ABAP Select data from SAP table CRMT_PLM_DIR_DO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_PLM_DIR_DO
*  INTO TABLE @DATA(IT_CRMT_PLM_DIR_DO2).
*--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_CRMT_PLM_DIR_DO INDEX 1 INTO DATA(WA_CRMT_PLM_DIR_DO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_PLM_DIR_DO>-DOCUMENTTYPE = 1.
<CRMT_PLM_DIR_DO>-DOCUMENTNUMBER = 1.
<CRMT_PLM_DIR_DO>-DOCUMENTVERSION = 1.
<CRMT_PLM_DIR_DO>-DOCUMENTPART = 1.
<CRMT_PLM_DIR_DO>-DESCRIPTION_DOC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_PLM_DIR_DO-USERNAME, sy-vline,
  WA_CRMT_PLM_DIR_DO-STATUSEXTERN, sy-vline,
  WA_CRMT_PLM_DIR_DO-STATUSINTERN, sy-vline,
  WA_CRMT_PLM_DIR_DO-STATUSLOG, sy-vline,
  WA_CRMT_PLM_DIR_DO-LABORATORY, sy-vline,
  WA_CRMT_PLM_DIR_DO-ECNUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_PLM_DIR_DO 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_CRMT_PLM_DIR_DO 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_CRMT_PLM_DIR_DO INTO WA_CRMT_PLM_DIR_DO.


