ABAP Select data from SAP table ICLPOLM into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICLPOLM 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 ICLPOLM. 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 ICLPOLM 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_ICLPOLM TYPE STANDARD TABLE OF ICLPOLM,
      WA_ICLPOLM TYPE ICLPOLM,
      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: <ICLPOLM> TYPE ICLPOLM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICLPOLM
*  INTO TABLE @DATA(IT_ICLPOLM2).
*--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_ICLPOLM INDEX 1 INTO DATA(WA_ICLPOLM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICLPOLM>-CLIENT = 1.
<ICLPOLM>-ACTIVE = 1.
<ICLPOLM>-CLAIM = 1.
<ICLPOLM>-POLVNR = 1.
<ICLPOLM>-COVERAGE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICLPOLM-CHANGETIME, sy-vline,
  WA_ICLPOLM-CHANGEDBY, sy-vline,
  WA_ICLPOLM-DELETED, sy-vline,
  WA_ICLPOLM-COVTYPE, sy-vline,
  WA_ICLPOLM-EXTCOV, sy-vline,
  WA_ICLPOLM-INCEPTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICLPOLM 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_ICLPOLM 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_ICLPOLM INTO WA_ICLPOLM.


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

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

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

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

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

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

*Conversion exit EXCRT, internal->external for field RISKEXCHRATE_VL
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_ICLPOLM-RISKEXCHRATE_VL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICLPOLM-RISKEXCHRATE_VL.
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_ICLPOLM_STR, 
CLIENT TYPE STRING,
ACTIVE TYPE STRING,
CLAIM TYPE STRING,
POLVNR TYPE STRING,
COVERAGE TYPE STRING,
CHANGETIME TYPE STRING,
CHANGEDBY TYPE STRING,
DELETED TYPE STRING,
COVTYPE TYPE STRING,
EXTCOV TYPE STRING,
INCEPTION TYPE STRING,
EXPIRY TYPE STRING,
CEDED TYPE STRING,
STATUS TYPE STRING,
AWPERIODEND TYPE STRING,
BWPERIODEND TYPE STRING,
SERVCATID TYPE STRING,
PROFILE_EP_LEVEL TYPE STRING,
ASSIGN_GUID TYPE STRING,
COVTYPEN TYPE STRING,
COVERAGEN TYPE STRING,
BRCHNR TYPE STRING,
RICOV_GD TYPE STRING,
CAPPENSOPT TYPE STRING,
GUROP TYPE STRING,
COVPAC_EXT_ID TYPE STRING,
COVERAGE_EXT_ID TYPE STRING,
MONETARYCOMP TYPE STRING,
PAYROLLVAR TYPE STRING,
DISBURSETYPE TYPE STRING,
COVNUM_EXT_VL TYPE STRING,
COVERAGENR_TT TYPE STRING,
_DATAAGING TYPE STRING,
RISKCURR_CD TYPE STRING,
RISKEXCHRATE_VL TYPE STRING,
RISKEXCHRATE_DT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICLPOLM_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_ICLPOLM_STR-CLIENT sy-vline 
WA_ICLPOLM_STR-ACTIVE sy-vline 
WA_ICLPOLM_STR-CLAIM sy-vline 
WA_ICLPOLM_STR-POLVNR sy-vline 
WA_ICLPOLM_STR-COVERAGE sy-vline 
WA_ICLPOLM_STR-CHANGETIME sy-vline 
WA_ICLPOLM_STR-CHANGEDBY sy-vline 
WA_ICLPOLM_STR-DELETED sy-vline 
WA_ICLPOLM_STR-COVTYPE sy-vline 
WA_ICLPOLM_STR-EXTCOV sy-vline 
WA_ICLPOLM_STR-INCEPTION sy-vline 
WA_ICLPOLM_STR-EXPIRY sy-vline 
WA_ICLPOLM_STR-CEDED sy-vline 
WA_ICLPOLM_STR-STATUS sy-vline 
WA_ICLPOLM_STR-AWPERIODEND sy-vline 
WA_ICLPOLM_STR-BWPERIODEND sy-vline 
WA_ICLPOLM_STR-SERVCATID sy-vline 
WA_ICLPOLM_STR-PROFILE_EP_LEVEL sy-vline 
WA_ICLPOLM_STR-ASSIGN_GUID sy-vline 
WA_ICLPOLM_STR-COVTYPEN sy-vline 
WA_ICLPOLM_STR-COVERAGEN sy-vline 
WA_ICLPOLM_STR-BRCHNR sy-vline 
WA_ICLPOLM_STR-RICOV_GD sy-vline 
WA_ICLPOLM_STR-CAPPENSOPT sy-vline 
WA_ICLPOLM_STR-GUROP sy-vline 
WA_ICLPOLM_STR-COVPAC_EXT_ID sy-vline 
WA_ICLPOLM_STR-COVERAGE_EXT_ID sy-vline 
WA_ICLPOLM_STR-MONETARYCOMP sy-vline 
WA_ICLPOLM_STR-PAYROLLVAR sy-vline 
WA_ICLPOLM_STR-DISBURSETYPE sy-vline 
WA_ICLPOLM_STR-COVNUM_EXT_VL sy-vline 
WA_ICLPOLM_STR-COVERAGENR_TT sy-vline 
WA_ICLPOLM_STR-_DATAAGING sy-vline 
WA_ICLPOLM_STR-RISKCURR_CD sy-vline 
WA_ICLPOLM_STR-RISKEXCHRATE_VL sy-vline 
WA_ICLPOLM_STR-RISKEXCHRATE_DT sy-vline      INTO ld_text SEPARATED BY SPACE.

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