ABAP Select data from SAP table IOIJ06EVMAIN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IOIJ06EVMAIN 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 IOIJ06EVMAIN. 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 IOIJ06EVMAIN 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_IOIJ06EVMAIN TYPE STANDARD TABLE OF IOIJ06EVMAIN,
      WA_IOIJ06EVMAIN TYPE IOIJ06EVMAIN,
      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: <IOIJ06EVMAIN> TYPE IOIJ06EVMAIN.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IOIJ06EVMAIN.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IOIJ06EVMAIN
  INTO TABLE IT_IOIJ06EVMAIN.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IOIJ06EVMAIN
*  INTO TABLE @DATA(IT_IOIJ06EVMAIN2).
*--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_IOIJ06EVMAIN INDEX 1 INTO DATA(WA_IOIJ06EVMAIN2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IOIJ06EVMAIN ASSIGNING <IOIJ06EVMAIN>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IOIJ06EVMAIN>-MANDT = 1.
<IOIJ06EVMAIN>-NOMINATIONDOC = 1.
<IOIJ06EVMAIN>-NOMINATIONDOCITEM = 1.
<IOIJ06EVMAIN>-NOMINATIONEVENTNUMBER = 1.
<IOIJ06EVMAIN>-NOMINATIONEVENTTYPE = 1.

ENDLOOP.

LOOP AT IT_IOIJ06EVMAIN INTO WA_IOIJ06EVMAIN.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IOIJ06EVMAIN-NOMINATIONEVENTSEQUENCE, sy-vline,
  WA_IOIJ06EVMAIN-NOMINATIONEVENTCHANGEDDATE, sy-vline,
  WA_IOIJ06EVMAIN-NOMINATIONEVENTCHANGEDTIME, sy-vline,
  WA_IOIJ06EVMAIN-EVENTCREATIONTIME, sy-vline,
  WA_IOIJ06EVMAIN-EVENTCREATIONDATE, sy-vline,
  WA_IOIJ06EVMAIN-PLANNEDSTARTDATEFROM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IOIJ06EVMAIN 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_IOIJ06EVMAIN 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_IOIJ06EVMAIN INTO WA_IOIJ06EVMAIN.


