X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/fd448170c5b5b8870d5e54f0622a8f151dceca34..b57dc6addfe6d91ad78642d1f6881d206b7e425a:/utils/setup.php?ds=sidebyside

diff --git a/utils/setup.php b/utils/setup.php
index 4b60815c..6bd21055 100755
--- a/utils/setup.php
+++ b/utils/setup.php
@@ -20,17 +20,20 @@
 		array('import-data', '', 0, 1, 0, 0, 'bool', 'Import a osm file'),
 		array('osm2pgsql-cache', '', 0, 1, 1, 1, 'int', 'Cache size used by osm2pgsql'),
 		array('create-functions', '', 0, 1, 0, 0, 'bool', 'Create functions'),
+		array('enable-diff-updates', '', 0, 1, 0, 0, 'bool', 'Turn on the code required to make diff updates work'),
+		array('enable-debug-statements', '', 0, 1, 0, 0, 'bool', 'Include debug warning statements in pgsql commands'),
 		array('create-minimal-tables', '', 0, 1, 0, 0, 'bool', 'Create minimal main tables'),
 		array('create-tables', '', 0, 1, 0, 0, 'bool', 'Create main tables'),
 		array('create-partitions', '', 0, 1, 0, 0, 'bool', 'Create required partition tables and triggers'),
 		array('import-wikipedia-articles', '', 0, 1, 0, 0, 'bool', 'Import wikipedia article dump'),
 		array('load-data', '', 0, 1, 0, 0, 'bool', 'Copy data to live tables from import table'),
+		array('disable-token-precalc', '', 0, 1, 0, 0, 'bool', 'Disable name precalculation (EXPERT)'),
 		array('import-tiger-data', '', 0, 1, 0, 0, 'bool', 'Import tiger data (not included in \'all\')'),
 		array('calculate-postcodes', '', 0, 1, 0, 0, 'bool', 'Calculate postcode centroids'),
 		array('create-roads', '', 0, 1, 0, 0, 'bool', 'Calculate postcode centroids'),
 		array('osmosis-init', '', 0, 1, 0, 0, 'bool', 'Generate default osmosis configuration'),
-		array('osmosis-init-date', '', 0, 1, 1, 1, 'string', 'Generate default osmosis configuration'),
 		array('index', '', 0, 1, 0, 0, 'bool', 'Index the data'),
+		array('index-noanalyse', '', 0, 1, 0, 0, 'bool', 'Do not perform analyse operations during index (EXPERT)'),
 		array('index-output', '', 0, 1, 1, 1, 'string', 'File to dump index information to'),
 		array('create-search-indices', '', 0, 1, 0, 0, 'bool', 'Create additional indices required for search and update'),
 		array('create-website', '', 0, 1, 1, 1, 'realpath', 'Create symlinks to setup web directory'),
@@ -39,7 +42,27 @@
 
 	$bDidSomething = false;
 
-	// This is a pretty hard core defult - the number of processors in the box - 1
+	// Check if osm-file is set and points to a valid file if --all or --import-data is given
+	if ($aCMDResult['import-data'] || $aCMDResult['all'])
+	{
+		if (!isset($aCMDResult['osm-file']))
+		{
+			fail('missing --osm-file for data import');
+		}
+
+		if (!file_exists($aCMDResult['osm-file']))
+		{
+			fail('the path supplied to --osm-file does not exist');
+		}
+
+		if (!is_readable($aCMDResult['osm-file']))
+		{
+			fail('osm-file "'.$aCMDResult['osm-file'].'" not readable');
+		}
+	}
+
+
+	// This is a pretty hard core default - the number of processors in the box - 1
 	$iInstances = isset($aCMDResult['threads'])?$aCMDResult['threads']:(getProcessorCount()-1);
 	if ($iInstances < 1)
 	{
@@ -60,16 +83,6 @@
 		echo "WARNING: resetting cache memory to $iCacheMemory\n";
 	}
 
