ABAP Select data from SAP table /PM0/PWS_POLPR_SUBJCT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PM0/PWS_POLPR_SUBJCT 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 /PM0/PWS_POLPR_SUBJCT. 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 /PM0/PWS_POLPR_SUBJCT 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_/PM0/PWS_POLPR_SUBJCT TYPE STANDARD TABLE OF /PM0/PWS_POLPR_SUBJCT,
      WA_/PM0/PWS_POLPR_SUBJCT TYPE /PM0/PWS_POLPR_SUBJCT,
      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: </PM0/PWS_POLPR_SUBJCT> TYPE /PM0/PWS_POLPR_SUBJCT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PM0/PWS_POLPR_SUBJCT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PM0/PWS_POLPR_SUBJCT
  INTO TABLE IT_/PM0/PWS_POLPR_SUBJCT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/PWS_POLPR_SUBJCT
*  INTO TABLE @DATA(IT_/PM0/PWS_POLPR_SUBJCT2).
*--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_/PM0/PWS_POLPR_SUBJCT INDEX 1 INTO DATA(WA_/PM0/PWS_POLPR_SUBJCT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PM0/PWS_POLPR_SUBJCT ASSIGNING </PM0/PWS_POLPR_SUBJCT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/PWS_POLPR_SUBJCT>-CONTROLLER = 1.
</PM0/PWS_POLPR_SUBJCT>-ACQUISITION_DT = 1.
</PM0/PWS_POLPR_SUBJCT>-AGEATENTRY_VL = 1.
</PM0/PWS_POLPR_SUBJCT>-AGEATEXPIRAT_VL = 1.
</PM0/PWS_POLPR_SUBJCT>-AGEGROUP_CD = 1.

ENDLOOP.

