ABAP Select data from SAP table /PF1/CV_RECALL 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_RECALL 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_RECALL. 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_RECALL 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_RECALL TYPE STANDARD TABLE OF /PF1/CV_RECALL,
      WA_/PF1/CV_RECALL TYPE /PF1/CV_RECALL,
      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_RECALL> TYPE /PF1/CV_RECALL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PF1/CV_RECALL
*  INTO TABLE @DATA(IT_/PF1/CV_RECALL2).
*--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_RECALL INDEX 1 INTO DATA(WA_/PF1/CV_RECALL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PF1/CV_RECALL>-MANDT = 1.
</PF1/CV_RECALL>-GUID = 1.
</PF1/CV_RECALL>-CLEARING_AREA = 1.
</PF1/CV_RECALL>-RECALL_DATE = 1.
</PF1/CV_RECALL>-RECALL_NO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PF1/CV_RECALL-RECALL_TYPE, sy-vline,
  WA_/PF1/CV_RECALL-RECALL_STATE, sy-vline,
  WA_/PF1/CV_RECALL-PREV_STATE, sy-vline,
  WA_/PF1/CV_RECALL-VALID_FROM, sy-vline,
  WA_/PF1/CV_RECALL-VALID_TO, sy-vline,
  WA_/PF1/CV_RECALL-REASON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PF1/CV_RECALL 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_RECALL 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_RECALL INTO WA_/PF1/CV_RECALL.


*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_RECALL_STR, 
MANDT TYPE STRING,
GUID TYPE STRING,
CLEARING_AREA TYPE STRING,
RECALL_DATE TYPE STRING,
RECALL_NO TYPE STRING,
RECALL_TYPE TYPE STRING,
RECALL_STATE TYPE STRING,
PREV_STATE TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
REASON TYPE STRING,
FLG_ORDER_RCL TYPE STRING,
REF_PRED_RECALL_DATE TYPE STRING,
REF_PRED_RECALL_NO TYPE STRING,
IN_OUT_FORMAT TYPE STRING,
MEDIUM TYPE STRING,
CHANNEL TYPE STRING,
RELEASE_ACTIVITY TYPE STRING,
RELEASE_STATUS TYPE STRING,
PO_DATE TYPE STRING,
PO_NO TYPE STRING,
REF_ITEM_EXT TYPE STRING,
REF_EXT_PO TYPE STRING,
PI_DATE TYPE STRING,
PI_NO TYPE STRING,
END_TO_END_ID TYPE STRING,
REF_ORDER_EXT TYPE STRING,
DUE_DATE TYPE STRING,
RECALLED_DATE TYPE STRING,
RECALLED_TIME TYPE STRING,
RECALLED_USER TYPE STRING,
OL_DATE TYPE STRING,
OL_NO TYPE STRING,
CRUSR TYPE STRING,
CRDAT TYPE STRING,
CRTIM TYPE STRING,
CHUSR TYPE STRING,
CHDAT TYPE STRING,
CHTIM TYPE STRING,
RLUSR TYPE STRING,
RLDAT TYPE STRING,
RLTIM TYPE STRING,
REF_OBJ_DATE_FWD TYPE STRING,
REF_OBJ_NO_FWD TYPE STRING,
REF_OBJ_DATE_RCV TYPE STRING,
REF_OBJ_NO_RCV TYPE STRING,
REQ_AGENT_DATE TYPE STRING,
REQ_AGENT_NO TYPE STRING,
OL_DATE_RECALL_IN TYPE STRING,
OL_NO_RECALL_IN TYPE STRING,
