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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/ALCYPPDSTL
*  INTO TABLE @DATA(IT_/PM0/ALCYPPDSTL2).
*--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/ALCYPPDSTL INDEX 1 INTO DATA(WA_/PM0/ALCYPPDSTL2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/ALCYPPDSTL-POLPRSETTLE_ID, sy-vline,
  WA_/PM0/ALCYPPDSTL-PPDPAC_ID, sy-vline,
  WA_/PM0/ALCYPPDSTL-CANCEL_FG, sy-vline,
  WA_/PM0/ALCYPPDSTL-CURRENCY_ID, sy-vline,
  WA_/PM0/ALCYPPDSTL-TAX_VAL_AM, sy-vline,
  WA_/PM0/ALCYPPDSTL-CF_AM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/ALCYPPDSTL 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/ALCYPPDSTL 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/ALCYPPDSTL INTO WA_/PM0/ALCYPPDSTL.


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

*Conversion exit ALPHA, internal->external for field REFAPPLNR_TT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ALCYPPDSTL-REFAPPLNR_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ALCYPPDSTL-REFAPPLNR_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/ALCYPPDSTL_STR, 
CLIENT TYPE STRING,
POLICY_ID TYPE STRING,
POLICYPRODUCT_ID TYPE STRING,
JOURNALENDNO_ID TYPE STRING,
JOURNALNO_ID TYPE STRING,
POLPRSETTLE_ID TYPE STRING,
PPDPAC_ID TYPE STRING,
CANCEL_FG TYPE STRING,
CURRENCY_ID TYPE STRING,
TAX_VAL_AM TYPE STRING,
CF_AM TYPE STRING,
LOB_CD TYPE STRING,
PM_ID TYPE STRING,
SETTLE_DT TYPE STRING,
COUNTINGTYPE_CD TYPE STRING,
DISTKEY_AM TYPE STRING,
DISTKEY_VL TYPE STRING,
PRESETINCL_CD TYPE STRING,
REFUNDFROM_DT TYPE STRING,
REFUNDTO_DT TYPE STRING,
REFUNDPREM_AM TYPE STRING,
REFPOLNR_TT TYPE STRING,
REFAPPLNR_TT TYPE STRING,
REFPROVAPPLNR_FG TYPE STRING,
CUSTOMER_PB_CI TYPE STRING,
BO_CD TYPE STRING,
CHANGE_TS TYPE STRING,
CLIENTL TYPE STRING,
POLICY_IDL TYPE STRING,
POLICYPRODUCT_IDL TYPE STRING,
JOURNALENDNO_IDL TYPE STRING,
JOURNALNO_IDL TYPE STRING,
POLPRSETTLE_IDL TYPE STRING,
PPDPAC_IDL TYPE STRING,
CANCEL_FGL TYPE STRING,
CURR_IDL TYPE STRING,
SURR_VAL_AML TYPE STRING,
FUND_VAL_AML TYPE STRING,
COV_VAL_AML TYPE STRING,
FIN_SURP_AML TYPE STRING,
ACC_INT_SURP_AML TYPE STRING,
TRANS_EXP_AML TYPE STRING,
LOANVAL_AML TYPE STRING,
NETAMOUNT_AML TYPE STRING,
GROSSAMOUNT_AML TYPE STRING,
EXTCAP_AML TYPE STRING,
CUSTOMER_PL_CIL TYPE STRING,
BO_CDL TYPE STRING,
