ABAP Select data from SAP table ICL_POLS_HEADER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICL_POLS_HEADER 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_POLS_HEADER. 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_POLS_HEADER 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_POLS_HEADER TYPE STANDARD TABLE OF ICL_POLS_HEADER,
      WA_ICL_POLS_HEADER TYPE ICL_POLS_HEADER,
      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_POLS_HEADER> TYPE ICL_POLS_HEADER.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_POLS_HEADER
*  INTO TABLE @DATA(IT_ICL_POLS_HEADER2).
*--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_POLS_HEADER INDEX 1 INTO DATA(WA_ICL_POLS_HEADER2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_POLS_HEADER-CHANGEDBY, sy-vline,
  WA_ICL_POLS_HEADER-DELETED, sy-vline,
  WA_ICL_POLS_HEADER-IMPORTSTATUS, sy-vline,
  WA_ICL_POLS_HEADER-VALIDDATA, sy-vline,
  WA_ICL_POLS_HEADER-MANCHANGE, sy-vline,
  WA_ICL_POLS_HEADER-VALIDFROM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_POLS_HEADER 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_POLS_HEADER 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_POLS_HEADER INTO WA_ICL_POLS_HEADER.


*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_ICL_POLS_HEADER-CLAIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_POLS_HEADER-CLAIM.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field BPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_POLS_HEADER-BPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_POLS_HEADER-BPARTNER.
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_POLS_HEADER_STR, 
CLIENT TYPE STRING,
ACTIVE TYPE STRING,
CLAIM TYPE STRING,
POLVNR TYPE STRING,
CHANGETIME TYPE STRING,
CHANGEDBY TYPE STRING,
DELETED TYPE STRING,
IMPORTSTATUS TYPE STRING,
VALIDDATA TYPE STRING,
MANCHANGE TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
SRCCHANGE TYPE STRING,
ISSUED TYPE STRING,
INCEPTION TYPE STRING,
EXPIRY TYPE STRING,
CURR TYPE STRING,
JURISCOUNTRY TYPE STRING,
JURISREGION TYPE STRING,
NCBONUS TYPE STRING,
DISTCHAN TYPE STRING,
POLICY TYPE STRING,
POLPROD TYPE STRING,
LRENEWAL TYPE STRING,
POLOBJ_CD TYPE STRING,
BENEXCLPER TYPE STRING,
POLICY_PM TYPE STRING,
POLEX_PM TYPE STRING,
POLICY_PM_TXT TYPE STRING,
CONTR_PM_TXT TYPE STRING,
PROFILE_PR_LEVEL TYPE STRING,
ASSIGN_GUID TYPE STRING,
CLAUSE TYPE STRING,
POLPRODN TYPE STRING,
INSCOND_GEN TYPE STRING,
INSCOND_GENN TYPE STRING,
INSCOND_SPEC TYPE STRING,
INSCOND_SPECN TYPE STRING,
BUKRS TYPE STRING,
GESNR TYPE STRING,
PLINEOFBUS TYPE STRING,
MAINMATUR_DT TYPE STRING,
DUEDATE TYPE STRING,
REQUESTSTATUS TYPE STRING,
TEXT_LANGU TYPE STRING,
MULTI_CURRENCY_CATEGORY TYPE STRING,
_DATAAGING TYPE STRING,
DATACOMPLETED TYPE STRING,
JURISCOUNTRYN TYPE STRING,
JURISREGIONN TYPE STRING,
POLSGUID TYPE STRING,
DTIMEZONE TYPE STRING,
VALIDFROMD TYPE STRING,
VALIDFROMT TYPE STRING,
VALIDTOD TYPE STRING,
VALIDTOT TYPE STRING,
ISSUEDD TYPE STRING,
ISSUEDT TYPE STRING,
INCEPTIOND TYPE STRING,
INCEPTIONT TYPE STRING,
EXPIRYD TYPE STRING,
EXPIRYT TYPE STRING,
LRENEWALD TYPE STRING,
LRENEWALT TYPE STRING,
DISTCHANN TYPE STRING,
BPARTNER TYPE STRING,
DESCRIP TYPE STRING,
DESCRIP_NAME TYPE STRING,
