ABAP Select data from SAP table /PLMI/VECR_CI_DIR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PLMI/VECR_CI_DIR 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 /PLMI/VECR_CI_DIR. 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 /PLMI/VECR_CI_DIR 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_/PLMI/VECR_CI_DIR TYPE STANDARD TABLE OF /PLMI/VECR_CI_DIR,
      WA_/PLMI/VECR_CI_DIR TYPE /PLMI/VECR_CI_DIR,
      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: </PLMI/VECR_CI_DIR> TYPE /PLMI/VECR_CI_DIR.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PLMI/VECR_CI_DIR
  INTO TABLE IT_/PLMI/VECR_CI_DIR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMI/VECR_CI_DIR
*  INTO TABLE @DATA(IT_/PLMI/VECR_CI_DIR2).
*--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_/PLMI/VECR_CI_DIR INDEX 1 INTO DATA(WA_/PLMI/VECR_CI_DIR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PLMI/VECR_CI_DIR ASSIGNING </PLMI/VECR_CI_DIR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMI/VECR_CI_DIR>-MANDT = 1.
</PLMI/VECR_CI_DIR>-ER_GUID = 1.
</PLMI/VECR_CI_DIR>-INTERNAL_ID = 1.
</PLMI/VECR_CI_DIR>-INTERNAL_KEY = 1.
</PLMI/VECR_CI_DIR>-CHANGE_RELEVANT = 1.

ENDLOOP.

LOOP AT IT_/PLMI/VECR_CI_DIR INTO WA_/PLMI/VECR_CI_DIR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMI/VECR_CI_DIR-OBJECT_GROUP, sy-vline,
  WA_/PLMI/VECR_CI_DIR-MATERIAL_COST_CHANGE, sy-vline,
  WA_/PLMI/VECR_CI_DIR-ENGINEERING_COST, sy-vline,
  WA_/PLMI/VECR_CI_DIR-INVESTMENT, sy-vline,
  WA_/PLMI/VECR_CI_DIR-OBJECT_STATUS, sy-vline,
  WA_/PLMI/VECR_CI_DIR-CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMI/VECR_CI_DIR 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_/PLMI/VECR_CI_DIR 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_/PLMI/VECR_CI_DIR INTO WA_/PLMI/VECR_CI_DIR.


*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 NEW_CHANGE_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMI/VECR_CI_DIR-NEW_CHANGE_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMI/VECR_CI_DIR-NEW_CHANGE_NO.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field DOCUMENTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMI/VECR_CI_DIR-DOCUMENTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMI/VECR_CI_DIR-DOCUMENTNUMBER.
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_/PLMI/VECR_CI_DIR_STR, 
MANDT TYPE STRING,
ER_GUID TYPE STRING,
INTERNAL_ID TYPE STRING,
INTERNAL_KEY TYPE STRING,
CHANGE_RELEVANT TYPE STRING,
OBJECT_GROUP TYPE STRING,
MATERIAL_COST_CHANGE TYPE STRING,
ENGINEERING_COST TYPE STRING,
INVESTMENT TYPE STRING,
OBJECT_STATUS TYPE STRING,
CURRENCY TYPE STRING,
NEW_CHANGE_NO TYPE STRING,
NEW_DOCUMENTTYPE TYPE STRING,
NEW_DOCUMENTNUMBER TYPE STRING,
NEW_DOCUMENTPART TYPE STRING,
NEW_DOCUMENTVERSION TYPE STRING,
NEW_STATUS TYPE STRING,
DUMMY1 TYPE STRING,
LASTMODUSER TYPE STRING,
LASTMODDATE TYPE STRING,
LASTMODTIME TYPE STRING,
DOCUMENTTYPE TYPE STRING,
DOCUMENTNUMBER TYPE STRING,
DOCUMENTPART TYPE STRING,
DOCUMENTVERSION TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMI/VECR_CI_DIR_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_/PLMI/VECR_CI_DIR_STR-MANDT sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-ER_GUID sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-INTERNAL_ID sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-INTERNAL_KEY sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-CHANGE_RELEVANT sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-OBJECT_GROUP sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-MATERIAL_COST_CHANGE sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-ENGINEERING_COST sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-INVESTMENT sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-OBJECT_STATUS sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-CURRENCY sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-NEW_CHANGE_NO sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-NEW_DOCUMENTTYPE sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-NEW_DOCUMENTNUMBER sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-NEW_DOCUMENTPART sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-NEW_DOCUMENTVERSION sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-NEW_STATUS sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-DUMMY1 sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-LASTMODUSER sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-LASTMODDATE sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-LASTMODTIME sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-DOCUMENTTYPE sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-DOCUMENTNUMBER sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-DOCUMENTPART sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-DOCUMENTVERSION sy-vline 
WA_/PLMI/VECR_CI_DIR_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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