ABAP Select data from SAP table ICL_DAAG_OMNI_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_DAAG_OMNI_S
*  INTO TABLE @DATA(IT_ICL_DAAG_OMNI_S2).
*--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_ICL_DAAG_OMNI_S INDEX 1 INTO DATA(WA_ICL_DAAG_OMNI_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_DAAG_OMNI_S>-TABNAME = 1.
<ICL_DAAG_OMNI_S>-_DATAAGING = 1.
<ICL_DAAG_OMNI_S>-CLIENT = 1.
<ICL_DAAG_OMNI_S>-ACTIVE = 1.
<ICL_DAAG_OMNI_S>-CLAIM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_DAAG_OMNI_S-SUBCLAIM, sy-vline,
  WA_ICL_DAAG_OMNI_S-CHANGETIME, sy-vline,
  WA_ICL_DAAG_OMNI_S-ACTNUMBER, sy-vline,
  WA_ICL_DAAG_OMNI_S-POLVNR, sy-vline,
  WA_ICL_DAAG_OMNI_S-COVERAGE, sy-vline,
  WA_ICL_DAAG_OMNI_S-PAYMENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_DAAG_OMNI_S 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_ICL_DAAG_OMNI_S 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_ICL_DAAG_OMNI_S INTO WA_ICL_DAAG_OMNI_S.


*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 CLAIM, internal->external for field CLAIM
CALL FUNCTION 'CONVERSION_EXIT_CLAIM_OUTPUT'
  EXPORTING
    input =                      WA_ICL_DAAG_OMNI_S-CLAIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_DAAG_OMNI_S-CLAIM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTAM, internal->external for field CHANGETIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICL_DAAG_OMNI_S-CHANGETIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_DAAG_OMNI_S-CHANGETIME.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field BPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_DAAG_OMNI_S-BPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_DAAG_OMNI_S-BPARTNER.
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_ICL_DAAG_OMNI_S_STR, 
TABNAME TYPE STRING,
_DATAAGING TYPE STRING,
CLIENT TYPE STRING,
ACTIVE TYPE STRING,
CLAIM TYPE STRING,
SUBCLAIM TYPE STRING,
CHANGETIME TYPE STRING,
ACTNUMBER TYPE STRING,
POLVNR TYPE STRING,
COVERAGE TYPE STRING,
PAYMENT TYPE STRING,
PAYMENTITEM TYPE STRING,
OBJYR TYPE STRING,
OBJNO TYPE STRING,
PARTICIPANT TYPE STRING,
SUBOBJCAT TYPE STRING,
SUBOBJECT TYPE STRING,
ROLE TYPE STRING,
BPARTNER TYPE STRING,
ITEM TYPE STRING,
EVALUATION TYPE STRING,
PROCUREMENT TYPE STRING,
PATIENT TYPE STRING,
DIAGNO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_DAAG_OMNI_S_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_ICL_DAAG_OMNI_S_STR-TABNAME sy-vline 
WA_ICL_DAAG_OMNI_S_STR-_DATAAGING sy-vline 
WA_ICL_DAAG_OMNI_S_STR-CLIENT sy-vline 
WA_ICL_DAAG_OMNI_S_STR-ACTIVE sy-vline 
WA_ICL_DAAG_OMNI_S_STR-CLAIM sy-vline 
WA_ICL_DAAG_OMNI_S_STR-SUBCLAIM sy-vline 
WA_ICL_DAAG_OMNI_S_STR-CHANGETIME sy-vline 
WA_ICL_DAAG_OMNI_S_STR-ACTNUMBER sy-vline 
WA_ICL_DAAG_OMNI_S_STR-POLVNR sy-vline 
WA_ICL_DAAG_OMNI_S_STR-COVERAGE sy-vline 
WA_ICL_DAAG_OMNI_S_STR-PAYMENT sy-vline 
WA_ICL_DAAG_OMNI_S_STR-PAYMENTITEM sy-vline 
WA_ICL_DAAG_OMNI_S_STR-OBJYR sy-vline 
WA_ICL_DAAG_OMNI_S_STR-OBJNO sy-vline 
WA_ICL_DAAG_OMNI_S_STR-PARTICIPANT sy-vline 
WA_ICL_DAAG_OMNI_S_STR-SUBOBJCAT sy-vline 
WA_ICL_DAAG_OMNI_S_STR-SUBOBJECT sy-vline 
WA_ICL_DAAG_OMNI_S_STR-ROLE sy-vline 
WA_ICL_DAAG_OMNI_S_STR-BPARTNER sy-vline 
WA_ICL_DAAG_OMNI_S_STR-ITEM sy-vline 
WA_ICL_DAAG_OMNI_S_STR-EVALUATION sy-vline 
WA_ICL_DAAG_OMNI_S_STR-PROCUREMENT sy-vline 
WA_ICL_DAAG_OMNI_S_STR-PATIENT sy-vline 
WA_ICL_DAAG_OMNI_S_STR-DIAGNO sy-vline      INTO ld_text SEPARATED BY SPACE.

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