ABAP Select data from SAP table PLMCD_00004601 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PLMCD_00004601 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_00004601. 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_00004601 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_00004601 TYPE STANDARD TABLE OF PLMCD_00004601,
      WA_PLMCD_00004601 TYPE PLMCD_00004601,
      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_00004601> TYPE PLMCD_00004601.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PLMCD_00004601.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PLMCD_00004601
  INTO TABLE IT_PLMCD_00004601.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PLMCD_00004601
*  INTO TABLE @DATA(IT_PLMCD_000046012).
*--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_00004601 INDEX 1 INTO DATA(WA_PLMCD_000046012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PLMCD_00004601 ASSIGNING <PLMCD_00004601>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PLMCD_00004601>-SAVEDOCFILE1 = 1.
<PLMCD_00004601>-SAVEDATACARRIER1 = 1.
<PLMCD_00004601>-SAVEDOCFILE2 = 1.
<PLMCD_00004601>-SAVEDATACARRIER2 = 1.
<PLMCD_00004601>-CREATEDATE = 1.

ENDLOOP.

LOOP AT IT_PLMCD_00004601 INTO WA_PLMCD_00004601.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PLMCD_00004601-REFDOCUMENTNUMBER, sy-vline,
  WA_PLMCD_00004601-REFDOCUMENTPART, sy-vline,
  WA_PLMCD_00004601-REFDOCUMENTVERSION, sy-vline,
  WA_PLMCD_00004601-FILESIZE1, sy-vline,
  WA_PLMCD_00004601-FILESIZE2, sy-vline,
  WA_PLMCD_00004601-CMFIXED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PLMCD_00004601 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_00004601 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_00004601 INTO WA_PLMCD_00004601.


*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_00004601_STR, 
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_00004601_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_00004601_STR-SAVEDOCFILE1 sy-vline 
WA_PLMCD_00004601_STR-SAVEDATACARRIER1 sy-vline 
WA_PLMCD_00004601_STR-SAVEDOCFILE2 sy-vline 
WA_PLMCD_00004601_STR-SAVEDATACARRIER2 sy-vline 
WA_PLMCD_00004601_STR-CREATEDATE sy-vline 
WA_PLMCD_00004601_STR-REFDOCUMENTNUMBER sy-vline 
WA_PLMCD_00004601_STR-REFDOCUMENTPART sy-vline 
WA_PLMCD_00004601_STR-REFDOCUMENTVERSION sy-vline 
WA_PLMCD_00004601_STR-FILESIZE1 sy-vline 
WA_PLMCD_00004601_STR-FILESIZE2 sy-vline 
WA_PLMCD_00004601_STR-CMFIXED sy-vline 
WA_PLMCD_00004601_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.