X-Git-Url: https://git.openstreetmap.org/nominatim.git/blobdiff_plain/d01d0c13f4d51ddcff2be065f330278516c0c458..33c919ab09070ed0ec8f4d87366c5f9a0910e2c9:/utils/setup.php

diff --git a/utils/setup.php b/utils/setup.php
index cfe7f560..fe9926b6 100755
--- a/utils/setup.php
+++ b/utils/setup.php
@@ -1,945 +1,830 @@
 #!/usr/bin/php -Cq
 <?php
 
-	require_once(dirname(dirname(__FILE__)).'/settings/settings.php');
-	require_once(CONST_BasePath.'/lib/init-cmd.php');
-	ini_set('memory_limit', '800M');
-
-	$aCMDOptions = array(
-		"Create and setup nominatim search system",
-		array('help', 'h', 0, 1, 0, 0, false, 'Show Help'),
-		array('quiet', 'q', 0, 1, 0, 0, 'bool', 'Quiet output'),
-		array('verbose', 'v', 0, 1, 0, 0, 'bool', 'Verbose output'),
-
-		array('osm-file', '', 0, 1, 1, 1, 'realpath', 'File to import'),
-		array('threads', '', 0, 1, 1, 1, 'int', 'Number of threads (where possible)'),
-
-		array('all', '', 0, 1, 0, 0, 'bool', 'Do the complete process'),
-
-		array('create-db', '', 0, 1, 0, 0, 'bool', 'Create nominatim db'),
-		array('setup-db', '', 0, 1, 0, 0, 'bool', 'Build a blank nominatim db'),
-		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('ignore-errors', '', 0, 1, 0, 0, 'bool', 'Continue import even when errors in SQL are present (EXPERT)'),
-		array('create-tables', '', 0, 1, 0, 0, 'bool', 'Create main tables'),
-		array('create-partition-tables', '', 0, 1, 0, 0, 'bool', 'Create required partition tables'),
-		array('create-partition-functions', '', 0, 1, 0, 0, 'bool', 'Create required partition triggers'),
-		array('no-partitions', '', 0, 1, 0, 0, 'bool', "Do not partition search indices (speeds up import of single country extracts)"),
-		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('osmosis-init', '', 0, 1, 0, 0, 'bool', '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('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'),
-		array('drop', '', 0, 1, 0, 0, 'bool', 'Drop tables needed for updates, making the database readonly (EXPERIMENTAL)'),
-	);
-	getCmdOpt($_SERVER['argv'], $aCMDOptions, $aCMDResult, true, true);
-
-	$bDidSomething = false;
-
-	// Check if osm-file is set and points to a valid file if --all or --import-data is given
-	if ($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)
-	{
-		$iInstances = 1;
-		echo "WARNING: resetting threads to $iInstances\n";
-	}
-	if ($iInstances > getProcessorCount())
-	{
-		$iInstances = getProcessorCount();
-		echo "WARNING: resetting threads to $iInstances\n";
-	}
-
-	// Assume we can steal all the cache memory in the box (unless told otherwise)
-	if (isset($aCMDResult['osm2pgsql-cache']))
-	{
-		$iCacheMemory = $aCMDResult['osm2pgsql-cache'];
-	}
-	else
-	{
-		$iCacheMemory = getCacheMemoryMB();
-	}
-
-	$aDSNInfo = DB::parseDSN(CONST_Database_DSN);
-	if (!isset($aDSNInfo['port']) || !$aDSNInfo['port']) $aDSNInfo['port'] = 5432;
-
-	if ($aCMDResult['create-db'] || $aCMDResult['all'])
-	{
-		echo "Create DB\n";
-		$bDidSomething = true;
-		$oDB =& DB::connect(CONST_Database_DSN, false);
-		if (!PEAR::isError($oDB))
-		{
-			fail('database already exists ('.CONST_Database_DSN.')');
-		}
-		passthruCheckReturn('createdb -E UTF-8 -p '.$aDSNInfo['port'].' '.$aDSNInfo['database']);
-	}
-
-	if ($aCMDResult['setup-db'] || $aCMDResult['all'])
-	{
-		echo "Setup DB\n";
-		$bDidSomething = true;
-		// TODO: path detection, detection memory, etc.
-
-		$oDB =& getDB();
-
-		$fPostgresVersion = getPostgresVersion($oDB);
-		echo 'Postgres version found: '.$fPostgresVersion."\n";
-
-		if ($fPostgresVersion < 9.1)
-		{
-			fail("Minimum supported version of Postgresql is 9.1.");
-		}
-
-		pgsqlRunScript('CREATE EXTENSION IF NOT EXISTS hstore');
-		pgsqlRunScript('CREATE EXTENSION IF NOT EXISTS postgis');
-
-		// For extratags and namedetails the hstore_to_json converter is
-		// needed which is only available from Postgresql 9.3+. For older
-		// versions add a dummy function that returns nothing.
