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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/ABCYPOLICY
*  INTO TABLE @DATA(IT_/PM0/ABCYPOLICY2).
*--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/ABCYPOLICY INDEX 1 INTO DATA(WA_/PM0/ABCYPOLICY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/ABCYPOLICY>-CLIENT = 1.
</PM0/ABCYPOLICY>-SECPOL_ID = 1.
</PM0/ABCYPOLICY>-JOURNALENDNO_ID = 1.
</PM0/ABCYPOLICY>-JOURNALNO_ID = 1.
</PM0/ABCYPOLICY>-CANCEL_FG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/ABCYPOLICY-POLICYNR_TT, sy-vline,
  WA_/PM0/ABCYPOLICY-POLICYNROLD_TT, sy-vline,
  WA_/PM0/ABCYPOLICY-EXCHANGERATE_TP, sy-vline,
  WA_/PM0/ABCYPOLICY-CURRENCY_ID, sy-vline,
  WA_/PM0/ABCYPOLICY-SALECH_CD, sy-vline,
  WA_/PM0/ABCYPOLICY-POLBEG_DT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/ABCYPOLICY 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/ABCYPOLICY 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/ABCYPOLICY INTO WA_/PM0/ABCYPOLICY.


*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 POLICYNR_TT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABCYPOLICY-POLICYNR_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABCYPOLICY-POLICYNR_TT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field POLICYNROLD_TT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABCYPOLICY-POLICYNROLD_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABCYPOLICY-POLICYNROLD_TT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PAGNO_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABCYPOLICY-PAGNO_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABCYPOLICY-PAGNO_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AMNNR_TT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABCYPOLICY-AMNNR_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABCYPOLICY-AMNNR_TT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MPATTERN_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABCYPOLICY-MPATTERN_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABCYPOLICY-MPATTERN_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MPOLICY_NR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABCYPOLICY-MPOLICY_NR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABCYPOLICY-MPOLICY_NR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field POLICYNRPRDCSSR_TT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABCYPOLICY-POLICYNRPRDCSSR_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABCYPOLICY-POLICYNRPRDCSSR_TT.
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_/PM0/ABCYPOLICY_STR, 
CLIENT TYPE STRING,
SECPOL_ID TYPE STRING,
JOURNALENDNO_ID TYPE STRING,
JOURNALNO_ID TYPE STRING,
CANCEL_FG TYPE STRING,
POLICYNR_TT TYPE STRING,
POLICYNROLD_TT TYPE STRING,
EXCHANGERATE_TP TYPE STRING,
CURRENCY_ID TYPE STRING,
SALECH_CD TYPE STRING,
POLBEG_DT TYPE STRING,
COMMENT_ID TYPE STRING,
STARTTIME_TM TYPE STRING,
STARTTIMEZONE_TT TYPE STRING,
ACQUISTP_CD TYPE STRING,
PAGNO_ID TYPE STRING,
COMMISPOSTTX_CD TYPE STRING,
DUPOL_ID TYPE STRING,
BOSTAT_CD TYPE STRING,
GENERATION_DT TYPE STRING,
SOURGENERDATE_CD TYPE STRING,
PM_ID TYPE STRING,
POLPOLICY_ID TYPE STRING,
