ABAP Select data from SAP table /TDAG/CPS_TASK_EDIT_ALV 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_TASK_EDIT_ALV 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_TASK_EDIT_ALV. 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_TASK_EDIT_ALV 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_TASK_EDIT_ALV TYPE STANDARD TABLE OF /TDAG/CPS_TASK_EDIT_ALV,
      WA_/TDAG/CPS_TASK_EDIT_ALV TYPE /TDAG/CPS_TASK_EDIT_ALV,
      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_TASK_EDIT_ALV> TYPE /TDAG/CPS_TASK_EDIT_ALV.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /TDAG/CPS_TASK_EDIT_ALV
*  INTO TABLE @DATA(IT_/TDAG/CPS_TASK_EDIT_ALV2).
*--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_TASK_EDIT_ALV INDEX 1 INTO DATA(WA_/TDAG/CPS_TASK_EDIT_ALV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</TDAG/CPS_TASK_EDIT_ALV>-HDRNO = 1.
</TDAG/CPS_TASK_EDIT_ALV>-SUBID = 1.
</TDAG/CPS_TASK_EDIT_ALV>-MATNR = 1.
</TDAG/CPS_TASK_EDIT_ALV>-EXTID = 1.
</TDAG/CPS_TASK_EDIT_ALV>-ORIGIN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/TDAG/CPS_TASK_EDIT_ALV-REGCHECK, sy-vline,
  WA_/TDAG/CPS_TASK_EDIT_ALV-REGLIST, sy-vline,
  WA_/TDAG/CPS_TASK_EDIT_ALV-TASKCAT, sy-vline,
  WA_/TDAG/CPS_TASK_EDIT_ALV-PARTNER_TYPE, sy-vline,
  WA_/TDAG/CPS_TASK_EDIT_ALV-PARTNER, sy-vline,
  WA_/TDAG/CPS_TASK_EDIT_ALV-RESP_PERSON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/TDAG/CPS_TASK_EDIT_ALV 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_TASK_EDIT_ALV 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_TASK_EDIT_ALV INTO WA_/TDAG/CPS_TASK_EDIT_ALV.


*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_TASK_EDIT_ALV-HDRNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/TDAG/CPS_TASK_EDIT_ALV-HDRNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SPEC1, internal->external for field SUBID
CALL FUNCTION 'CONVERSION_EXIT_SPEC1_OUTPUT'
  EXPORTING
    input =                      WA_/TDAG/CPS_TASK_EDIT_ALV-SUBID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/TDAG/CPS_TASK_EDIT_ALV-SUBID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/TDAG/CPS_TASK_EDIT_ALV-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/TDAG/CPS_TASK_EDIT_ALV-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field EMAILADDR
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_/TDAG/CPS_TASK_EDIT_ALV-EMAILADDR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/TDAG/CPS_TASK_EDIT_ALV-EMAILADDR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field EXTPROCESSOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/TDAG/CPS_TASK_EDIT_ALV-EXTPROCESSOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/TDAG/CPS_TASK_EDIT_ALV-EXTPROCESSOR.
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_TASK_EDIT_ALV_STR, 
HDRNO TYPE STRING,
SUBID TYPE STRING,
MATNR TYPE STRING,
EXTID TYPE STRING,
ORIGIN TYPE STRING,
REGCHECK TYPE STRING,
REGLIST TYPE STRING,
TASKCAT TYPE STRING,
PARTNER_TYPE TYPE STRING,
PARTNER TYPE STRING,
RESP_PERSON TYPE STRING,
FORMAT_CAT TYPE STRING,
STATUS TYPE STRING,
FLG_ATTACH TYPE STRING,
PRIO TYPE STRING,
OPENDAYS TYPE STRING,
DUEDATE TYPE STRING,
PLANDATE TYPE STRING,
STARTDATE TYPE STRING,
CRDATE TYPE STRING,
CRTIME TYPE STRING,
CRNAME TYPE STRING,
UPDDATE TYPE STRING,
UPDTIME TYPE STRING,
UPDNAME TYPE STRING,
PART_MPN TYPE STRING,
PLANT TYPE STRING,
MSGTY TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
LOG_HANDLE TYPE STRING,
SUBCAT TYPE STRING,
IDENT1 TYPE STRING,
IDENT2 TYPE STRING,
MAKTX TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
ZIPCODE TYPE STRING,
STREET TYPE STRING,
STREETNO TYPE STRING,
TOWN TYPE STRING,
COUNTRY TYPE STRING,
TLFNR TYPE STRING,
EMAILADDR TYPE STRING,
PARTNERMAT TYPE STRING,
MSGTEXT TYPE STRING,
REGCHECKD TYPE STRING,
REGLISTD TYPE STRING,
TASKCATD TYPE STRING,
STATUSD TYPE STRING,
PLANTD TYPE STRING,
SUBCATD TYPE STRING,
FORMATCATD TYPE STRING,
STATUS_ICON TYPE STRING,
PRIO_ICON TYPE STRING,
MARKFLG TYPE STRING,
EXEC_ICON TYPE STRING,
LOG_ICON TYPE STRING,
FILE_ICON TYPE STRING,
PARENTNO TYPE STRING,
GROUPA TYPE STRING,
USERA TYPE STRING,
EXTPROCESSOR TYPE STRING,
EXTPROCNAME TYPE STRING,
REQDATE TYPE STRING,
REQTIME TYPE STRING,
COMMTYPE TYPE STRING,
ESCCOUNTER TYPE STRING,
ESCSEVERITYICON TYPE STRING,
ESCREASONID TYPE STRING,
ESCREASOND TYPE STRING,
ESCSEVERITY TYPE STRING,
CELL_STYLE_TAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/TDAG/CPS_TASK_EDIT_ALV_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_TASK_EDIT_ALV_STR-HDRNO sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-SUBID sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-MATNR sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-EXTID sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-ORIGIN sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-REGCHECK sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-REGLIST sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-TASKCAT sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-PARTNER_TYPE sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-PARTNER sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-RESP_PERSON sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-FORMAT_CAT sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-STATUS sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-FLG_ATTACH sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-PRIO sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-OPENDAYS sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-DUEDATE sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-PLANDATE sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-STARTDATE sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-CRDATE sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-CRTIME sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-CRNAME sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-UPDDATE sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-UPDTIME sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-UPDNAME sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-PART_MPN sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-PLANT sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-MSGTY sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-MSGID sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-MSGNO sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-LOG_HANDLE sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-SUBCAT sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-IDENT1 sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-IDENT2 sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-MAKTX sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-NAME1 sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-NAME2 sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-NAME3 sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-ZIPCODE sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-STREET sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-STREETNO sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-TOWN sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-COUNTRY sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-TLFNR sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-EMAILADDR sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-PARTNERMAT sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-MSGTEXT sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-REGCHECKD sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-REGLISTD sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-TASKCATD sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-STATUSD sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-PLANTD sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-SUBCATD sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-FORMATCATD sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-STATUS_ICON sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-PRIO_ICON sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-MARKFLG sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-EXEC_ICON sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-LOG_ICON sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-FILE_ICON sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-PARENTNO sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-GROUPA sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-USERA sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-EXTPROCESSOR sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-EXTPROCNAME sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-REQDATE sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-REQTIME sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-COMMTYPE sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-ESCCOUNTER sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-ESCSEVERITYICON sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-ESCREASONID sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-ESCREASOND sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-ESCSEVERITY sy-vline 
WA_/TDAG/CPS_TASK_EDIT_ALV_STR-CELL_STYLE_TAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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