ABAP Select data from SAP table FMCA_TRM_S_INBOX_WORKITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMCA_TRM_S_INBOX_WORKITEM
*  INTO TABLE @DATA(IT_FMCA_TRM_S_INBOX_WORKITEM2).
*--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_FMCA_TRM_S_INBOX_WORKITEM INDEX 1 INTO DATA(WA_FMCA_TRM_S_INBOX_WORKITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMCA_TRM_S_INBOX_WORKITEM>-DEST_ID = 1.
<FMCA_TRM_S_INBOX_WORKITEM>-WI_ID = 1.
<FMCA_TRM_S_INBOX_WORKITEM>-WI_LANG = 1.
<FMCA_TRM_S_INBOX_WORKITEM>-WI_TEXT = 1.
<FMCA_TRM_S_INBOX_WORKITEM>-WI_CD_TS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMCA_TRM_S_INBOX_WORKITEM-WI_END_TS, sy-vline,
  WA_FMCA_TRM_S_INBOX_WORKITEM-WI_RH_TASK, sy-vline,
  WA_FMCA_TRM_S_INBOX_WORKITEM-WI_RHTEXT, sy-vline,
  WA_FMCA_TRM_S_INBOX_WORKITEM-WI_AAGENT, sy-vline,
  WA_FMCA_TRM_S_INBOX_WORKITEM-WI_PRIO, sy-vline,
  WA_FMCA_TRM_S_INBOX_WORKITEM-WI_FORW_BY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMCA_TRM_S_INBOX_WORKITEM 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_FMCA_TRM_S_INBOX_WORKITEM 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_FMCA_TRM_S_INBOX_WORKITEM INTO WA_FMCA_TRM_S_INBOX_WORKITEM.


*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 ISOLA, internal->external for field WI_LANG
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_TRM_S_INBOX_WORKITEM-WI_LANG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_TRM_S_INBOX_WORKITEM-WI_LANG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field WI_CD_TS
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_TRM_S_INBOX_WORKITEM-WI_CD_TS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_TRM_S_INBOX_WORKITEM-WI_CD_TS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field WI_END_TS
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_TRM_S_INBOX_WORKITEM-WI_END_TS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_TRM_S_INBOX_WORKITEM-WI_END_TS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FBNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_TRM_S_INBOX_WORKITEM-FBNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_TRM_S_INBOX_WORKITEM-FBNUM.
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_FMCA_TRM_S_INBOX_WORKITEM_STR, 
DEST_ID TYPE STRING,
WI_ID TYPE STRING,
WI_LANG TYPE STRING,
WI_TEXT TYPE STRING,
WI_CD_TS TYPE STRING,
WI_END_TS TYPE STRING,
WI_RH_TASK TYPE STRING,
WI_RHTEXT TYPE STRING,
WI_AAGENT TYPE STRING,
WI_PRIO TYPE STRING,
WI_FORW_BY TYPE STRING,
WI_STAT TYPE STRING,
STATUSTEXT TYPE STRING,
WI_SUBST_FOR TYPE STRING,
WI_REJECT TYPE STRING,
TS_SEL TYPE STRING,
WI_CD TYPE STRING,
PRIORITYTEXT TYPE STRING,
WI_CREATED_BY TYPE STRING,
WI_CONFIRM TYPE STRING,
RFC_DEST TYPE STRING,
RFCDOC1 TYPE STRING,
APPLY_FROM TYPE STRING,
APPLY_TO TYPE STRING,
BP_DESCRIPTION TYPE STRING,
BP_TYPE TYPE STRING,
CA_CATEGORY TYPE STRING,
CO_TYPE TYPE STRING,
DUE_DATE TYPE STRING,
ID_DESCRIPTION TYPE STRING,
PK_DESCRIPTION TYPE STRING,
POSTAL_CODE TYPE STRING,
POSTMARK TYPE STRING,
PROZESS TYPE STRING,
RETURN_ID TYPE STRING,
RT_DESCRIPTION TYPE STRING,
TAXPAYER_ID TYPE STRING,
TRANSACTION_TYPE TYPE STRING,
WF_REASON TYPE STRING,
BP_KIND TYPE STRING,
REGION TYPE STRING,
LVLPRIO TYPE STRING,
FBNUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMCA_TRM_S_INBOX_WORKITEM_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_FMCA_TRM_S_INBOX_WORKITEM_STR-DEST_ID sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_ID sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_LANG sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_TEXT sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_CD_TS sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_END_TS sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_RH_TASK sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_RHTEXT sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_AAGENT sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_PRIO sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_FORW_BY sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_STAT sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-STATUSTEXT sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_SUBST_FOR sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_REJECT sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-TS_SEL sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_CD sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-PRIORITYTEXT sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_CREATED_BY sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WI_CONFIRM sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-RFC_DEST sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-RFCDOC1 sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-APPLY_FROM sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-APPLY_TO sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-BP_DESCRIPTION sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-BP_TYPE sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-CA_CATEGORY sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-CO_TYPE sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-DUE_DATE sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-ID_DESCRIPTION sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-PK_DESCRIPTION sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-POSTAL_CODE sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-POSTMARK sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-PROZESS sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-RETURN_ID sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-RT_DESCRIPTION sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-TAXPAYER_ID sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-TRANSACTION_TYPE sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-WF_REASON sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-BP_KIND sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-REGION sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-LVLPRIO sy-vline 
WA_FMCA_TRM_S_INBOX_WORKITEM_STR-FBNUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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