ABAP Select data from SAP table PDGRKONVDPREPDAT into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PDGRKONVDPREPDAT 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 PDGRKONVDPREPDAT. 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 PDGRKONVDPREPDAT 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_PDGRKONVDPREPDAT TYPE STANDARD TABLE OF PDGRKONVDPREPDAT,
      WA_PDGRKONVDPREPDAT TYPE PDGRKONVDPREPDAT,
      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: <PDGRKONVDPREPDAT> TYPE PDGRKONVDPREPDAT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PDGRKONVDPREPDAT
*  INTO TABLE @DATA(IT_PDGRKONVDPREPDAT2).
*--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_PDGRKONVDPREPDAT INDEX 1 INTO DATA(WA_PDGRKONVDPREPDAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PDGRKONVDPREPDAT>-MANDT = 1.
<PDGRKONVDPREPDAT>-PRICINGKEY = 1.
<PDGRKONVDPREPDAT>-PRICINGDOCUMENTITEM = 1.
<PDGRKONVDPREPDAT>-CONDITIONTYPE = 1.
<PDGRKONVDPREPDAT>-SUBCONDITIONTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PDGRKONVDPREPDAT-VERSSTOCKRECORDUUID, sy-vline,
  WA_PDGRKONVDPREPDAT-MTMDATASOURCETYPE, sy-vline,
  WA_PDGRKONVDPREPDAT-SOURCETRANSACTIONEVENTDATETIME, sy-vline,
  WA_PDGRKONVDPREPDAT-SOURCETRANSACEVENTENDDATETIME, sy-vline,
  WA_PDGRKONVDPREPDAT-MATERIALBASEUNIT, sy-vline,
  WA_PDGRKONVDPREPDAT-COMMODITYUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PDGRKONVDPREPDAT 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_PDGRKONVDPREPDAT 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_PDGRKONVDPREPDAT INTO WA_PDGRKONVDPREPDAT.