CHANGE_TSL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/ALCYPPDSTL_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/ALCYPPDSTL_STR-CLIENT sy-vline 
WA_/PM0/ALCYPPDSTL_STR-POLICY_ID sy-vline 
WA_/PM0/ALCYPPDSTL_STR-POLICYPRODUCT_ID sy-vline 
WA_/PM0/ALCYPPDSTL_STR-JOURNALENDNO_ID sy-vline 
WA_/PM0/ALCYPPDSTL_STR-JOURNALNO_ID sy-vline 
WA_/PM0/ALCYPPDSTL_STR-POLPRSETTLE_ID sy-vline 
WA_/PM0/ALCYPPDSTL_STR-PPDPAC_ID sy-vline 
WA_/PM0/ALCYPPDSTL_STR-CANCEL_FG sy-vline 
WA_/PM0/ALCYPPDSTL_STR-CURRENCY_ID sy-vline 
WA_/PM0/ALCYPPDSTL_STR-TAX_VAL_AM sy-vline 
WA_/PM0/ALCYPPDSTL_STR-CF_AM sy-vline 
WA_/PM0/ALCYPPDSTL_STR-LOB_CD sy-vline 
WA_/PM0/ALCYPPDSTL_STR-PM_ID sy-vline 
WA_/PM0/ALCYPPDSTL_STR-SETTLE_DT sy-vline 
WA_/PM0/ALCYPPDSTL_STR-COUNTINGTYPE_CD sy-vline 
WA_/PM0/ALCYPPDSTL_STR-DISTKEY_AM sy-vline 
WA_/PM0/ALCYPPDSTL_STR-DISTKEY_VL sy-vline 
WA_/PM0/ALCYPPDSTL_STR-PRESETINCL_CD sy-vline 
WA_/PM0/ALCYPPDSTL_STR-REFUNDFROM_DT sy-vline 
WA_/PM0/ALCYPPDSTL_STR-REFUNDTO_DT sy-vline 
WA_/PM0/ALCYPPDSTL_STR-REFUNDPREM_AM sy-vline 
WA_/PM0/ALCYPPDSTL_STR-REFPOLNR_TT sy-vline 
WA_/PM0/ALCYPPDSTL_STR-REFAPPLNR_TT sy-vline 
WA_/PM0/ALCYPPDSTL_STR-REFPROVAPPLNR_FG sy-vline 
WA_/PM0/ALCYPPDSTL_STR-CUSTOMER_PB_CI sy-vline 
WA_/PM0/ALCYPPDSTL_STR-BO_CD sy-vline 
WA_/PM0/ALCYPPDSTL_STR-CHANGE_TS sy-vline 
WA_/PM0/ALCYPPDSTL_STR-CLIENTL sy-vline 
WA_/PM0/ALCYPPDSTL_STR-POLICY_IDL sy-vline 
WA_/PM0/ALCYPPDSTL_STR-POLICYPRODUCT_IDL sy-vline 
WA_/PM0/ALCYPPDSTL_STR-JOURNALENDNO_IDL sy-vline 
WA_/PM0/ALCYPPDSTL_STR-JOURNALNO_IDL sy-vline 
WA_/PM0/ALCYPPDSTL_STR-POLPRSETTLE_IDL sy-vline 
WA_/PM0/ALCYPPDSTL_STR-PPDPAC_IDL sy-vline 
WA_/PM0/ALCYPPDSTL_STR-CANCEL_FGL sy-vline 
WA_/PM0/ALCYPPDSTL_STR-CURR_IDL sy-vline 
WA_/PM0/ALCYPPDSTL_STR-SURR_VAL_AML sy-vline 
WA_/PM0/ALCYPPDSTL_STR-FUND_VAL_AML sy-vline 
WA_/PM0/ALCYPPDSTL_STR-COV_VAL_AML sy-vline 
WA_/PM0/ALCYPPDSTL_STR-FIN_SURP_AML sy-vline 
WA_/PM0/ALCYPPDSTL_STR-ACC_INT_SURP_AML sy-vline 
WA_/PM0/ALCYPPDSTL_STR-TRANS_EXP_AML sy-vline 
WA_/PM0/ALCYPPDSTL_STR-LOANVAL_AML sy-vline 
WA_/PM0/ALCYPPDSTL_STR-NETAMOUNT_AML sy-vline 
WA_/PM0/ALCYPPDSTL_STR-GROSSAMOUNT_AML sy-vline 
WA_/PM0/ALCYPPDSTL_STR-EXTCAP_AML sy-vline 
WA_/PM0/ALCYPPDSTL_STR-CUSTOMER_PL_CIL sy-vline 
WA_/PM0/ALCYPPDSTL_STR-BO_CDL sy-vline 
WA_/PM0/ALCYPPDSTL_STR-CHANGE_TSL sy-vline      INTO ld_text SEPARATED BY SPACE.

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