ABAP Select data from SAP table CMMS_EXPOSURE_SUBVAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMMS_EXPOSURE_SUBVAL
*  INTO TABLE @DATA(IT_CMMS_EXPOSURE_SUBVAL2).
*--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_CMMS_EXPOSURE_SUBVAL INDEX 1 INTO DATA(WA_CMMS_EXPOSURE_SUBVAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMMS_EXPOSURE_SUBVAL>-CMMDTYHEDGEPLANEXPOSUREDCSID = 1.
<CMMS_EXPOSURE_SUBVAL>-CMMDTYHDGPLANEXPSRMKTIDCODE = 1.
<CMMS_EXPOSURE_SUBVAL>-CMMDTYHDGPLANEXPOSUREDIRECTION = 1.
<CMMS_EXPOSURE_SUBVAL>-CMMDTYHDGPLNEXPSRHEDGINGAREA = 1.
<CMMS_EXPOSURE_SUBVAL>-CMMDTYHDGPLANEXPOSUREHEDGEBOOK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMMS_EXPOSURE_SUBVAL-CMMDTYHDGPLNEXPSRBUSINESSAREA, sy-vline,
  WA_CMMS_EXPOSURE_SUBVAL-CMMDTYHDGPLNEXPSRVALIDFROMDATE, sy-vline,
  WA_CMMS_EXPOSURE_SUBVAL-CMMDTYHDGPLANEXPOSUREPORTFOLIO, sy-vline,
  WA_CMMS_EXPOSURE_SUBVAL-CMMDTYHDGPLNEXPSRPROFITCENTER, sy-vline,
  WA_CMMS_EXPOSURE_SUBVAL-CMMDTYHDGPLNEXPOSURECOSTCENTER, sy-vline,
  WA_CMMS_EXPOSURE_SUBVAL-CMMDTYHEDGEPLANEXPOSUREPLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMMS_EXPOSURE_SUBVAL 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_CMMS_EXPOSURE_SUBVAL 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_CMMS_EXPOSURE_SUBVAL INTO WA_CMMS_EXPOSURE_SUBVAL.


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

*Conversion exit ALPHA, internal->external for field CMMDTYHDGPLNEXPOSURECOSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMMS_EXPOSURE_SUBVAL-CMMDTYHDGPLNEXPOSURECOSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMMS_EXPOSURE_SUBVAL-CMMDTYHDGPLNEXPOSURECOSTCENTER.
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_CMMS_EXPOSURE_SUBVAL_STR, 
CMMDTYHEDGEPLANEXPOSUREDCSID TYPE STRING,
CMMDTYHDGPLANEXPSRMKTIDCODE TYPE STRING,
CMMDTYHDGPLANEXPOSUREDIRECTION TYPE STRING,
CMMDTYHDGPLNEXPSRHEDGINGAREA TYPE STRING,
CMMDTYHDGPLANEXPOSUREHEDGEBOOK TYPE STRING,
CMMDTYHDGPLNEXPSRBUSINESSAREA TYPE STRING,
CMMDTYHDGPLNEXPSRVALIDFROMDATE TYPE STRING,
CMMDTYHDGPLANEXPOSUREPORTFOLIO TYPE STRING,
CMMDTYHDGPLNEXPSRPROFITCENTER TYPE STRING,
CMMDTYHDGPLNEXPOSURECOSTCENTER TYPE STRING,
CMMDTYHEDGEPLANEXPOSUREPLANT TYPE STRING,
CMMDTYHDGPLNEXPSRISACCTGRLVT TYPE STRING,
CMMDTYHDGPLNEXPOSUREREMARKNOTE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMMS_EXPOSURE_SUBVAL_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_CMMS_EXPOSURE_SUBVAL_STR-CMMDTYHEDGEPLANEXPOSUREDCSID sy-vline 
WA_CMMS_EXPOSURE_SUBVAL_STR-CMMDTYHDGPLANEXPSRMKTIDCODE sy-vline 
WA_CMMS_EXPOSURE_SUBVAL_STR-CMMDTYHDGPLANEXPOSUREDIRECTION sy-vline 
WA_CMMS_EXPOSURE_SUBVAL_STR-CMMDTYHDGPLNEXPSRHEDGINGAREA sy-vline 
WA_CMMS_EXPOSURE_SUBVAL_STR-CMMDTYHDGPLANEXPOSUREHEDGEBOOK sy-vline 
WA_CMMS_EXPOSURE_SUBVAL_STR-CMMDTYHDGPLNEXPSRBUSINESSAREA sy-vline 
WA_CMMS_EXPOSURE_SUBVAL_STR-CMMDTYHDGPLNEXPSRVALIDFROMDATE sy-vline 
WA_CMMS_EXPOSURE_SUBVAL_STR-CMMDTYHDGPLANEXPOSUREPORTFOLIO sy-vline 
WA_CMMS_EXPOSURE_SUBVAL_STR-CMMDTYHDGPLNEXPSRPROFITCENTER sy-vline 
WA_CMMS_EXPOSURE_SUBVAL_STR-CMMDTYHDGPLNEXPOSURECOSTCENTER sy-vline 
WA_CMMS_EXPOSURE_SUBVAL_STR-CMMDTYHEDGEPLANEXPOSUREPLANT sy-vline 
WA_CMMS_EXPOSURE_SUBVAL_STR-CMMDTYHDGPLNEXPSRISACCTGRLVT sy-vline 
WA_CMMS_EXPOSURE_SUBVAL_STR-CMMDTYHDGPLNEXPOSUREREMARKNOTE sy-vline      INTO ld_text SEPARATED BY SPACE.

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