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

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

*Conversion exit NUMCV, internal->external for field REVLEVEL
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_PLM_DIR_DO-REVLEVEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_PLM_DIR_DO-REVLEVEL.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_PLM_DIR_DO-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_PLM_DIR_DO-LANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CREATED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_PLM_DIR_DO-CREATED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_PLM_DIR_DO-CREATED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_PLM_DIR_DO-CHANGED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_PLM_DIR_DO-CHANGED_AT.
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_CRMT_PLM_DIR_DO_STR, 
DOCUMENTTYPE TYPE STRING,
DOCUMENTNUMBER TYPE STRING,
DOCUMENTVERSION TYPE STRING,
DOCUMENTPART TYPE STRING,
DESCRIPTION_DOC TYPE STRING,
USERNAME TYPE STRING,
STATUSEXTERN TYPE STRING,
STATUSINTERN TYPE STRING,
STATUSLOG TYPE STRING,
LABORATORY TYPE STRING,
ECNUMBER TYPE STRING,
VALIDFROMDATE TYPE STRING,
REVLEVEL TYPE STRING,
DELETEINDICATOR TYPE STRING,
CADINDICATOR TYPE STRING,
STRUCTUREINDICATOR TYPE STRING,
PREDOCUMENTNUMBER TYPE STRING,
PREDOCUMENTVERSION TYPE STRING,
PREDOCUMENTPART TYPE STRING,
PREDOCUMENTTYPE TYPE STRING,
AUTHORITYGROUP TYPE STRING,
DOCFILE1 TYPE STRING,
DATACARRIER1 TYPE STRING,
WSAPPLICATION1 TYPE STRING,
DOCFILE2 TYPE STRING,
DATACARRIER2 TYPE STRING,
WSAPPLICATION2 TYPE STRING,
VRLDAT TYPE STRING,
USERDEFINED1 TYPE STRING,
USERDEFINED2 TYPE STRING,
USERDEFINED3 TYPE STRING,
USERDEFINED4 TYPE STRING,
SAVEDOCFILE1 TYPE STRING,
SAVEDATACARRIER1 TYPE STRING,
SAVEDOCFILE2 TYPE STRING,
SAVEDATACARRIER2 TYPE STRING,
CREATEDATE TYPE STRING,
REFDOCUMENTNUMBER TYPE STRING,
REFDOCUMENTPART TYPE STRING,
REFDOCUMENTVERSION TYPE STRING,
FILESIZE1 TYPE STRING,
FILESIZE2 TYPE STRING,
CMFIXED TYPE STRING,
CMRELEVANCE TYPE STRING,
STATUSINTERNTXT TYPE STRING,
STATUS_DATE TYPE STRING,
ORIGINALTYPE TYPE STRING,
OBJ_TYPE TYPE STRING,
MIMETYPE TYPE STRING,
CONTENT_URL TYPE STRING,
LANGUAGE TYPE STRING,
CHECKEDIN TYPE STRING,
CREATED_AT TYPE STRING,
CHANGED_AT TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_BY TYPE STRING,
CHECKED_OUT TYPE STRING,
CHECKOUT_USER TYPE STRING,
RESERVED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_PLM_DIR_DO_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_CRMT_PLM_DIR_DO_STR-DOCUMENTTYPE sy-vline 
WA_CRMT_PLM_DIR_DO_STR-DOCUMENTNUMBER sy-vline 
WA_CRMT_PLM_DIR_DO_STR-DOCUMENTVERSION sy-vline 
WA_CRMT_PLM_DIR_DO_STR-DOCUMENTPART sy-vline 
WA_CRMT_PLM_DIR_DO_STR-DESCRIPTION_DOC sy-vline 
WA_CRMT_PLM_DIR_DO_STR-USERNAME sy-vline 
WA_CRMT_PLM_DIR_DO_STR-STATUSEXTERN sy-vline 
WA_CRMT_PLM_DIR_DO_STR-STATUSINTERN sy-vline 
WA_CRMT_PLM_DIR_DO_STR-STATUSLOG sy-vline 
WA_CRMT_PLM_DIR_DO_STR-LABORATORY sy-vline 
WA_CRMT_PLM_DIR_DO_STR-ECNUMBER sy-vline 
WA_CRMT_PLM_DIR_DO_STR-VALIDFROMDATE sy-vline 
WA_CRMT_PLM_DIR_DO_STR-REVLEVEL sy-vline 
WA_CRMT_PLM_DIR_DO_STR-DELETEINDICATOR sy-vline 
WA_CRMT_PLM_DIR_DO_STR-CADINDICATOR sy-vline 
WA_CRMT_PLM_DIR_DO_STR-STRUCTUREINDICATOR sy-vline 
WA_CRMT_PLM_DIR_DO_STR-PREDOCUMENTNUMBER sy-vline 
WA_CRMT_PLM_DIR_DO_STR-PREDOCUMENTVERSION sy-vline 
WA_CRMT_PLM_DIR_DO_STR-PREDOCUMENTPART sy-vline 
WA_CRMT_PLM_DIR_DO_STR-PREDOCUMENTTYPE sy-vline 
WA_CRMT_PLM_DIR_DO_STR-AUTHORITYGROUP sy-vline 
WA_CRMT_PLM_DIR_DO_STR-DOCFILE1 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-DATACARRIER1 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-WSAPPLICATION1 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-DOCFILE2 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-DATACARRIER2 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-WSAPPLICATION2 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-VRLDAT sy-vline 
WA_CRMT_PLM_DIR_DO_STR-USERDEFINED1 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-USERDEFINED2 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-USERDEFINED3 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-USERDEFINED4 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-SAVEDOCFILE1 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-SAVEDATACARRIER1 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-SAVEDOCFILE2 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-SAVEDATACARRIER2 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-CREATEDATE sy-vline 
WA_CRMT_PLM_DIR_DO_STR-REFDOCUMENTNUMBER sy-vline 
WA_CRMT_PLM_DIR_DO_STR-REFDOCUMENTPART sy-vline 
WA_CRMT_PLM_DIR_DO_STR-REFDOCUMENTVERSION sy-vline 
WA_CRMT_PLM_DIR_DO_STR-FILESIZE1 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-FILESIZE2 sy-vline 
WA_CRMT_PLM_DIR_DO_STR-CMFIXED sy-vline 
WA_CRMT_PLM_DIR_DO_STR-CMRELEVANCE sy-vline 
WA_CRMT_PLM_DIR_DO_STR-STATUSINTERNTXT sy-vline 
WA_CRMT_PLM_DIR_DO_STR-STATUS_DATE sy-vline 
WA_CRMT_PLM_DIR_DO_STR-ORIGINALTYPE sy-vline 
WA_CRMT_PLM_DIR_DO_STR-OBJ_TYPE sy-vline 
WA_CRMT_PLM_DIR_DO_STR-MIMETYPE sy-vline 
WA_CRMT_PLM_DIR_DO_STR-CONTENT_URL sy-vline 
WA_CRMT_PLM_DIR_DO_STR-LANGUAGE sy-vline 
WA_CRMT_PLM_DIR_DO_STR-CHECKEDIN sy-vline 
WA_CRMT_PLM_DIR_DO_STR-CREATED_AT sy-vline 
WA_CRMT_PLM_DIR_DO_STR-CHANGED_AT sy-vline 
WA_CRMT_PLM_DIR_DO_STR-CREATED_BY sy-vline 
WA_CRMT_PLM_DIR_DO_STR-CHANGED_BY sy-vline 
WA_CRMT_PLM_DIR_DO_STR-CHECKED_OUT sy-vline 
WA_CRMT_PLM_DIR_DO_STR-CHECKOUT_USER sy-vline 
WA_CRMT_PLM_DIR_DO_STR-RESERVED sy-vline      INTO ld_text SEPARATED BY SPACE.

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