-	if (isset($aCMDResult['osm-file']) && !isset($aCMDResult['osmosis-init-date']))
-	{
-		$sBaseFile = basename($aCMDResult['osm-file']);
-		if (preg_match('#^planet-([0-9]{2})([0-9]{2})([0-9]{2})[.]#', $sBaseFile, $aMatch))
-		{
-			$iTime = mktime(0, 0, 0, $aMatch[2], $aMatch[3], '20'.$aMatch[1]);
-			$iTime -= (60*60*24);
-			$aCMDResult['osmosis-init-date'] = date('Y-m-d', $iTime).'T22:00:00Z';
-		}
-	}
 	$aDSNInfo = DB::parseDSN(CONST_Database_DSN);
 	if (!isset($aDSNInfo['port']) || !$aDSNInfo['port']) $aDSNInfo['port'] = 5432;
 
@@ -82,24 +95,43 @@
 		{
 			fail('database already exists ('.CONST_Database_DSN.')');
 		}
-		passthru('createdb -E UTF-8 '.$aDSNInfo['database']);
+		passthruCheckReturn('createdb -E UTF-8 -p '.$aDSNInfo['port'].' '.$aDSNInfo['database']);
 	}
 
-	if ($aCMDResult['create-db'] || $aCMDResult['all'])
+	if ($aCMDResult['setup-db'] || $aCMDResult['all'])
 	{
-		echo "Create DB (2)\n";
+		echo "Setup DB\n";
 		$bDidSomething = true;
 		// TODO: path detection, detection memory, etc.
 
 		$oDB =& getDB();
-		passthru('createlang plpgsql '.$aDSNInfo['database']);
+
+		$sVersionString = $oDB->getOne('select version()');
+		preg_match('#PostgreSQL ([0-9]+)[.]([0-9]+)[.]([0-9]+) #', $sVersionString, $aMatches);
+		if (CONST_Postgresql_Version != $aMatches[1].'.'.$aMatches[2])
+		{
+			echo "ERROR: PostgreSQL version is not correct.  Expected ".CONST_Postgresql_Version." found ".$aMatches[1].'.'.$aMatches[2]."\n";
+			exit;
+		}
+
+		passthru('createlang plpgsql -p '.$aDSNInfo['port'].' '.$aDSNInfo['database']);
 		$pgver = (float) CONST_Postgresql_Version;
 		if ($pgver < 9.1) {
 			pgsqlRunScriptFile(CONST_Path_Postgresql_Contrib.'/hstore.sql');
+			pgsqlRunScriptFile(CONST_BasePath.'/sql/hstore_compatability_9_0.sql');
 		} else {
 			pgsqlRunScript('CREATE EXTENSION hstore');
 		}
+
 		pgsqlRunScriptFile(CONST_Path_Postgresql_Postgis.'/postgis.sql');
+		$sVersionString = $oDB->getOne('select postgis_full_version()');
+		preg_match('#POSTGIS="([0-9]+)[.]([0-9]+)[.]([0-9]+)( r([0-9]+))?"#', $sVersionString, $aMatches);
+		if (CONST_Postgis_Version != $aMatches[1].'.'.$aMatches[2])
+		{
+			echo "ERROR: PostGIS version is not correct.  Expected ".CONST_Postgis_Version." found ".$aMatches[1].'.'.$aMatches[2]."\n";
+			exit;
+		}
+
 		pgsqlRunScriptFile(CONST_Path_Postgresql_Postgis.'/spatial_ref_sys.sql');
 		pgsqlRunScriptFile(CONST_BasePath.'/data/country_name.sql');
 		pgsqlRunScriptFile(CONST_BasePath.'/data/country_naturalearthdata.sql');
@@ -117,11 +149,17 @@
 		$bDidSomething = true;
 
