--- a/updatedb.php +++ b/updatedb.php @@ -1,74 +1,60 @@ <?php include ('include/common.inc.php'); -//$conn = pg_connect("dbname=transitdata user=postgres password=snmc host=localhost") or die('connection failed'); +$conn = pg_connect("dbname=transitdata user=postgres password=snmc host=localhost") or die('connection failed'); // Unzip cbrfeed.zip, import all csv files to database -$unzip = false; +$unzip = true; $zip = zip_open(dirname(__FILE__) . "/cbrfeed.zip"); $tmpdir = "/tmp/cbrfeed/"; mkdir($tmpdir); if ($unzip) { - if (is_resource($zip)) { - while ($zip_entry = zip_read($zip)) { - $fp = fopen($tmpdir . zip_entry_name($zip_entry) , "w"); - if (zip_entry_open($zip, $zip_entry, "r")) { - echo "Extracting " . zip_entry_name($zip_entry) . "\n"; - $buf = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry)); - fwrite($fp, "$buf"); - zip_entry_close($zip_entry); - fclose($fp); - } +if (is_resource($zip)) { + while ($zip_entry = zip_read($zip)) { + $fp = fopen($tmpdir . zip_entry_name($zip_entry) , "w"); + if (zip_entry_open($zip, $zip_entry, "r")) { + echo "Extracting " . zip_entry_name($zip_entry) . "\n"; + $buf = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry)); + fwrite($fp, "$buf"); + zip_entry_close($zip_entry); + fclose($fp); } - zip_close($zip); } + zip_close($zip); } +} + foreach (scandir($tmpdir) as $file) { if (!strpos($file, ".txt") === false) { $fieldseparator = ","; $lineseparator = "\n"; $tablename = str_replace(".txt", "", $file); - echo "Opening $tmpdir . $file \n"; + echo "Opening $file \n"; $line = 0; $handle = fopen($tmpdir . $file, "r"); - $stmt = null; - $stmt_noarrival = $conn->prepare("insert into stop_times (trip_id,stop_id,stop_sequence) values(? ? ?);"); - while (($columns = fgetcsv($handle, 1000, ",")) !== FALSE) { - if ($line == 0) { + while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) { + if ($line > 0) { $query = "insert into $tablename values("; - $valueCount = 0; - foreach ($columns as $value) { - $query.= ($valueCount >0 ? "," :"")." ? "; - $valueCount++; - } + $valueCount = 0; + foreach ($data as $value) { + $query.=($valueCount >0 ? "','" :"'").pg_escape_string($value); + $valueCount++; + } if ($tablename == "stops") { - $query.= ", ST_GeographyFromText('SRID=4326;POINT(? ?)'));"; - } - else { - $query.= ");"; - } - $stmt = $conn->prepare($query); + $query.= "', ST_GeographyFromText('SRID=4326;POINT({$data[2]} {$data[0]})'));"; + } else { + $query.= "');"; + } + if ($tablename =="stop_times" && $data[1] == "") { + $query = "insert into $tablename (trip_id,stop_id,stop_sequence) values('{$data[0]}','{$data[3]}','{$data[4]}');"; + } + } - else { - $data = $columns; - if ($tablename == "stops") { - $data[] = $data[2]; - $data[] = $data[0]; - } - if ($tablename == "stop_times" && $data[1] == "") { - $stmt_noarrival->execute(Array( - $data[0], - $data[3], - $data[4] - )); - } - else { - $stmt->execute($data); - } - } + $result = pg_query($conn, $query); $line++; - if ($line % 10000 == 0) echo "$line records... \n"; + if ($line % 10000 == 0) echo "$line records... \n"; } fclose($handle); echo "Found a total of $line records in $file.\n"; + } } ?>