ABAP Select data from SAP table PROCCAT_CALDET_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PROCCAT_CALDET_D
*  INTO TABLE @DATA(IT_PROCCAT_CALDET_D2).
*--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_PROCCAT_CALDET_D INDEX 1 INTO DATA(WA_PROCCAT_CALDET_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PROCCAT_CALDET_D>-MANDT = 1.
<PROCCAT_CALDET_D>-DRAFTUUID = 1.
<PROCCAT_CALDET_D>-OPNCTLGWEBSERVICEID = 1.
<PROCCAT_CALDET_D>-OPNCTLGWEBSERVICEIDFOREDIT = 1.
<PROCCAT_CALDET_D>-OPNCTLGWEBSERVICENAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PROCCAT_CALDET_D-ISDEFAULTCATALOG, sy-vline,
  WA_PROCCAT_CALDET_D-OPNCTLGISPRODDSPALLWD, sy-vline,
  WA_PROCCAT_CALDET_D-OPNCTLGISPRODUPDTALLWD, sy-vline,
  WA_PROCCAT_CALDET_D-OPNCTLGISSRCGALLWD, sy-vline,
  WA_PROCCAT_CALDET_D-OPNCTLGHASCRSCTLGSRCH, sy-vline,
  WA_PROCCAT_CALDET_D-OPNCTLGHASPARTDETS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PROCCAT_CALDET_D 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_PROCCAT_CALDET_D 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_PROCCAT_CALDET_D INTO WA_PROCCAT_CALDET_D.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_PROCCAT_CALDET_D_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
OPNCTLGWEBSERVICEID TYPE STRING,
OPNCTLGWEBSERVICEIDFOREDIT TYPE STRING,
OPNCTLGWEBSERVICENAME TYPE STRING,
ISDEFAULTCATALOG TYPE STRING,
OPNCTLGISPRODDSPALLWD TYPE STRING,
OPNCTLGISPRODUPDTALLWD TYPE STRING,
OPNCTLGISSRCGALLWD TYPE STRING,
OPNCTLGHASCRSCTLGSRCH TYPE STRING,
OPNCTLGHASPARTDETS TYPE STRING,
OPNCTLGHASHTTPGET TYPE STRING,
OPNCTLGICONPATH TYPE STRING,
ISOPNCTLGPUNCHOUTDISABLED TYPE STRING,
ISOPNCTLGEXTRACTIONENABLED TYPE STRING,
ISERRORMSGNOTTOBELOGGED TYPE STRING,
ISSUCCESSMSGNOTTOBELOGGED TYPE STRING,
ISWARNINGMSGNOTTOBELOGGED TYPE STRING,
OPNCTLGITMPRICECHECKCAT TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PROCCAT_CALDET_D_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_PROCCAT_CALDET_D_STR-MANDT sy-vline 
WA_PROCCAT_CALDET_D_STR-DRAFTUUID sy-vline 
WA_PROCCAT_CALDET_D_STR-OPNCTLGWEBSERVICEID sy-vline 
WA_PROCCAT_CALDET_D_STR-OPNCTLGWEBSERVICEIDFOREDIT sy-vline 
WA_PROCCAT_CALDET_D_STR-OPNCTLGWEBSERVICENAME sy-vline 
WA_PROCCAT_CALDET_D_STR-ISDEFAULTCATALOG sy-vline 
WA_PROCCAT_CALDET_D_STR-OPNCTLGISPRODDSPALLWD sy-vline 
WA_PROCCAT_CALDET_D_STR-OPNCTLGISPRODUPDTALLWD sy-vline 
WA_PROCCAT_CALDET_D_STR-OPNCTLGISSRCGALLWD sy-vline 
WA_PROCCAT_CALDET_D_STR-OPNCTLGHASCRSCTLGSRCH sy-vline 
WA_PROCCAT_CALDET_D_STR-OPNCTLGHASPARTDETS sy-vline 
WA_PROCCAT_CALDET_D_STR-OPNCTLGHASHTTPGET sy-vline 
WA_PROCCAT_CALDET_D_STR-OPNCTLGICONPATH sy-vline 
WA_PROCCAT_CALDET_D_STR-ISOPNCTLGPUNCHOUTDISABLED sy-vline 
WA_PROCCAT_CALDET_D_STR-ISOPNCTLGEXTRACTIONENABLED sy-vline 
WA_PROCCAT_CALDET_D_STR-ISERRORMSGNOTTOBELOGGED sy-vline 
WA_PROCCAT_CALDET_D_STR-ISSUCCESSMSGNOTTOBELOGGED sy-vline 
WA_PROCCAT_CALDET_D_STR-ISWARNINGMSGNOTTOBELOGGED sy-vline 
WA_PROCCAT_CALDET_D_STR-OPNCTLGITMPRICECHECKCAT sy-vline 
WA_PROCCAT_CALDET_D_STR-HASACTIVEENTITY sy-vline 
WA_PROCCAT_CALDET_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_PROCCAT_CALDET_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_PROCCAT_CALDET_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_PROCCAT_CALDET_D_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_PROCCAT_CALDET_D_STR-DRAFTENTITYOPERATIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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