COVERDUESITNTRGR_STR-PLANNEDDELDAYSRLTNPOPOSTDATE sy-vline 
WA_COVERDUESITNTRGR_STR-REALOREXPECTEDMATERIALPOSTGDTE sy-vline 
WA_COVERDUESITNTRGR_STR-SHIPPINGDAYSSINCEPOPOSTINGDATE sy-vline 
WA_COVERDUESITNTRGR_STR-SCHEDULELINEDELIVERYDATE sy-vline 
WA_COVERDUESITNTRGR_STR-TOTALGOODSISSUEDFORPOQTY sy-vline 
WA_COVERDUESITNTRGR_STR-TOTALGOODSRECEIPTFORPOQTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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