ORIGSTATE_TS TYPE STRING,
AMNNR_TT TYPE STRING,
AMDAPLPOL_ID TYPE STRING,
AMENDMEMO_TT TYPE STRING,
AMDOFFER_FG TYPE STRING,
COMMISPENDING_FG TYPE STRING,
AMDOFFRREASON_CD TYPE STRING,
MPOLJOURNO_ID TYPE STRING,
MPATTERN_ID TYPE STRING,
PREDEF_TEXT_CD TYPE STRING,
MPOLICY_NR TYPE STRING,
COMPANYKEY_ID TYPE STRING,
PARTICIPATION_FG TYPE STRING,
GENERATIO_DET_DT TYPE STRING,
POLPROCESS_FG TYPE STRING,
SHIFTMODE_CD TYPE STRING,
SUBJDPLPOL_CD TYPE STRING,
REASSESSMENT_FG TYPE STRING,
REASSESSMEMO_ID TYPE STRING,
PRMXMPTENDSPE_CD TYPE STRING,
NOACTIVE_CTRCTS_FG TYPE STRING,
DEPENDSTATUS_ID TYPE STRING,
POLICYNRPRDCSSR_TT TYPE STRING,
CUSTOMER_PB_CI TYPE STRING,
BO_CD TYPE STRING,
CHANGE_TS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/ABCYPOLICY_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/ABCYPOLICY_STR-CLIENT sy-vline 
WA_/PM0/ABCYPOLICY_STR-SECPOL_ID sy-vline 
WA_/PM0/ABCYPOLICY_STR-JOURNALENDNO_ID sy-vline 
WA_/PM0/ABCYPOLICY_STR-JOURNALNO_ID sy-vline 
WA_/PM0/ABCYPOLICY_STR-CANCEL_FG sy-vline 
WA_/PM0/ABCYPOLICY_STR-POLICYNR_TT sy-vline 
WA_/PM0/ABCYPOLICY_STR-POLICYNROLD_TT sy-vline 
WA_/PM0/ABCYPOLICY_STR-EXCHANGERATE_TP sy-vline 
WA_/PM0/ABCYPOLICY_STR-CURRENCY_ID sy-vline 
WA_/PM0/ABCYPOLICY_STR-SALECH_CD sy-vline 
WA_/PM0/ABCYPOLICY_STR-POLBEG_DT sy-vline 
WA_/PM0/ABCYPOLICY_STR-COMMENT_ID sy-vline 
WA_/PM0/ABCYPOLICY_STR-STARTTIME_TM sy-vline 
WA_/PM0/ABCYPOLICY_STR-STARTTIMEZONE_TT sy-vline 
WA_/PM0/ABCYPOLICY_STR-ACQUISTP_CD sy-vline 
WA_/PM0/ABCYPOLICY_STR-PAGNO_ID sy-vline 
WA_/PM0/ABCYPOLICY_STR-COMMISPOSTTX_CD sy-vline 
WA_/PM0/ABCYPOLICY_STR-DUPOL_ID sy-vline 
WA_/PM0/ABCYPOLICY_STR-BOSTAT_CD sy-vline 
WA_/PM0/ABCYPOLICY_STR-GENERATION_DT sy-vline 
WA_/PM0/ABCYPOLICY_STR-SOURGENERDATE_CD sy-vline 
WA_/PM0/ABCYPOLICY_STR-PM_ID sy-vline 
WA_/PM0/ABCYPOLICY_STR-POLPOLICY_ID sy-vline 
WA_/PM0/ABCYPOLICY_STR-ORIGSTATE_TS sy-vline 
WA_/PM0/ABCYPOLICY_STR-AMNNR_TT sy-vline 
WA_/PM0/ABCYPOLICY_STR-AMDAPLPOL_ID sy-vline 
WA_/PM0/ABCYPOLICY_STR-AMENDMEMO_TT sy-vline 
WA_/PM0/ABCYPOLICY_STR-AMDOFFER_FG sy-vline 
WA_/PM0/ABCYPOLICY_STR-COMMISPENDING_FG sy-vline 
WA_/PM0/ABCYPOLICY_STR-AMDOFFRREASON_CD sy-vline 
WA_/PM0/ABCYPOLICY_STR-MPOLJOURNO_ID sy-vline 
WA_/PM0/ABCYPOLICY_STR-MPATTERN_ID sy-vline 
WA_/PM0/ABCYPOLICY_STR-PREDEF_TEXT_CD sy-vline 
WA_/PM0/ABCYPOLICY_STR-MPOLICY_NR sy-vline 
WA_/PM0/ABCYPOLICY_STR-COMPANYKEY_ID sy-vline 
WA_/PM0/ABCYPOLICY_STR-PARTICIPATION_FG sy-vline 
WA_/PM0/ABCYPOLICY_STR-GENERATIO_DET_DT sy-vline 
WA_/PM0/ABCYPOLICY_STR-POLPROCESS_FG sy-vline 
WA_/PM0/ABCYPOLICY_STR-SHIFTMODE_CD sy-vline 
WA_/PM0/ABCYPOLICY_STR-SUBJDPLPOL_CD sy-vline 
WA_/PM0/ABCYPOLICY_STR-REASSESSMENT_FG sy-vline 
WA_/PM0/ABCYPOLICY_STR-REASSESSMEMO_ID sy-vline 
WA_/PM0/ABCYPOLICY_STR-PRMXMPTENDSPE_CD sy-vline 
WA_/PM0/ABCYPOLICY_STR-NOACTIVE_CTRCTS_FG sy-vline 
WA_/PM0/ABCYPOLICY_STR-DEPENDSTATUS_ID sy-vline 
WA_/PM0/ABCYPOLICY_STR-POLICYNRPRDCSSR_TT sy-vline 
WA_/PM0/ABCYPOLICY_STR-CUSTOMER_PB_CI sy-vline 
WA_/PM0/ABCYPOLICY_STR-BO_CD sy-vline 
WA_/PM0/ABCYPOLICY_STR-CHANGE_TS sy-vline      INTO ld_text SEPARATED BY SPACE.

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