ABAP Select data from SAP table IDCFM_USWS_STR_ALV_WORKLIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDCFM_USWS_STR_ALV_WORKLIST
*  INTO TABLE @DATA(IT_IDCFM_USWS_STR_ALV_WORKLIST2).
*--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_IDCFM_USWS_STR_ALV_WORKLIST INDEX 1 INTO DATA(WA_IDCFM_USWS_STR_ALV_WORKLIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDCFM_USWS_STR_ALV_WORKLIST>-OS_GUID = 1.
<IDCFM_USWS_STR_ALV_WORKLIST>-CHECKBOX = 1.
<IDCFM_USWS_STR_ALV_WORKLIST>-ICON_STATUS = 1.
<IDCFM_USWS_STR_ALV_WORKLIST>-VALUATION_AREA = 1.
<IDCFM_USWS_STR_ALV_WORKLIST>-CUSIP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDCFM_USWS_STR_ALV_WORKLIST-TRLDATE, sy-vline,
  WA_IDCFM_USWS_STR_ALV_WORKLIST-UNITS, sy-vline,
  WA_IDCFM_USWS_STR_ALV_WORKLIST-NOMINAL_AMT, sy-vline,
  WA_IDCFM_USWS_STR_ALV_WORKLIST-NOMINAL_ORG_AMT, sy-vline,
  WA_IDCFM_USWS_STR_ALV_WORKLIST-NOMINAL_CURR, sy-vline,
  WA_IDCFM_USWS_STR_ALV_WORKLIST-CAP_GL_PC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDCFM_USWS_STR_ALV_WORKLIST 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_IDCFM_USWS_STR_ALV_WORKLIST 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_IDCFM_USWS_STR_ALV_WORKLIST INTO WA_IDCFM_USWS_STR_ALV_WORKLIST.


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

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

*Conversion exit ALPHA, internal->external for field RANL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDCFM_USWS_STR_ALV_WORKLIST-RANL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCFM_USWS_STR_ALV_WORKLIST-RANL.
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_IDCFM_USWS_STR_ALV_WORKLIST_STR, 
OS_GUID TYPE STRING,
CHECKBOX TYPE STRING,
ICON_STATUS TYPE STRING,
VALUATION_AREA TYPE STRING,
CUSIP TYPE STRING,
TRLDATE TYPE STRING,
UNITS TYPE STRING,
NOMINAL_AMT TYPE STRING,
NOMINAL_ORG_AMT TYPE STRING,
NOMINAL_CURR TYPE STRING,
CAP_GL_PC TYPE STRING,
CAP_GL_VC TYPE STRING,
FX_GL_VC TYPE STRING,
AC_COST_PC TYPE STRING,
AC_COST_VC TYPE STRING,
POSITION_AMT TYPE STRING,
POSITION_CURR TYPE STRING,
VALUATION_AMT TYPE STRING,
VALUATION_CURR TYPE STRING,
TR_ACC_CODE TYPE STRING,
DEAL_NUMBER TYPE STRING,
BUSTRANSID TYPE STRING,
BUSTRANSCAT TYPE STRING,
MATURITY TYPE STRING,
TD_DIFF TYPE STRING,
NAIC TYPE STRING,
COMPANY_CODE TYPE STRING,
REPKE TYPE STRING,
SROLEXT TYPE STRING,
RANL TYPE STRING,
SECURITY_ACCOUNT TYPE STRING,
PORTFOLIO TYPE STRING,
SGSART TYPE STRING,
POOL_ID TYPE STRING,
DIS_FLOWTYPE TYPE STRING,
BUSTRANS_STATE TYPE STRING,
WS_COMMENT TYPE STRING,
CRUSER TYPE STRING,
DCRDAT TYPE STRING,
UPUSER TYPE STRING,
DUPDAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDCFM_USWS_STR_ALV_WORKLIST_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_IDCFM_USWS_STR_ALV_WORKLIST_STR-OS_GUID sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-CHECKBOX sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-ICON_STATUS sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-VALUATION_AREA sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-CUSIP sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-TRLDATE sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-UNITS sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-NOMINAL_AMT sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-NOMINAL_ORG_AMT sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-NOMINAL_CURR sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-CAP_GL_PC sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-CAP_GL_VC sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-FX_GL_VC sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-AC_COST_PC sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-AC_COST_VC sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-POSITION_AMT sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-POSITION_CURR sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-VALUATION_AMT sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-VALUATION_CURR sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-TR_ACC_CODE sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-DEAL_NUMBER sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-BUSTRANSID sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-BUSTRANSCAT sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-MATURITY sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-TD_DIFF sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-NAIC sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-COMPANY_CODE sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-REPKE sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-SROLEXT sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-RANL sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-SECURITY_ACCOUNT sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-PORTFOLIO sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-SGSART sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-POOL_ID sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-DIS_FLOWTYPE sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-BUSTRANS_STATE sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-WS_COMMENT sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-CRUSER sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-DCRDAT sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-UPUSER sy-vline 
WA_IDCFM_USWS_STR_ALV_WORKLIST_STR-DUPDAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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