ABAP Select data from SAP table /PF1/CV_PAYRULES into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PF1/CV_PAYRULES 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 /PF1/CV_PAYRULES. 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 /PF1/CV_PAYRULES 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_/PF1/CV_PAYRULES TYPE STANDARD TABLE OF /PF1/CV_PAYRULES,
      WA_/PF1/CV_PAYRULES TYPE /PF1/CV_PAYRULES,
      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: </PF1/CV_PAYRULES> TYPE /PF1/CV_PAYRULES.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PF1/CV_PAYRULES.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PF1/CV_PAYRULES
  INTO TABLE IT_/PF1/CV_PAYRULES.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PF1/CV_PAYRULES
*  INTO TABLE @DATA(IT_/PF1/CV_PAYRULES2).
*--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_/PF1/CV_PAYRULES INDEX 1 INTO DATA(WA_/PF1/CV_PAYRULES2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PF1/CV_PAYRULES ASSIGNING </PF1/CV_PAYRULES>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PF1/CV_PAYRULES>-MANDT = 1.
</PF1/CV_PAYRULES>-CLEARINGAREA = 1.
</PF1/CV_PAYRULES>-RELEASESTATUS = 1.
</PF1/CV_PAYRULES>-COMPONENTID = 1.
</PF1/CV_PAYRULES>-ROUTEID = 1.

ENDLOOP.

