utils/update.php

   1 #!/usr/bin/php -Cq
   2 <?php
   3         require_once(dirname(dirname(__FILE__)).'/lib/init-cmd.php');
   4         ini_set('memory_limit', '800M');
   5
   6         $aCMDOptions = array(
   7                 "Import / update / index osm data",
   8                 array('help', 'h', 0, 1, 0, 0, false, 'Show Help'),
   9                 array('quiet', 'q', 0, 1, 0, 0, 'bool', 'Quiet output'),
  10                 array('verbose', 'v', 0, 1, 0, 0, 'bool', 'Verbose output'),
  11
  12                 array('max-load', '', 0, 1, 1, 1, 'float', 'Maximum load average - indexing is paused if this is exceeded'),
  13                 array('max-blocking', '', 0, 1, 1, 1, 'int', 'Maximum blocking processes - indexing is aborted / paused if this is exceeded'),
  14
  15                 array('import-osmosis', '', 0, 1, 0, 0, 'bool', 'Import using osmosis'),
  16                 array('import-osmosis-all', '', 0, 1, 0, 0, 'bool', 'Import using osmosis forever'),
  17
  18                 array('import-npi-all', '', 0, 1, 0, 0, 'bool', 'Import npi pre-indexed files'),
  19
  20                 array('import-hourly', '', 0, 1, 0, 0, 'bool', 'Import hourly diffs'),
  21                 array('import-daily', '', 0, 1, 0, 0, 'bool', 'Import daily diffs'),
  22                 array('import-all', '', 0, 1, 0, 0, 'bool', 'Import all available files'),
  23
  24                 array('import-file', '', 0, 1, 1, 1, 'realpath', 'Re-import data from an OSM file'),
  25                 array('import-diff', '', 0, 1, 1, 1, 'realpath', 'Import a diff (osc) file from local file system'),
  26
  27                 array('import-node', '', 0, 1, 1, 1, 'int', 'Re-import node'),
  28                 array('import-way', '', 0, 1, 1, 1, 'int', 'Re-import way'),
  29                 array('import-relation', '', 0, 1, 1, 1, 'int', 'Re-import relation'),
  30
  31                 array('index', '', 0, 1, 0, 0, 'bool', 'Index'),
  32                 array('index-rank', '', 0, 1, 1, 1, 'int', 'Rank to start indexing from'),
  33                 array('index-instances', '', 0, 1, 1, 1, 'int', 'Number of indexing instances (threads)'),
  34                 array('index-estrate', '', 0, 1, 1, 1, 'int', 'Estimated indexed items per second (def:30)'),
  35
  36                 array('deduplicate', '', 0, 1, 0, 0, 'bool', 'Deduplicate tokens'),
  37         );
  38         getCmdOpt($_SERVER['argv'], $aCMDOptions, $aResult, true, true);
  39
  40         if ($aResult['import-hourly'] + $aResult['import-daily'] + isset($aResult['import-diff']) > 1)
  41         {
  42                 showUsage($aCMDOptions, true, 'Select either import of hourly or daily');
  43         }
  44
  45         if (!isset($aResult['index-instances'])) $aResult['index-instances'] = 1;
  46 /*
  47         // Lock to prevent multiple copies running
  48         if (exec('/bin/ps uww | grep '.basename(__FILE__).' | grep -v /dev/null | grep -v grep -c', $aOutput2, $iResult) > 1)
  49         {
  50                 echo "Copy already running\n";
  51                 exit;
  52         }
  53         if (!isset($aResult['max-load'])) $aResult['max-load'] = 1.9;
  54         if (!isset($aResult['max-blocking'])) $aResult['max-blocking'] = 3;
  55         if (getBlockingProcesses() > $aResult['max-blocking'])
  56         {
  57                 echo "Too many blocking processes for import\n";
  58                 exit;
  59         }
  60 */
  61
  62         // Assume osm2pgsql is in the folder above
  63         $sBasePath = dirname(dirname(__FILE__));
  64
  65         $oDB =& getDB();
  66
  67         $bFirst = true;
  68         $bContinue = $aResult['import-all'];
  69         while ($bContinue || $bFirst)
  70         {
  71                 $bFirst = false;
  72
  73                 if ($aResult['import-hourly'])
  74                 {
  75                         // Mirror the hourly diffs
  76                         exec('wget --quiet --mirror -l 1 -P '.$sMirrorDir.' http://planet.openstreetmap.org/hourly');
  77                         $sNextFile = $oDB->getOne('select TO_CHAR(lastimportdate,\'YYYYMMDDHH24\')||\'-\'||TO_CHAR(lastimportdate+\'1 hour\'::interval,\'YYYYMMDDHH24\')||\'.osc.gz\' from import_status');
  78                         $sNextFile = $sMirrorDir.'planet.openstreetmap.org/hourly/'.$sNextFile;
  79                         $sUpdateSQL = 'update import_status set lastimportdate = lastimportdate+\'1 hour\'::interval';
  80                 }
  81
  82                 if ($aResult['import-daily'])
  83                 {
  84                         // Mirror the daily diffs
