每小时生成csv文件，并ftp到远端服务器

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CREATE OR REPLACE procedure PULSEINP.dump_csv(                                       p_separator in varchar2                                                    default ','                                     )is    l_conn  UTL_TCP.connection;    l_output        utl_file.file_type;    l_theCursor     integer default dbms_sql.open_cursor;    l_columnValue   varchar2(2000);    l_status        integer;    l_colCnt        number default 0;    l_separator     varchar2(10) default ',';    p_filename   varchar2(50) ;    l_cnt           number default 0;    p_query    varchar2(5000);        begin    p_filename := 'CMN_TDRDAILY'||to_char(sysdate-(1/24), 'HH24')||'.CSV';    l_output := utl_file.fopen( 'UTL_FILE_DIR', p_filename, 'w' );        p_query :='select REQUEST_TYPE,CALLSTARTTIME,ANI,DNIS,ROUTE1LABEL,ANI,LRN,DIALCODE,ANI FROM CMN_TDRDAILY'||to_char(sysdate-(1/24), 'HH24');   DBMS_OUTPUT.PUT_LINE(p_query);    dbms_sql.parse(  l_theCursor,  p_query, dbms_sql.native );    for i in 1 .. 255 loop        begin            dbms_sql.define_column( l_theCursor, i,                                    l_columnValue, 2000 );            l_colCnt := i;        exception            when others then                if ( sqlcode = -1007 ) then exit;                else                    raise;                end if;        end;    end loop;  DBMS_OUTPUT.PUT_LINE(l_colCnt);    dbms_sql.define_column( l_theCursor, 1, l_columnValue,                            2000 );    l_status := dbms_sql.execute(l_theCursor);    utl_file.put( l_output, 'CALLTYPE,STARTTIME,ORIGINATINGNUMBER,TERMINATINGNUMBER,TERMINATINGTRUNKNUMBER,col25,col26,col27,col28,col50,CALLCONNECTTIME,CALLANSWERTIME,CALLDISCONNECTTIME');    utl_file.new_line( l_output );    loop        exit when ( dbms_sql.fetch_rows(l_theCursor) <= 0 );        l_separator := '';        for i in 1 .. l_colCnt loop            dbms_sql.column_value( l_theCursor, i,                                   l_columnValue );                utl_file.put( l_output, l_separator ||                                         l_columnValue );                l_separator := p_separator;        end loop;         utl_file.put( l_output, ',,'||TO_CHAR(SYSDATE-5/(24*60), 'dd-mm-yy hh24:mi:ss')||','||TO_CHAR(SYSDATE-1/(24*60), 'dd-mm-yy hh24:mi:ss'));        utl_file.new_line( l_output );        l_cnt := l_cnt+1;    end loop;    dbms_sql.close_cursor(l_theCursor);    utl_file.fclose( l_output );    l_conn := ftp.login('10.0.1.29', '21', 'oracle', 'oracle');  ftp.ascii(p_conn => l_conn);  ftp.put(p_conn      => l_conn,          p_from_dir  => 'MY_DOCS',          p_from_file => p_filename,          p_to_file   => '/home/oracle/'||p_filename);  ftp.logout(l_conn);  utl_tcp.close_all_connections;end dump_csv;/