ABAP Select data from SAP table ODATA_MM_IM_ACT_PI_TRIG_RCNT_I into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ODATA_MM_IM_ACT_PI_TRIG_RCNT_I
*  INTO TABLE @DATA(IT_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I2).
*--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_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I INDEX 1 INTO DATA(WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ODATA_MM_IM_ACT_PI_TRIG_RCNT_I>-PHYSICALINVENTORYDOCUMENT = 1.
<ODATA_MM_IM_ACT_PI_TRIG_RCNT_I>-FISCALYEAR = 1.
<ODATA_MM_IM_ACT_PI_TRIG_RCNT_I>-PHYSICALINVENTORYDOCUMENTITEM = 1.
<ODATA_MM_IM_ACT_PI_TRIG_RCNT_I>-PHYSINVENTORYPLANNEDCOUNTDATE = 1.
<ODATA_MM_IM_ACT_PI_TRIG_RCNT_I>-DOCUMENTDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I-PHYSINVENTORYREFERENCENUMBER, sy-vline,
  WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I-PHYSICALINVENTORYNUMBER, sy-vline,
  WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I-PHYSICALINVENTORYDOCUMENTDESC, sy-vline,
  WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I-PHYSINVTRYDOCHASQTYSNAPSHOT, sy-vline,
  WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I-POSTINGISBLOCKEDFORPHYSINVTRY, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I 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_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I 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_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I INTO WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I.


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

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I-FISCALYEAR.
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_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I_STR, 
PHYSICALINVENTORYDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
PHYSICALINVENTORYDOCUMENTITEM TYPE STRING,
PHYSINVENTORYPLANNEDCOUNTDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
PHYSINVENTORYREFERENCENUMBER TYPE STRING,
PHYSICALINVENTORYNUMBER TYPE STRING,
PHYSICALINVENTORYDOCUMENTDESC TYPE STRING,
PHYSINVTRYDOCHASQTYSNAPSHOT TYPE STRING,
POSTINGISBLOCKEDFORPHYSINVTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I_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_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I_STR-PHYSICALINVENTORYDOCUMENT sy-vline 
WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I_STR-FISCALYEAR sy-vline 
WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I_STR-PHYSICALINVENTORYDOCUMENTITEM sy-vline 
WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I_STR-PHYSINVENTORYPLANNEDCOUNTDATE sy-vline 
WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I_STR-DOCUMENTDATE sy-vline 
WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I_STR-PHYSINVENTORYREFERENCENUMBER sy-vline 
WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I_STR-PHYSICALINVENTORYNUMBER sy-vline 
WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I_STR-PHYSICALINVENTORYDOCUMENTDESC sy-vline 
WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I_STR-PHYSINVTRYDOCHASQTYSNAPSHOT sy-vline 
WA_ODATA_MM_IM_ACT_PI_TRIG_RCNT_I_STR-POSTINGISBLOCKEDFORPHYSINVTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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