ABAP Select data from SAP table /TDAG/CPS_TM_TASKI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /TDAG/CPS_TM_TASKI 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 /TDAG/CPS_TM_TASKI. 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 /TDAG/CPS_TM_TASKI 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_/TDAG/CPS_TM_TASKI TYPE STANDARD TABLE OF /TDAG/CPS_TM_TASKI,
      WA_/TDAG/CPS_TM_TASKI TYPE /TDAG/CPS_TM_TASKI,
      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: </TDAG/CPS_TM_TASKI> TYPE /TDAG/CPS_TM_TASKI.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /TDAG/CPS_TM_TASKI
  INTO TABLE IT_/TDAG/CPS_TM_TASKI.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /TDAG/CPS_TM_TASKI
*  INTO TABLE @DATA(IT_/TDAG/CPS_TM_TASKI2).
*--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_/TDAG/CPS_TM_TASKI INDEX 1 INTO DATA(WA_/TDAG/CPS_TM_TASKI2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/TDAG/CPS_TM_TASKI ASSIGNING </TDAG/CPS_TM_TASKI>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</TDAG/CPS_TM_TASKI>-MANDT = 1.
</TDAG/CPS_TM_TASKI>-HDRNO = 1.
</TDAG/CPS_TM_TASKI>-ITMNO = 1.
</TDAG/CPS_TM_TASKI>-ACTIVITY = 1.
</TDAG/CPS_TM_TASKI>-STATUS = 1.

ENDLOOP.

LOOP AT IT_/TDAG/CPS_TM_TASKI INTO WA_/TDAG/CPS_TM_TASKI.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/TDAG/CPS_TM_TASKI-PRIO, sy-vline,
  WA_/TDAG/CPS_TM_TASKI-DUEDATE, sy-vline,
  WA_/TDAG/CPS_TM_TASKI-PLANDATE, sy-vline,
  WA_/TDAG/CPS_TM_TASKI-CRDATE, sy-vline,
  WA_/TDAG/CPS_TM_TASKI-CRTIME, sy-vline,
  WA_/TDAG/CPS_TM_TASKI-CRNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/TDAG/CPS_TM_TASKI 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_/TDAG/CPS_TM_TASKI 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_/TDAG/CPS_TM_TASKI INTO WA_/TDAG/CPS_TM_TASKI.


*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 HDRNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/TDAG/CPS_TM_TASKI-HDRNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/TDAG/CPS_TM_TASKI-HDRNO.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/TDAG/CPS_TM_TASKI-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/TDAG/CPS_TM_TASKI-LANGU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field EMAILADDR
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_/TDAG/CPS_TM_TASKI-EMAILADDR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/TDAG/CPS_TM_TASKI-EMAILADDR.
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_/TDAG/CPS_TM_TASKI_STR, 
MANDT TYPE STRING,
HDRNO TYPE STRING,
ITMNO TYPE STRING,
ACTIVITY TYPE STRING,
STATUS TYPE STRING,
PRIO TYPE STRING,
DUEDATE TYPE STRING,
PLANDATE TYPE STRING,
CRDATE TYPE STRING,
CRTIME TYPE STRING,
CRNAME TYPE STRING,
TEXT TYPE STRING,
FLG_LTEXT TYPE STRING,
ATTCAT TYPE STRING,
FILENAME TYPE STRING,
FILESIZE TYPE STRING,
DOKAR TYPE STRING,
DOKNR TYPE STRING,
DOKVR TYPE STRING,
DOKTL TYPE STRING,
TDNAME TYPE STRING,
LANGU TYPE STRING,
LOG_HANDLE TYPE STRING,
REQDATE TYPE STRING,
REQTIME TYPE STRING,
EMAILADDR TYPE STRING,
ESCREASONID TYPE STRING,
ESCSEVERITY TYPE STRING,
CONTPROV TYPE STRING,
LOGLOCKMODE TYPE STRING,
FILEPTR TYPE STRING,
NROFATTS TYPE STRING,
PRIO_ICON TYPE STRING,
STATUS_ICON TYPE STRING,
STATUSD TYPE STRING,
ACTIVITYD TYPE STRING,
LOG_ICON TYPE STRING,
ESCSEVERITYICON TYPE STRING,
ESCREASOND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/TDAG/CPS_TM_TASKI_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_/TDAG/CPS_TM_TASKI_STR-MANDT sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-HDRNO sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-ITMNO sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-ACTIVITY sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-STATUS sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-PRIO sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-DUEDATE sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-PLANDATE sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-CRDATE sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-CRTIME sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-CRNAME sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-TEXT sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-FLG_LTEXT sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-ATTCAT sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-FILENAME sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-FILESIZE sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-DOKAR sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-DOKNR sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-DOKVR sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-DOKTL sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-TDNAME sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-LANGU sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-LOG_HANDLE sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-REQDATE sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-REQTIME sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-EMAILADDR sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-ESCREASONID sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-ESCSEVERITY sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-CONTPROV sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-LOGLOCKMODE sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-FILEPTR sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-NROFATTS sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-PRIO_ICON sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-STATUS_ICON sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-STATUSD sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-ACTIVITYD sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-LOG_ICON sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-ESCSEVERITYICON sy-vline 
WA_/TDAG/CPS_TM_TASKI_STR-ESCREASOND sy-vline      INTO ld_text SEPARATED BY SPACE.

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