ABAP Select data from SAP table IENVAMNSOVRVIEW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IENVAMNSOVRVIEW
*  INTO TABLE @DATA(IT_IENVAMNSOVRVIEW2).
*--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_IENVAMNSOVRVIEW INDEX 1 INTO DATA(WA_IENVAMNSOVRVIEW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IENVAMNSOVRVIEW>-MANDT = 1.
<IENVAMNSOVRVIEW>-BUSINESSAREA = 1.
<IENVAMNSOVRVIEW>-COUNTRY = 1.
<IENVAMNSOVRVIEW>-REGION = 1.
<IENVAMNSOVRVIEW>-DATAUSAGEPERIODICITY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IENVAMNSOVRVIEW-EHSAMOUNTSOURCETYPE, sy-vline,
  WA_IENVAMNSOVRVIEW-EHSAMOUNTSOURCETYPENAME, sy-vline,
  WA_IENVAMNSOVRVIEW-EHSAMOUNTUTCDATETIME, sy-vline,
  WA_IENVAMNSOVRVIEW-EHSAMOUNTUTCDATE, sy-vline,
  WA_IENVAMNSOVRVIEW-EHSAMOUNTUUID, sy-vline,
  WA_IENVAMNSOVRVIEW-EHSLOCATIONNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IENVAMNSOVRVIEW 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_IENVAMNSOVRVIEW 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_IENVAMNSOVRVIEW INTO WA_IENVAMNSOVRVIEW.


*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 DFVAL, internal->external for field EHSAMOUNTSOURCETYPE
CALL FUNCTION 'CONVERSION_EXIT_DFVAL_OUTPUT'
  EXPORTING
    input =                      WA_IENVAMNSOVRVIEW-EHSAMOUNTSOURCETYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IENVAMNSOVRVIEW-EHSAMOUNTSOURCETYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHUNI, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_EHUNI_OUTPUT'
  EXPORTING
    input =                      WA_IENVAMNSOVRVIEW-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IENVAMNSOVRVIEW-UNITOFMEASURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CHFLT, internal->external for field EHSAMOUNTVALUE
CALL FUNCTION 'CONVERSION_EXIT_CHFLT_OUTPUT'
  EXPORTING
    input =                      WA_IENVAMNSOVRVIEW-EHSAMOUNTVALUE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IENVAMNSOVRVIEW-EHSAMOUNTVALUE.
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_IENVAMNSOVRVIEW_STR, 
MANDT TYPE STRING,
BUSINESSAREA TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
DATAUSAGEPERIODICITY TYPE STRING,
EHSAMOUNTSOURCETYPE TYPE STRING,
EHSAMOUNTSOURCETYPENAME TYPE STRING,
EHSAMOUNTUTCDATETIME TYPE STRING,
EHSAMOUNTUTCDATE TYPE STRING,
EHSAMOUNTUUID TYPE STRING,
EHSLOCATIONNAME TYPE STRING,
EHSLOCATIONTYPE TYPE STRING,
EHSLOCATIONUUID TYPE STRING,
EHSSUBJECTTYPE TYPE STRING,
EHSSUBJECTUUID TYPE STRING,
DATAPERIODNAME TYPE STRING,
PLANT TYPE STRING,
UNITOFMEASURENAME TYPE STRING,
UNITOFMEASURE TYPE STRING,
EHSSUBJECTNAME TYPE STRING,
NUMBEROFRECORDS TYPE STRING,
EHSAMOUNTVALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IENVAMNSOVRVIEW_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_IENVAMNSOVRVIEW_STR-MANDT sy-vline 
WA_IENVAMNSOVRVIEW_STR-BUSINESSAREA sy-vline 
WA_IENVAMNSOVRVIEW_STR-COUNTRY sy-vline 
WA_IENVAMNSOVRVIEW_STR-REGION sy-vline 
WA_IENVAMNSOVRVIEW_STR-DATAUSAGEPERIODICITY sy-vline 
WA_IENVAMNSOVRVIEW_STR-EHSAMOUNTSOURCETYPE sy-vline 
WA_IENVAMNSOVRVIEW_STR-EHSAMOUNTSOURCETYPENAME sy-vline 
WA_IENVAMNSOVRVIEW_STR-EHSAMOUNTUTCDATETIME sy-vline 
WA_IENVAMNSOVRVIEW_STR-EHSAMOUNTUTCDATE sy-vline 
WA_IENVAMNSOVRVIEW_STR-EHSAMOUNTUUID sy-vline 
WA_IENVAMNSOVRVIEW_STR-EHSLOCATIONNAME sy-vline 
WA_IENVAMNSOVRVIEW_STR-EHSLOCATIONTYPE sy-vline 
WA_IENVAMNSOVRVIEW_STR-EHSLOCATIONUUID sy-vline 
WA_IENVAMNSOVRVIEW_STR-EHSSUBJECTTYPE sy-vline 
WA_IENVAMNSOVRVIEW_STR-EHSSUBJECTUUID sy-vline 
WA_IENVAMNSOVRVIEW_STR-DATAPERIODNAME sy-vline 
WA_IENVAMNSOVRVIEW_STR-PLANT sy-vline 
WA_IENVAMNSOVRVIEW_STR-UNITOFMEASURENAME sy-vline 
WA_IENVAMNSOVRVIEW_STR-UNITOFMEASURE sy-vline 
WA_IENVAMNSOVRVIEW_STR-EHSSUBJECTNAME sy-vline 
WA_IENVAMNSOVRVIEW_STR-NUMBEROFRECORDS sy-vline 
WA_IENVAMNSOVRVIEW_STR-EHSAMOUNTVALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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