DESCRIP_ADDR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_POLS_HEADER_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_POLS_HEADER_STR-CLIENT sy-vline 
WA_ICL_POLS_HEADER_STR-ACTIVE sy-vline 
WA_ICL_POLS_HEADER_STR-CLAIM sy-vline 
WA_ICL_POLS_HEADER_STR-POLVNR sy-vline 
WA_ICL_POLS_HEADER_STR-CHANGETIME sy-vline 
WA_ICL_POLS_HEADER_STR-CHANGEDBY sy-vline 
WA_ICL_POLS_HEADER_STR-DELETED sy-vline 
WA_ICL_POLS_HEADER_STR-IMPORTSTATUS sy-vline 
WA_ICL_POLS_HEADER_STR-VALIDDATA sy-vline 
WA_ICL_POLS_HEADER_STR-MANCHANGE sy-vline 
WA_ICL_POLS_HEADER_STR-VALIDFROM sy-vline 
WA_ICL_POLS_HEADER_STR-VALIDTO sy-vline 
WA_ICL_POLS_HEADER_STR-SRCCHANGE sy-vline 
WA_ICL_POLS_HEADER_STR-ISSUED sy-vline 
WA_ICL_POLS_HEADER_STR-INCEPTION sy-vline 
WA_ICL_POLS_HEADER_STR-EXPIRY sy-vline 
WA_ICL_POLS_HEADER_STR-CURR sy-vline 
WA_ICL_POLS_HEADER_STR-JURISCOUNTRY sy-vline 
WA_ICL_POLS_HEADER_STR-JURISREGION sy-vline 
WA_ICL_POLS_HEADER_STR-NCBONUS sy-vline 
WA_ICL_POLS_HEADER_STR-DISTCHAN sy-vline 
WA_ICL_POLS_HEADER_STR-POLICY sy-vline 
WA_ICL_POLS_HEADER_STR-POLPROD sy-vline 
WA_ICL_POLS_HEADER_STR-LRENEWAL sy-vline 
WA_ICL_POLS_HEADER_STR-POLOBJ_CD sy-vline 
WA_ICL_POLS_HEADER_STR-BENEXCLPER sy-vline 
WA_ICL_POLS_HEADER_STR-POLICY_PM sy-vline 
WA_ICL_POLS_HEADER_STR-POLEX_PM sy-vline 
WA_ICL_POLS_HEADER_STR-POLICY_PM_TXT sy-vline 
WA_ICL_POLS_HEADER_STR-CONTR_PM_TXT sy-vline 
WA_ICL_POLS_HEADER_STR-PROFILE_PR_LEVEL sy-vline 
WA_ICL_POLS_HEADER_STR-ASSIGN_GUID sy-vline 
WA_ICL_POLS_HEADER_STR-CLAUSE sy-vline 
WA_ICL_POLS_HEADER_STR-POLPRODN sy-vline 
WA_ICL_POLS_HEADER_STR-INSCOND_GEN sy-vline 
WA_ICL_POLS_HEADER_STR-INSCOND_GENN sy-vline 
WA_ICL_POLS_HEADER_STR-INSCOND_SPEC sy-vline 
WA_ICL_POLS_HEADER_STR-INSCOND_SPECN sy-vline 
WA_ICL_POLS_HEADER_STR-BUKRS sy-vline 
WA_ICL_POLS_HEADER_STR-GESNR sy-vline 
WA_ICL_POLS_HEADER_STR-PLINEOFBUS sy-vline 
WA_ICL_POLS_HEADER_STR-MAINMATUR_DT sy-vline 
WA_ICL_POLS_HEADER_STR-DUEDATE sy-vline 
WA_ICL_POLS_HEADER_STR-REQUESTSTATUS sy-vline 
WA_ICL_POLS_HEADER_STR-TEXT_LANGU sy-vline 
WA_ICL_POLS_HEADER_STR-MULTI_CURRENCY_CATEGORY sy-vline 
WA_ICL_POLS_HEADER_STR-_DATAAGING sy-vline 
WA_ICL_POLS_HEADER_STR-DATACOMPLETED sy-vline 
WA_ICL_POLS_HEADER_STR-JURISCOUNTRYN sy-vline 
WA_ICL_POLS_HEADER_STR-JURISREGIONN sy-vline 
WA_ICL_POLS_HEADER_STR-POLSGUID sy-vline 
WA_ICL_POLS_HEADER_STR-DTIMEZONE sy-vline 
WA_ICL_POLS_HEADER_STR-VALIDFROMD sy-vline 
WA_ICL_POLS_HEADER_STR-VALIDFROMT sy-vline 
WA_ICL_POLS_HEADER_STR-VALIDTOD sy-vline 
WA_ICL_POLS_HEADER_STR-VALIDTOT sy-vline 
WA_ICL_POLS_HEADER_STR-ISSUEDD sy-vline 
WA_ICL_POLS_HEADER_STR-ISSUEDT sy-vline 
WA_ICL_POLS_HEADER_STR-INCEPTIOND sy-vline 
WA_ICL_POLS_HEADER_STR-INCEPTIONT sy-vline 
WA_ICL_POLS_HEADER_STR-EXPIRYD sy-vline 
WA_ICL_POLS_HEADER_STR-EXPIRYT sy-vline 
WA_ICL_POLS_HEADER_STR-LRENEWALD sy-vline 
WA_ICL_POLS_HEADER_STR-LRENEWALT sy-vline 
WA_ICL_POLS_HEADER_STR-DISTCHANN sy-vline 
WA_ICL_POLS_HEADER_STR-BPARTNER sy-vline 
WA_ICL_POLS_HEADER_STR-DESCRIP sy-vline 
WA_ICL_POLS_HEADER_STR-DESCRIP_NAME sy-vline 
WA_ICL_POLS_HEADER_STR-DESCRIP_ADDR sy-vline      INTO ld_text SEPARATED BY SPACE.

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