LOOP AT IT_/PM0/PWS_POLPR_SUBJCT INTO WA_/PM0/PWS_POLPR_SUBJCT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/PWS_POLPR_SUBJCT-BIRTH_DT, sy-vline,
  WA_/PM0/PWS_POLPR_SUBJCT-BLDKIND_ID, sy-vline,
  WA_/PM0/PWS_POLPR_SUBJCT-BUILDINHABIT_FG, sy-vline,
  WA_/PM0/PWS_POLPR_SUBJCT-BUILTYPECLASS_CD, sy-vline,
  WA_/PM0/PWS_POLPR_SUBJCT-CATECLASSCOMP_TT, sy-vline,
  WA_/PM0/PWS_POLPR_SUBJCT-CATECLASSDEAL_TT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/PWS_POLPR_SUBJCT 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_/PM0/PWS_POLPR_SUBJCT 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_/PM0/PWS_POLPR_SUBJCT INTO WA_/PM0/PWS_POLPR_SUBJCT.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/PM0/PWS_POLPR_SUBJCT_STR, 
CONTROLLER TYPE STRING,
ACQUISITION_DT TYPE STRING,
AGEATENTRY_VL TYPE STRING,
AGEATEXPIRAT_VL TYPE STRING,
AGEGROUP_CD TYPE STRING,
BIRTH_DT TYPE STRING,
BLDKIND_ID TYPE STRING,
BUILDINHABIT_FG TYPE STRING,
BUILTYPECLASS_CD TYPE STRING,
CATECLASSCOMP_TT TYPE STRING,
CATECLASSDEAL_TT TYPE STRING,
CATEGORYCLASS_TT TYPE STRING,
CK_CD TYPE STRING,
COMMERCIALUSE_VL TYPE STRING,
COVERSURFAREA_UT TYPE STRING,
COVERSURFAREA_VL TYPE STRING,
FIGHTINGDOG_FG TYPE STRING,
FIRSTREGISTR_DT TYPE STRING,
GENDER_CD TYPE STRING,
GLAZEDAREABUI_UT TYPE STRING,
GLAZEDAREABUI_VL TYPE STRING,
HAZARDCLASS_CD TYPE STRING,
POST_CODE1 TYPE STRING,
HAZARDGRP_CD TYPE STRING,
INSDECNR_TT TYPE STRING,
INSOBJNR_TT TYPE STRING,
INSPERSSTAT_CD TYPE STRING,
INTERIORGLAZ_UT TYPE STRING,
INTERIORGLAZ_VL TYPE STRING,
JOBCLASS_CD TYPE STRING,
JOB_CD TYPE STRING,
KOM_CD TYPE STRING,
LOCBUILTAREA_FG TYPE STRING,
NOPREMRAISE_FG TYPE STRING,
NRRESIDUNITS_AM TYPE STRING,
NUMBERANIMAL_AM TYPE STRING,
NUMBERFLOORS_AM TYPE STRING,
OBJCAT_CD TYPE STRING,
OBJTYP_CD TYPE STRING,
OBJVALKIND_CD TYPE STRING,
OWNERSOCIETY_FG TYPE STRING,
PARKINGAREA_CD TYPE STRING,
PARTNER_ID TYPE STRING,
PLATENUMBER_TT TYPE STRING,
PREFABRIHOUSE_FG TYPE STRING,
PROFESSION_CD TYPE STRING,
RATETYPE_CD TYPE STRING,
READINOCCUPAN_DT TYPE STRING,
REGIONALCLASS_CD TYPE STRING,
RESIDENTSPACE_UT TYPE STRING,
RESIDENTSPACE_VL TYPE STRING,
RISKCODEAN_CD TYPE STRING,
RISKCODE_CD TYPE STRING,
ROLESCD_CD TYPE STRING,
STOREYMEASUR_UT TYPE STRING,
STOREYMEASUR_VL TYPE STRING,
STORMZONE_CD TYPE STRING,
TARIFFZONE_CD TYPE STRING,
UPDATEREQUIRE_FG TYPE STRING,
USERRANGE_CD TYPE STRING,
VALUATIONYEAR_CD TYPE STRING,
YEARCONSTRUCT_DT TYPE STRING,
YEARLYMILEAGE_VL TYPE STRING,
MVA__YMILEAGE_VL TYPE STRING,
PRODUCT_BASE_ID TYPE STRING,
RUNTIME_OBJECT_ID TYPE STRING,
POLPR_SUBJCT_ABDASBINC TYPE STRING,
POLPR_SUBJCT_ABDAINFRD TYPE STRING,
POLPR_SUBJCT_ABDASBADR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/PWS_POLPR_SUBJCT_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_/PM0/PWS_POLPR_SUBJCT_STR-CONTROLLER sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-ACQUISITION_DT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-AGEATENTRY_VL sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-AGEATEXPIRAT_VL sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-AGEGROUP_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-BIRTH_DT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-BLDKIND_ID sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-BUILDINHABIT_FG sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-BUILTYPECLASS_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-CATECLASSCOMP_TT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-CATECLASSDEAL_TT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-CATEGORYCLASS_TT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-CK_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-COMMERCIALUSE_VL sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-COVERSURFAREA_UT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-COVERSURFAREA_VL sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-FIGHTINGDOG_FG sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-FIRSTREGISTR_DT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-GENDER_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-GLAZEDAREABUI_UT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-GLAZEDAREABUI_VL sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-HAZARDCLASS_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-POST_CODE1 sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-HAZARDGRP_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-INSDECNR_TT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-INSOBJNR_TT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-INSPERSSTAT_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-INTERIORGLAZ_UT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-INTERIORGLAZ_VL sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-JOBCLASS_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-JOB_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-KOM_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-LOCBUILTAREA_FG sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-NOPREMRAISE_FG sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-NRRESIDUNITS_AM sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-NUMBERANIMAL_AM sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-NUMBERFLOORS_AM sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-OBJCAT_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-OBJTYP_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-OBJVALKIND_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-OWNERSOCIETY_FG sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-PARKINGAREA_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-PARTNER_ID sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-PLATENUMBER_TT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-PREFABRIHOUSE_FG sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-PROFESSION_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-RATETYPE_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-READINOCCUPAN_DT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-REGIONALCLASS_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-RESIDENTSPACE_UT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-RESIDENTSPACE_VL sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-RISKCODEAN_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-RISKCODE_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-ROLESCD_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-STOREYMEASUR_UT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-STOREYMEASUR_VL sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-STORMZONE_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-TARIFFZONE_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-UPDATEREQUIRE_FG sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-USERRANGE_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-VALUATIONYEAR_CD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-YEARCONSTRUCT_DT sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-YEARLYMILEAGE_VL sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-MVA__YMILEAGE_VL sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-PRODUCT_BASE_ID sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-RUNTIME_OBJECT_ID sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-POLPR_SUBJCT_ABDASBINC sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-POLPR_SUBJCT_ABDAINFRD sy-vline 
WA_/PM0/PWS_POLPR_SUBJCT_STR-POLPR_SUBJCT_ABDASBADR sy-vline      INTO ld_text SEPARATED BY SPACE.

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