-		$iNumFunc = $oDB->getOne("select count(*) from pg_proc where proname = 'hstore_to_json'");
-		if (PEAR::isError($iNumFunc))
-		{
-			fail("Cannot query stored procedures.", $iNumFunc);
-		}
-		if ($iNumFunc == 0)
-		{
-			pgsqlRunScript("create function hstore_to_json(dummy hstore) returns text AS 'select null::text' language sql immutable");
-			echo "WARNING: Postgresql is too old. extratags and namedetails API not available.";
-		}
-
-		$fPostgisVersion = getPostgisVersion($oDB);
-		echo 'Postgis version found: '.$fPostgisVersion."\n";
-
-		if ($fPostgisVersion < 2.1)
-		{
-			// Function was renamed in 2.1 and throws an annoying deprecation warning
-			pgsqlRunScript('ALTER FUNCTION st_line_interpolate_point(geometry, double precision) RENAME TO ST_LineInterpolatePoint');
-		}
-
-		pgsqlRunScriptFile(CONST_BasePath.'/data/country_name.sql');
-		pgsqlRunScriptFile(CONST_BasePath.'/data/country_naturalearthdata.sql');
-		pgsqlRunScriptFile(CONST_BasePath.'/data/country_osm_grid.sql');
-		pgsqlRunScriptFile(CONST_BasePath.'/data/gb_postcode_table.sql');
-		if (file_exists(CONST_BasePath.'/data/gb_postcode_data.sql.gz'))
-		{
-			pgsqlRunScriptFile(CONST_BasePath.'/data/gb_postcode_data.sql.gz');
-		}
-		else
-		{
-			echo "WARNING: external UK postcode table not found.\n";
-		}
-		if (CONST_Use_Extra_US_Postcodes)
-		{
-			pgsqlRunScriptFile(CONST_BasePath.'/data/us_postcode.sql');
-		}
-
-		if ($aCMDResult['no-partitions'])
-		{
-			pgsqlRunScript('update country_name set partition = 0');
-		}
-
-		// the following will be needed by create_functions later but
-		// is only defined in the subsequently called create_tables.
-		// Create dummies here that will be overwritten by the proper
-		// versions in create-tables.
-		pgsqlRunScript('CREATE TABLE place_boundingbox ()');
-		pgsqlRunScript('create type wikipedia_article_match as ()');
-	}
-
-	if ($aCMDResult['import-data'] || $aCMDResult['all'])
-	{
-		echo "Import\n";
-		$bDidSomething = true;
-
-		$osm2pgsql = CONST_Osm2pgsql_Binary;
-		if (!file_exists($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'");
-		}
-
-		if (!is_null(CONST_Osm2pgsql_Flatnode_File))
-		{
-			$osm2pgsql .= ' --flat-nodes '.CONST_Osm2pgsql_Flatnode_File;
-		}
-		if (CONST_Tablespace_Osm2pgsql_Data)
-			$osm2pgsql .= ' --tablespace-slim-data '.CONST_Tablespace_Osm2pgsql_Data;
-		if (CONST_Tablespace_Osm2pgsql_Index)
-			$osm2pgsql .= ' --tablespace-slim-index '.CONST_Tablespace_Osm2pgsql_Index;
-		if (CONST_Tablespace_Place_Data)
-			$osm2pgsql .= ' --tablespace-main-data '.CONST_Tablespace_Place_Data;
-		if (CONST_Tablespace_Place_Index)
-			$osm2pgsql .= ' --tablespace-main-index '.CONST_Tablespace_Place_Index;
-		$osm2pgsql .= ' -lsc -O gazetteer --hstore --number-processes 1';
-		$osm2pgsql .= ' -C '.$iCacheMemory;
-		$osm2pgsql .= ' -P '.$aDSNInfo['port'];
-		$osm2pgsql .= ' -d '.$aDSNInfo['database'].' '.$aCMDResult['osm-file'];
-		passthruCheckReturn($osm2pgsql);
-
-		$oDB =& getDB();
-		$x = $oDB->getRow('select * from place limit 1');
-		if (PEAR::isError($x)) {
-			fail($x->getMessage());
-		}
-		if (!$x) fail('No Data');
-	}
-
-	if ($aCMDResult['create-functions'] || $aCMDResult['all'])
-	{
-		echo "Functions\n";
-		$bDidSomething = true;
-		if (!file_exists(CONST_InstallPath.'/module/nominatim.so')) fail("nominatim module not built");
-		$sTemplate = file_get_contents(CONST_BasePath.'/sql/functions.sql');
-		$sTemplate = str_replace('{modulepath}', CONST_InstallPath.'/module', $sTemplate);
-		if ($aCMDResult['enable-diff-updates'])
-		{
-			$sTemplate = str_replace('RETURN NEW; -- %DIFFUPDATES%', '--', $sTemplate);
-		}
-		if ($aCMDResult['enable-debug-statements'])
-		{
