ABAP Select data from SAP table EEDM_ISU_OBJECTS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EEDM_ISU_OBJECTS
*  INTO TABLE @DATA(IT_EEDM_ISU_OBJECTS2).
*--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_EEDM_ISU_OBJECTS INDEX 1 INTO DATA(WA_EEDM_ISU_OBJECTS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EEDM_ISU_OBJECTS>-KEYDATE = 1.
<EEDM_ISU_OBJECTS>-PARTNER = 1.
<EEDM_ISU_OBJECTS>-CONT_ACCT = 1.
<EEDM_ISU_OBJECTS>-CONTRACT = 1.
<EEDM_ISU_OBJECTS>-INSTALLATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EEDM_ISU_OBJECTS-PREMISE, sy-vline,
  WA_EEDM_ISU_OBJECTS-DEVICE, sy-vline,
  WA_EEDM_ISU_OBJECTS-REGISTER, sy-vline,
  WA_EEDM_ISU_OBJECTS-POD_INT, sy-vline,
  WA_EEDM_ISU_OBJECTS-POINTOFDELIVERY, sy-vline,
  WA_EEDM_ISU_OBJECTS-DEREG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EEDM_ISU_OBJECTS 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_EEDM_ISU_OBJECTS 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_EEDM_ISU_OBJECTS INTO WA_EEDM_ISU_OBJECTS.


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

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

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

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

*Conversion exit ALPHA, internal->external for field PREMISE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EEDM_ISU_OBJECTS-PREMISE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EEDM_ISU_OBJECTS-PREMISE.
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_EEDM_ISU_OBJECTS_STR, 
KEYDATE TYPE STRING,
PARTNER TYPE STRING,
CONT_ACCT TYPE STRING,
CONTRACT TYPE STRING,
INSTALLATION TYPE STRING,
PREMISE TYPE STRING,
DEVICE TYPE STRING,
REGISTER TYPE STRING,
POD_INT TYPE STRING,
POINTOFDELIVERY TYPE STRING,
DEREG TYPE STRING,
TECH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EEDM_ISU_OBJECTS_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_EEDM_ISU_OBJECTS_STR-KEYDATE sy-vline 
WA_EEDM_ISU_OBJECTS_STR-PARTNER sy-vline 
WA_EEDM_ISU_OBJECTS_STR-CONT_ACCT sy-vline 
WA_EEDM_ISU_OBJECTS_STR-CONTRACT sy-vline 
WA_EEDM_ISU_OBJECTS_STR-INSTALLATION sy-vline 
WA_EEDM_ISU_OBJECTS_STR-PREMISE sy-vline 
WA_EEDM_ISU_OBJECTS_STR-DEVICE sy-vline 
WA_EEDM_ISU_OBJECTS_STR-REGISTER sy-vline 
WA_EEDM_ISU_OBJECTS_STR-POD_INT sy-vline 
WA_EEDM_ISU_OBJECTS_STR-POINTOFDELIVERY sy-vline 
WA_EEDM_ISU_OBJECTS_STR-DEREG sy-vline 
WA_EEDM_ISU_OBJECTS_STR-TECH sy-vline      INTO ld_text SEPARATED BY SPACE.

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