ABAP Select data from SAP table RN2CLIM_PLD_COMPLETE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RN2CLIM_PLD_COMPLETE 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 RN2CLIM_PLD_COMPLETE. 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 RN2CLIM_PLD_COMPLETE 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_RN2CLIM_PLD_COMPLETE TYPE STANDARD TABLE OF RN2CLIM_PLD_COMPLETE,
      WA_RN2CLIM_PLD_COMPLETE TYPE RN2CLIM_PLD_COMPLETE,
      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: <RN2CLIM_PLD_COMPLETE> TYPE RN2CLIM_PLD_COMPLETE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RN2CLIM_PLD_COMPLETE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RN2CLIM_PLD_COMPLETE
  INTO TABLE IT_RN2CLIM_PLD_COMPLETE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RN2CLIM_PLD_COMPLETE
*  INTO TABLE @DATA(IT_RN2CLIM_PLD_COMPLETE2).
*--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_RN2CLIM_PLD_COMPLETE INDEX 1 INTO DATA(WA_RN2CLIM_PLD_COMPLETE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RN2CLIM_PLD_COMPLETE ASSIGNING <RN2CLIM_PLD_COMPLETE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RN2CLIM_PLD_COMPLETE>-PLDID = 1.
<RN2CLIM_PLD_COMPLETE>-MTYPE = 1.
<RN2CLIM_PLD_COMPLETE>-STATUS = 1.
<RN2CLIM_PLD_COMPLETE>-EINRI = 1.
<RN2CLIM_PLD_COMPLETE>-PATNR = 1.

ENDLOOP.

LOOP AT IT_RN2CLIM_PLD_COMPLETE INTO WA_RN2CLIM_PLD_COMPLETE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RN2CLIM_PLD_COMPLETE-PAPID, sy-vline,
  WA_RN2CLIM_PLD_COMPLETE-BCHID, sy-vline,
  WA_RN2CLIM_PLD_COMPLETE-BCPID, sy-vline,
  WA_RN2CLIM_PLD_COMPLETE-PLDTIMESTAMP, sy-vline,
  WA_RN2CLIM_PLD_COMPLETE-CYDEFID, sy-vline,
  WA_RN2CLIM_PLD_COMPLETE-ORGPL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RN2CLIM_PLD_COMPLETE 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_RN2CLIM_PLD_COMPLETE 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_RN2CLIM_PLD_COMPLETE INTO WA_RN2CLIM_PLD_COMPLETE.


*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 EINRI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN2CLIM_PLD_COMPLETE-EINRI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN2CLIM_PLD_COMPLETE-EINRI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PATNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN2CLIM_PLD_COMPLETE-PATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN2CLIM_PLD_COMPLETE-PATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PAPID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN2CLIM_PLD_COMPLETE-PAPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN2CLIM_PLD_COMPLETE-PAPID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORGPL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN2CLIM_PLD_COMPLETE-ORGPL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN2CLIM_PLD_COMPLETE-ORGPL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MITARB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN2CLIM_PLD_COMPLETE-MITARB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN2CLIM_PLD_COMPLETE-MITARB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORGDO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RN2CLIM_PLD_COMPLETE-ORGDO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN2CLIM_PLD_COMPLETE-ORGDO.
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_RN2CLIM_PLD_COMPLETE_STR, 
PLDID TYPE STRING,
MTYPE TYPE STRING,
STATUS TYPE STRING,
EINRI TYPE STRING,
PATNR TYPE STRING,
PAPID TYPE STRING,
BCHID TYPE STRING,
BCPID TYPE STRING,
PLDTIMESTAMP TYPE STRING,
CYDEFID TYPE STRING,
ORGPL TYPE STRING,
MITARB TYPE STRING,
ORGDO TYPE STRING,
SDLID TYPE STRING,
ERDAT TYPE STRING,
ERTIM TYPE STRING,
ERUSR TYPE STRING,
UPDAT TYPE STRING,
UPTIM TYPE STRING,
UPUSR TYPE STRING,
STORN TYPE STRING,
STOID TYPE STRING,
STDAT TYPE STRING,
STTIM TYPE STRING,
STUSR TYPE STRING,
BCPEXTID TYPE STRING,
BCPNAME TYPE STRING,
STATUS_EXTID TYPE STRING,
STATUS_TEXT TYPE STRING,
STATUS_ICON TYPE STRING,
N1STOTX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RN2CLIM_PLD_COMPLETE_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_RN2CLIM_PLD_COMPLETE_STR-PLDID sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-MTYPE sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-STATUS sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-EINRI sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-PATNR sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-PAPID sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-BCHID sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-BCPID sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-PLDTIMESTAMP sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-CYDEFID sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-ORGPL sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-MITARB sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-ORGDO sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-SDLID sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-ERDAT sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-ERTIM sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-ERUSR sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-UPDAT sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-UPTIM sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-UPUSR sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-STORN sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-STOID sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-STDAT sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-STTIM sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-STUSR sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-BCPEXTID sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-BCPNAME sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-STATUS_EXTID sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-STATUS_TEXT sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-STATUS_ICON sy-vline 
WA_RN2CLIM_PLD_COMPLETE_STR-N1STOTX sy-vline      INTO ld_text SEPARATED BY SPACE.

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