ABAP Select data from SAP table /PM0/ROXGL40158 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PM0/ROXGL40158 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/ROXGL40158. 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/ROXGL40158 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/ROXGL40158 TYPE STANDARD TABLE OF /PM0/ROXGL40158,
      WA_/PM0/ROXGL40158 TYPE /PM0/ROXGL40158,
      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/ROXGL40158> TYPE /PM0/ROXGL40158.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PM0/ROXGL40158.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PM0/ROXGL40158
  INTO TABLE IT_/PM0/ROXGL40158.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/ROXGL40158
*  INTO TABLE @DATA(IT_/PM0/ROXGL401582).
*--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/ROXGL40158 INDEX 1 INTO DATA(WA_/PM0/ROXGL401582).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PM0/ROXGL40158 ASSIGNING </PM0/ROXGL40158>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/ROXGL40158>-CLIENT = 1.
</PM0/ROXGL40158>-SETTLE_GD = 1.
</PM0/ROXGL40158>-TRANSFER_ID = 1.
</PM0/ROXGL40158>-SETTLE_ID = 1.
</PM0/ROXGL40158>-SETTLE_DT = 1.

ENDLOOP.

LOOP AT IT_/PM0/ROXGL40158 INTO WA_/PM0/ROXGL40158.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/ROXGL40158-IS_INTERNAL_FG, sy-vline,
  WA_/PM0/ROXGL40158-IS_SOURCE_FG, sy-vline,
  WA_/PM0/ROXGL40158-SETTLED_FG, sy-vline,
  WA_/PM0/ROXGL40158-CURRENCY_ID, sy-vline,
  WA_/PM0/ROXGL40158-POLICYNR_TT, sy-vline,
  WA_/PM0/ROXGL40158-POLPM_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/ROXGL40158 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/ROXGL40158 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/ROXGL40158 INTO WA_/PM0/ROXGL40158.