OL_FILENAME_IN TYPE STRING,
OL_DATE_RECALL_OUT TYPE STRING,
OL_NO_RECALL_OUT TYPE STRING,
OL_FILENAME_OUT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PF1/CV_RECALL_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_RECALL_STR-MANDT sy-vline 
WA_/PF1/CV_RECALL_STR-GUID sy-vline 
WA_/PF1/CV_RECALL_STR-CLEARING_AREA sy-vline 
WA_/PF1/CV_RECALL_STR-RECALL_DATE sy-vline 
WA_/PF1/CV_RECALL_STR-RECALL_NO sy-vline 
WA_/PF1/CV_RECALL_STR-RECALL_TYPE sy-vline 
WA_/PF1/CV_RECALL_STR-RECALL_STATE sy-vline 
WA_/PF1/CV_RECALL_STR-PREV_STATE sy-vline 
WA_/PF1/CV_RECALL_STR-VALID_FROM sy-vline 
WA_/PF1/CV_RECALL_STR-VALID_TO sy-vline 
WA_/PF1/CV_RECALL_STR-REASON sy-vline 
WA_/PF1/CV_RECALL_STR-FLG_ORDER_RCL sy-vline 
WA_/PF1/CV_RECALL_STR-REF_PRED_RECALL_DATE sy-vline 
WA_/PF1/CV_RECALL_STR-REF_PRED_RECALL_NO sy-vline 
WA_/PF1/CV_RECALL_STR-IN_OUT_FORMAT sy-vline 
WA_/PF1/CV_RECALL_STR-MEDIUM sy-vline 
WA_/PF1/CV_RECALL_STR-CHANNEL sy-vline 
WA_/PF1/CV_RECALL_STR-RELEASE_ACTIVITY sy-vline 
WA_/PF1/CV_RECALL_STR-RELEASE_STATUS sy-vline 
WA_/PF1/CV_RECALL_STR-PO_DATE sy-vline 
WA_/PF1/CV_RECALL_STR-PO_NO sy-vline 
WA_/PF1/CV_RECALL_STR-REF_ITEM_EXT sy-vline 
WA_/PF1/CV_RECALL_STR-REF_EXT_PO sy-vline 
WA_/PF1/CV_RECALL_STR-PI_DATE sy-vline 
WA_/PF1/CV_RECALL_STR-PI_NO sy-vline 
WA_/PF1/CV_RECALL_STR-END_TO_END_ID sy-vline 
WA_/PF1/CV_RECALL_STR-REF_ORDER_EXT sy-vline 
WA_/PF1/CV_RECALL_STR-DUE_DATE sy-vline 
WA_/PF1/CV_RECALL_STR-RECALLED_DATE sy-vline 
WA_/PF1/CV_RECALL_STR-RECALLED_TIME sy-vline 
WA_/PF1/CV_RECALL_STR-RECALLED_USER sy-vline 
WA_/PF1/CV_RECALL_STR-OL_DATE sy-vline 
WA_/PF1/CV_RECALL_STR-OL_NO sy-vline 
WA_/PF1/CV_RECALL_STR-CRUSR sy-vline 
WA_/PF1/CV_RECALL_STR-CRDAT sy-vline 
WA_/PF1/CV_RECALL_STR-CRTIM sy-vline 
WA_/PF1/CV_RECALL_STR-CHUSR sy-vline 
WA_/PF1/CV_RECALL_STR-CHDAT sy-vline 
WA_/PF1/CV_RECALL_STR-CHTIM sy-vline 
WA_/PF1/CV_RECALL_STR-RLUSR sy-vline 
WA_/PF1/CV_RECALL_STR-RLDAT sy-vline 
WA_/PF1/CV_RECALL_STR-RLTIM sy-vline 
WA_/PF1/CV_RECALL_STR-REF_OBJ_DATE_FWD sy-vline 
WA_/PF1/CV_RECALL_STR-REF_OBJ_NO_FWD sy-vline 
WA_/PF1/CV_RECALL_STR-REF_OBJ_DATE_RCV sy-vline 
WA_/PF1/CV_RECALL_STR-REF_OBJ_NO_RCV sy-vline 
WA_/PF1/CV_RECALL_STR-REQ_AGENT_DATE sy-vline 
WA_/PF1/CV_RECALL_STR-REQ_AGENT_NO sy-vline 
WA_/PF1/CV_RECALL_STR-OL_DATE_RECALL_IN sy-vline 
WA_/PF1/CV_RECALL_STR-OL_NO_RECALL_IN sy-vline 
WA_/PF1/CV_RECALL_STR-OL_FILENAME_IN sy-vline 
WA_/PF1/CV_RECALL_STR-OL_DATE_RECALL_OUT sy-vline 
WA_/PF1/CV_RECALL_STR-OL_NO_RECALL_OUT sy-vline 
WA_/PF1/CV_RECALL_STR-OL_FILENAME_OUT sy-vline      INTO ld_text SEPARATED BY SPACE.

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