 		$osm2pgsql = CONST_Osm2pgsql_Binary;
-		if (!file_exists($osm2pgsql)) fail("please download and build osm2pgsql");
+		if (!file_exists($osm2pgsql))
+		{
+			echo "Please download and build osm2pgsql.\nIf it is already installed, check the path in your local settings (settings/local.php) file.\n";
+			fail("osm2pgsql not found in '$osm2pgsql'");
+		}
+		$osm2pgsql .= ' --tablespace-slim-index ssd --tablespace-main-index ssd --tablespace-main-data ssd --tablespace-slim-data data';
 		$osm2pgsql .= ' -lsc -O gazetteer --hstore';
-		$osm2pgsql .= ' -C '.$iCacheMemory;
+		$osm2pgsql .= ' -C 16000';
+		$osm2pgsql .= ' -P '.$aDSNInfo['port'];
 		$osm2pgsql .= ' -d '.$aDSNInfo['database'].' '.$aCMDResult['osm-file'];
-		passthru($osm2pgsql);
+		passthruCheckReturn($osm2pgsql);
 
 		$oDB =& getDB();
 		$x = $oDB->getRow('select * from place limit 1');
@@ -137,7 +175,9 @@
 		$bDidSomething = true;
 		if (!file_exists(CONST_BasePath.'/module/nominatim.so')) fail("nominatim module not built");
 		$sTemplate = file_get_contents(CONST_BasePath.'/sql/functions.sql');
-		$sTemplate = str_replace('{modulepath}',CONST_BasePath.'/module', $sTemplate);
+		$sTemplate = str_replace('{modulepath}', CONST_BasePath.'/module', $sTemplate);
+		if ($aCMDResult['enable-diff-updates']) $sTemplate = str_replace('RETURN NEW; -- @DIFFUPDATES@', '--', $sTemplate);
+		if ($aCMDResult['enable-debug-statements']) $sTemplate = str_replace('--DEBUG:', '', $sTemplate);
 		pgsqlRunScript($sTemplate);
 	}
 
@@ -219,7 +259,7 @@
 		if (file_exists($sWikiArticlesFile))
 		{
 			echo "Importing wikipedia articles...";
-			pgsqlRunRestoreData($sWikiArticlesFile);
+			pgsqlRunDropAndRestore($sWikiArticlesFile);
 			echo "...done\n";
 		}
 		else
@@ -229,7 +269,7 @@
 		if (file_exists($sWikiRedirectsFile))
 		{
 			echo "Importing wikipedia redirects...";
-			pgsqlRunRestoreData($sWikiRedirectsFile);
+			pgsqlRunDropAndRestore($sWikiRedirectsFile);
 			echo "...done\n";
 		}
 		else
@@ -241,7 +281,7 @@
 
 	if ($aCMDResult['load-data'] || $aCMDResult['all'])
 	{
-		echo "Load Data\n";
+		echo "Drop old Data\n";
 		$bDidSomething = true;
 
 		$oDB =& getDB();
@@ -264,14 +304,31 @@
 		if (!pg_query($oDB->connection, 'CREATE SEQUENCE seq_place start 100000')) fail(pg_last_error($oDB->connection));
 		echo '.';
 
+		$sSQL = 'select partition from country_name order by country_code';
+		$aPartitions = $oDB->getCol($sSQL);
+		if (PEAR::isError($aPartitions))
+		{
+			fail($aPartitions->getMessage());
+		}
+		$aPartitions[] = 0;
+		foreach($aPartitions as $sPartition)
+		{
+			if (!pg_query($oDB->connection, 'TRUNCATE location_road_'.$sPartition)) fail(pg_last_error($oDB->connection));
+			echo '.';
+		}
+
+		// used by getorcreate_word_id to ignore frequent partial words
+		if (!pg_query($oDB->connection, 'CREATE OR REPLACE FUNCTION get_maxwordfreq() RETURNS integer AS $$ SELECT '.CONST_Max_Word_Frequency.' as maxwordfreq; $$ LANGUAGE SQL IMMUTABLE')) fail(pg_last_error($oDB->connection));
+		echo ".\n";
+
 		// pre-create the word list
-		if (!pg_query($oDB->connection, 'select count(make_keywords(v)) from (select distinct svals(name) as v from place) as w where v is not null;')) fail(pg_last_error($oDB->connection));
-		echo '.';
-		if (!pg_query($oDB->connection, 'select count(make_keywords(v)) from (select distinct postcode as v from place) as w where v is not null;')) fail(pg_last_error($oDB->connection));
-		echo '.';
-		if (!pg_query($oDB->connection, 'select count(getorcreate_housenumber_id(v)) from (select distinct housenumber as v from place where housenumber is not null) as w;')) fail(pg_last_error($oDB->connection));
-		echo '.';
+		if (!$aCMDResult['disable-token-precalc'])
+		{
+			echo "Loading word list\n";
+			pgsqlRunScriptFile(CONST_BasePath.'/data/words.sql');
+		}
 