*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/ROXGL40158-POLICYNR_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ROXGL40158-POLICYNR_TT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field APPLNR_TT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ROXGL40158-APPLNR_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ROXGL40158-APPLNR_TT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EXTBP_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ROXGL40158-EXTBP_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ROXGL40158-EXTBP_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSOBJ_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ROXGL40158-INSOBJ_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ROXGL40158-INSOBJ_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit J7ADR, internal->external for field ADDRESSNUMBER_ID
CALL FUNCTION 'CONVERSION_EXIT_J7ADR_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ROXGL40158-ADDRESSNUMBER_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ROXGL40158-ADDRESSNUMBER_ID.
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/ROXGL40158_STR, 
CLIENT TYPE STRING,
SETTLE_GD TYPE STRING,
TRANSFER_ID TYPE STRING,
SETTLE_ID TYPE STRING,
SETTLE_DT TYPE STRING,
IS_INTERNAL_FG TYPE STRING,
IS_SOURCE_FG TYPE STRING,
SETTLED_FG TYPE STRING,
CURRENCY_ID TYPE STRING,
POLICYNR_TT TYPE STRING,
POLPM_ID TYPE STRING,
APPLNR_TT TYPE STRING,
PPDPM_ID TYPE STRING,
DISTKEY_VL TYPE STRING,
SURR_VAL_AM TYPE STRING,
FUND_VAL_AM TYPE STRING,
COV_VAL_AM TYPE STRING,
FIN_SURP_AM TYPE STRING,
ACC_INT_SURP_AM TYPE STRING,
TRANS_EXP_AM TYPE STRING,
TAX_VAL_AM TYPE STRING,
RELEASE_DT TYPE STRING,
POLPRODBEG_DT TYPE STRING,
FUNDLINKED_FG TYPE STRING,
LOANVAL_AM TYPE STRING,
DISTVAL_AM TYPE STRING,
CFVAL_AM TYPE STRING,
EXTLOB_CD TYPE STRING,
DESCRPOLPR_TT TYPE STRING,
EXTBP_ID TYPE STRING,
CLEARDATE_DT TYPE STRING,
INSOBJ_ID TYPE STRING,
BASISVALUE_DT TYPE STRING,
GROSSAMOUNT_AM TYPE STRING,
NETAMOUNT_AM TYPE STRING,
BASISVALUEDT_CD TYPE STRING,
ADDRESSNUMBER_ID TYPE STRING,
CHANGEUSR_TT TYPE STRING,
CHANGE_TS TYPE STRING,
RECORDUSR_TT TYPE STRING,
RECORD_TS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/ROXGL40158_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/ROXGL40158_STR-CLIENT sy-vline 
WA_/PM0/ROXGL40158_STR-SETTLE_GD sy-vline 
WA_/PM0/ROXGL40158_STR-TRANSFER_ID sy-vline 
WA_/PM0/ROXGL40158_STR-SETTLE_ID sy-vline 
WA_/PM0/ROXGL40158_STR-SETTLE_DT sy-vline 
WA_/PM0/ROXGL40158_STR-IS_INTERNAL_FG sy-vline 
WA_/PM0/ROXGL40158_STR-IS_SOURCE_FG sy-vline 
WA_/PM0/ROXGL40158_STR-SETTLED_FG sy-vline 
WA_/PM0/ROXGL40158_STR-CURRENCY_ID sy-vline 
WA_/PM0/ROXGL40158_STR-POLICYNR_TT sy-vline 
WA_/PM0/ROXGL40158_STR-POLPM_ID sy-vline 
WA_/PM0/ROXGL40158_STR-APPLNR_TT sy-vline 
WA_/PM0/ROXGL40158_STR-PPDPM_ID sy-vline 
WA_/PM0/ROXGL40158_STR-DISTKEY_VL sy-vline 
WA_/PM0/ROXGL40158_STR-SURR_VAL_AM sy-vline 
WA_/PM0/ROXGL40158_STR-FUND_VAL_AM sy-vline 
WA_/PM0/ROXGL40158_STR-COV_VAL_AM sy-vline 
WA_/PM0/ROXGL40158_STR-FIN_SURP_AM sy-vline 
WA_/PM0/ROXGL40158_STR-ACC_INT_SURP_AM sy-vline 
WA_/PM0/ROXGL40158_STR-TRANS_EXP_AM sy-vline 
WA_/PM0/ROXGL40158_STR-TAX_VAL_AM sy-vline 
WA_/PM0/ROXGL40158_STR-RELEASE_DT sy-vline 
WA_/PM0/ROXGL40158_STR-POLPRODBEG_DT sy-vline 
WA_/PM0/ROXGL40158_STR-FUNDLINKED_FG sy-vline 
WA_/PM0/ROXGL40158_STR-LOANVAL_AM sy-vline 
WA_/PM0/ROXGL40158_STR-DISTVAL_AM sy-vline 
WA_/PM0/ROXGL40158_STR-CFVAL_AM sy-vline 
WA_/PM0/ROXGL40158_STR-EXTLOB_CD sy-vline 
WA_/PM0/ROXGL40158_STR-DESCRPOLPR_TT sy-vline 
WA_/PM0/ROXGL40158_STR-EXTBP_ID sy-vline 
WA_/PM0/ROXGL40158_STR-CLEARDATE_DT sy-vline 
WA_/PM0/ROXGL40158_STR-INSOBJ_ID sy-vline 
WA_/PM0/ROXGL40158_STR-BASISVALUE_DT sy-vline 
WA_/PM0/ROXGL40158_STR-GROSSAMOUNT_AM sy-vline 
WA_/PM0/ROXGL40158_STR-NETAMOUNT_AM sy-vline 
WA_/PM0/ROXGL40158_STR-BASISVALUEDT_CD sy-vline 
WA_/PM0/ROXGL40158_STR-ADDRESSNUMBER_ID sy-vline 
WA_/PM0/ROXGL40158_STR-CHANGEUSR_TT sy-vline 
WA_/PM0/ROXGL40158_STR-CHANGE_TS sy-vline 
WA_/PM0/ROXGL40158_STR-RECORDUSR_TT sy-vline 
WA_/PM0/ROXGL40158_STR-RECORD_TS sy-vline      INTO ld_text SEPARATED BY SPACE.

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