  85                         exec('wget --quiet --mirror -l 1 -P '.$sMirrorDir.' http://planet.openstreetmap.org/daily');
  86                         $sNextFile = $oDB->getOne('select TO_CHAR(lastimportdate,\'YYYYMMDD\')||\'-\'||TO_CHAR(lastimportdate+\'1 day\'::interval,\'YYYYMMDD\')||\'.osc.gz\' from import_status');
  87                         $sNextFile = $sMirrorDir.'planet.openstreetmap.org/daily/'.$sNextFile;
  88                         $sUpdateSQL = 'update import_status set lastimportdate = lastimportdate::date + 1';
  89                 }
  90
  91                 if (isset($aResult['import-diff']))
  92                 {
  93                         // import diff directly (e.g. from osmosis --rri)
  94                         $sNextFile = $aResult['import-diff'];
  95                         if (!file_exists($nextFile))
  96                         {
  97                                 echo "Cannot open $nextFile\n";
  98                                 exit;
  99                         }
 100                         // Don't update the import status - we don't know what this file contains
 101                         $sUpdateSQL = 'update import_status set lastimportdate = now() where false';
 102                 }
 103
 104                 // Missing file is not an error - it might not be created yet
 105                 if (($aResult['import-hourly'] || $aResult['import-daily']) && file_exists($sNextFile))
 106                 {
 107                         // Import the file
 108                         $sCMD = $sBasePath.'/osm2pgsql/osm2pgsql -klas -C 2000 -O gazetteer -d '.$sDatabaseName.' '.$sNextFile;
 109                         echo $sCMD."\n";
 110                         exec($sCMD, $sJunk, $iErrorLevel);
 111
 112                         if ($iErrorLevel)
 113                         {
 114                                 echo "Error from osm2pgsql, $iErrorLevel\n";
 115                                 exit;
 116                         }
 117
 118                         // Move the date onwards
 119                         $oDB->query($sUpdateSQL);
 120                 }
 121                 else
 122                 {
 123                         $bContinue = false;
 124                 }
 125         }
 126
 127         $sModifyXML = false;
 128         if (isset($aResult['import-file']) && $aResult['import-file'])
 129         {
 130                 $sModifyXML = file_get_contents($aResult['import-file']);
 131         }
 132         if (isset($aResult['import-node']) && $aResult['import-node'])
 133         {
 134                 $sModifyXML = file_get_contents('http://www.openstreetmap.org/api/0.6/node/'.$aResult['import-node']);
 135         }
 136         if (isset($aResult['import-way']) && $aResult['import-way'])
 137         {
 138                 $sModifyXML = file_get_contents('http://www.openstreetmap.org/api/0.6/way/'.$aResult['import-way'].'/full');
 139         }
 140         if (isset($aResult['import-relation']) && $aResult['import-relation'])
 141         {
 142                 $sModifyXML = file_get_contents('http://www.openstreetmap.org/api/0.6/relation/'.$aResult['import-relation'].'/full');
 143         }
 144         if ($sModifyXML)
 145         {
 146                 // Hack into a modify request
 147                 $sModifyXML = str_replace('<osm version="0.6" generator="OpenStreetMap server">',
 148                         '<osmChange version="0.6" generator="OpenStreetMap server"><modify>', $sModifyXML);
 149                 $sModifyXML = str_replace('</osm>', '</modify></osmChange>', $sModifyXML);
 150
 151                 // Outputing this is too verbose
 152                 if ($aResult['verbose'] && false) var_dump($sModifyXML);
 153
 154                 $sDatabaseName = 'nominatim';
 155                 $aSpec = array(
 156                         0 => array("pipe", "r"),  // stdin
 157                         1 => array("pipe", "w"),  // stdout
 158                         2 => array("pipe", "w") // stderr
 159                 );
 160                 $aPipes = array();
 161                 $sCMD = $sBasePath.'/osm2pgsql/osm2pgsql -klas -C 2000 -O gazetteer -d '.$sDatabaseName.' -';
 162                 echo $sCMD."\n";
 163                 $hProc = proc_open($sCMD, $aSpec, $aPipes);
 164                 if (!is_resource($hProc))
 165                 {
 166                         echo "$sBasePath/osm2pgsql failed\n";
 167                         exit;
 168                 }
 169                 fwrite($aPipes[0], $sModifyXML);
 170                 fclose($aPipes[0]);
 171                 $sOut = stream_get_contents($aPipes[1]);
