ABAP Select data from SAP table PDMVCMTATYPCCAT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PDMVCMTATYPCCAT
*  INTO TABLE @DATA(IT_PDMVCMTATYPCCAT2).
*--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_PDMVCMTATYPCCAT INDEX 1 INTO DATA(WA_PDMVCMTATYPCCAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PDMVCMTATYPCCAT>-MANDT = 1.
<PDMVCMTATYPCCAT>-COSTESTIMATE = 1.
<PDMVCMTATYPCCAT>-PROCESSCATEGORY = 1.
<PDMVCMTATYPCCAT>-OBJECTINTERNALID = 1.
<PDMVCMTATYPCCAT>-PLANT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PDMVCMTATYPCCAT-COMPANYCODE, sy-vline,
  WA_PDMVCMTATYPCCAT-PROFITCENTER, sy-vline,
  WA_PDMVCMTATYPCCAT-PROFITCENTERMD, sy-vline,
  WA_PDMVCMTATYPCCAT-VALUATIONAREA, sy-vline,
  WA_PDMVCMTATYPCCAT-COSTCENTER, sy-vline,
  WA_PDMVCMTATYPCCAT-COSTCENTERNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PDMVCMTATYPCCAT 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_PDMVCMTATYPCCAT 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_PDMVCMTATYPCCAT INTO WA_PDMVCMTATYPCCAT.


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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field ACCOUNTINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PDMVCMTATYPCCAT-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PDMVCMTATYPCCAT-ACCOUNTINGDOCUMENT.
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_PDMVCMTATYPCCAT_STR, 
MANDT TYPE STRING,
COSTESTIMATE TYPE STRING,
PROCESSCATEGORY TYPE STRING,
OBJECTINTERNALID TYPE STRING,
PLANT TYPE STRING,
COMPANYCODE TYPE STRING,
PROFITCENTER TYPE STRING,
PROFITCENTERMD TYPE STRING,
VALUATIONAREA TYPE STRING,
COSTCENTER TYPE STRING,
COSTCENTERNAME TYPE STRING,
COSTCTRACTIVITYTYPE TYPE STRING,
CONTROLLINGAREA TYPE STRING,
VALUATIONQUANTITYUNIT TYPE STRING,
CURRENCY TYPE STRING,
SOURCELEDGER TYPE STRING,
SOURCECOMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
LEDGERGLLINEITEM TYPE STRING,
TIMESTAMP TYPE STRING,
COSTCTRACTIVITYTYPENAME TYPE STRING,
BUSINESSPROCESSNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PDMVCMTATYPCCAT_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_PDMVCMTATYPCCAT_STR-MANDT sy-vline 
WA_PDMVCMTATYPCCAT_STR-COSTESTIMATE sy-vline 
WA_PDMVCMTATYPCCAT_STR-PROCESSCATEGORY sy-vline 
WA_PDMVCMTATYPCCAT_STR-OBJECTINTERNALID sy-vline 
WA_PDMVCMTATYPCCAT_STR-PLANT sy-vline 
WA_PDMVCMTATYPCCAT_STR-COMPANYCODE sy-vline 
WA_PDMVCMTATYPCCAT_STR-PROFITCENTER sy-vline 
WA_PDMVCMTATYPCCAT_STR-PROFITCENTERMD sy-vline 
WA_PDMVCMTATYPCCAT_STR-VALUATIONAREA sy-vline 
WA_PDMVCMTATYPCCAT_STR-COSTCENTER sy-vline 
WA_PDMVCMTATYPCCAT_STR-COSTCENTERNAME sy-vline 
WA_PDMVCMTATYPCCAT_STR-COSTCTRACTIVITYTYPE sy-vline 
WA_PDMVCMTATYPCCAT_STR-CONTROLLINGAREA sy-vline 
WA_PDMVCMTATYPCCAT_STR-VALUATIONQUANTITYUNIT sy-vline 
WA_PDMVCMTATYPCCAT_STR-CURRENCY sy-vline 
WA_PDMVCMTATYPCCAT_STR-SOURCELEDGER sy-vline 
WA_PDMVCMTATYPCCAT_STR-SOURCECOMPANYCODE sy-vline 
WA_PDMVCMTATYPCCAT_STR-FISCALYEAR sy-vline 
WA_PDMVCMTATYPCCAT_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PDMVCMTATYPCCAT_STR-LEDGERGLLINEITEM sy-vline 
WA_PDMVCMTATYPCCAT_STR-TIMESTAMP sy-vline 
WA_PDMVCMTATYPCCAT_STR-COSTCTRACTIVITYTYPENAME sy-vline 
WA_PDMVCMTATYPCCAT_STR-BUSINESSPROCESSNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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