ABAP Select data from SAP table PRECONALLAPPLFD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRECONALLAPPLFD
*  INTO TABLE @DATA(IT_PRECONALLAPPLFD2).
*--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_PRECONALLAPPLFD INDEX 1 INTO DATA(WA_PRECONALLAPPLFD2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRECONALLAPPLFD-APPLICATIONDOCUMENTITEM, sy-vline,
  WA_PRECONALLAPPLFD-DOCUMENTSIDE, sy-vline,
  WA_PRECONALLAPPLFD-APPLICATIONSUBITEM, sy-vline,
  WA_PRECONALLAPPLFD-TRDGCONTRPRCGASPECTSRCELOTID, sy-vline,
  WA_PRECONALLAPPLFD-CONDITIONTERMRATEFIXATION, sy-vline,
  WA_PRECONALLAPPLFD-RECONCILIATIONRECORDTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRECONALLAPPLFD 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_PRECONALLAPPLFD 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_PRECONALLAPPLFD INTO WA_PRECONALLAPPLFD.


*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_PRECONALLAPPLFD-CONTRACTNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRECONALLAPPLFD-CONTRACTNUM.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field DISTRAPPLITEMQTYBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PRECONALLAPPLFD-DISTRAPPLITEMQTYBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRECONALLAPPLFD-DISTRAPPLITEMQTYBASEUNIT.
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_PRECONALLAPPLFD_STR, 
MANDT TYPE STRING,
CONTRACTNUM TYPE STRING,
TRADINGCONTRACTITEM TYPE STRING,
CONTRACTSUBITEM TYPE STRING,
APPLICATIONDOCUMENT TYPE STRING,
APPLICATIONDOCUMENTITEM TYPE STRING,
DOCUMENTSIDE TYPE STRING,
APPLICATIONSUBITEM TYPE STRING,
TRDGCONTRPRCGASPECTSRCELOTID TYPE STRING,
CONDITIONTERMRATEFIXATION TYPE STRING,
RECONCILIATIONRECORDTYPE TYPE STRING,
TRADINGCONTRACTTYPE TYPE STRING,
PRICINGDOCUMENT TYPE STRING,
APPLICATIONDOCTYPE TYPE STRING,
APPLSTATUSCODE TYPE STRING,
STLSTATUSCODE TYPE STRING,
REFERENCEAPPLICATIONDOCUMENT TYPE STRING,
CONTRACTMATERIAL TYPE STRING,
CONTRACTPLANT TYPE STRING,
COMPANYCODE TYPE STRING,
STORAGELOCATION TYPE STRING,
APPLICATIONQTYISRETURNED TYPE STRING,
RETURNAPPLICATIONDOCUMENT TYPE STRING,
RETURNAPPLICATIONDOCUMENTITEM TYPE STRING,
RETURNQUANTITYINBASEUNIT TYPE STRING,
ISLATESTUNASSIGNEDITEM TYPE STRING,
RELATEDDOCUMENTNUMBER TYPE STRING,
RELATEDDOCUMENTITEMNUMBER TYPE STRING,
CONTRACTISMIRRORCONTR TYPE STRING,
SOURCEDOCUMENTFORKONVD TYPE STRING,
DOCUMENTDATE 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,
PRICINGSTATUS TYPE STRING,
TOTALPRICINGLOTQTY TYPE STRING,
TOTALPRICINGLOTQTYUNIT TYPE STRING,
TOTALPRICINGLOTQTYINBASEUNIT TYPE STRING,
DISTRTOPRCLOTCONSUMEDQTY TYPE STRING,
APPLICATIONITEMQTY TYPE STRING,
APPLICATIONITEMQTYUNIT TYPE STRING,
OPENCONTRACTQTY TYPE STRING,
MATERIALBASEUNIT TYPE STRING,
DISTRTOPRCLOTAPPLITEMQTY TYPE STRING,
DISTRTOPRCLOTAPPLITEMQTYUNIT TYPE STRING,
DISTRAPPLITEMQTYINBASEUNIT TYPE STRING,
DISTRAPPLITEMQTYBASEUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRECONALLAPPLFD_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_PRECONALLAPPLFD_STR-MANDT sy-vline 