 172                 if ($aResult['verbose']) echo $sOut;
 173                 fclose($aPipes[1]);
 174                 $sErrors = stream_get_contents($aPipes[2]);
 175                 if ($aResult['verbose']) echo $sErrors;
 176                 fclose($aPipes[2]);
 177                 if ($iError = proc_close($hProc))
 178                 {
 179                         echo "osm2pgsql existed with error level $iError\n";
 180                         echo $sOut;
 181                         echo $sErrors;
 182                         exit;
 183                 }
 184         }
 185
 186         if ($aResult['deduplicate'])
 187         {
 188                 $oDB =& getDB();
 189                 $sSQL = 'select partition from country_name order by country_code';
 190                 $aPartitions = $oDB->getCol($sSQL);
 191                 if (PEAR::isError($aPartitions))
 192                 {
 193                         fail($aPartitions->getMessage());
 194                 }
 195                 $aPartitions[] = 0;
 196
 197                 $sSQL = "select word_token,count(*) from word where substr(word_token, 1, 1) = ' ' and class is null and type is null and country_code is null group by word_token having count(*) > 1 order by word_token";
 198                 $aDuplicateTokens = $oDB->getAll($sSQL);
 199                 foreach($aDuplicateTokens as $aToken)
 200                 {
 201                         if (trim($aToken['word_token']) == '' || trim($aToken['word_token']) == '-') continue;
 202                         echo "Deduping ".$aToken['word_token']."\n";
 203                         $sSQL = "select word_id,(select count(*) from search_name where nameaddress_vector @> ARRAY[word_id]) as num from word where word_token = '".$aToken['word_token']."' and class is null and type is null and country_code is null order by num desc";
 204                         $aTokenSet = $oDB->getAll($sSQL);
 205                         if (PEAR::isError($aTokenSet))
 206                         {
 207                                 var_dump($aTokenSet, $sSQL);
 208                                 exit;
 209                         }
 210
 211                         $aKeep = array_shift($aTokenSet);
 212                         $iKeepID = $aKeep['word_id'];
 213
 214                         foreach($aTokenSet as $aRemove)
 215                         {
 216                                 $sSQL = "update search_name set";
 217                                 $sSQL .= " name_vector = (name_vector - ".$aRemove['word_id'].")+".$iKeepID.",";
 218                                 $sSQL .= " nameaddress_vector = (nameaddress_vector - ".$aRemove['word_id'].")+".$iKeepID;
 219                                 $sSQL .= " where name_vector @> ARRAY[".$aRemove['word_id']."]";
 220                                 $x = $oDB->query($sSQL);
 221                                 if (PEAR::isError($x))
 222                                 {
 223                                         var_dump($x);
 224                                         exit;
 225                                 }
 226
 227                                 $sSQL = "update search_name set";
 228                                 $sSQL .= " nameaddress_vector = (nameaddress_vector - ".$aRemove['word_id'].")+".$iKeepID;
 229                                 $sSQL .= " where nameaddress_vector @> ARRAY[".$aRemove['word_id']."]";
 230                                 $x = $oDB->query($sSQL);
 231                                 if (PEAR::isError($x))
 232                                 {
 233                                         var_dump($x);
 234                                         exit;
 235                                 }
 236
 237                                 $sSQL = "update location_area_country set";
 238                                 $sSQL .= " keywords = (keywords - ".$aRemove['word_id'].")+".$iKeepID;
 239                                 $sSQL .= " where keywords @> ARRAY[".$aRemove['word_id']."]";
 240                                 $x = $oDB->query($sSQL);
 241                                 if (PEAR::isError($x))
 242                                 {
 243                                         var_dump($x);
 244                                         exit;
 245                                 }
 246
 247                                 foreach ($aPartitions as $sPartition)
 248                                 {
 249                                         $sSQL = "update search_name_".$sPartition." set";
 250                                         $sSQL .= " name_vector = (name_vector - ".$aRemove['word_id'].")+".$iKeepID.",";