-			$sTemplate = str_replace('--DEBUG:', '', $sTemplate);
-		}
-		if (CONST_Limit_Reindexing)
-		{
-			$sTemplate = str_replace('--LIMIT INDEXING:', '', $sTemplate);
-		}
-		if (!CONST_Use_US_Tiger_Data)
-		{
-			$sTemplate = str_replace('-- %NOTIGERDATA% ', '', $sTemplate);
-		}
-		if (!CONST_Use_Aux_Location_data)
-		{
-			$sTemplate = str_replace('-- %NOAUXDATA% ', '', $sTemplate);
-		}
-		pgsqlRunScript($sTemplate);
-	}
-
-	if ($aCMDResult['create-tables'] || $aCMDResult['all'])
-	{
-		$bDidSomething = true;
-
-		echo "Tables\n";
-		$sTemplate = file_get_contents(CONST_BasePath.'/sql/tables.sql');
-		$sTemplate = str_replace('{www-user}', CONST_Database_Web_User, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:address-data}',
-		                                CONST_Tablespace_Address_Data, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:address-index}',
-		                                CONST_Tablespace_Address_Index, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:search-data}',
-		                                CONST_Tablespace_Search_Data, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:search-index}',
-		                                CONST_Tablespace_Search_Index, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:aux-data}',
-		                                CONST_Tablespace_Aux_Data, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:aux-index}',
-		                                CONST_Tablespace_Aux_Index, $sTemplate);
-		pgsqlRunScript($sTemplate, false);
-
-		// re-run the functions
-		echo "Functions\n";
-		$sTemplate = file_get_contents(CONST_BasePath.'/sql/functions.sql');
-		$sTemplate = str_replace('{modulepath}',
-			                     CONST_InstallPath.'/module', $sTemplate);
-		pgsqlRunScript($sTemplate);
-	}
-
-	if ($aCMDResult['create-partition-tables'] || $aCMDResult['all'])
-	{
-		echo "Partition Tables\n";
-		$bDidSomething = true;
-		$oDB =& getDB();
-		$sSQL = 'select distinct partition from country_name';
-		$aPartitions = $oDB->getCol($sSQL);
-		if (PEAR::isError($aPartitions))
-		{
-			fail($aPartitions->getMessage());
-		}
-		if (!$aCMDResult['no-partitions']) $aPartitions[] = 0;
-
-		$sTemplate = file_get_contents(CONST_BasePath.'/sql/partition-tables.src.sql');
-		$sTemplate = replace_tablespace('{ts:address-data}',
-		                                CONST_Tablespace_Address_Data, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:address-index}',
-		                                CONST_Tablespace_Address_Index, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:search-data}',
-		                                CONST_Tablespace_Search_Data, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:search-index}',
-		                                CONST_Tablespace_Search_Index, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:aux-data}',
-		                                CONST_Tablespace_Aux_Data, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:aux-index}',
-		                                CONST_Tablespace_Aux_Index, $sTemplate);
-		preg_match_all('#^-- start(.*?)^-- end#ms', $sTemplate, $aMatches, PREG_SET_ORDER);
-		foreach($aMatches as $aMatch)
-		{
-			$sResult = '';
-			foreach($aPartitions as $sPartitionName)
-			{
-				$sResult .= str_replace('-partition-', $sPartitionName, $aMatch[1]);
-			}
-			$sTemplate = str_replace($aMatch[0], $sResult, $sTemplate);
-		}
-
-		pgsqlRunScript($sTemplate);
-	}
-
-
-	if ($aCMDResult['create-partition-functions'] || $aCMDResult['all'])
-	{
-		echo "Partition Functions\n";
-		$bDidSomething = true;
-		$oDB =& getDB();
-		$sSQL = 'select distinct partition from country_name';
-		$aPartitions = $oDB->getCol($sSQL);
