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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PF1/STR_EXT_STAT_BUFFER
*  INTO TABLE @DATA(IT_/PF1/STR_EXT_STAT_BUFFER2).
*--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/STR_EXT_STAT_BUFFER INDEX 1 INTO DATA(WA_/PF1/STR_EXT_STAT_BUFFER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PF1/STR_EXT_STAT_BUFFER>-CLEARING_AREA = 1.
</PF1/STR_EXT_STAT_BUFFER>-OBJECT_CATEGORY = 1.
</PF1/STR_EXT_STAT_BUFFER>-OBJ_DATE = 1.
</PF1/STR_EXT_STAT_BUFFER>-OBJ_NO = 1.
</PF1/STR_EXT_STAT_BUFFER>-OBJ_EXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PF1/STR_EXT_STAT_BUFFER-COUNTER, sy-vline,
  WA_/PF1/STR_EXT_STAT_BUFFER-EXT_STATUS, sy-vline,
  WA_/PF1/STR_EXT_STAT_BUFFER-EXT_RESP, sy-vline,
  WA_/PF1/STR_EXT_STAT_BUFFER-EXT_ADD_ID, sy-vline,
  WA_/PF1/STR_EXT_STAT_BUFFER-CODE_SET, sy-vline,
  WA_/PF1/STR_EXT_STAT_BUFFER-ISO_CODE_SET, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PF1/STR_EXT_STAT_BUFFER 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/STR_EXT_STAT_BUFFER 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/STR_EXT_STAT_BUFFER INTO WA_/PF1/STR_EXT_STAT_BUFFER.


*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/STR_EXT_STAT_BUFFER_STR, 
CLEARING_AREA TYPE STRING,
OBJECT_CATEGORY TYPE STRING,
OBJ_DATE TYPE STRING,
OBJ_NO TYPE STRING,
OBJ_EXT TYPE STRING,
COUNTER TYPE STRING,
EXT_STATUS TYPE STRING,
EXT_RESP TYPE STRING,
EXT_ADD_ID TYPE STRING,
CODE_SET TYPE STRING,
ISO_CODE_SET TYPE STRING,
REFERENCE_OL_KEY TYPE STRING,
OL_DATE TYPE STRING,
OL_NO TYPE STRING,
STATUS_OL_KEY TYPE STRING,
OL_DATE TYPE STRING,
OL_NO TYPE STRING,
NARRATIVE 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,
SCOPE_READ TYPE STRING,
SCOPE_WRITE TYPE STRING,
LOCKLEVEL TYPE STRING,
STATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PF1/STR_EXT_STAT_BUFFER_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/STR_EXT_STAT_BUFFER_STR-CLEARING_AREA sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-OBJECT_CATEGORY sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-OBJ_DATE sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-OBJ_NO sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-OBJ_EXT sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-COUNTER sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-EXT_STATUS sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-EXT_RESP sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-EXT_ADD_ID sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-CODE_SET sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-ISO_CODE_SET sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-REFERENCE_OL_KEY sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-OL_DATE sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-OL_NO sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-STATUS_OL_KEY sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-OL_DATE sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-OL_NO sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-NARRATIVE sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-CRUSR sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-CRDAT sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-CRTIM sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-CHUSR sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-CHDAT sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-CHTIM sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-RLUSR sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-RLDAT sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-RLTIM sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-SCOPE_READ sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-SCOPE_WRITE sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-LOCKLEVEL sy-vline 
WA_/PF1/STR_EXT_STAT_BUFFER_STR-STATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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