 251                                         $sSQL .= " nameaddress_vector = (nameaddress_vector - ".$aRemove['word_id'].")+".$iKeepID;
 252                                         $sSQL .= " where name_vector @> ARRAY[".$aRemove['word_id']."]";
 253                                         $x = $oDB->query($sSQL);
 254                                         if (PEAR::isError($x))
 255                                         {
 256                                                 var_dump($x);
 257                                                 exit;
 258                                         }
 259
 260                                         $sSQL = "update search_name_".$sPartition." set";
 261                                         $sSQL .= " nameaddress_vector = (nameaddress_vector - ".$aRemove['word_id'].")+".$iKeepID;
 262                                         $sSQL .= " where nameaddress_vector @> ARRAY[".$aRemove['word_id']."]";
 263                                         $x = $oDB->query($sSQL);
 264                                         if (PEAR::isError($x))
 265                                         {
 266                                                 var_dump($x);
 267                                                 exit;
 268                                         }
 269
 270                                         $sSQL = "update location_area_country set";
 271                                         $sSQL .= " keywords = (keywords - ".$aRemove['word_id'].")+".$iKeepID;
 272                                         $sSQL .= " where keywords @> ARRAY[".$aRemove['word_id']."]";
 273                                         $x = $oDB->query($sSQL);
 274                                         if (PEAR::isError($x))
 275                                         {
 276                                                 var_dump($x);
 277                                                 exit;
 278                                         }
 279                                 }
 280
 281                                 $sSQL = "delete from word where word_id = ".$aRemove['word_id'];
 282                                 $x = $oDB->query($sSQL);
 283                                 if (PEAR::isError($x))
 284                                 {
 285                                         var_dump($x);
 286                                         exit;
 287                                 }
 288                         }
 289
 290                 }
 291         }
 292
 293         if ($aResult['index'])
 294         {
 295                 index($aResult, $sDatabaseDSN);
 296         }
 297
 298         if ($aResult['import-osmosis'] || $aResult['import-osmosis-all'])
 299         {
 300                 $sImportFile = CONST_BasePath.'/data/osmosischange.osc';
 301                 $sOsmosisCMD = CONST_BasePath.'/osmosis-0.38/bin/osmosis';
 302                 $sOsmosisConfigDirectory = CONST_BasePath.'/settings';
 303                 $sDatabaseName = 'nominatim';
 304                 $sCMDDownload = $sOsmosisCMD.' --read-replication-interval workingDirectory='.$sOsmosisConfigDirectory.' --simplify-change --write-xml-change '.$sImportFile;
 305                 $sCMDImport = $sBasePath.'/osm2pgsql/osm2pgsql -klas -C 2000 -O gazetteer -d '.$sDatabaseName.' '.$sImportFile;
 306                 $sCMDIndex = $sBasePath.'/nominatim/nominatim -i -t 15 -F ';
 307 //              $sCMDIndex = $sBasePath.'/nominatim/nominatim -i -t 15 ';
 308                 while(true)
 309                 {
 310                         $fStartTime = time();
 311                         $iFileSize = 1001;
 312
 313                         // Logic behind this is that osm2pgsql locks the database quite a bit
 314                         // So it is better to import lots of small files
 315                         // But indexing works most efficiently on large amounts of data
 316                         // So do lots of small imports and a BIG index
 317
 318 //                      while($aResult['import-osmosis-all'] && $iFileSize > 1000)
 319 //                      {
 320                                 if (!file_exists($sImportFile))
 321                                 {
 322                                         // Use osmosis to download the file
 323                                         $fCMDStartTime = time();
 324                                         echo $sCMDDownload."\n";
 325                                         exec($sCMDDownload, $sJunk, $iErrorLevel);
 326                                         if ($iErrorLevel)
