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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PF1/C_OL_MGMT
*  INTO TABLE @DATA(IT_/PF1/C_OL_MGMT2).
*--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/C_OL_MGMT INDEX 1 INTO DATA(WA_/PF1/C_OL_MGMT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PF1/C_OL_MGMT>-MANDT = 1.
</PF1/C_OL_MGMT>-OBJECTLISTGUID = 1.
</PF1/C_OL_MGMT>-OBJECTLISTKEY = 1.
</PF1/C_OL_MGMT>-OBJECTLISTDATE = 1.
</PF1/C_OL_MGMT>-OBJECTLISTNUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PF1/C_OL_MGMT-OBJECTLISTTYPE, sy-vline,
  WA_/PF1/C_OL_MGMT-OBJECTLISTTYPEDESC, sy-vline,
  WA_/PF1/C_OL_MGMT-OBJECTLISTDIRECTION, sy-vline,
  WA_/PF1/C_OL_MGMT-OBJECTLISTDIRECTIONDESC, sy-vline,
  WA_/PF1/C_OL_MGMT-EXTERNALREFERENCE, sy-vline,
  WA_/PF1/C_OL_MGMT-ANYREFERENCE1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PF1/C_OL_MGMT 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/C_OL_MGMT 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/C_OL_MGMT INTO WA_/PF1/C_OL_MGMT.


*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/C_OL_MGMT_STR, 
MANDT TYPE STRING,
OBJECTLISTGUID TYPE STRING,
OBJECTLISTKEY TYPE STRING,
OBJECTLISTDATE TYPE STRING,
OBJECTLISTNUMBER TYPE STRING,
OBJECTLISTTYPE TYPE STRING,
OBJECTLISTTYPEDESC TYPE STRING,
OBJECTLISTDIRECTION TYPE STRING,
OBJECTLISTDIRECTIONDESC TYPE STRING,
EXTERNALREFERENCE TYPE STRING,
ANYREFERENCE1 TYPE STRING,
ANYREFERENCE2 TYPE STRING,
ANYREFERENCE3 TYPE STRING,
ANYREFERENCE4 TYPE STRING,
ANYREFERENCE5 TYPE STRING,
FORWARDINGSTATUS TYPE STRING,
INOUTFORMAT TYPE STRING,
MEDIUM TYPE STRING,
CHANNEL TYPE STRING,
EXTERNALREFERENCENUMBER TYPE STRING,
EXTERNALREFERENCEID TYPE STRING,
PAYMENTRUNDATE TYPE STRING,
PAYMENTRUNID TYPE STRING,
TECHNICALSTATUS TYPE STRING,
TECHNICALSTATUSDESC TYPE STRING,
TECHNICALSTATUSSTATE TYPE STRING,
TECHNICALSTATUSCRITICALITY TYPE STRING,
EXTERNALSTATUSCODE TYPE STRING,
EXTERNALSTATUSDESC TYPE STRING,
EXTERNALSTATUSCRITICALITY TYPE STRING,
REASONCODE TYPE STRING,
REASONCODEDESC TYPE STRING,
FLAGSINGLECLEARINGAREA TYPE STRING,
CLEARINGAREA TYPE STRING,
COUNTOBJECTS TYPE STRING,
COUNTOKOBJECTS TYPE STRING,
COUNTTRANSACTIONS TYPE STRING,
FILEHANDLERSTARTDATE TYPE STRING,
FILEHANDLERSTARTTIME TYPE STRING,
FILEHANDLERENDDATE TYPE STRING,
FILEHANDLERENDTIME TYPE STRING,
CREATEUSERID TYPE STRING,
CREATEDATE TYPE STRING,
CREATETIME TYPE STRING,
CHANGEUSERID TYPE STRING,
CHANGEDATE TYPE STRING,
CHANGETIME TYPE STRING,
RELEASEUSERID TYPE STRING,
RELEASEDATE TYPE STRING,
RELEASETIME TYPE STRING,
REJECTIONS TYPE STRING,
TEMSEREFERENCE TYPE STRING,