+		echo "Load Data\n";
 		$aDBInstances = array();
 		for($i = 0; $i < $iInstances; $i++)
 		{
@@ -308,7 +365,7 @@
 		{
 			$aDBInstances[$i] =& getDB(true);
 			if (!pg_query($aDBInstances[$i]->connection, 'set enable_bitmapscan = off')) fail(pg_last_error($oDB->connection));
-			$sSQL = 'select count(*) from (select insertLocationRoad(partition, place_id, country_code, geometry) from ';
+			$sSQL = 'select count(*) from (select insertLocationRoad(partition, place_id, calculated_country_code, geometry) from ';
 			$sSQL .= 'placex where osm_id % '.$iInstances.' = '.$i.' and rank_search between 26 and 27 and class = \'highway\') as x ';
 			if ($aCMDResult['verbose']) echo "$sSQL\n";
 			if (!pg_send_query($aDBInstances[$i]->connection, $sSQL)) fail(pg_last_error($oDB->connection));
@@ -331,6 +388,8 @@
 	{
 		$bDidSomething = true;
 
+		pgsqlRunScriptFile(CONST_BasePath.'/sql/tiger_import_start.sql');
+
 		$aDBInstances = array();
 		for($i = 0; $i < $iInstances; $i++)
 		{
@@ -379,6 +438,9 @@
 			}
 			echo "\n";
 		}
+
+		echo "Creating indexes\n";
+		pgsqlRunScriptFile(CONST_BasePath.'/sql/tiger_import_finish.sql');
 	}
 
 	if ($aCMDResult['calculate-postcodes'] || $aCMDResult['all'])
@@ -386,43 +448,89 @@
 		$bDidSomething = true;
 		$oDB =& getDB();
 		if (!pg_query($oDB->connection, 'DELETE from placex where osm_type=\'P\'')) fail(pg_last_error($oDB->connection));
-		$sSQL = "insert into placex (osm_type,osm_id,class,type,postcode,country_code,geometry) ";
-		$sSQL .= "select 'P',nextval('seq_postcodes'),'place','postcode',postcode,country_code,";
-		$sSQL .= "ST_SetSRID(ST_Point(x,y),4326) as geometry from (select country_code,postcode,";
+		$sSQL = "insert into placex (osm_type,osm_id,class,type,postcode,calculated_country_code,geometry) ";
+		$sSQL .= "select 'P',nextval('seq_postcodes'),'place','postcode',postcode,calculated_country_code,";
+		$sSQL .= "ST_SetSRID(ST_Point(x,y),4326) as geometry from (select calculated_country_code,postcode,";
 		$sSQL .= "avg(st_x(st_centroid(geometry))) as x,avg(st_y(st_centroid(geometry))) as y ";
-		$sSQL .= "from placex where postcode is not null group by country_code,postcode) as x";
+		$sSQL .= "from placex where postcode is not null and calculated_country_code not in ('ie') group by calculated_country_code,postcode) as x";
 		if (!pg_query($oDB->connection, $sSQL)) fail(pg_last_error($oDB->connection));
 
