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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/ABQAPOLICY
*  INTO TABLE @DATA(IT_/PM0/ABQAPOLICY2).
*--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/ABQAPOLICY INDEX 1 INTO DATA(WA_/PM0/ABQAPOLICY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/ABQAPOLICY>-BO_ID = 1.
</PM0/ABQAPOLICY>-PARENT_ID = 1.
</PM0/ABQAPOLICY>-VERSION_ID = 1.
</PM0/ABQAPOLICY>-TODELETE_FG = 1.
</PM0/ABQAPOLICY>-ID_ATTR = 1.

ENDLOOP.

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

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


*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/ABQAPOLICY-POLICYNR_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABQAPOLICY-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/ABQAPOLICY-POLICYNROLD_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABQAPOLICY-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/ABQAPOLICY-PAGNO_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABQAPOLICY-PAGNO_ID.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field MPOLICY_NR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABQAPOLICY-MPOLICY_NR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABQAPOLICY-MPOLICY_NR.
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/ABQAPOLICY_STR, 
BO_ID TYPE STRING,
PARENT_ID TYPE STRING,
VERSION_ID TYPE STRING,
TODELETE_FG TYPE STRING,
ID_ATTR 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,
NOTE_FG TYPE STRING,
STARTTIME_TM TYPE STRING,
STARTTIMEZONE_TT TYPE STRING,
ACQUISTP_CD TYPE STRING,
PAGNO_ID TYPE STRING,
DUPOL_ID TYPE STRING,
GENERATION_DT TYPE STRING,
SOURGENERDATE_CD TYPE STRING,
PM_ID TYPE STRING,
MPOLVERSION_ID TYPE STRING,
BUSOBJ_TYPE_NN TYPE STRING,
BUSOBJ_ID_NN TYPE STRING,
BUSOBJ_VERS_NN TYPE STRING,
REM_BUSCASE_TYP_NN TYPE STRING,
REM_BUSCASE_ID_NN TYPE STRING,
PROC_ID TYPE STRING,
VALID_FROM_DT TYPE STRING,
LOB_CD TYPE STRING,
APPLNR_CD TYPE STRING,
BOSTAT_CD TYPE STRING,
COMPANYKEY_ID TYPE STRING,
APPL_DT TYPE STRING,
MODNAME_TT TYPE STRING,
MOD_TS TYPE STRING,
GENERATIO_DET_DT TYPE STRING,
POLPROCESS_FG TYPE STRING,
MPOLICY_NR TYPE STRING,
PARTICIPATION_FG TYPE STRING,
NOACTIVE_CTRCTS_FG TYPE STRING,
DEPENDSTATUS_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/ABQAPOLICY_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/ABQAPOLICY_STR-BO_ID sy-vline 
WA_/PM0/ABQAPOLICY_STR-PARENT_ID sy-vline 
WA_/PM0/ABQAPOLICY_STR-VERSION_ID sy-vline 
WA_/PM0/ABQAPOLICY_STR-TODELETE_FG sy-vline 
WA_/PM0/ABQAPOLICY_STR-ID_ATTR sy-vline 
WA_/PM0/ABQAPOLICY_STR-POLICYNR_TT sy-vline 
WA_/PM0/ABQAPOLICY_STR-POLICYNROLD_TT sy-vline 
WA_/PM0/ABQAPOLICY_STR-EXCHANGERATE_TP sy-vline 
WA_/PM0/ABQAPOLICY_STR-CURRENCY_ID sy-vline 
WA_/PM0/ABQAPOLICY_STR-SALECH_CD sy-vline 
WA_/PM0/ABQAPOLICY_STR-POLBEG_DT sy-vline 
WA_/PM0/ABQAPOLICY_STR-NOTE_FG sy-vline 
WA_/PM0/ABQAPOLICY_STR-STARTTIME_TM sy-vline 
WA_/PM0/ABQAPOLICY_STR-STARTTIMEZONE_TT sy-vline 
WA_/PM0/ABQAPOLICY_STR-ACQUISTP_CD sy-vline 
WA_/PM0/ABQAPOLICY_STR-PAGNO_ID sy-vline 
WA_/PM0/ABQAPOLICY_STR-DUPOL_ID sy-vline 
WA_/PM0/ABQAPOLICY_STR-GENERATION_DT sy-vline 
WA_/PM0/ABQAPOLICY_STR-SOURGENERDATE_CD sy-vline 
WA_/PM0/ABQAPOLICY_STR-PM_ID sy-vline 
WA_/PM0/ABQAPOLICY_STR-MPOLVERSION_ID sy-vline 
WA_/PM0/ABQAPOLICY_STR-BUSOBJ_TYPE_NN sy-vline 
WA_/PM0/ABQAPOLICY_STR-BUSOBJ_ID_NN sy-vline 
WA_/PM0/ABQAPOLICY_STR-BUSOBJ_VERS_NN sy-vline 
WA_/PM0/ABQAPOLICY_STR-REM_BUSCASE_TYP_NN sy-vline 
WA_/PM0/ABQAPOLICY_STR-REM_BUSCASE_ID_NN sy-vline 
WA_/PM0/ABQAPOLICY_STR-PROC_ID sy-vline 
WA_/PM0/ABQAPOLICY_STR-VALID_FROM_DT sy-vline 
WA_/PM0/ABQAPOLICY_STR-LOB_CD sy-vline 
WA_/PM0/ABQAPOLICY_STR-APPLNR_CD sy-vline 
WA_/PM0/ABQAPOLICY_STR-BOSTAT_CD sy-vline 
WA_/PM0/ABQAPOLICY_STR-COMPANYKEY_ID sy-vline 
WA_/PM0/ABQAPOLICY_STR-APPL_DT sy-vline 
WA_/PM0/ABQAPOLICY_STR-MODNAME_TT sy-vline 
WA_/PM0/ABQAPOLICY_STR-MOD_TS sy-vline 
WA_/PM0/ABQAPOLICY_STR-GENERATIO_DET_DT sy-vline 
WA_/PM0/ABQAPOLICY_STR-POLPROCESS_FG sy-vline 
WA_/PM0/ABQAPOLICY_STR-MPOLICY_NR sy-vline 
WA_/PM0/ABQAPOLICY_STR-PARTICIPATION_FG sy-vline 
WA_/PM0/ABQAPOLICY_STR-NOACTIVE_CTRCTS_FG sy-vline 
WA_/PM0/ABQAPOLICY_STR-DEPENDSTATUS_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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