ABAP Select data from SAP table IMPMYACTIES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMPMYACTIES
*  INTO TABLE @DATA(IT_IMPMYACTIES2).
*--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_IMPMYACTIES INDEX 1 INTO DATA(WA_IMPMYACTIES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMPMYACTIES>-MANDT = 1.
<IMPMYACTIES>-MASTERPROJECT = 1.
<IMPMYACTIES>-MSTRPROJACTIVITYID = 1.
<IMPMYACTIES>-REFERENCEDOCUMENT = 1.
<IMPMYACTIES>-MASTERPROJECTNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMPMYACTIES-MASTERPROJECTUUID, sy-vline,
  WA_IMPMYACTIES-MASTERPROJECTTYPE, sy-vline,
  WA_IMPMYACTIES-MASTERPROJECTISCONFIDENTIAL, sy-vline,
  WA_IMPMYACTIES-MASTERPROJECTORGANIZATION, sy-vline,
  WA_IMPMYACTIES-REFERENCEDOCUMENTDESC, sy-vline,
  WA_IMPMYACTIES-ISSUETYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMPMYACTIES 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_IMPMYACTIES 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_IMPMYACTIES INTO WA_IMPMYACTIES.


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

*Conversion exit ALPHA, internal->external for field ISSUECATEGORY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IMPMYACTIES-ISSUECATEGORY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMPMYACTIES-ISSUECATEGORY.
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_IMPMYACTIES_STR, 
MANDT TYPE STRING,
MASTERPROJECT TYPE STRING,
MSTRPROJACTIVITYID TYPE STRING,
REFERENCEDOCUMENT TYPE STRING,
MASTERPROJECTNAME TYPE STRING,
MASTERPROJECTUUID TYPE STRING,
MASTERPROJECTTYPE TYPE STRING,
MASTERPROJECTISCONFIDENTIAL TYPE STRING,
MASTERPROJECTORGANIZATION TYPE STRING,
REFERENCEDOCUMENTDESC TYPE STRING,
ISSUETYPE TYPE STRING,
ISSUECATEGORY TYPE STRING,
ISSUECATEGORYNAME TYPE STRING,
ORIGINAPPLICATION TYPE STRING,
ACTIVITYUUID TYPE STRING,
ACTIVITYTYPE TYPE STRING,
STATUS TYPE STRING,
ACTIVITYSTATUSNAME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATEDBYUSERFULLNAME TYPE STRING,
PLANNEDSTARTDATE TYPE STRING,
PLANNEDENDDATE TYPE STRING,
ACTUALSTARTDATE TYPE STRING,
ACTUALENDDATE TYPE STRING,
TODAYDATE TYPE STRING,
ISCOMPLETED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMPMYACTIES_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_IMPMYACTIES_STR-MANDT sy-vline 
WA_IMPMYACTIES_STR-MASTERPROJECT sy-vline 
WA_IMPMYACTIES_STR-MSTRPROJACTIVITYID sy-vline 
WA_IMPMYACTIES_STR-REFERENCEDOCUMENT sy-vline 
WA_IMPMYACTIES_STR-MASTERPROJECTNAME sy-vline 
WA_IMPMYACTIES_STR-MASTERPROJECTUUID sy-vline 
WA_IMPMYACTIES_STR-MASTERPROJECTTYPE sy-vline 
WA_IMPMYACTIES_STR-MASTERPROJECTISCONFIDENTIAL sy-vline 
WA_IMPMYACTIES_STR-MASTERPROJECTORGANIZATION sy-vline 
WA_IMPMYACTIES_STR-REFERENCEDOCUMENTDESC sy-vline 
WA_IMPMYACTIES_STR-ISSUETYPE sy-vline 
WA_IMPMYACTIES_STR-ISSUECATEGORY sy-vline 
WA_IMPMYACTIES_STR-ISSUECATEGORYNAME sy-vline 
WA_IMPMYACTIES_STR-ORIGINAPPLICATION sy-vline 
WA_IMPMYACTIES_STR-ACTIVITYUUID sy-vline 
WA_IMPMYACTIES_STR-ACTIVITYTYPE sy-vline 
WA_IMPMYACTIES_STR-STATUS sy-vline 
WA_IMPMYACTIES_STR-ACTIVITYSTATUSNAME sy-vline 
WA_IMPMYACTIES_STR-LASTCHANGEDBYUSER sy-vline 
WA_IMPMYACTIES_STR-CREATEDBYUSER sy-vline 
WA_IMPMYACTIES_STR-CREATEDBYUSERFULLNAME sy-vline 
WA_IMPMYACTIES_STR-PLANNEDSTARTDATE sy-vline 
WA_IMPMYACTIES_STR-PLANNEDENDDATE sy-vline 
WA_IMPMYACTIES_STR-ACTUALSTARTDATE sy-vline 
WA_IMPMYACTIES_STR-ACTUALENDDATE sy-vline 
WA_IMPMYACTIES_STR-TODAYDATE sy-vline 
WA_IMPMYACTIES_STR-ISCOMPLETED sy-vline      INTO ld_text SEPARATED BY SPACE.

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