ABAP Select data from SAP table INOTIFCAUSEDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM INOTIFCAUSEDATA
*  INTO TABLE @DATA(IT_INOTIFCAUSEDATA2).
*--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_INOTIFCAUSEDATA INDEX 1 INTO DATA(WA_INOTIFCAUSEDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<INOTIFCAUSEDATA>-MANDT = 1.
<INOTIFCAUSEDATA>-MAINTENANCENOTIFICATIONCAUSE = 1.
<INOTIFCAUSEDATA>-MAINTENANCENOTIFICATION = 1.
<INOTIFCAUSEDATA>-MAINTENANCENOTIFICATIONITEM = 1.
<INOTIFCAUSEDATA>-MAINTNOTIFCAUSETEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_INOTIFCAUSEDATA-MAINTNOTIFICATIONCAUSECODE, sy-vline,
  WA_INOTIFCAUSEDATA-MAINTNOTIFCAUSECODEGROUP, sy-vline,
  WA_INOTIFCAUSEDATA-MAINTNOTIFCAUSECODECATALOG, sy-vline,
  WA_INOTIFCAUSEDATA-ISDELETED, sy-vline,
  WA_INOTIFCAUSEDATA-LASTCHANGEDATETIME, sy-vline,
  WA_INOTIFCAUSEDATA-ASSEMBLYHEADER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_INOTIFCAUSEDATA 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_INOTIFCAUSEDATA 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_INOTIFCAUSEDATA INTO WA_INOTIFCAUSEDATA.


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

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

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

*Conversion exit TPLNR, internal->external for field FUNCTIONALLOCATION
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_INOTIFCAUSEDATA-FUNCTIONALLOCATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_INOTIFCAUSEDATA-FUNCTIONALLOCATION.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field ASSEMBLY
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_INOTIFCAUSEDATA-ASSEMBLY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_INOTIFCAUSEDATA-ASSEMBLY.
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_INOTIFCAUSEDATA_STR, 
MANDT TYPE STRING,
MAINTENANCENOTIFICATIONCAUSE TYPE STRING,
MAINTENANCENOTIFICATION TYPE STRING,
MAINTENANCENOTIFICATIONITEM TYPE STRING,
MAINTNOTIFCAUSETEXT TYPE STRING,
MAINTNOTIFICATIONCAUSECODE TYPE STRING,
MAINTNOTIFCAUSECODEGROUP TYPE STRING,
MAINTNOTIFCAUSECODECATALOG TYPE STRING,
ISDELETED TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
ASSEMBLYHEADER TYPE STRING,
EQUIPMENT TYPE STRING,
FUNCTIONALLOCATION TYPE STRING,
MAINTENANCEPLANNINGPLANT TYPE STRING,
MAINTENANCEPLANNERGROUP TYPE STRING,
MAINTENANCEPLANT TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COSTCENTER TYPE STRING,
NOTIFICATIONORIGIN TYPE STRING,
NOTIFICATIONTYPE TYPE STRING,
NOTIFICATIONCREATIONDATE TYPE STRING,
ASSEMBLY TYPE STRING,
MAINTNOTIFDAMAGECODECATALOG TYPE STRING,
MAINTNOTIFICATIONDAMAGECODE TYPE STRING,
MAINTNOTIFDAMAGECODEGROUP TYPE STRING,
DEFECTCLASS TYPE STRING,
MAINTNOTIFOBJPRTCODE TYPE STRING,
MAINTNOTIFOBJPRTCODEGROUP TYPE STRING,
MAINTNOTIFOBJPRTCODECATALOG TYPE STRING,
NUMBEROFMAINTNOTIFCAUSES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_INOTIFCAUSEDATA_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_INOTIFCAUSEDATA_STR-MANDT sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTENANCENOTIFICATIONCAUSE sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTENANCENOTIFICATION sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTENANCENOTIFICATIONITEM sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTNOTIFCAUSETEXT sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTNOTIFICATIONCAUSECODE sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTNOTIFCAUSECODEGROUP sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTNOTIFCAUSECODECATALOG sy-vline 
WA_INOTIFCAUSEDATA_STR-ISDELETED sy-vline 
WA_INOTIFCAUSEDATA_STR-LASTCHANGEDATETIME sy-vline 
WA_INOTIFCAUSEDATA_STR-ASSEMBLYHEADER sy-vline 
WA_INOTIFCAUSEDATA_STR-EQUIPMENT sy-vline 
WA_INOTIFCAUSEDATA_STR-FUNCTIONALLOCATION sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTENANCEPLANNINGPLANT sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTENANCEPLANNERGROUP sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTENANCEPLANT sy-vline 
WA_INOTIFCAUSEDATA_STR-CONTROLLINGAREA sy-vline 
WA_INOTIFCAUSEDATA_STR-COSTCENTER sy-vline 
WA_INOTIFCAUSEDATA_STR-NOTIFICATIONORIGIN sy-vline 
WA_INOTIFCAUSEDATA_STR-NOTIFICATIONTYPE sy-vline 
WA_INOTIFCAUSEDATA_STR-NOTIFICATIONCREATIONDATE sy-vline 
WA_INOTIFCAUSEDATA_STR-ASSEMBLY sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTNOTIFDAMAGECODECATALOG sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTNOTIFICATIONDAMAGECODE sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTNOTIFDAMAGECODEGROUP sy-vline 
WA_INOTIFCAUSEDATA_STR-DEFECTCLASS sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTNOTIFOBJPRTCODE sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTNOTIFOBJPRTCODEGROUP sy-vline 
WA_INOTIFCAUSEDATA_STR-MAINTNOTIFOBJPRTCODECATALOG sy-vline 
WA_INOTIFCAUSEDATA_STR-NUMBEROFMAINTNOTIFCAUSES sy-vline      INTO ld_text SEPARATED BY SPACE.

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