-		$sSQL = "insert into placex (osm_type,osm_id,class,type,postcode,country_code,geometry) ";
+		$sSQL = "insert into placex (osm_type,osm_id,class,type,postcode,calculated_country_code,geometry) ";
 		$sSQL .= "select 'P',nextval('seq_postcodes'),'place','postcode',postcode,'us',";
 		$sSQL .= "ST_SetSRID(ST_Point(x,y),4326) as geometry from us_postcode";
 		if (!pg_query($oDB->connection, $sSQL)) fail(pg_last_error($oDB->connection));
 	}
 
-	if (($aCMDResult['osmosis-init'] || $aCMDResult['all']) && isset($aCMDResult['osmosis-init-date']))
+	if ($aCMDResult['osmosis-init'] || $aCMDResult['all'])
 	{
 		$bDidSomething = true;
 		$oDB =& getDB();
 
 		if (!file_exists(CONST_Osmosis_Binary)) fail("please download osmosis");
-		if (file_exists(CONST_BasePath.'/settings/configuration.txt')) echo "settings/configuration.txt already exists\n";
-		else passthru(CONST_Osmosis_Binary.' --read-replication-interval-init '.CONST_BasePath.'/settings');
-
-		$sDate = $aCMDResult['osmosis-init-date'];
-		$aDate = date_parse_from_format("Y-m-d\TH-i", $sDate);
-		$sURL = 'http://toolserver.org/~mazder/replicate-sequences/?';
-		$sURL .= 'Y='.$aDate['year'].'&m='.$aDate['month'].'&d='.$aDate['day'];
-		$sURL .= '&H='.$aDate['hour'].'&i='.$aDate['minute'].'&s=0';
-		$sURL .= '&stream=minute';
-		echo "Getting state file: $sURL\n";
-		$sStateFile = file_get_contents($sURL);
+		if (file_exists(CONST_BasePath.'/settings/configuration.txt'))
+		{
+			echo "settings/configuration.txt already exists\n";
+		}
+		else
+		{
+			passthru(CONST_Osmosis_Binary.' --read-replication-interval-init '.CONST_BasePath.'/settings');
+			// server layout changed afer license change, fix path to minutely diffs
+			passthru("sed -i 's:minute-replicate:replication/minute:' ".CONST_BasePath.'/settings/configuration.txt');
+		}
+
+		// Find the last node in the DB
+		$iLastOSMID = $oDB->getOne("select max(osm_id) as osm_id from place where osm_type = 'N'");
+
+		// Lookup the timestamp that node was created (less 3 hours for margin for changsets to be closed)
+		$sLastNodeURL = 'http://www.openstreetmap.org/api/0.6/node/'.$iLastOSMID;
+		$sLastNodeXML = file_get_contents($sLastNodeURL);