WA_PRECONALLAPPLFD_STR-CONTRACTNUM sy-vline 
WA_PRECONALLAPPLFD_STR-TRADINGCONTRACTITEM sy-vline 
WA_PRECONALLAPPLFD_STR-CONTRACTSUBITEM sy-vline 
WA_PRECONALLAPPLFD_STR-APPLICATIONDOCUMENT sy-vline 
WA_PRECONALLAPPLFD_STR-APPLICATIONDOCUMENTITEM sy-vline 
WA_PRECONALLAPPLFD_STR-DOCUMENTSIDE sy-vline 
WA_PRECONALLAPPLFD_STR-APPLICATIONSUBITEM sy-vline 
WA_PRECONALLAPPLFD_STR-TRDGCONTRPRCGASPECTSRCELOTID sy-vline 
WA_PRECONALLAPPLFD_STR-CONDITIONTERMRATEFIXATION sy-vline 
WA_PRECONALLAPPLFD_STR-RECONCILIATIONRECORDTYPE sy-vline 
WA_PRECONALLAPPLFD_STR-TRADINGCONTRACTTYPE sy-vline 
WA_PRECONALLAPPLFD_STR-PRICINGDOCUMENT sy-vline 
WA_PRECONALLAPPLFD_STR-APPLICATIONDOCTYPE sy-vline 
WA_PRECONALLAPPLFD_STR-APPLSTATUSCODE sy-vline 
WA_PRECONALLAPPLFD_STR-STLSTATUSCODE sy-vline 
WA_PRECONALLAPPLFD_STR-REFERENCEAPPLICATIONDOCUMENT sy-vline 
WA_PRECONALLAPPLFD_STR-CONTRACTMATERIAL sy-vline 
WA_PRECONALLAPPLFD_STR-CONTRACTPLANT sy-vline 
WA_PRECONALLAPPLFD_STR-COMPANYCODE sy-vline 
WA_PRECONALLAPPLFD_STR-STORAGELOCATION sy-vline 
WA_PRECONALLAPPLFD_STR-APPLICATIONQTYISRETURNED sy-vline 
WA_PRECONALLAPPLFD_STR-RETURNAPPLICATIONDOCUMENT sy-vline 
WA_PRECONALLAPPLFD_STR-RETURNAPPLICATIONDOCUMENTITEM sy-vline 
WA_PRECONALLAPPLFD_STR-RETURNQUANTITYINBASEUNIT sy-vline 
WA_PRECONALLAPPLFD_STR-ISLATESTUNASSIGNEDITEM sy-vline 
WA_PRECONALLAPPLFD_STR-RELATEDDOCUMENTNUMBER sy-vline 
WA_PRECONALLAPPLFD_STR-RELATEDDOCUMENTITEMNUMBER sy-vline 
WA_PRECONALLAPPLFD_STR-CONTRACTISMIRRORCONTR sy-vline 
WA_PRECONALLAPPLFD_STR-SOURCEDOCUMENTFORKONVD sy-vline 
WA_PRECONALLAPPLFD_STR-DOCUMENTDATE sy-vline 
WA_PRECONALLAPPLFD_STR-TRADINGCONTRACTCREATEDBY sy-vline 
WA_PRECONALLAPPLFD_STR-SALESORGANIZATION sy-vline 
WA_PRECONALLAPPLFD_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_PRECONALLAPPLFD_STR-DIVISION sy-vline 
WA_PRECONALLAPPLFD_STR-PURCHASINGORGANIZATION sy-vline 
WA_PRECONALLAPPLFD_STR-PURCHASINGGROUP sy-vline 
WA_PRECONALLAPPLFD_STR-COMMODITY sy-vline 
WA_PRECONALLAPPLFD_STR-CUSTOMERNAME sy-vline 
WA_PRECONALLAPPLFD_STR-SUPPLIERNAME sy-vline 
WA_PRECONALLAPPLFD_STR-PRICINGSTATUS sy-vline 
WA_PRECONALLAPPLFD_STR-TOTALPRICINGLOTQTY sy-vline 
WA_PRECONALLAPPLFD_STR-TOTALPRICINGLOTQTYUNIT sy-vline 
WA_PRECONALLAPPLFD_STR-TOTALPRICINGLOTQTYINBASEUNIT sy-vline 
WA_PRECONALLAPPLFD_STR-DISTRTOPRCLOTCONSUMEDQTY sy-vline 
WA_PRECONALLAPPLFD_STR-APPLICATIONITEMQTY sy-vline 
WA_PRECONALLAPPLFD_STR-APPLICATIONITEMQTYUNIT sy-vline 
WA_PRECONALLAPPLFD_STR-OPENCONTRACTQTY sy-vline 
WA_PRECONALLAPPLFD_STR-MATERIALBASEUNIT sy-vline 
WA_PRECONALLAPPLFD_STR-DISTRTOPRCLOTAPPLITEMQTY sy-vline 
WA_PRECONALLAPPLFD_STR-DISTRTOPRCLOTAPPLITEMQTYUNIT sy-vline 
WA_PRECONALLAPPLFD_STR-DISTRAPPLITEMQTYINBASEUNIT sy-vline 
WA_PRECONALLAPPLFD_STR-DISTRAPPLITEMQTYBASEUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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