ABAP Select data from SAP table PRECONPRCERRFLD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRECONPRCERRFLD
*  INTO TABLE @DATA(IT_PRECONPRCERRFLD2).
*--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_PRECONPRCERRFLD INDEX 1 INTO DATA(WA_PRECONPRCERRFLD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRECONPRCERRFLD>-MANDT = 1.
<PRECONPRCERRFLD>-CONTRACTNUM = 1.
<PRECONPRCERRFLD>-TRADINGCONTRACTITEM = 1.
<PRECONPRCERRFLD>-CONTRACTSUBITEM = 1.
<PRECONPRCERRFLD>-APPLICATIONDOCUMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRECONPRCERRFLD-APPLICATIONDOCUMENTITEM, sy-vline,
  WA_PRECONPRCERRFLD-SIDE, sy-vline,
  WA_PRECONPRCERRFLD-APPLICATIONSUBITEM, sy-vline,
  WA_PRECONPRCERRFLD-TRDGCONTRPRCGASPECTSRCELOTID, sy-vline,
  WA_PRECONPRCERRFLD-CONDITIONTERMRATEFIXATION, sy-vline,
  WA_PRECONPRCERRFLD-RECNCLNRECORDTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRECONPRCERRFLD 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_PRECONPRCERRFLD 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_PRECONPRCERRFLD INTO WA_PRECONPRCERRFLD.


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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field RECNCLNREPORTINGRATEQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PRECONPRCERRFLD-RECNCLNREPORTINGRATEQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRECONPRCERRFLD-RECNCLNREPORTINGRATEQTYUNIT.
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_PRECONPRCERRFLD_STR, 
MANDT TYPE STRING,
CONTRACTNUM TYPE STRING,
TRADINGCONTRACTITEM TYPE STRING,
CONTRACTSUBITEM TYPE STRING,
APPLICATIONDOCUMENT TYPE STRING,
APPLICATIONDOCUMENTITEM TYPE STRING,
SIDE TYPE STRING,
APPLICATIONSUBITEM TYPE STRING,
TRDGCONTRPRCGASPECTSRCELOTID TYPE STRING,
CONDITIONTERMRATEFIXATION TYPE STRING,
RECNCLNRECORDTYPE TYPE STRING,
PRICINGKEY TYPE STRING,
VERSION TYPE STRING,
PRICINGDOCUMENTITEM TYPE STRING,
CONDITIONTYPE TYPE STRING,
SUBCONDITIONTYPE TYPE STRING,
MTMDATASOURCETYPE TYPE STRING,
TRADINGCONTRACTTYPE TYPE STRING,
APPLICATIONDOCTYPE TYPE STRING,
APPLSTATUSCODE TYPE STRING,
STLSTATUSCODE TYPE STRING,
CONTRACTMATERIAL TYPE STRING,
CONTRACTPLANT TYPE STRING,
COMPANYCODE TYPE STRING,
STORAGELOCATION TYPE STRING,
TRADINGCONTRACTCREATEDBY TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
COMMODITY TYPE STRING,
CUSTOMERNAME TYPE STRING,
SUPPLIERNAME TYPE STRING,
PRICINGDOCUMENT TYPE STRING,
PRICINGSTATUS TYPE STRING,
ACMPRICINGCONDITIONTYPE TYPE STRING,
ACMPRCGCNDNFORMULAPRICE TYPE STRING,
ACMPRCGCNDNFORMULARATECRCY TYPE STRING,
ACMPRCGCNDNFORMULARATEQTY TYPE STRING,
ACMPRCGCNDNFORMULARATEQTYUNIT TYPE STRING,
PRICINGPROCEDURE TYPE STRING,
