ABAP Select data from SAP table ICL_SCWCOMP_ALV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICL_SCWCOMP_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 ICL_SCWCOMP_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 ICL_SCWCOMP_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_ICL_SCWCOMP_ALV TYPE STANDARD TABLE OF ICL_SCWCOMP_ALV,
      WA_ICL_SCWCOMP_ALV TYPE ICL_SCWCOMP_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: <ICL_SCWCOMP_ALV> TYPE ICL_SCWCOMP_ALV.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_SCWCOMP_ALV
*  INTO TABLE @DATA(IT_ICL_SCWCOMP_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_ICL_SCWCOMP_ALV INDEX 1 INTO DATA(WA_ICL_SCWCOMP_ALV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_SCWCOMP_ALV>-SCPOSID_INT = 1.
<ICL_SCWCOMP_ALV>-SERVCATID = 1.
<ICL_SCWCOMP_ALV>-SC_VARIANT = 1.
<ICL_SCWCOMP_ALV>-DISABILITY_CLASS = 1.
<ICL_SCWCOMP_ALV>-DISABILITY_CLASS_TEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_SCWCOMP_ALV-COUNTRY, sy-vline,
  WA_ICL_SCWCOMP_ALV-REGION, sy-vline,
  WA_ICL_SCWCOMP_ALV-REGION_TEXT, sy-vline,
  WA_ICL_SCWCOMP_ALV-CURRENCY, sy-vline,
  WA_ICL_SCWCOMP_ALV-ACTIVE, sy-vline,
  WA_ICL_SCWCOMP_ALV-CHANGEDBY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_SCWCOMP_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_ICL_SCWCOMP_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_ICL_SCWCOMP_ALV INTO WA_ICL_SCWCOMP_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 TSTAM, internal->external for field CHANGETIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICL_SCWCOMP_ALV-CHANGETIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_SCWCOMP_ALV-CHANGETIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTAM, internal->external for field INACTIVETIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICL_SCWCOMP_ALV-INACTIVETIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_SCWCOMP_ALV-INACTIVETIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTAM, internal->external for field EFFFROMTIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICL_SCWCOMP_ALV-EFFFROMTIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_SCWCOMP_ALV-EFFFROMTIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTAM, internal->external for field EFFTOTIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICL_SCWCOMP_ALV-EFFTOTIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_SCWCOMP_ALV-EFFTOTIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTAM, internal->external for field TERMTIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICL_SCWCOMP_ALV-TERMTIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_SCWCOMP_ALV-TERMTIME.
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_ICL_SCWCOMP_ALV_STR, 
SCPOSID_INT TYPE STRING,
SERVCATID TYPE STRING,
SC_VARIANT TYPE STRING,
DISABILITY_CLASS TYPE STRING,
DISABILITY_CLASS_TEXT TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
REGION_TEXT TYPE STRING,
CURRENCY TYPE STRING,
ACTIVE TYPE STRING,
CHANGEDBY TYPE STRING,
CHANGETIME TYPE STRING,
INACTIVETIME TYPE STRING,
EFFFROMTIME TYPE STRING,
EFFTOTIME TYPE STRING,
TERMTIME TYPE STRING,
DELETED TYPE STRING,
OSYSID TYPE STRING,
OMANDT TYPE STRING,
SCPOSID_PREV TYPE STRING,
BENTYPE TYPE STRING,
SAWW TYPE STRING,
BENEFIT_RULE TYPE STRING,
