ABAP Select data from SAP table EDOPENUMBERCI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EDOPENUMBERCI
*  INTO TABLE @DATA(IT_EDOPENUMBERCI2).
*--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_EDOPENUMBERCI INDEX 1 INTO DATA(WA_EDOPENUMBERCI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EDOPENUMBERCI>-MANDT = 1.
<EDOPENUMBERCI>-BUKRS = 1.
<EDOPENUMBERCI>-INV_PROCESS = 1.
<EDOPENUMBERCI>-INV_TYPE = 1.
<EDOPENUMBERCI>-INV_CATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EDOPENUMBERCI-CORRCAT, sy-vline,
  WA_EDOPENUMBERCI-VARKEY, sy-vline,
  WA_EDOPENUMBERCI-SERIES, sy-vline,
  WA_EDOPENUMBERCI-NRNR, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_EDOPENUMBERCI 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_EDOPENUMBERCI 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_EDOPENUMBERCI INTO WA_EDOPENUMBERCI.


*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_EDOPENUMBERCI_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
INV_PROCESS TYPE STRING,
INV_TYPE TYPE STRING,
INV_CATEGORY TYPE STRING,
CORRCAT TYPE STRING,
VARKEY TYPE STRING,
SERIES TYPE STRING,
NRNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EDOPENUMBERCI_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_EDOPENUMBERCI_STR-MANDT sy-vline 
WA_EDOPENUMBERCI_STR-BUKRS sy-vline 
WA_EDOPENUMBERCI_STR-INV_PROCESS sy-vline 
WA_EDOPENUMBERCI_STR-INV_TYPE sy-vline 
WA_EDOPENUMBERCI_STR-INV_CATEGORY sy-vline 
WA_EDOPENUMBERCI_STR-CORRCAT sy-vline 
WA_EDOPENUMBERCI_STR-VARKEY sy-vline 
WA_EDOPENUMBERCI_STR-SERIES sy-vline 
WA_EDOPENUMBERCI_STR-NRNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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