ABAP Select data from SAP table COIJ06EVNOMIT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP COIJ06EVNOMIT 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 COIJ06EVNOMIT. 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 COIJ06EVNOMIT 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_COIJ06EVNOMIT TYPE STANDARD TABLE OF COIJ06EVNOMIT,
      WA_COIJ06EVNOMIT TYPE COIJ06EVNOMIT,
      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: <COIJ06EVNOMIT> TYPE COIJ06EVNOMIT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_COIJ06EVNOMIT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM COIJ06EVNOMIT
  INTO TABLE IT_COIJ06EVNOMIT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM COIJ06EVNOMIT
*  INTO TABLE @DATA(IT_COIJ06EVNOMIT2).
*--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_COIJ06EVNOMIT INDEX 1 INTO DATA(WA_COIJ06EVNOMIT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_COIJ06EVNOMIT ASSIGNING <COIJ06EVNOMIT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<COIJ06EVNOMIT>-MANDT = 1.
<COIJ06EVNOMIT>-NOMINATIONDOC = 1.
<COIJ06EVNOMIT>-NOMINATIONDOCITEM = 1.
<COIJ06EVNOMIT>-ORIGINCITYCODE = 1.
<COIJ06EVNOMIT>-DESTINATIONCITYCODE = 1.

ENDLOOP.

LOOP AT IT_COIJ06EVNOMIT INTO WA_COIJ06EVNOMIT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_COIJ06EVNOMIT-SCHEDULINGTYPE, sy-vline,
  WA_COIJ06EVNOMIT-BATCHORIGINLOCATION, sy-vline,
  WA_COIJ06EVNOMIT-BATCHDESTINATIONLOCATION, sy-vline,
  WA_COIJ06EVNOMIT-NOMINATIONSCHEDULEDATE, sy-vline,
  WA_COIJ06EVNOMIT-NOMINATIONDOCISBLOCKED, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_COIJ06EVNOMIT 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_COIJ06EVNOMIT 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_COIJ06EVNOMIT INTO WA_COIJ06EVNOMIT.


*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 NOMINATIONDOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_COIJ06EVNOMIT-NOMINATIONDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COIJ06EVNOMIT-NOMINATIONDOC.
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_COIJ06EVNOMIT_STR, 
MANDT TYPE STRING,
NOMINATIONDOC TYPE STRING,
NOMINATIONDOCITEM TYPE STRING,
ORIGINCITYCODE TYPE STRING,
DESTINATIONCITYCODE TYPE STRING,
SCHEDULINGTYPE TYPE STRING,
BATCHORIGINLOCATION TYPE STRING,
BATCHDESTINATIONLOCATION TYPE STRING,
NOMINATIONSCHEDULEDATE TYPE STRING,
NOMINATIONDOCISBLOCKED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_COIJ06EVNOMIT_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_COIJ06EVNOMIT_STR-MANDT sy-vline 
WA_COIJ06EVNOMIT_STR-NOMINATIONDOC sy-vline 
WA_COIJ06EVNOMIT_STR-NOMINATIONDOCITEM sy-vline 
WA_COIJ06EVNOMIT_STR-ORIGINCITYCODE sy-vline 
WA_COIJ06EVNOMIT_STR-DESTINATIONCITYCODE sy-vline 
WA_COIJ06EVNOMIT_STR-SCHEDULINGTYPE sy-vline 
WA_COIJ06EVNOMIT_STR-BATCHORIGINLOCATION sy-vline 
WA_COIJ06EVNOMIT_STR-BATCHDESTINATIONLOCATION sy-vline 
WA_COIJ06EVNOMIT_STR-NOMINATIONSCHEDULEDATE sy-vline 
WA_COIJ06EVNOMIT_STR-NOMINATIONDOCISBLOCKED sy-vline      INTO ld_text SEPARATED BY SPACE.

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