LOOP AT IT_/PF1/CV_PAYRULES INTO WA_/PF1/CV_PAYRULES.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PF1/CV_PAYRULES-RULEID, sy-vline,
  WA_/PF1/CV_PAYRULES-PAYMENTRULEGUID, sy-vline,
  WA_/PF1/CV_PAYRULES-ROUTEDESCRIPTION, sy-vline,
  WA_/PF1/CV_PAYRULES-SEQUENCEID, sy-vline,
  WA_/PF1/CV_PAYRULES-STATUS, sy-vline,
  WA_/PF1/CV_PAYRULES-PAYMENTAGREEMENTID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PF1/CV_PAYRULES 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_/PF1/CV_PAYRULES 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_/PF1/CV_PAYRULES INTO WA_/PF1/CV_PAYRULES.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/PF1/CV_PAYRULES_STR, 
MANDT TYPE STRING,
CLEARINGAREA TYPE STRING,
RELEASESTATUS TYPE STRING,
COMPONENTID TYPE STRING,
ROUTEID TYPE STRING,
RULEID TYPE STRING,
PAYMENTRULEGUID TYPE STRING,
ROUTEDESCRIPTION TYPE STRING,
SEQUENCEID TYPE STRING,
STATUS TYPE STRING,
PAYMENTAGREEMENTID TYPE STRING,
PAYMENTAGREEMENTDESCRIPTION TYPE STRING,
RULEDESCRIPTION TYPE STRING,
RELEASESTATUSCODE TYPE STRING,
CREATIONUSER TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
CHANGEUSER TYPE STRING,
CHANGEDATE TYPE STRING,
CHANGETIME TYPE STRING,
RELEASEUSER TYPE STRING,
RELEASEDATE TYPE STRING,
RELEASETIME TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODEDESC TYPE STRING,
BANKACCOUNTTECHNICALID TYPE STRING,
ROUTEACCOUNTNUMBER TYPE STRING,
ROUTEACCOUNTCURRENCY TYPE STRING,
ROUTEACCOUNTCOUNTRY TYPE STRING,
ROUTEBANKKEY TYPE STRING,
ROUTEIBAN TYPE STRING,
ROUTEBIC TYPE STRING,
FLAGMESSAGEFORWARDING TYPE STRING,
FLAGMESSAGEFORWARDINGDESC TYPE STRING,
OUTGOINGFORMAT TYPE STRING,
OUTGOINGFORMATDESC TYPE STRING,
MEDIUM TYPE STRING,
MEDIUMDESC TYPE STRING,
CHANNEL TYPE STRING,
CHANNELDESC TYPE STRING,
CONDITIONSLONGTEXT TYPE STRING,
RELEASESTATUSTEXT TYPE STRING,
RELEASESTATUSSTATE TYPE STRING,
RELEASESTATUSCRITICALITYIND TYPE STRING,
HASRELATEDVERSION TYPE STRING,
PAYMENTRULESEMANTICKEY TYPE STRING,
RESERVEDBY TYPE STRING,
RESERVEDBYUSERNAME TYPE STRING,
PAYMENTRULESETSEMANTICKEY TYPE STRING,
PAYMENTRULESETGUID TYPE STRING,
RULESETID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PF1/CV_PAYRULES_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_/PF1/CV_PAYRULES_STR-MANDT sy-vline 
WA_/PF1/CV_PAYRULES_STR-CLEARINGAREA sy-vline 
WA_/PF1/CV_PAYRULES_STR-RELEASESTATUS sy-vline 
WA_/PF1/CV_PAYRULES_STR-COMPONENTID sy-vline 
WA_/PF1/CV_PAYRULES_STR-ROUTEID sy-vline 
WA_/PF1/CV_PAYRULES_STR-RULEID sy-vline 
WA_/PF1/CV_PAYRULES_STR-PAYMENTRULEGUID sy-vline 
WA_/PF1/CV_PAYRULES_STR-ROUTEDESCRIPTION sy-vline 
WA_/PF1/CV_PAYRULES_STR-SEQUENCEID sy-vline 
WA_/PF1/CV_PAYRULES_STR-STATUS sy-vline 
WA_/PF1/CV_PAYRULES_STR-PAYMENTAGREEMENTID sy-vline 
WA_/PF1/CV_PAYRULES_STR-PAYMENTAGREEMENTDESCRIPTION sy-vline 
WA_/PF1/CV_PAYRULES_STR-RULEDESCRIPTION sy-vline 
WA_/PF1/CV_PAYRULES_STR-RELEASESTATUSCODE sy-vline 
WA_/PF1/CV_PAYRULES_STR-CREATIONUSER sy-vline 
WA_/PF1/CV_PAYRULES_STR-CREATIONDATE sy-vline 
WA_/PF1/CV_PAYRULES_STR-CREATIONTIME sy-vline 
WA_/PF1/CV_PAYRULES_STR-CHANGEUSER sy-vline 
WA_/PF1/CV_PAYRULES_STR-CHANGEDATE sy-vline 
WA_/PF1/CV_PAYRULES_STR-CHANGETIME sy-vline 
WA_/PF1/CV_PAYRULES_STR-RELEASEUSER sy-vline 
WA_/PF1/CV_PAYRULES_STR-RELEASEDATE sy-vline 
WA_/PF1/CV_PAYRULES_STR-RELEASETIME sy-vline 
WA_/PF1/CV_PAYRULES_STR-COMPANYCODE sy-vline 
WA_/PF1/CV_PAYRULES_STR-COMPANYCODEDESC sy-vline 
WA_/PF1/CV_PAYRULES_STR-BANKACCOUNTTECHNICALID sy-vline 
WA_/PF1/CV_PAYRULES_STR-ROUTEACCOUNTNUMBER sy-vline 
WA_/PF1/CV_PAYRULES_STR-ROUTEACCOUNTCURRENCY sy-vline 
WA_/PF1/CV_PAYRULES_STR-ROUTEACCOUNTCOUNTRY sy-vline 
WA_/PF1/CV_PAYRULES_STR-ROUTEBANKKEY sy-vline 
WA_/PF1/CV_PAYRULES_STR-ROUTEIBAN sy-vline 
WA_/PF1/CV_PAYRULES_STR-ROUTEBIC sy-vline 
WA_/PF1/CV_PAYRULES_STR-FLAGMESSAGEFORWARDING sy-vline 
WA_/PF1/CV_PAYRULES_STR-FLAGMESSAGEFORWARDINGDESC sy-vline 
WA_/PF1/CV_PAYRULES_STR-OUTGOINGFORMAT sy-vline 
WA_/PF1/CV_PAYRULES_STR-OUTGOINGFORMATDESC sy-vline 
WA_/PF1/CV_PAYRULES_STR-MEDIUM sy-vline 
WA_/PF1/CV_PAYRULES_STR-MEDIUMDESC sy-vline 
WA_/PF1/CV_PAYRULES_STR-CHANNEL sy-vline 
WA_/PF1/CV_PAYRULES_STR-CHANNELDESC sy-vline 
WA_/PF1/CV_PAYRULES_STR-CONDITIONSLONGTEXT sy-vline 
WA_/PF1/CV_PAYRULES_STR-RELEASESTATUSTEXT sy-vline 
WA_/PF1/CV_PAYRULES_STR-RELEASESTATUSSTATE sy-vline 
WA_/PF1/CV_PAYRULES_STR-RELEASESTATUSCRITICALITYIND sy-vline 
WA_/PF1/CV_PAYRULES_STR-HASRELATEDVERSION sy-vline 
WA_/PF1/CV_PAYRULES_STR-PAYMENTRULESEMANTICKEY sy-vline 
WA_/PF1/CV_PAYRULES_STR-RESERVEDBY sy-vline 
WA_/PF1/CV_PAYRULES_STR-RESERVEDBYUSERNAME sy-vline 
WA_/PF1/CV_PAYRULES_STR-PAYMENTRULESETSEMANTICKEY sy-vline 
WA_/PF1/CV_PAYRULES_STR-PAYMENTRULESETGUID sy-vline 
WA_/PF1/CV_PAYRULES_STR-RULESETID sy-vline      INTO ld_text SEPARATED BY SPACE.

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