+		preg_match('#timestamp="(([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})Z)"#', $sLastNodeXML, $aLastNodeDate);
+		$iLastNodeTimestamp = strtotime($aLastNodeDate[1]) - (3*60*60);
+
+
+		// Search for the correct state file - uses file timestamps
+		$sRepURL = 'http://planet.openstreetmap.org/replication/minute/';
+		$sRep = file_get_contents($sRepURL);
+		preg_match_all('#<a href="[0-9]{3}/">([0-9]{3}/)</a> *(([0-9]{2})-([A-z]{3})-([0-9]{4}) ([0-9]{2}):([0-9]{2}))#', $sRep, $aRepMatches, PREG_SET_ORDER);
+		$aPrevRepMatch = false;
+		foreach($aRepMatches as $aRepMatch)
+		{
+			if (strtotime($aRepMatch[2]) < $iLastNodeTimestamp) break;
+			$aPrevRepMatch = $aRepMatch;
+		}
+		if ($aPrevRepMatch) $aRepMatch = $aPrevRepMatch;
+
+		$sRepURL .= $aRepMatch[1];
+		$sRep = file_get_contents($sRepURL);
+		preg_match_all('#<a href="[0-9]{3}/">([0-9]{3}/)</a> *(([0-9]{2})-([A-z]{3})-([0-9]{4}) ([0-9]{2}):([0-9]{2}))#', $sRep, $aRepMatches, PREG_SET_ORDER);
+		$aPrevRepMatch = false;
+		foreach($aRepMatches as $aRepMatch)
+		{
+			if (strtotime($aRepMatch[2]) < $iLastNodeTimestamp) break;
+			$aPrevRepMatch = $aRepMatch;
+		}
+		if ($aPrevRepMatch) $aRepMatch = $aPrevRepMatch;
+
+		$sRepURL .= $aRepMatch[1];
+		$sRep = file_get_contents($sRepURL);
+		preg_match_all('#<a href="[0-9]{3}.state.txt">([0-9]{3}).state.txt</a> *(([0-9]{2})-([A-z]{3})-([0-9]{4}) ([0-9]{2}):([0-9]{2}))#', $sRep, $aRepMatches, PREG_SET_ORDER);
+		$aPrevRepMatch = false;
+		foreach($aRepMatches as $aRepMatch)
+		{
+			if (strtotime($aRepMatch[2]) < $iLastNodeTimestamp) break;
+			$aPrevRepMatch = $aRepMatch;
+		}
+		if ($aPrevRepMatch) $aRepMatch = $aPrevRepMatch;
+
+		$sRepURL .= $aRepMatch[1].'.state.txt';
+		echo "Getting state file: $sRepURL\n";
+		$sStateFile = file_get_contents($sRepURL);
 		if (!$sStateFile || strlen($sStateFile) > 1000) fail("unable to obtain state file");
 		file_put_contents(CONST_BasePath.'/settings/state.txt', $sStateFile);
 		echo "Updating DB status\n";
 		pg_query($oDB->connection, 'TRUNCATE import_status');
-		$sSQL = "INSERT INTO import_status VALUES('".$sDate."')";
+		$sSQL = "INSERT INTO import_status VALUES('".$aRepMatch[2]."')";
 		pg_query($oDB->connection, $sSQL);
-
 	}
 