 327                                         {
 328                                                 echo "Error: $iErrorLevel\n";
 329                                                 exit;
 330                                         }
 331                                         $iFileSize = filesize($sImportFile);
 332                                         $sBatchEnd = getosmosistimestamp($sOsmosisConfigDirectory);
 333                                         echo "Completed for $sBatchEnd in ".round((time()-$fCMDStartTime)/60,2)." minutes\n";
 334                                         $sSQL = "INSERT INTO import_osmosis_log values ('$sBatchEnd',$iFileSize,'".date('Y-m-d H:i:s',$fCMDStartTime)."','".date('Y-m-d H:i:s')."','osmosis')";
 335                                         $oDB->query($sSQL);
 336                                 }
 337
 338                                 $iFileSize = filesize($sImportFile);
 339                                 $sBatchEnd = getosmosistimestamp($sOsmosisConfigDirectory);
 340
 341                                 // Import the file
 342                                 $fCMDStartTime = time();
 343                                 echo $sCMDImport."\n";
 344                                 exec($sCMDImport, $sJunk, $iErrorLevel);
 345                                 if ($iErrorLevel)
 346                                 {
 347                                         echo "Error: $iErrorLevel\n";
 348                                         exit;
 349                                 }
 350                                 echo "Completed for $sBatchEnd in ".round((time()-$fCMDStartTime)/60,2)." minutes\n";
 351                                 $sSQL = "INSERT INTO import_osmosis_log values ('$sBatchEnd',$iFileSize,'".date('Y-m-d H:i:s',$fCMDStartTime)."','".date('Y-m-d H:i:s')."','osm2pgsql')";
 352                                 var_Dump($sSQL);
 353                                 $oDB->query($sSQL);
 354
 355                                 // Archive for debug?
 356                                 unlink($sImportFile);
 357
 358                                 $sBatchEnd = getosmosistimestamp($sOsmosisConfigDirectory);
 359
 360                                 // Index file
 361                                 $fCMDStartTime = time();
 362                                 $iFileID = $oDB->getOne('select nextval(\'file\')');
 363                                 if (PEAR::isError($iFileID))
 364                                 {
 365                                         echo $oDB->getMessage()."\n";
 366                                         exit;
 367                                 }
 368                                 $sFileDir = CONST_BasePath.'/export/diff/';
 369                                 $sFileDir .= str_pad(floor($iFileID/1000000), 3, '0', STR_PAD_LEFT);
 370                                 $sFileDir .= '/'.str_pad(floor($iFileID/1000) % 1000, 3, '0', STR_PAD_LEFT);
 371
 372                                 if (!is_dir($sFileDir)) mkdir($sFileDir, 0777, true);
 373                                 $sThisIndexCmd = $sCMDIndex;
 374                                 $sThisIndexCmd .= $sFileDir;
 375                                 $sThisIndexCmd .= '/'.str_pad($iFileID % 1000, 3, '0', STR_PAD_LEFT);
 376                                 $sThisIndexCmd .= ".npi.out";
 377                                 echo "$sThisIndexCmd\n";
 378
 379                                 preg_match('#^([0-9]{4})-([0-9]{2})-([0-9]{2})#', $sBatchEnd, $aBatchMatch);
 380                                 $sFileDir = CONST_BasePath.'/export/index/';
 381                                 $sFileDir .= $aBatchMatch[1].'/'.$aBatchMatch[2];
 382
 383                                 if (!is_dir($sFileDir)) mkdir($sFileDir, 0777, true);
 384                                 file_put_contents($sFileDir.'/'.$aBatchMatch[3].'.idx', "$sBatchEnd\t$iFileID\n", FILE_APPEND);
 385
 386                                 exec($sThisIndexCmd, $sJunk, $iErrorLevel);
 387                                 if ($iErrorLevel)
 388                                 {
 389                                         echo "Error: $iErrorLevel\n";
 390                                         exit;
 391                                 }
 392
 393                                 $sFileDir = CONST_BasePath.'/export/diff/';
 394                                 $sFileDir .= str_pad(floor($iFileID/1000000), 3, '0', STR_PAD_LEFT);
 395                                 $sFileDir .= '/'.str_pad(floor($iFileID/1000) % 1000, 3, '0', STR_PAD_LEFT);
 396
