ABAP Select data from SAP table CAPPWRKCNTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CAPPWRKCNTR
*  INTO TABLE @DATA(IT_CAPPWRKCNTR2).
*--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_CAPPWRKCNTR INDEX 1 INTO DATA(WA_CAPPWRKCNTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CAPPWRKCNTR>-MANDT = 1.
<CAPPWRKCNTR>-APPLICATIONDOCUMENT = 1.
<CAPPWRKCNTR>-REFERENCEAPPLICATIONITEM = 1.
<CAPPWRKCNTR>-CONTRACTAPPLICATIONUUID = 1.
<CAPPWRKCNTR>-CONTRACTAPPLICATIONVERSION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CAPPWRKCNTR-REFERENCEDOCUMENTTYPE, sy-vline,
  WA_CAPPWRKCNTR-APPLICATIONDOCTYPEDESCRIPTION, sy-vline,
  WA_CAPPWRKCNTR-REFERENCEAPPLICATIONSIDE, sy-vline,
  WA_CAPPWRKCNTR-REFERENCEAPPLICATIONSIDENAME, sy-vline,
  WA_CAPPWRKCNTR-REFERENCEAPPLICATIONSUBITEM, sy-vline,
  WA_CAPPWRKCNTR-DOCUMENTDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CAPPWRKCNTR 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_CAPPWRKCNTR 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_CAPPWRKCNTR INTO WA_CAPPWRKCNTR.


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

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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CAPPWRKCNTR-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CAPPWRKCNTR-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_CAPPWRKCNTR_STR, 
MANDT TYPE STRING,
APPLICATIONDOCUMENT TYPE STRING,
REFERENCEAPPLICATIONITEM TYPE STRING,
CONTRACTAPPLICATIONUUID TYPE STRING,
CONTRACTAPPLICATIONVERSION TYPE STRING,
REFERENCEDOCUMENTTYPE TYPE STRING,
APPLICATIONDOCTYPEDESCRIPTION TYPE STRING,
REFERENCEAPPLICATIONSIDE TYPE STRING,
REFERENCEAPPLICATIONSIDENAME TYPE STRING,
REFERENCEAPPLICATIONSUBITEM TYPE STRING,
DOCUMENTDATE TYPE STRING,
DELIVERYDATE TYPE STRING,
TRADINGCONTRACTNUMBER TYPE STRING,
TRADINGCONTRACTITEM TYPE STRING,
LOADDATACAPTUREOBJID TYPE STRING,
CONTRACTAPPLICATIONSTATUS TYPE STRING,
TRDGCONTRAPPLSTSNAME TYPE STRING,
NOMINATIONNUMBER TYPE STRING,
COUNTERPARTY TYPE STRING,
CUSTOMERNAME TYPE STRING,
ACMCOUNTERPARTYFIRSTNAME TYPE STRING,
ACMCOUNTERPARTYLASTNAME TYPE STRING,
COUNTERPARTYFULLNAME TYPE STRING,
MATERIAL TYPE STRING,
MATERIALNAME TYPE STRING,
OVERFILLID TYPE STRING,
APPLICATIONHASCALLOFF TYPE STRING,
PURCHASEORDER TYPE STRING,
SALESORDER TYPE STRING,
PREDECESSORDOCUMENTNUMBER TYPE STRING,
ACMPREDECESSORDOCUMENTNUMBER TYPE STRING,
BILLOFLADING TYPE STRING,
BILLOFLADINGDATE TYPE STRING,
CMMDTYTRANSPTVESSELID TYPE STRING,
TRUCKRAILBARGEID TYPE STRING,
ISAPPLICATIONITEMINTRANSIT TYPE STRING,
LDCISMULTIPLEBUYSELLRELEVANT TYPE STRING,
ACMAPPLDOCISBACKTOBACK TYPE STRING,
LOADDATACAPTUREAPPLINSTRUCTION TYPE STRING,
LDCAPPLICATIONINSTRUCTIONNAME TYPE STRING,
APPLDOCUMENTCREATEDBY TYPE STRING,
APPLDOCUMENTCREATEDBYNAME TYPE STRING,
APPLICATIONITEMCREATEDONDATE TYPE STRING,
APPLDOCUMENTCHANGEDBY TYPE STRING,
APPLDOCUMENTCHANGEDBYNAME TYPE STRING,
APPLICATIONITEMCHANGEDONDATE TYPE STRING,
TRADINGCONTRACTTYPE TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
ACMSEMANTICCOLOR TYPE STRING,
TRDGCONTRITEMAPPLICATIONQTY TYPE STRING,
UNITOFMEASURE TYPE STRING,
ACMAPPLOVWSPOTFLAG TYPE STRING,
ACMAPPLOVWSPOTFLAGDESC TYPE STRING,
APPLICATIONISVEHICLECONTRRLVT TYPE STRING,
ACMISAPPLICATIONSHOWHISTORY TYPE STRING,
ACMAPPLPRICINGSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CAPPWRKCNTR_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_CAPPWRKCNTR_STR-MANDT sy-vline 
WA_CAPPWRKCNTR_STR-APPLICATIONDOCUMENT sy-vline 
WA_CAPPWRKCNTR_STR-REFERENCEAPPLICATIONITEM sy-vline 
WA_CAPPWRKCNTR_STR-CONTRACTAPPLICATIONUUID sy-vline 
WA_CAPPWRKCNTR_STR-CONTRACTAPPLICATIONVERSION sy-vline 
WA_CAPPWRKCNTR_STR-REFERENCEDOCUMENTTYPE sy-vline 
WA_CAPPWRKCNTR_STR-APPLICATIONDOCTYPEDESCRIPTION sy-vline 
WA_CAPPWRKCNTR_STR-REFERENCEAPPLICATIONSIDE sy-vline 
WA_CAPPWRKCNTR_STR-REFERENCEAPPLICATIONSIDENAME sy-vline 
WA_CAPPWRKCNTR_STR-REFERENCEAPPLICATIONSUBITEM sy-vline 
WA_CAPPWRKCNTR_STR-DOCUMENTDATE sy-vline 
WA_CAPPWRKCNTR_STR-DELIVERYDATE sy-vline 
WA_CAPPWRKCNTR_STR-TRADINGCONTRACTNUMBER sy-vline 
WA_CAPPWRKCNTR_STR-TRADINGCONTRACTITEM sy-vline 
WA_CAPPWRKCNTR_STR-LOADDATACAPTUREOBJID sy-vline 
WA_CAPPWRKCNTR_STR-CONTRACTAPPLICATIONSTATUS sy-vline 
WA_CAPPWRKCNTR_STR-TRDGCONTRAPPLSTSNAME sy-vline 
WA_CAPPWRKCNTR_STR-NOMINATIONNUMBER sy-vline 
WA_CAPPWRKCNTR_STR-COUNTERPARTY sy-vline 
WA_CAPPWRKCNTR_STR-CUSTOMERNAME sy-vline 
WA_CAPPWRKCNTR_STR-ACMCOUNTERPARTYFIRSTNAME sy-vline 
WA_CAPPWRKCNTR_STR-ACMCOUNTERPARTYLASTNAME sy-vline 
WA_CAPPWRKCNTR_STR-COUNTERPARTYFULLNAME sy-vline 
WA_CAPPWRKCNTR_STR-MATERIAL sy-vline 
WA_CAPPWRKCNTR_STR-MATERIALNAME sy-vline 
WA_CAPPWRKCNTR_STR-OVERFILLID sy-vline 
WA_CAPPWRKCNTR_STR-APPLICATIONHASCALLOFF sy-vline 
WA_CAPPWRKCNTR_STR-PURCHASEORDER sy-vline 
WA_CAPPWRKCNTR_STR-SALESORDER sy-vline 
WA_CAPPWRKCNTR_STR-PREDECESSORDOCUMENTNUMBER sy-vline 
WA_CAPPWRKCNTR_STR-ACMPREDECESSORDOCUMENTNUMBER sy-vline 
WA_CAPPWRKCNTR_STR-BILLOFLADING sy-vline 
WA_CAPPWRKCNTR_STR-BILLOFLADINGDATE sy-vline 
WA_CAPPWRKCNTR_STR-CMMDTYTRANSPTVESSELID sy-vline 
WA_CAPPWRKCNTR_STR-TRUCKRAILBARGEID sy-vline 
WA_CAPPWRKCNTR_STR-ISAPPLICATIONITEMINTRANSIT sy-vline 
WA_CAPPWRKCNTR_STR-LDCISMULTIPLEBUYSELLRELEVANT sy-vline 
WA_CAPPWRKCNTR_STR-ACMAPPLDOCISBACKTOBACK sy-vline 
WA_CAPPWRKCNTR_STR-LOADDATACAPTUREAPPLINSTRUCTION sy-vline 
WA_CAPPWRKCNTR_STR-LDCAPPLICATIONINSTRUCTIONNAME sy-vline 
WA_CAPPWRKCNTR_STR-APPLDOCUMENTCREATEDBY sy-vline 
WA_CAPPWRKCNTR_STR-APPLDOCUMENTCREATEDBYNAME sy-vline 
WA_CAPPWRKCNTR_STR-APPLICATIONITEMCREATEDONDATE sy-vline 
WA_CAPPWRKCNTR_STR-APPLDOCUMENTCHANGEDBY sy-vline 
WA_CAPPWRKCNTR_STR-APPLDOCUMENTCHANGEDBYNAME sy-vline 
WA_CAPPWRKCNTR_STR-APPLICATIONITEMCHANGEDONDATE sy-vline 
WA_CAPPWRKCNTR_STR-TRADINGCONTRACTTYPE sy-vline 
WA_CAPPWRKCNTR_STR-SALESORGANIZATION sy-vline 
WA_CAPPWRKCNTR_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_CAPPWRKCNTR_STR-DIVISION sy-vline 
WA_CAPPWRKCNTR_STR-PURCHASINGORGANIZATION sy-vline 
WA_CAPPWRKCNTR_STR-PURCHASINGGROUP sy-vline 
WA_CAPPWRKCNTR_STR-ACMSEMANTICCOLOR sy-vline 
WA_CAPPWRKCNTR_STR-TRDGCONTRITEMAPPLICATIONQTY sy-vline 
WA_CAPPWRKCNTR_STR-UNITOFMEASURE sy-vline 
WA_CAPPWRKCNTR_STR-ACMAPPLOVWSPOTFLAG sy-vline 
WA_CAPPWRKCNTR_STR-ACMAPPLOVWSPOTFLAGDESC sy-vline 
WA_CAPPWRKCNTR_STR-APPLICATIONISVEHICLECONTRRLVT sy-vline 
WA_CAPPWRKCNTR_STR-ACMISAPPLICATIONSHOWHISTORY sy-vline 
WA_CAPPWRKCNTR_STR-ACMAPPLPRICINGSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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