 	if ($aCMDResult['index'] || $aCMDResult['all'])
@@ -430,8 +538,12 @@
 		$bDidSomething = true;
 		$sOutputFile = '';
 		if (isset($aCMDResult['index-output'])) $sOutputFile = ' -F '.$aCMDResult['index-output'];
-		$sBaseCmd = CONST_BasePath.'/nominatim/nominatim -i -d '.$aDSNInfo['database'].' -t '.$iInstances.$sOutputFile;
-		passthru($sBaseCmd);
+		$sBaseCmd = CONST_BasePath.'/nominatim/nominatim -i -d '.$aDSNInfo['database'].' -P '.$aDSNInfo['port'].' -t '.$iInstances.$sOutputFile;
+		passthruCheckReturn($sBaseCmd.' -R 4');
+		if (!$aCMDResult['index-noanalyse']) pgsqlRunScript('ANALYSE');
+		passthruCheckReturn($sBaseCmd.' -r 5 -R 25');
+		if (!$aCMDResult['index-noanalyse']) pgsqlRunScript('ANALYSE');
+		passthruCheckReturn($sBaseCmd.' -r 26');
 	}
 
 	if ($aCMDResult['create-search-indices'] || $aCMDResult['all'])
@@ -466,13 +578,21 @@
 	{
 		$bDidSomething = true;
 		$sTargetDir = $aCMDResult['create-website'];
-		if (!is_dir($sTargetDir)) fail('please specify a directory to setup');
+		if (!is_dir($sTargetDir))
+		{
+			echo "You must create the website directory before calling this function.\n";
+			fail("Target directory does not exist.");
+		}
+
 		@symlink(CONST_BasePath.'/website/details.php', $sTargetDir.'/details.php');
 		@symlink(CONST_BasePath.'/website/reverse.php', $sTargetDir.'/reverse.php');
 		@symlink(CONST_BasePath.'/website/search.php', $sTargetDir.'/search.php');
 		@symlink(CONST_BasePath.'/website/search.php', $sTargetDir.'/index.php');
+		@symlink(CONST_BasePath.'/website/deletable.php', $sTargetDir.'/deletable.php');
+		@symlink(CONST_BasePath.'/website/polygons.php', $sTargetDir.'/polygons.php');
 		@symlink(CONST_BasePath.'/website/images', $sTargetDir.'/images');
 		@symlink(CONST_BasePath.'/website/js', $sTargetDir.'/js');
+		@symlink(CONST_BasePath.'/website/css', $sTargetDir.'/css');
 		echo "Symlinks created\n";
 	}
 
@@ -485,7 +605,7 @@
 	{
 		if (!file_exists($sFilename)) fail('unable to find '.$sFilename);
 
-		// Convert database DSN to psql paramaters
+		// Convert database DSN to psql parameters
 		$aDSNInfo = DB::parseDSN(CONST_Database_DSN);
 		if (!isset($aDSNInfo['port']) || !$aDSNInfo['port']) $aDSNInfo['port'] = 5432;
 		$sCMD = 'psql -p '.$aDSNInfo['port'].' -d '.$aDSNInfo['database'].' -f '.$sFilename;
@@ -513,7 +633,7 @@
 
 	function pgsqlRunScript($sScript)
 	{
-		// Convert database DSN to psql paramaters
+		// Convert database DSN to psql parameters
 		$aDSNInfo = DB::parseDSN(CONST_Database_DSN);
 		if (!isset($aDSNInfo['port']) || !$aDSNInfo['port']) $aDSNInfo['port'] = 5432;
 		$sCMD = 'psql -p '.$aDSNInfo['port'].' -d '.$aDSNInfo['database'];
@@ -537,7 +657,7 @@
 
 	function pgsqlRunRestoreData($sDumpFile)
 	{
-		// Convert database DSN to psql paramaters
+		// Convert database DSN to psql parameters
 		$aDSNInfo = DB::parseDSN(CONST_Database_DSN);
 		if (!isset($aDSNInfo['port']) || !$aDSNInfo['port']) $aDSNInfo['port'] = 5432;
 		$sCMD = 'pg_restore -p '.$aDSNInfo['port'].' -d '.$aDSNInfo['database'].' -Fc -a '.$sDumpFile;
@@ -562,3 +682,38 @@
 
 		proc_close($hProcess);
 	}
+
+	function pgsqlRunDropAndRestore($sDumpFile)
+	{
+		// Convert database DSN to psql parameters
+		$aDSNInfo = DB::parseDSN(CONST_Database_DSN);
+		if (!isset($aDSNInfo['port']) || !$aDSNInfo['port']) $aDSNInfo['port'] = 5432;
+		$sCMD = 'pg_restore -p '.$aDSNInfo['port'].' -d '.$aDSNInfo['database'].' -Fc --clean '.$sDumpFile;
+
+		$aDescriptors = array(
+			0 => array('pipe', 'r'),
+			1 => array('pipe', 'w'),
+			2 => array('file', '/dev/null', 'a')
+		);
+		$ahPipes = null;
+		$hProcess = proc_open($sCMD, $aDescriptors, $ahPipes);
+		if (!is_resource($hProcess)) fail('unable to start pg_restore');
+
+		fclose($ahPipes[0]);
+
+		// TODO: error checking
+		while(!feof($ahPipes[1]))
+		{
+			echo fread($ahPipes[1], 4096);
+		}
+		fclose($ahPipes[1]);
+
+		proc_close($hProcess);
+	}
+
+	function passthruCheckReturn($cmd)
+	{
+		$result = -1;
+		passthru($cmd, $result);
+		if ($result != 0) fail('Error executing external command: '.$cmd);
+	}