ABAP Select data from SAP table FLOG_PR_FRCPTLOG into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FLOG_PR_FRCPTLOG 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 FLOG_PR_FRCPTLOG. 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 FLOG_PR_FRCPTLOG 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_FLOG_PR_FRCPTLOG TYPE STANDARD TABLE OF FLOG_PR_FRCPTLOG,
      WA_FLOG_PR_FRCPTLOG TYPE FLOG_PR_FRCPTLOG,
      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: <FLOG_PR_FRCPTLOG> TYPE FLOG_PR_FRCPTLOG.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FLOG_PR_FRCPTLOG
  INTO TABLE IT_FLOG_PR_FRCPTLOG.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FLOG_PR_FRCPTLOG
*  INTO TABLE @DATA(IT_FLOG_PR_FRCPTLOG2).
*--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_FLOG_PR_FRCPTLOG INDEX 1 INTO DATA(WA_FLOG_PR_FRCPTLOG2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FLOG_PR_FRCPTLOG ASSIGNING <FLOG_PR_FRCPTLOG>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FLOG_PR_FRCPTLOG>-MANDT = 1.
<FLOG_PR_FRCPTLOG>-EBELN = 1.
<FLOG_PR_FRCPTLOG>-EBELP = 1.
<FLOG_PR_FRCPTLOG>-MSG_SEQNO = 1.
<FLOG_PR_FRCPTLOG>-FLDLOGSSUPLRITEMUUID = 1.

ENDLOOP.

LOOP AT IT_FLOG_PR_FRCPTLOG INTO WA_FLOG_PR_FRCPTLOG.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FLOG_PR_FRCPTLOG-SEQNO, sy-vline,
  WA_FLOG_PR_FRCPTLOG-VBELN, sy-vline,
  WA_FLOG_PR_FRCPTLOG-POSNR, sy-vline,
  WA_FLOG_PR_FRCPTLOG-MSGTY, sy-vline,
  WA_FLOG_PR_FRCPTLOG-MSGID, sy-vline,
  WA_FLOG_PR_FRCPTLOG-MSGNO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FLOG_PR_FRCPTLOG 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_FLOG_PR_FRCPTLOG 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_FLOG_PR_FRCPTLOG INTO WA_FLOG_PR_FRCPTLOG.


*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 EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FLOG_PR_FRCPTLOG-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FLOG_PR_FRCPTLOG-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FLOG_PR_FRCPTLOG-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FLOG_PR_FRCPTLOG-VBELN.
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_FLOG_PR_FRCPTLOG_STR, 
MANDT TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
MSG_SEQNO TYPE STRING,
FLDLOGSSUPLRITEMUUID TYPE STRING,
SEQNO TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
MSGTY TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FLOG_PR_FRCPTLOG_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_FLOG_PR_FRCPTLOG_STR-MANDT sy-vline 
WA_FLOG_PR_FRCPTLOG_STR-EBELN sy-vline 
WA_FLOG_PR_FRCPTLOG_STR-EBELP sy-vline 
WA_FLOG_PR_FRCPTLOG_STR-MSG_SEQNO sy-vline 
WA_FLOG_PR_FRCPTLOG_STR-FLDLOGSSUPLRITEMUUID sy-vline 
WA_FLOG_PR_FRCPTLOG_STR-SEQNO sy-vline 
WA_FLOG_PR_FRCPTLOG_STR-VBELN sy-vline 
WA_FLOG_PR_FRCPTLOG_STR-POSNR sy-vline 
WA_FLOG_PR_FRCPTLOG_STR-MSGTY sy-vline 
WA_FLOG_PR_FRCPTLOG_STR-MSGID sy-vline 
WA_FLOG_PR_FRCPTLOG_STR-MSGNO sy-vline 
WA_FLOG_PR_FRCPTLOG_STR-MSGV1 sy-vline 
WA_FLOG_PR_FRCPTLOG_STR-MSGV2 sy-vline 
WA_FLOG_PR_FRCPTLOG_STR-MSGV3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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