INCOMINGPAYMENTFILE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PF1/C_OL_MGMT_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/C_OL_MGMT_STR-MANDT sy-vline 
WA_/PF1/C_OL_MGMT_STR-OBJECTLISTGUID sy-vline 
WA_/PF1/C_OL_MGMT_STR-OBJECTLISTKEY sy-vline 
WA_/PF1/C_OL_MGMT_STR-OBJECTLISTDATE sy-vline 
WA_/PF1/C_OL_MGMT_STR-OBJECTLISTNUMBER sy-vline 
WA_/PF1/C_OL_MGMT_STR-OBJECTLISTTYPE sy-vline 
WA_/PF1/C_OL_MGMT_STR-OBJECTLISTTYPEDESC sy-vline 
WA_/PF1/C_OL_MGMT_STR-OBJECTLISTDIRECTION sy-vline 
WA_/PF1/C_OL_MGMT_STR-OBJECTLISTDIRECTIONDESC sy-vline 
WA_/PF1/C_OL_MGMT_STR-EXTERNALREFERENCE sy-vline 
WA_/PF1/C_OL_MGMT_STR-ANYREFERENCE1 sy-vline 
WA_/PF1/C_OL_MGMT_STR-ANYREFERENCE2 sy-vline 
WA_/PF1/C_OL_MGMT_STR-ANYREFERENCE3 sy-vline 
WA_/PF1/C_OL_MGMT_STR-ANYREFERENCE4 sy-vline 
WA_/PF1/C_OL_MGMT_STR-ANYREFERENCE5 sy-vline 
WA_/PF1/C_OL_MGMT_STR-FORWARDINGSTATUS sy-vline 
WA_/PF1/C_OL_MGMT_STR-INOUTFORMAT sy-vline 
WA_/PF1/C_OL_MGMT_STR-MEDIUM sy-vline 
WA_/PF1/C_OL_MGMT_STR-CHANNEL sy-vline 
WA_/PF1/C_OL_MGMT_STR-EXTERNALREFERENCENUMBER sy-vline 
WA_/PF1/C_OL_MGMT_STR-EXTERNALREFERENCEID sy-vline 
WA_/PF1/C_OL_MGMT_STR-PAYMENTRUNDATE sy-vline 
WA_/PF1/C_OL_MGMT_STR-PAYMENTRUNID sy-vline 
WA_/PF1/C_OL_MGMT_STR-TECHNICALSTATUS sy-vline 
WA_/PF1/C_OL_MGMT_STR-TECHNICALSTATUSDESC sy-vline 
WA_/PF1/C_OL_MGMT_STR-TECHNICALSTATUSSTATE sy-vline 
WA_/PF1/C_OL_MGMT_STR-TECHNICALSTATUSCRITICALITY sy-vline 
WA_/PF1/C_OL_MGMT_STR-EXTERNALSTATUSCODE sy-vline 
WA_/PF1/C_OL_MGMT_STR-EXTERNALSTATUSDESC sy-vline 
WA_/PF1/C_OL_MGMT_STR-EXTERNALSTATUSCRITICALITY sy-vline 
WA_/PF1/C_OL_MGMT_STR-REASONCODE sy-vline 
WA_/PF1/C_OL_MGMT_STR-REASONCODEDESC sy-vline 
WA_/PF1/C_OL_MGMT_STR-FLAGSINGLECLEARINGAREA sy-vline 
WA_/PF1/C_OL_MGMT_STR-CLEARINGAREA sy-vline 
WA_/PF1/C_OL_MGMT_STR-COUNTOBJECTS sy-vline 
WA_/PF1/C_OL_MGMT_STR-COUNTOKOBJECTS sy-vline 
WA_/PF1/C_OL_MGMT_STR-COUNTTRANSACTIONS sy-vline 
WA_/PF1/C_OL_MGMT_STR-FILEHANDLERSTARTDATE sy-vline 
WA_/PF1/C_OL_MGMT_STR-FILEHANDLERSTARTTIME sy-vline 
WA_/PF1/C_OL_MGMT_STR-FILEHANDLERENDDATE sy-vline 
WA_/PF1/C_OL_MGMT_STR-FILEHANDLERENDTIME sy-vline 
WA_/PF1/C_OL_MGMT_STR-CREATEUSERID sy-vline 
WA_/PF1/C_OL_MGMT_STR-CREATEDATE sy-vline 
WA_/PF1/C_OL_MGMT_STR-CREATETIME sy-vline 
WA_/PF1/C_OL_MGMT_STR-CHANGEUSERID sy-vline 
WA_/PF1/C_OL_MGMT_STR-CHANGEDATE sy-vline 
WA_/PF1/C_OL_MGMT_STR-CHANGETIME sy-vline 
WA_/PF1/C_OL_MGMT_STR-RELEASEUSERID sy-vline 
WA_/PF1/C_OL_MGMT_STR-RELEASEDATE sy-vline 
WA_/PF1/C_OL_MGMT_STR-RELEASETIME sy-vline 
WA_/PF1/C_OL_MGMT_STR-REJECTIONS sy-vline 
WA_/PF1/C_OL_MGMT_STR-TEMSEREFERENCE sy-vline 
WA_/PF1/C_OL_MGMT_STR-INCOMINGPAYMENTFILE sy-vline      INTO ld_text SEPARATED BY SPACE.

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