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

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

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

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

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

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

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

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PDGRKONVDPREPDAT-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PDGRKONVDPREPDAT-MATERIAL.
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_PDGRKONVDPREPDAT_STR, 
MANDT TYPE STRING,
PRICINGKEY TYPE STRING,
PRICINGDOCUMENTITEM TYPE STRING,
CONDITIONTYPE TYPE STRING,
SUBCONDITIONTYPE TYPE STRING,
VERSSTOCKRECORDUUID TYPE STRING,
MTMDATASOURCETYPE TYPE STRING,
SOURCETRANSACTIONEVENTDATETIME TYPE STRING,
SOURCETRANSACEVENTENDDATETIME TYPE STRING,
MATERIALBASEUNIT TYPE STRING,
COMMODITYUNIT TYPE STRING,
CMMDTYPRICEEXPSRMASSUNIT TYPE STRING,
CMMDTYPRICEEXPSRVOLUMEUNIT TYPE STRING,
COMMODITYQUANTITYINBASEUNIT TYPE STRING,
COMMODITYQUANTITY TYPE STRING,
CMMDTYPRICEEXPSRQTYINMASSUNIT TYPE STRING,
CMMDTYPRICEEXPSRQTYINVOLUNIT TYPE STRING,
COMMODITYEXPOSUREQUANTITY TYPE STRING,
COMMODITYEXPOSUREUNIT TYPE STRING,
QUANTITYSIGN TYPE STRING,
SOURCEDOCUMENT TYPE STRING,
SOURCEDOCUMENTITEM TYPE STRING,
SOURCEDOCUMENTBUSOBJTYPE TYPE STRING,
SOURCEDOCUMENTYEAR TYPE STRING,
MTMCONDITIONGROUPCATEGORY TYPE STRING,
GOODSMOVEMENTTYPE TYPE STRING,
LOADDATACAPTUREOBJECTID TYPE STRING,
LOADDATACAPTUREEVENTTYPE TYPE STRING,
QUANTITYREPOSITORYUUID TYPE STRING,
QUANTITYREPOSITORYVERSION TYPE STRING,
NETPRICEEXPSRQTYINBASEUNIT TYPE STRING,
NETPRICEEXPSRQUANTITY TYPE STRING,
NETPRICEEXPSRQTYINMASSUNIT TYPE STRING,
NETPRICEEXPSRQTYINVOLUMEUNIT TYPE STRING,
NETEXPOSUREQUANTITY TYPE STRING,
DISCPREMQTYSCHEDULEUNIQUEID TYPE STRING,
DISCPREMQTYSCHEDULEVERSION TYPE STRING,
RECORDISLOGICALLYDELETED TYPE STRING,
NETDRYERRORCODE TYPE STRING,
DISCPREMQTYSCHEDULETYPE TYPE STRING,
DAILYGRAINREPORTDISPLAYUNIT TYPE STRING,
DAILYGRAINREPORTTYPE TYPE STRING,
DAILYGRAINREPORTDATE TYPE STRING,
PLANT TYPE STRING,
MATERIAL TYPE STRING,
STORAGELOCATION TYPE STRING,
COMMODITY TYPE STRING,
COMPANYCODE TYPE STRING,
ENDOFDAYBUSINESSENTITYKEY TYPE STRING,
QUOTATIONKEYTYPE TYPE STRING,
MTMCALCULATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PDGRKONVDPREPDAT_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_PDGRKONVDPREPDAT_STR-MANDT sy-vline 
WA_PDGRKONVDPREPDAT_STR-PRICINGKEY sy-vline 
WA_PDGRKONVDPREPDAT_STR-PRICINGDOCUMENTITEM sy-vline 
WA_PDGRKONVDPREPDAT_STR-CONDITIONTYPE sy-vline 
WA_PDGRKONVDPREPDAT_STR-SUBCONDITIONTYPE sy-vline 
WA_PDGRKONVDPREPDAT_STR-VERSSTOCKRECORDUUID sy-vline 
WA_PDGRKONVDPREPDAT_STR-MTMDATASOURCETYPE sy-vline 
WA_PDGRKONVDPREPDAT_STR-SOURCETRANSACTIONEVENTDATETIME sy-vline 
WA_PDGRKONVDPREPDAT_STR-SOURCETRANSACEVENTENDDATETIME sy-vline 
WA_PDGRKONVDPREPDAT_STR-MATERIALBASEUNIT sy-vline 
WA_PDGRKONVDPREPDAT_STR-COMMODITYUNIT sy-vline 
WA_PDGRKONVDPREPDAT_STR-CMMDTYPRICEEXPSRMASSUNIT sy-vline 
WA_PDGRKONVDPREPDAT_STR-CMMDTYPRICEEXPSRVOLUMEUNIT sy-vline 
WA_PDGRKONVDPREPDAT_STR-COMMODITYQUANTITYINBASEUNIT sy-vline 
WA_PDGRKONVDPREPDAT_STR-COMMODITYQUANTITY sy-vline 
WA_PDGRKONVDPREPDAT_STR-CMMDTYPRICEEXPSRQTYINMASSUNIT sy-vline 
WA_PDGRKONVDPREPDAT_STR-CMMDTYPRICEEXPSRQTYINVOLUNIT sy-vline 
WA_PDGRKONVDPREPDAT_STR-COMMODITYEXPOSUREQUANTITY sy-vline 
WA_PDGRKONVDPREPDAT_STR-COMMODITYEXPOSUREUNIT sy-vline 
WA_PDGRKONVDPREPDAT_STR-QUANTITYSIGN sy-vline 
WA_PDGRKONVDPREPDAT_STR-SOURCEDOCUMENT sy-vline 
WA_PDGRKONVDPREPDAT_STR-SOURCEDOCUMENTITEM sy-vline 
WA_PDGRKONVDPREPDAT_STR-SOURCEDOCUMENTBUSOBJTYPE sy-vline 
WA_PDGRKONVDPREPDAT_STR-SOURCEDOCUMENTYEAR sy-vline 
WA_PDGRKONVDPREPDAT_STR-MTMCONDITIONGROUPCATEGORY sy-vline 
WA_PDGRKONVDPREPDAT_STR-GOODSMOVEMENTTYPE sy-vline 
WA_PDGRKONVDPREPDAT_STR-LOADDATACAPTUREOBJECTID sy-vline 
WA_PDGRKONVDPREPDAT_STR-LOADDATACAPTUREEVENTTYPE sy-vline 
WA_PDGRKONVDPREPDAT_STR-QUANTITYREPOSITORYUUID sy-vline 
WA_PDGRKONVDPREPDAT_STR-QUANTITYREPOSITORYVERSION sy-vline 
WA_PDGRKONVDPREPDAT_STR-NETPRICEEXPSRQTYINBASEUNIT sy-vline 
WA_PDGRKONVDPREPDAT_STR-NETPRICEEXPSRQUANTITY sy-vline 
WA_PDGRKONVDPREPDAT_STR-NETPRICEEXPSRQTYINMASSUNIT sy-vline 
WA_PDGRKONVDPREPDAT_STR-NETPRICEEXPSRQTYINVOLUMEUNIT sy-vline 
WA_PDGRKONVDPREPDAT_STR-NETEXPOSUREQUANTITY sy-vline 
WA_PDGRKONVDPREPDAT_STR-DISCPREMQTYSCHEDULEUNIQUEID sy-vline 
WA_PDGRKONVDPREPDAT_STR-DISCPREMQTYSCHEDULEVERSION sy-vline 
WA_PDGRKONVDPREPDAT_STR-RECORDISLOGICALLYDELETED sy-vline 
WA_PDGRKONVDPREPDAT_STR-NETDRYERRORCODE sy-vline 
WA_PDGRKONVDPREPDAT_STR-DISCPREMQTYSCHEDULETYPE sy-vline 
WA_PDGRKONVDPREPDAT_STR-DAILYGRAINREPORTDISPLAYUNIT sy-vline 
WA_PDGRKONVDPREPDAT_STR-DAILYGRAINREPORTTYPE sy-vline 
WA_PDGRKONVDPREPDAT_STR-DAILYGRAINREPORTDATE sy-vline 
WA_PDGRKONVDPREPDAT_STR-PLANT sy-vline 
WA_PDGRKONVDPREPDAT_STR-MATERIAL sy-vline 
WA_PDGRKONVDPREPDAT_STR-STORAGELOCATION sy-vline 
WA_PDGRKONVDPREPDAT_STR-COMMODITY sy-vline 
WA_PDGRKONVDPREPDAT_STR-COMPANYCODE sy-vline 
WA_PDGRKONVDPREPDAT_STR-ENDOFDAYBUSINESSENTITYKEY sy-vline 
WA_PDGRKONVDPREPDAT_STR-QUOTATIONKEYTYPE sy-vline 
WA_PDGRKONVDPREPDAT_STR-MTMCALCULATIONGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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