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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/ALD_CM_CTRCHG_REDODATA
*  INTO TABLE @DATA(IT_/PM0/ALD_CM_CTRCHG_REDODATA2).
*--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/ALD_CM_CTRCHG_REDODATA INDEX 1 INTO DATA(WA_/PM0/ALD_CM_CTRCHG_REDODATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/ALD_CM_CTRCHG_REDODATA>-BO_ID = 1.
</PM0/ALD_CM_CTRCHG_REDODATA>-SECPOL_ID = 1.
</PM0/ALD_CM_CTRCHG_REDODATA>-JOURNALNO_ID = 1.
</PM0/ALD_CM_CTRCHG_REDODATA>-APPL_ID = 1.
</PM0/ALD_CM_CTRCHG_REDODATA>-POLICYPRODUCT_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/ALD_CM_CTRCHG_REDODATA-CLAIM_NR, sy-vline,
  WA_/PM0/ALD_CM_CTRCHG_REDODATA-IS_WRITE_PM_KEY, sy-vline,
  WA_/PM0/ALD_CM_CTRCHG_REDODATA-POLICY_NR, sy-vline,
  WA_/PM0/ALD_CM_CTRCHG_REDODATA-POLPR_NR, sy-vline,
  WA_/PM0/ALD_CM_CTRCHG_REDODATA-EFFECTIVE_DT, sy-vline,
  WA_/PM0/ALD_CM_CTRCHG_REDODATA-IV_CLAIM_NR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/ALD_CM_CTRCHG_REDODATA 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/ALD_CM_CTRCHG_REDODATA 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/ALD_CM_CTRCHG_REDODATA INTO WA_/PM0/ALD_CM_CTRCHG_REDODATA.


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

*Conversion exit ALPHA, internal->external for field POLPR_NR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ALD_CM_CTRCHG_REDODATA-POLPR_NR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ALD_CM_CTRCHG_REDODATA-POLPR_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/ALD_CM_CTRCHG_REDODATA_STR, 
BO_ID TYPE STRING,
SECPOL_ID TYPE STRING,
JOURNALNO_ID TYPE STRING,
APPL_ID TYPE STRING,
POLICYPRODUCT_ID TYPE STRING,
CLAIM_NR TYPE STRING,
IS_WRITE_PM_KEY TYPE STRING,
POLICY_NR TYPE STRING,
POLPR_NR TYPE STRING,
EFFECTIVE_DT TYPE STRING,
IV_CLAIM_NR TYPE STRING,
IT_SUBCLAIM TYPE STRING,
IV_LOSSTYPE_CD TYPE STRING,
IV_LOSSCAUSE_CD TYPE STRING,
IT_BNFCALC TYPE STRING,
IV_CALC_DT TYPE STRING,
IV_BASISVALUE_DT TYPE STRING,
IT_COVERAGE TYPE STRING,
IT_PART_VALUE TYPE STRING,
IT_DEAD_INSPERS TYPE STRING,
IT_FUNDDATA TYPE STRING,
IV_PRIMACY TYPE STRING,
IV_PREMCOLLEND_DT TYPE STRING,
IT_ACCLOAN TYPE STRING,
IT_CHARGE TYPE STRING,
IT_TAXES TYPE STRING,
IT_TAXJOUR TYPE STRING,
IV_COMMISPOSTTX_CD TYPE STRING,
IV_ORDERGEN_ID TYPE STRING,
IF_SKIP_CALC_CHECK TYPE STRING,
IF_UNLOCK_CONTRACT TYPE STRING,
IF_UPDATE_TASK TYPE STRING,
IF_EXECUTE_CALLBACK TYPE STRING,
IV_USERNAME TYPE STRING,
EXTENSIONIN TYPE STRING,
EXTENSIONOUT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/ALD_CM_CTRCHG_REDODATA_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/ALD_CM_CTRCHG_REDODATA_STR-BO_ID sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-SECPOL_ID sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-JOURNALNO_ID sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-APPL_ID sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-POLICYPRODUCT_ID sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-CLAIM_NR sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IS_WRITE_PM_KEY sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-POLICY_NR sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-POLPR_NR sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-EFFECTIVE_DT sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IV_CLAIM_NR sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IT_SUBCLAIM sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IV_LOSSTYPE_CD sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IV_LOSSCAUSE_CD sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IT_BNFCALC sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IV_CALC_DT sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IV_BASISVALUE_DT sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IT_COVERAGE sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IT_PART_VALUE sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IT_DEAD_INSPERS sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IT_FUNDDATA sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IV_PRIMACY sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IV_PREMCOLLEND_DT sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IT_ACCLOAN sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IT_CHARGE sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IT_TAXES sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IT_TAXJOUR sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IV_COMMISPOSTTX_CD sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IV_ORDERGEN_ID sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IF_SKIP_CALC_CHECK sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IF_UNLOCK_CONTRACT sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IF_UPDATE_TASK sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IF_EXECUTE_CALLBACK sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-IV_USERNAME sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-EXTENSIONIN sy-vline 
WA_/PM0/ALD_CM_CTRCHG_REDODATA_STR-EXTENSIONOUT sy-vline      INTO ld_text SEPARATED BY SPACE.

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