RECNCLNREPORTINGPRICINGSTATUS TYPE STRING,
TRANSACLDCS TYPE STRING,
TRANSACLMARKETIDENTIFIERCODE TYPE STRING,
RECNCLNTRANSACLPRICE TYPE STRING,
ACMTERMCALCTYPE TYPE STRING,
ACMPRCGCNDNTERMINPUTPRICE TYPE STRING,
RECNCLNTRANSACLRATECRCY TYPE STRING,
RECNCLNTRANSACLRATEQTY TYPE STRING,
RECNCLNTRANSACLRATEQTYUNIT TYPE STRING,
QUOTATIONKEYTYPE TYPE STRING,
RECNCLNTRANSACLMATURITYKEYDATE TYPE STRING,
CMMDTYORDREQDOCEXTERNALID TYPE STRING,
BASISTYPE TYPE STRING,
TRANSACLFIXEDFX TYPE STRING,
RECNCLNTRANSACLDELIVFROMDATE TYPE STRING,
RECNCLNTRANSACLDELIVTODATE TYPE STRING,
RECNCLNREPORTINGPRICE TYPE STRING,
RECNCLNREPORTINGRATECRCY TYPE STRING,
RECNCLNREPORTINGRATEQTY TYPE STRING,
RECNCLNREPORTINGRATEQTYUNIT TYPE STRING,
REPORTINGFIXEDFX TYPE STRING,
RECNCLNRPTGMATURITYKEYDATE TYPE STRING,
RECNCLNRPTGDELIVFROMDATE TYPE STRING,
RECNCLNRPTGDELIVTODATE TYPE STRING,
DISPLAYONLYERROR TYPE STRING,
ERRORFLAGFORPRICE TYPE STRING,
ERRORFLAGFORQTY TYPE STRING,
ERRORFLAGFORFIXEDFX TYPE STRING,
ERRORFLAGFORMATKEYDATE TYPE STRING,
ERRORFLAGFORSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRECONPRCERRFLD_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_PRECONPRCERRFLD_STR-MANDT sy-vline 
WA_PRECONPRCERRFLD_STR-CONTRACTNUM sy-vline 
WA_PRECONPRCERRFLD_STR-TRADINGCONTRACTITEM sy-vline 
WA_PRECONPRCERRFLD_STR-CONTRACTSUBITEM sy-vline 
WA_PRECONPRCERRFLD_STR-APPLICATIONDOCUMENT sy-vline 
WA_PRECONPRCERRFLD_STR-APPLICATIONDOCUMENTITEM sy-vline 
WA_PRECONPRCERRFLD_STR-SIDE sy-vline 
WA_PRECONPRCERRFLD_STR-APPLICATIONSUBITEM sy-vline 
WA_PRECONPRCERRFLD_STR-TRDGCONTRPRCGASPECTSRCELOTID sy-vline 
WA_PRECONPRCERRFLD_STR-CONDITIONTERMRATEFIXATION sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNRECORDTYPE sy-vline 
WA_PRECONPRCERRFLD_STR-PRICINGKEY sy-vline 
WA_PRECONPRCERRFLD_STR-VERSION sy-vline 
WA_PRECONPRCERRFLD_STR-PRICINGDOCUMENTITEM sy-vline 
WA_PRECONPRCERRFLD_STR-CONDITIONTYPE sy-vline 
WA_PRECONPRCERRFLD_STR-SUBCONDITIONTYPE sy-vline 
WA_PRECONPRCERRFLD_STR-MTMDATASOURCETYPE sy-vline 
WA_PRECONPRCERRFLD_STR-TRADINGCONTRACTTYPE sy-vline 
WA_PRECONPRCERRFLD_STR-APPLICATIONDOCTYPE sy-vline 
WA_PRECONPRCERRFLD_STR-APPLSTATUSCODE sy-vline 
WA_PRECONPRCERRFLD_STR-STLSTATUSCODE sy-vline 
WA_PRECONPRCERRFLD_STR-CONTRACTMATERIAL sy-vline 
WA_PRECONPRCERRFLD_STR-CONTRACTPLANT sy-vline 
WA_PRECONPRCERRFLD_STR-COMPANYCODE sy-vline 
WA_PRECONPRCERRFLD_STR-STORAGELOCATION sy-vline 
WA_PRECONPRCERRFLD_STR-TRADINGCONTRACTCREATEDBY sy-vline 
WA_PRECONPRCERRFLD_STR-SALESORGANIZATION sy-vline 
WA_PRECONPRCERRFLD_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_PRECONPRCERRFLD_STR-DIVISION sy-vline 