 397                                 $sThisIndexCmd = 'bzip2 -z9 '.$sFileDir.'/'.str_pad($iFileID % 1000, 3, '0', STR_PAD_LEFT).".npi.out";
 398                                 echo "$sThisIndexCmd\n";
 399                                 exec($sThisIndexCmd, $sJunk, $iErrorLevel);
 400                                 if ($iErrorLevel)
 401                                 {
 402                                         echo "Error: $iErrorLevel\n";
 403                                         exit;
 404                                 }
 405
 406                                 rename($sFileDir.'/'.str_pad($iFileID % 1000, 3, '0', STR_PAD_LEFT).".npi.out.bz2",
 407                                         $sFileDir.'/'.str_pad($iFileID % 1000, 3, '0', STR_PAD_LEFT).".npi.bz2");
 408
 409                                 echo "Completed for $sBatchEnd in ".round((time()-$fCMDStartTime)/60,2)." minutes\n";
 410                                 $sSQL = "INSERT INTO import_osmosis_log values ('$sBatchEnd',$iFileSize,'".date('Y-m-d H:i:s',$fCMDStartTime)."','".date('Y-m-d H:i:s')."','index')";
 411                                 $oDB->query($sSQL);
 412
 413                                 $sSQL = "update import_status set lastimportdate = '$sBatchEnd'";
 414                                 $oDB->query($sSQL);
 415
 416
 417                                 $fDuration = time() - $fStartTime;
 418                                 echo "Completed for $sBatchEnd in ".round($fDuration/60,2)."\n";
 419                                 if (!$aResult['import-osmosis-all']) exit;
 420 //                      }
 421
 422                         echo "Sleeping ".max(0,60-$fDuration)." seconds\n";
 423                         sleep(max(0,60-$fDuration));
 424                 }
 425
 426         }
 427
 428         if ($aResult['import-npi-all'])
 429         {
 430                 $iNPIID = $oDB->getOne('select max(npiid) from import_npi_log');
 431                 if (PEAR::isError($iNPIID))
 432                 {
 433                         var_dump($iNPIID);
 434                         exit;
 435                 }
 436                 $sConfigDirectory = CONST_BasePath.'/settings';
 437                 $sCMDImportTemplate = $sBasePath.'/nominatim/nominatim -d gazetteer -P 5433 -I -T '.$sBasePath.'/nominatim/partitionedtags.def -F ';
 438                 while(true)
 439                 {
 440                         $fStartTime = time();
 441
 442                         $iNPIID++;
 443
 444                         $sImportFile = CONST_BasePath.'/export/diff/';
 445                         $sImportFile .= str_pad(floor($iNPIID/1000000), 3, '0', STR_PAD_LEFT);
 446                         $sImportFile .= '/'.str_pad(floor($iNPIID/1000) % 1000, 3, '0', STR_PAD_LEFT);
 447                         $sImportFile .= '/'.str_pad($iNPIID % 1000, 3, '0', STR_PAD_LEFT);
 448                         $sImportFile .= ".npi";
 449                         while(!file_exists($sImportFile) && !file_exists($sImportFile.'.bz2'))
 450                         {
 451                                 echo "sleep\n";
 452                                 sleep(10);
 453                         }
 454                         if (file_exists($sImportFile.'.bz2')) $sImportFile .= '.bz2';
 455
 456                         $iFileSize = filesize($sImportFile);
 457
 458                         // Import the file
 459                         $fCMDStartTime = time();
 460                         $sCMDImport = $sCMDImportTemplate . $sImportFile;
 461                         echo $sCMDImport."\n";
 462                         exec($sCMDImport, $sJunk, $iErrorLevel);
 463                         if ($iErrorLevel)
 464                         {
 465                                 echo "Error: $iErrorLevel\n";
 466                                 exit;
 467                         }
 468                         $sBatchEnd = $iNPIID;
 469                         echo "Completed for $sBatchEnd in ".round((time()-$fCMDStartTime)/60,2)." minutes\n";
 470                         $sSQL = "INSERT INTO import_npi_log values ($iNPIID, null, $iFileSize,'".date('Y-m-d H:i:s',$fCMDStartTime)."','".date('Y-m-d H:i:s')."','import')";
 471                         var_Dump($sSQL);
 472                         $oDB->query($sSQL);
 473                 }
 474
 475         }
 476
 477         function getosmosistimestamp($sOsmosisConfigDirectory)
 478         {
 479                 $sStateFile = file_get_contents($sOsmosisConfigDirectory.'/state.txt');
 480                 preg_match('#timestamp=(.+)#', $sStateFile, $aResult);
 481                 return str_replace('\:',':',$aResult[1]);
 482         }