ABAP Select data from SAP table PLMCD_00004602 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PLMCD_00004602 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 PLMCD_00004602. 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 PLMCD_00004602 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_PLMCD_00004602 TYPE STANDARD TABLE OF PLMCD_00004602,
      WA_PLMCD_00004602 TYPE PLMCD_00004602,
      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: <PLMCD_00004602> TYPE PLMCD_00004602.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PLMCD_00004602.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PLMCD_00004602
  INTO TABLE IT_PLMCD_00004602.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PLMCD_00004602
*  INTO TABLE @DATA(IT_PLMCD_000046022).
*--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_PLMCD_00004602 INDEX 1 INTO DATA(WA_PLMCD_000046022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PLMCD_00004602 ASSIGNING <PLMCD_00004602>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PLMCD_00004602>-DOCUMENTTYPE = 1.
<PLMCD_00004602>-DOCUMENTNUMBER = 1.
<PLMCD_00004602>-DOCUMENTVERSION = 1.
<PLMCD_00004602>-DOCUMENTPART = 1.
<PLMCD_00004602>-DESCRIPTION = 1.

ENDLOOP.

LOOP AT IT_PLMCD_00004602 INTO WA_PLMCD_00004602.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PLMCD_00004602-USERNAME, sy-vline,
  WA_PLMCD_00004602-STATUSEXTERN, sy-vline,
  WA_PLMCD_00004602-STATUSINTERN, sy-vline,
  WA_PLMCD_00004602-STATUSLOG, sy-vline,
  WA_PLMCD_00004602-LABORATORY, sy-vline,
  WA_PLMCD_00004602-ECNUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PLMCD_00004602 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_PLMCD_00004602 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_PLMCD_00004602 INTO WA_PLMCD_00004602.


*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_PLMCD_00004602_STR, 
DOCUMENTTYPE TYPE STRING,
DOCUMENTNUMBER TYPE STRING,
DOCUMENTVERSION TYPE STRING,
DOCUMENTPART TYPE STRING,
DESCRIPTION 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,
E1BP_DOC_DRAW21 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,END OF T_EKKO_STR.
DATA: WA_PLMCD_00004602_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_PLMCD_00004602_STR-DOCUMENTTYPE sy-vline 
WA_PLMCD_00004602_STR-DOCUMENTNUMBER sy-vline 
WA_PLMCD_00004602_STR-DOCUMENTVERSION sy-vline 
WA_PLMCD_00004602_STR-DOCUMENTPART sy-vline 
WA_PLMCD_00004602_STR-DESCRIPTION sy-vline 
WA_PLMCD_00004602_STR-USERNAME sy-vline 
WA_PLMCD_00004602_STR-STATUSEXTERN sy-vline 
WA_PLMCD_00004602_STR-STATUSINTERN sy-vline 
WA_PLMCD_00004602_STR-STATUSLOG sy-vline 
WA_PLMCD_00004602_STR-LABORATORY sy-vline 
WA_PLMCD_00004602_STR-ECNUMBER sy-vline 
WA_PLMCD_00004602_STR-VALIDFROMDATE sy-vline 
WA_PLMCD_00004602_STR-REVLEVEL sy-vline 
WA_PLMCD_00004602_STR-DELETEINDICATOR sy-vline 
WA_PLMCD_00004602_STR-CADINDICATOR sy-vline 
WA_PLMCD_00004602_STR-STRUCTUREINDICATOR sy-vline 
WA_PLMCD_00004602_STR-PREDOCUMENTNUMBER sy-vline 
WA_PLMCD_00004602_STR-PREDOCUMENTVERSION sy-vline 
WA_PLMCD_00004602_STR-PREDOCUMENTPART sy-vline 
WA_PLMCD_00004602_STR-PREDOCUMENTTYPE sy-vline 
WA_PLMCD_00004602_STR-AUTHORITYGROUP sy-vline 
WA_PLMCD_00004602_STR-DOCFILE1 sy-vline 
WA_PLMCD_00004602_STR-DATACARRIER1 sy-vline 
WA_PLMCD_00004602_STR-WSAPPLICATION1 sy-vline 
WA_PLMCD_00004602_STR-DOCFILE2 sy-vline 
WA_PLMCD_00004602_STR-DATACARRIER2 sy-vline 
WA_PLMCD_00004602_STR-WSAPPLICATION2 sy-vline 
WA_PLMCD_00004602_STR-VRLDAT sy-vline 
WA_PLMCD_00004602_STR-USERDEFINED1 sy-vline 
WA_PLMCD_00004602_STR-USERDEFINED2 sy-vline 
WA_PLMCD_00004602_STR-USERDEFINED3 sy-vline 
WA_PLMCD_00004602_STR-USERDEFINED4 sy-vline 
WA_PLMCD_00004602_STR-E1BP_DOC_DRAW21 sy-vline 
WA_PLMCD_00004602_STR-SAVEDOCFILE1 sy-vline 
WA_PLMCD_00004602_STR-SAVEDATACARRIER1 sy-vline 
WA_PLMCD_00004602_STR-SAVEDOCFILE2 sy-vline 
WA_PLMCD_00004602_STR-SAVEDATACARRIER2 sy-vline 
WA_PLMCD_00004602_STR-CREATEDATE sy-vline 
WA_PLMCD_00004602_STR-REFDOCUMENTNUMBER sy-vline 
WA_PLMCD_00004602_STR-REFDOCUMENTPART sy-vline 
WA_PLMCD_00004602_STR-REFDOCUMENTVERSION sy-vline 
WA_PLMCD_00004602_STR-FILESIZE1 sy-vline 
WA_PLMCD_00004602_STR-FILESIZE2 sy-vline 
WA_PLMCD_00004602_STR-CMFIXED sy-vline 
WA_PLMCD_00004602_STR-CMRELEVANCE sy-vline      INTO ld_text SEPARATED BY SPACE.

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