MAX_BEN TYPE STRING,
MAX_RULE TYPE STRING,
MIN_BEN TYPE STRING,
MIN_RULE TYPE STRING,
WAITING_PERIOD TYPE STRING,
RETRO_PERIOD TYPE STRING,
MAX_PERIOD TYPE STRING,
MAX_TOTAL TYPE STRING,
FORMULA TYPE STRING,
BEN_CONS TYPE STRING,
CALCINSTR TYPE STRING,
SPOUSE_CHILD_BEN TYPE STRING,
SPOUSE_ONLY_BEN TYPE STRING,
ONE_CHILD_BEN TYPE STRING,
MAX_SPSECHLD_AMT TYPE STRING,
MAX_SPSEONLY_AMT TYPE STRING,
MIN_SPSEONLY_AMT TYPE STRING,
AMOUNT_LIMIT_SC TYPE STRING,
AMOUNT_LIMIT_SO TYPE STRING,
TIME_LIMIT TYPE STRING,
BURIAL_AMOUNT TYPE STRING,
CHILD_MAX_AGE TYPE STRING,
STDNT_MAX_AGE TYPE STRING,
TRANSPORTN_MAX TYPE STRING,
LUMP_SUM TYPE STRING,
FORMULA_DTH TYPE STRING,
TOTAL_SCHED TYPE STRING,
SCH_SERVCATID TYPE STRING,
SCH_SC_VARIANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_SCWCOMP_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_ICL_SCWCOMP_ALV_STR-SCPOSID_INT sy-vline 
WA_ICL_SCWCOMP_ALV_STR-SERVCATID sy-vline 
WA_ICL_SCWCOMP_ALV_STR-SC_VARIANT sy-vline 
WA_ICL_SCWCOMP_ALV_STR-DISABILITY_CLASS sy-vline 
WA_ICL_SCWCOMP_ALV_STR-DISABILITY_CLASS_TEXT sy-vline 
WA_ICL_SCWCOMP_ALV_STR-COUNTRY sy-vline 
WA_ICL_SCWCOMP_ALV_STR-REGION sy-vline 
WA_ICL_SCWCOMP_ALV_STR-REGION_TEXT sy-vline 
WA_ICL_SCWCOMP_ALV_STR-CURRENCY sy-vline 
WA_ICL_SCWCOMP_ALV_STR-ACTIVE sy-vline 
WA_ICL_SCWCOMP_ALV_STR-CHANGEDBY sy-vline 
WA_ICL_SCWCOMP_ALV_STR-CHANGETIME sy-vline 
WA_ICL_SCWCOMP_ALV_STR-INACTIVETIME sy-vline 
WA_ICL_SCWCOMP_ALV_STR-EFFFROMTIME sy-vline 
WA_ICL_SCWCOMP_ALV_STR-EFFTOTIME sy-vline 
WA_ICL_SCWCOMP_ALV_STR-TERMTIME sy-vline 
WA_ICL_SCWCOMP_ALV_STR-DELETED sy-vline 
WA_ICL_SCWCOMP_ALV_STR-OSYSID sy-vline 
WA_ICL_SCWCOMP_ALV_STR-OMANDT sy-vline 
WA_ICL_SCWCOMP_ALV_STR-SCPOSID_PREV sy-vline 
WA_ICL_SCWCOMP_ALV_STR-BENTYPE sy-vline 
WA_ICL_SCWCOMP_ALV_STR-SAWW sy-vline 
WA_ICL_SCWCOMP_ALV_STR-BENEFIT_RULE sy-vline 
WA_ICL_SCWCOMP_ALV_STR-MAX_BEN sy-vline 
WA_ICL_SCWCOMP_ALV_STR-MAX_RULE sy-vline 
WA_ICL_SCWCOMP_ALV_STR-MIN_BEN sy-vline 
WA_ICL_SCWCOMP_ALV_STR-MIN_RULE sy-vline 
WA_ICL_SCWCOMP_ALV_STR-WAITING_PERIOD sy-vline 
WA_ICL_SCWCOMP_ALV_STR-RETRO_PERIOD sy-vline 
WA_ICL_SCWCOMP_ALV_STR-MAX_PERIOD sy-vline 
WA_ICL_SCWCOMP_ALV_STR-MAX_TOTAL sy-vline 
WA_ICL_SCWCOMP_ALV_STR-FORMULA sy-vline 
WA_ICL_SCWCOMP_ALV_STR-BEN_CONS sy-vline 
WA_ICL_SCWCOMP_ALV_STR-CALCINSTR sy-vline 
WA_ICL_SCWCOMP_ALV_STR-SPOUSE_CHILD_BEN sy-vline 
WA_ICL_SCWCOMP_ALV_STR-SPOUSE_ONLY_BEN sy-vline 
WA_ICL_SCWCOMP_ALV_STR-ONE_CHILD_BEN sy-vline 
WA_ICL_SCWCOMP_ALV_STR-MAX_SPSECHLD_AMT sy-vline 
WA_ICL_SCWCOMP_ALV_STR-MAX_SPSEONLY_AMT sy-vline 
WA_ICL_SCWCOMP_ALV_STR-MIN_SPSEONLY_AMT sy-vline 
WA_ICL_SCWCOMP_ALV_STR-AMOUNT_LIMIT_SC sy-vline 
WA_ICL_SCWCOMP_ALV_STR-AMOUNT_LIMIT_SO sy-vline 
WA_ICL_SCWCOMP_ALV_STR-TIME_LIMIT sy-vline 
WA_ICL_SCWCOMP_ALV_STR-BURIAL_AMOUNT sy-vline 
WA_ICL_SCWCOMP_ALV_STR-CHILD_MAX_AGE sy-vline 
WA_ICL_SCWCOMP_ALV_STR-STDNT_MAX_AGE sy-vline 
WA_ICL_SCWCOMP_ALV_STR-TRANSPORTN_MAX sy-vline 
WA_ICL_SCWCOMP_ALV_STR-LUMP_SUM sy-vline 
WA_ICL_SCWCOMP_ALV_STR-FORMULA_DTH sy-vline 
WA_ICL_SCWCOMP_ALV_STR-TOTAL_SCHED sy-vline 
WA_ICL_SCWCOMP_ALV_STR-SCH_SERVCATID sy-vline 
WA_ICL_SCWCOMP_ALV_STR-SCH_SC_VARIANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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