ABAP Select data from SAP table ICMACTCUBE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICMACTCUBE
*  INTO TABLE @DATA(IT_ICMACTCUBE2).
*--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_ICMACTCUBE INDEX 1 INTO DATA(WA_ICMACTCUBE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICMACTCUBE>-MANDT = 1.
<ICMACTCUBE>-CHGMGMTACTYUUID = 1.
<ICMACTCUBE>-CHGMGMTACTIVITY = 1.
<ICMACTCUBE>-CHGMGMTACTYCATEGORY = 1.
<ICMACTCUBE>-CHGMGMTREQDESCRIPTIONTEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICMACTCUBE-CHGMGMTREQUEST, sy-vline,
  WA_ICMACTCUBE-CHGMGMTACTYDESCTEXT, sy-vline,
  WA_ICMACTCUBE-CHGMGMTACTYTYPE, sy-vline,
  WA_ICMACTCUBE-CHGMGMTDIGITALSGNTRSTATUS, sy-vline,
  WA_ICMACTCUBE-CHGMGMTUSERSTATUSPROFILE, sy-vline,
  WA_ICMACTCUBE-CHGMGMTACTYSTATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICMACTCUBE 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_ICMACTCUBE 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_ICMACTCUBE INTO WA_ICMACTCUBE.


