ABAP Select data from SAP table PSPCCHARVALUE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSPCCHARVALUE
*  INTO TABLE @DATA(IT_PSPCCHARVALUE2).
*--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_PSPCCHARVALUE INDEX 1 INTO DATA(WA_PSPCCHARVALUE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSPCCHARVALUE>-MANDT = 1.
<PSPCCHARVALUE>-OBJEK = 1.
<PSPCCHARVALUE>-CHARACTERISTICINTERNALID = 1.
<PSPCCHARVALUE>-ATZHL = 1.
<PSPCCHARVALUE>-MAFID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSPCCHARVALUE-CLASSTYPE, sy-vline,
  WA_PSPCCHARVALUE-ADZHL, sy-vline,
  WA_PSPCCHARVALUE-CHARACTERISTICVALUE, sy-vline,
  WA_PSPCCHARVALUE-CHARACTERISTICMINIMUMVALUE, sy-vline,
  WA_PSPCCHARVALUE-CHARACTERISTICMINIMUMVALUEUNIT, sy-vline,
  WA_PSPCCHARVALUE-CHARACTERISTICMAXIMUMVALUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSPCCHARVALUE 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_PSPCCHARVALUE 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_PSPCCHARVALUE INTO WA_PSPCCHARVALUE.


*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 CHARACTERISTICMINIMUMVALUEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PSPCCHARVALUE-CHARACTERISTICMINIMUMVALUEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSPCCHARVALUE-CHARACTERISTICMINIMUMVALUEUNIT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field CHARACTERISTICBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PSPCCHARVALUE-CHARACTERISTICBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSPCCHARVALUE-CHARACTERISTICBASEUNIT.
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_PSPCCHARVALUE_STR, 
MANDT TYPE STRING,
OBJEK TYPE STRING,
CHARACTERISTICINTERNALID TYPE STRING,
ATZHL TYPE STRING,
MAFID TYPE STRING,
CLASSTYPE TYPE STRING,
ADZHL TYPE STRING,
CHARACTERISTICVALUE TYPE STRING,
CHARACTERISTICMINIMUMVALUE TYPE STRING,
CHARACTERISTICMINIMUMVALUEUNIT TYPE STRING,
CHARACTERISTICMAXIMUMVALUE TYPE STRING,
CHARACTERISTICMAXIMUMVALUEUNIT TYPE STRING,
CHARACTERISTICVALUEDPNDCYCODE TYPE STRING,
ATTLV TYPE STRING,
ATTLB TYPE STRING,
ATPRZ TYPE STRING,
ATINC TYPE STRING,
ATAUT TYPE STRING,
AENNR TYPE STRING,
DATUV TYPE STRING,
ATIMB TYPE STRING,
ATZIS TYPE STRING,
ATSRT TYPE STRING,
ATVGLART TYPE STRING,
DATUB TYPE STRING,
CHARACTERISTIC TYPE STRING,
CHARACTERISTICBASEUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSPCCHARVALUE_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_PSPCCHARVALUE_STR-MANDT sy-vline 
WA_PSPCCHARVALUE_STR-OBJEK sy-vline 
WA_PSPCCHARVALUE_STR-CHARACTERISTICINTERNALID sy-vline 
WA_PSPCCHARVALUE_STR-ATZHL sy-vline 
WA_PSPCCHARVALUE_STR-MAFID sy-vline 
WA_PSPCCHARVALUE_STR-CLASSTYPE sy-vline 
WA_PSPCCHARVALUE_STR-ADZHL sy-vline 
WA_PSPCCHARVALUE_STR-CHARACTERISTICVALUE sy-vline 
WA_PSPCCHARVALUE_STR-CHARACTERISTICMINIMUMVALUE sy-vline 
WA_PSPCCHARVALUE_STR-CHARACTERISTICMINIMUMVALUEUNIT sy-vline 
WA_PSPCCHARVALUE_STR-CHARACTERISTICMAXIMUMVALUE sy-vline 
WA_PSPCCHARVALUE_STR-CHARACTERISTICMAXIMUMVALUEUNIT sy-vline 
WA_PSPCCHARVALUE_STR-CHARACTERISTICVALUEDPNDCYCODE sy-vline 
WA_PSPCCHARVALUE_STR-ATTLV sy-vline 
WA_PSPCCHARVALUE_STR-ATTLB sy-vline 
WA_PSPCCHARVALUE_STR-ATPRZ sy-vline 
WA_PSPCCHARVALUE_STR-ATINC sy-vline 
WA_PSPCCHARVALUE_STR-ATAUT sy-vline 
WA_PSPCCHARVALUE_STR-AENNR sy-vline 
WA_PSPCCHARVALUE_STR-DATUV sy-vline 
WA_PSPCCHARVALUE_STR-ATIMB sy-vline 
WA_PSPCCHARVALUE_STR-ATZIS sy-vline 
WA_PSPCCHARVALUE_STR-ATSRT sy-vline 
WA_PSPCCHARVALUE_STR-ATVGLART sy-vline 
WA_PSPCCHARVALUE_STR-DATUB sy-vline 
WA_PSPCCHARVALUE_STR-CHARACTERISTIC sy-vline 
WA_PSPCCHARVALUE_STR-CHARACTERISTICBASEUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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