WA_PRECONPRCERRFLD_STR-PURCHASINGORGANIZATION sy-vline 
WA_PRECONPRCERRFLD_STR-PURCHASINGGROUP sy-vline 
WA_PRECONPRCERRFLD_STR-COMMODITY sy-vline 
WA_PRECONPRCERRFLD_STR-CUSTOMERNAME sy-vline 
WA_PRECONPRCERRFLD_STR-SUPPLIERNAME sy-vline 
WA_PRECONPRCERRFLD_STR-PRICINGDOCUMENT sy-vline 
WA_PRECONPRCERRFLD_STR-PRICINGSTATUS sy-vline 
WA_PRECONPRCERRFLD_STR-ACMPRICINGCONDITIONTYPE sy-vline 
WA_PRECONPRCERRFLD_STR-ACMPRCGCNDNFORMULAPRICE sy-vline 
WA_PRECONPRCERRFLD_STR-ACMPRCGCNDNFORMULARATECRCY sy-vline 
WA_PRECONPRCERRFLD_STR-ACMPRCGCNDNFORMULARATEQTY sy-vline 
WA_PRECONPRCERRFLD_STR-ACMPRCGCNDNFORMULARATEQTYUNIT sy-vline 
WA_PRECONPRCERRFLD_STR-PRICINGPROCEDURE sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNREPORTINGPRICINGSTATUS sy-vline 
WA_PRECONPRCERRFLD_STR-TRANSACLDCS sy-vline 
WA_PRECONPRCERRFLD_STR-TRANSACLMARKETIDENTIFIERCODE sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNTRANSACLPRICE sy-vline 
WA_PRECONPRCERRFLD_STR-ACMTERMCALCTYPE sy-vline 
WA_PRECONPRCERRFLD_STR-ACMPRCGCNDNTERMINPUTPRICE sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNTRANSACLRATECRCY sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNTRANSACLRATEQTY sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNTRANSACLRATEQTYUNIT sy-vline 
WA_PRECONPRCERRFLD_STR-QUOTATIONKEYTYPE sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNTRANSACLMATURITYKEYDATE sy-vline 
WA_PRECONPRCERRFLD_STR-CMMDTYORDREQDOCEXTERNALID sy-vline 
WA_PRECONPRCERRFLD_STR-BASISTYPE sy-vline 
WA_PRECONPRCERRFLD_STR-TRANSACLFIXEDFX sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNTRANSACLDELIVFROMDATE sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNTRANSACLDELIVTODATE sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNREPORTINGPRICE sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNREPORTINGRATECRCY sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNREPORTINGRATEQTY sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNREPORTINGRATEQTYUNIT sy-vline 
WA_PRECONPRCERRFLD_STR-REPORTINGFIXEDFX sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNRPTGMATURITYKEYDATE sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNRPTGDELIVFROMDATE sy-vline 
WA_PRECONPRCERRFLD_STR-RECNCLNRPTGDELIVTODATE sy-vline 
WA_PRECONPRCERRFLD_STR-DISPLAYONLYERROR sy-vline 
WA_PRECONPRCERRFLD_STR-ERRORFLAGFORPRICE sy-vline 
WA_PRECONPRCERRFLD_STR-ERRORFLAGFORQTY sy-vline 
WA_PRECONPRCERRFLD_STR-ERRORFLAGFORFIXEDFX sy-vline 
WA_PRECONPRCERRFLD_STR-ERRORFLAGFORMATKEYDATE sy-vline 
WA_PRECONPRCERRFLD_STR-ERRORFLAGFORSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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