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

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

*Conversion exit ALPHA, internal->external for field CHGMGMTUSERSTATUS1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICMACTCUBE-CHGMGMTUSERSTATUS1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICMACTCUBE-CHGMGMTUSERSTATUS1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CHGMGMTUSERSTATUS2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICMACTCUBE-CHGMGMTUSERSTATUS2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICMACTCUBE-CHGMGMTUSERSTATUS2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CHGMGMTUSERSTATUS3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICMACTCUBE-CHGMGMTUSERSTATUS3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICMACTCUBE-CHGMGMTUSERSTATUS3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CHGMGMTUSERSTATUS4
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICMACTCUBE-CHGMGMTUSERSTATUS4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICMACTCUBE-CHGMGMTUSERSTATUS4.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CHGMGMTUSERSTATUS5
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICMACTCUBE-CHGMGMTUSERSTATUS5
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICMACTCUBE-CHGMGMTUSERSTATUS5.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field CHGMGMTREQIMPACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICMACTCUBE-CHGMGMTREQIMPACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICMACTCUBE-CHGMGMTREQIMPACT.
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_ICMACTCUBE_STR, 
MANDT TYPE STRING,
CHGMGMTACTYUUID TYPE STRING,
CHGMGMTACTIVITY TYPE STRING,
CHGMGMTACTYCATEGORY TYPE STRING,
CHGMGMTREQDESCRIPTIONTEXT TYPE STRING,
CHGMGMTREQUEST TYPE STRING,
CHGMGMTACTYDESCTEXT TYPE STRING,
CHGMGMTACTYTYPE TYPE STRING,
CHGMGMTDIGITALSGNTRSTATUS TYPE STRING,
CHGMGMTUSERSTATUSPROFILE TYPE STRING,
CHGMGMTACTYSTATUS TYPE STRING,
CHGMGMTUSERSTATUS1 TYPE STRING,
CHGMGMTUSERSTATUS2 TYPE STRING,
CHGMGMTUSERSTATUS3 TYPE STRING,
CHGMGMTUSERSTATUS4 TYPE STRING,
CHGMGMTUSERSTATUS5 TYPE STRING,
CHGMGMTACTYRESPONSIBLE TYPE STRING,
CHGMGMTACTYRESPISASSIGNED TYPE STRING,
CHGMGMTREQUUID TYPE STRING,
CHGMGMTACTYDUEDATE TYPE STRING,
CHGMGMTACTYDUEDATECRITICALITY TYPE STRING,
CHGMGMTACTYDUEDATETIME TYPE STRING,
CHGMGMTREQSTATUS TYPE STRING,
CHGMGMTREQTYPE TYPE STRING,
CHGMGMTREQLEADINGOBJECT TYPE STRING,
CHGMGMTREQLEADINGOBJTYPE TYPE STRING,
CHGMGMTREQLEADINGOBJNAME TYPE STRING,
CHGMGMTREQMAINPLANT TYPE STRING,
CHGMGMTREQMAINPLANTNAME TYPE STRING,
COUNTRY TYPE STRING,
CHGMGMTREQISEMERGENCY TYPE STRING,
CHGMGMTREQIMPACT TYPE STRING,
CHGMGMTREQDURATIONCODE TYPE STRING,
CHGMGMTREQCREATIONDATE TYPE STRING,
CHGMGMTREQCREATIONMONTH TYPE STRING,
CHGMGMTREQCREATIONYEAR TYPE STRING,
CHGMGMTREQREVERSALDATE TYPE STRING,
CHGMGMTREQREVERSALMONTH TYPE STRING,
CHGMGMTREQREVERSALYEAR TYPE STRING,
CHGMGMTREQAPPROVALDATE TYPE STRING,
CHGMGMTREQAPPROVALMONTH TYPE STRING,
CHGMGMTREQAPPROVALYEAR TYPE STRING,
CHGMGMTREQEXECSTARTDATE TYPE STRING,
CHGMGMTREQEXECSTARTMONTH TYPE STRING,
CHGMGMTREQEXECSTARTYEAR TYPE STRING,
CHGMGMTREQOPLSTARTDATE TYPE STRING,
CHGMGMTREQOPLSTARTMONTH TYPE STRING,
CHGMGMTREQOPLSTARTYEAR TYPE STRING,
CHGMGMTACTYISOVERDUE TYPE STRING,
CHGMGMTACTYDUEYEAR TYPE STRING,
CHGMGMTACTYDUEMONTH TYPE STRING,
NUMBEROFCHGMGMTACTIVITIES TYPE STRING,
CHGMGMTACTYAUTHORIZATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICMACTCUBE_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_ICMACTCUBE_STR-MANDT sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTACTYUUID sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTACTIVITY sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTACTYCATEGORY sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQDESCRIPTIONTEXT sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQUEST sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTACTYDESCTEXT sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTACTYTYPE sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTDIGITALSGNTRSTATUS sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTUSERSTATUSPROFILE sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTACTYSTATUS sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTUSERSTATUS1 sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTUSERSTATUS2 sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTUSERSTATUS3 sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTUSERSTATUS4 sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTUSERSTATUS5 sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTACTYRESPONSIBLE sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTACTYRESPISASSIGNED sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQUUID sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTACTYDUEDATE sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTACTYDUEDATECRITICALITY sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTACTYDUEDATETIME sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQSTATUS sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQTYPE sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQLEADINGOBJECT sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQLEADINGOBJTYPE sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQLEADINGOBJNAME sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQMAINPLANT sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQMAINPLANTNAME sy-vline 
WA_ICMACTCUBE_STR-COUNTRY sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQISEMERGENCY sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQIMPACT sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQDURATIONCODE sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQCREATIONDATE sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQCREATIONMONTH sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQCREATIONYEAR sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQREVERSALDATE sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQREVERSALMONTH sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQREVERSALYEAR sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQAPPROVALDATE sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQAPPROVALMONTH sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQAPPROVALYEAR sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQEXECSTARTDATE sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQEXECSTARTMONTH sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQEXECSTARTYEAR sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQOPLSTARTDATE sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQOPLSTARTMONTH sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTREQOPLSTARTYEAR sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTACTYISOVERDUE sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTACTYDUEYEAR sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTACTYDUEMONTH sy-vline 
WA_ICMACTCUBE_STR-NUMBEROFCHGMGMTACTIVITIES sy-vline 
WA_ICMACTCUBE_STR-CHGMGMTACTYAUTHORIZATIONGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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