*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_IOIJ06EVMAIN-NOMINATIONDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IOIJ06EVMAIN-NOMINATIONDOC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NOMINATIONEVENTSEQUENCE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IOIJ06EVMAIN-NOMINATIONEVENTSEQUENCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IOIJ06EVMAIN-NOMINATIONEVENTSEQUENCE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SCHEDULEDQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IOIJ06EVMAIN-SCHEDULEDQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IOIJ06EVMAIN-SCHEDULEDQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field SCHEDULEDMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_IOIJ06EVMAIN-SCHEDULEDMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IOIJ06EVMAIN-SCHEDULEDMATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOCATIONPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IOIJ06EVMAIN-LOCATIONPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IOIJ06EVMAIN-LOCATIONPARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BERTHIDENTIFIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IOIJ06EVMAIN-BERTHIDENTIFIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IOIJ06EVMAIN-BERTHIDENTIFIER.
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_IOIJ06EVMAIN_STR, 
MANDT TYPE STRING,
NOMINATIONDOC TYPE STRING,
NOMINATIONDOCITEM TYPE STRING,
NOMINATIONEVENTNUMBER TYPE STRING,
NOMINATIONEVENTTYPE TYPE STRING,
NOMINATIONEVENTSEQUENCE TYPE STRING,
NOMINATIONEVENTCHANGEDDATE TYPE STRING,
NOMINATIONEVENTCHANGEDTIME TYPE STRING,
EVENTCREATIONTIME TYPE STRING,
EVENTCREATIONDATE TYPE STRING,
PLANNEDSTARTDATEFROM TYPE STRING,
PLANNEDSTARTTIMEFROM TYPE STRING,
PLANNEDSTARTDATETO TYPE STRING,
PLANNEDSTARTTIMETO TYPE STRING,
PLANNEDENDDATEFROM TYPE STRING,
PLANNEDENDTIMEFROM TYPE STRING,
NOMINATIONEXTNUMBER TYPE STRING,
PLANNEDENDDATETO TYPE STRING,
PLANNEDENDTIMETO TYPE STRING,
ACTUALSTARTDATEFROM TYPE STRING,
ACTUALSTARTTIMEFROM TYPE STRING,
ACTUALSTARTDATETO TYPE STRING,
ACTUALSTARTTIMETO TYPE STRING,
ACTUALENDDATEFROM TYPE STRING,
ACTUALENDTIMEFROM TYPE STRING,
ACTUALENDDATETO TYPE STRING,
ACTUALENDTIMETO TYPE STRING,
SCHEDULEDQUANTITY TYPE STRING,
NOMINATIONEXTDOCITEM TYPE STRING,
SCHEDULINGTYPE TYPE STRING,
MATERIALMOVEMENTTYPE TYPE STRING,
SCHEDULEDQUANTITYUNIT TYPE STRING,
LOCATIONID TYPE STRING,
LOCATIONNAME TYPE STRING,
TRANSPORTSYSTEM TYPE STRING,
TRANSPORTSYSTEMNAME TYPE STRING,
SCHEDULEDMATERIAL TYPE STRING,
MATERIALDESC TYPE STRING,
ORIGINCITYCODE TYPE STRING,
DESTINATIONCITYCODE TYPE STRING,
NOMINATIONSCHEDULEDATE TYPE STRING,
EVENTISUPDATED TYPE STRING,
NOMINATIONITEMSTATUS TYPE STRING,
VEHICLESEQUENCENUMBER TYPE STRING,
LOCATIONPARTNER TYPE STRING,
BERTHNUMBER TYPE STRING,
BERTHIDENTIFIER TYPE STRING,
NOMINATIONDOCISBLOCKED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IOIJ06EVMAIN_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_IOIJ06EVMAIN_STR-MANDT sy-vline 
WA_IOIJ06EVMAIN_STR-NOMINATIONDOC sy-vline 
WA_IOIJ06EVMAIN_STR-NOMINATIONDOCITEM sy-vline 
WA_IOIJ06EVMAIN_STR-NOMINATIONEVENTNUMBER sy-vline 
WA_IOIJ06EVMAIN_STR-NOMINATIONEVENTTYPE sy-vline 
WA_IOIJ06EVMAIN_STR-NOMINATIONEVENTSEQUENCE sy-vline 
WA_IOIJ06EVMAIN_STR-NOMINATIONEVENTCHANGEDDATE sy-vline 
WA_IOIJ06EVMAIN_STR-NOMINATIONEVENTCHANGEDTIME sy-vline 
WA_IOIJ06EVMAIN_STR-EVENTCREATIONTIME sy-vline 
WA_IOIJ06EVMAIN_STR-EVENTCREATIONDATE sy-vline 
WA_IOIJ06EVMAIN_STR-PLANNEDSTARTDATEFROM sy-vline 
WA_IOIJ06EVMAIN_STR-PLANNEDSTARTTIMEFROM sy-vline 
WA_IOIJ06EVMAIN_STR-PLANNEDSTARTDATETO sy-vline 
WA_IOIJ06EVMAIN_STR-PLANNEDSTARTTIMETO sy-vline 
WA_IOIJ06EVMAIN_STR-PLANNEDENDDATEFROM sy-vline 
WA_IOIJ06EVMAIN_STR-PLANNEDENDTIMEFROM sy-vline 
WA_IOIJ06EVMAIN_STR-NOMINATIONEXTNUMBER sy-vline 
WA_IOIJ06EVMAIN_STR-PLANNEDENDDATETO sy-vline 
WA_IOIJ06EVMAIN_STR-PLANNEDENDTIMETO sy-vline 
WA_IOIJ06EVMAIN_STR-ACTUALSTARTDATEFROM sy-vline 
WA_IOIJ06EVMAIN_STR-ACTUALSTARTTIMEFROM sy-vline 
WA_IOIJ06EVMAIN_STR-ACTUALSTARTDATETO sy-vline 
WA_IOIJ06EVMAIN_STR-ACTUALSTARTTIMETO sy-vline 
WA_IOIJ06EVMAIN_STR-ACTUALENDDATEFROM sy-vline 
WA_IOIJ06EVMAIN_STR-ACTUALENDTIMEFROM sy-vline 
WA_IOIJ06EVMAIN_STR-ACTUALENDDATETO sy-vline 
WA_IOIJ06EVMAIN_STR-ACTUALENDTIMETO sy-vline 
WA_IOIJ06EVMAIN_STR-SCHEDULEDQUANTITY sy-vline 
WA_IOIJ06EVMAIN_STR-NOMINATIONEXTDOCITEM sy-vline 
WA_IOIJ06EVMAIN_STR-SCHEDULINGTYPE sy-vline 
WA_IOIJ06EVMAIN_STR-MATERIALMOVEMENTTYPE sy-vline 
WA_IOIJ06EVMAIN_STR-SCHEDULEDQUANTITYUNIT sy-vline 
WA_IOIJ06EVMAIN_STR-LOCATIONID sy-vline 
WA_IOIJ06EVMAIN_STR-LOCATIONNAME sy-vline 
WA_IOIJ06EVMAIN_STR-TRANSPORTSYSTEM sy-vline 
WA_IOIJ06EVMAIN_STR-TRANSPORTSYSTEMNAME sy-vline 
WA_IOIJ06EVMAIN_STR-SCHEDULEDMATERIAL sy-vline 
WA_IOIJ06EVMAIN_STR-MATERIALDESC sy-vline 
WA_IOIJ06EVMAIN_STR-ORIGINCITYCODE sy-vline 
WA_IOIJ06EVMAIN_STR-DESTINATIONCITYCODE sy-vline 
WA_IOIJ06EVMAIN_STR-NOMINATIONSCHEDULEDATE sy-vline 
WA_IOIJ06EVMAIN_STR-EVENTISUPDATED sy-vline 
WA_IOIJ06EVMAIN_STR-NOMINATIONITEMSTATUS sy-vline 
WA_IOIJ06EVMAIN_STR-VEHICLESEQUENCENUMBER sy-vline 
WA_IOIJ06EVMAIN_STR-LOCATIONPARTNER sy-vline 
WA_IOIJ06EVMAIN_STR-BERTHNUMBER sy-vline 
WA_IOIJ06EVMAIN_STR-BERTHIDENTIFIER sy-vline 
WA_IOIJ06EVMAIN_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.