-		if (PEAR::isError($aPartitions))
-		{
-			fail($aPartitions->getMessage());
-		}
-		if (!$aCMDResult['no-partitions']) $aPartitions[] = 0;
-
-		$sTemplate = file_get_contents(CONST_BasePath.'/sql/partition-functions.src.sql');
-		preg_match_all('#^-- start(.*?)^-- end#ms', $sTemplate, $aMatches, PREG_SET_ORDER);
-		foreach($aMatches as $aMatch)
-		{
-			$sResult = '';
-			foreach($aPartitions as $sPartitionName)
-			{
-				$sResult .= str_replace('-partition-', $sPartitionName, $aMatch[1]);
-			}
-			$sTemplate = str_replace($aMatch[0], $sResult, $sTemplate);
-		}
-
-		pgsqlRunScript($sTemplate);
-	}
-
-	if ($aCMDResult['import-wikipedia-articles'] || $aCMDResult['all'])
-	{
-		$bDidSomething = true;
-		$sWikiArticlesFile = CONST_BasePath.'/data/wikipedia_article.sql.bin';
-		$sWikiRedirectsFile = CONST_BasePath.'/data/wikipedia_redirect.sql.bin';
-		if (file_exists($sWikiArticlesFile))
-		{
-			echo "Importing wikipedia articles...";
-			pgsqlRunDropAndRestore($sWikiArticlesFile);
-			echo "...done\n";
-		}
-		else
-		{
-			echo "WARNING: wikipedia article dump file not found - places will have default importance\n";
-		}
-		if (file_exists($sWikiRedirectsFile))
-		{
-			echo "Importing wikipedia redirects...";
-			pgsqlRunDropAndRestore($sWikiRedirectsFile);
-			echo "...done\n";
-		}
-		else
-		{
-			echo "WARNING: wikipedia redirect dump file not found - some place importance values may be missing\n";
-		}
-	}
-
-
-	if ($aCMDResult['load-data'] || $aCMDResult['all'])
-	{
-		echo "Drop old Data\n";
-		$bDidSomething = true;
-
-		$oDB =& getDB();
-		if (!pg_query($oDB->connection, 'TRUNCATE word')) fail(pg_last_error($oDB->connection));
-		echo '.';
-		if (!pg_query($oDB->connection, 'TRUNCATE placex')) fail(pg_last_error($oDB->connection));
-		echo '.';
-		if (!pg_query($oDB->connection, 'TRUNCATE place_addressline')) fail(pg_last_error($oDB->connection));
-		echo '.';
-		if (!pg_query($oDB->connection, 'TRUNCATE place_boundingbox')) fail(pg_last_error($oDB->connection));
-		echo '.';
-		if (!pg_query($oDB->connection, 'TRUNCATE location_area')) fail(pg_last_error($oDB->connection));
-		echo '.';
-		if (!pg_query($oDB->connection, 'TRUNCATE search_name')) fail(pg_last_error($oDB->connection));
-		echo '.';
-		if (!pg_query($oDB->connection, 'TRUNCATE search_name_blank')) fail(pg_last_error($oDB->connection));
-		echo '.';
-		if (!pg_query($oDB->connection, 'DROP SEQUENCE seq_place')) fail(pg_last_error($oDB->connection));
-		echo '.';
-		if (!pg_query($oDB->connection, 'CREATE SEQUENCE seq_place start 100000')) fail(pg_last_error($oDB->connection));
-		echo '.';
-
-		$sSQL = 'select distinct partition from country_name';
-		$aPartitions = $oDB->getCol($sSQL);
-		if (PEAR::isError($aPartitions))
-		{
-			fail($aPartitions->getMessage());
-		}
-		if (!$aCMDResult['no-partitions']) $aPartitions[] = 0;
-		foreach($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($oDB->connection));
-		echo ".\n";
-
-		// pre-create the word list
-		if (!$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++)
-		{
-			$aDBInstances[$i] =& getDB(true);
-			$sSQL = 'insert into placex (osm_type, osm_id, class, type, name, admin_level, ';
-			$sSQL .= 'housenumber, street, addr_place, isin, postcode, country_code, extratags, ';
-			$sSQL .= 'geometry) select * from place where osm_id % '.$iInstances.' = '.$i;
-			if ($aCMDResult['verbose']) echo "$sSQL\n";
-			if (!pg_send_query($aDBInstances[$i]->connection, $sSQL)) fail(pg_last_error($oDB->connection));
-		}
-		$bAnyBusy = true;
-		while($bAnyBusy)
-		{
-			$bAnyBusy = false;
-			for($i = 0; $i < $iInstances; $i++)
-			{
-				if (pg_connection_busy($aDBInstances[$i]->connection)) $bAnyBusy = true;
-			}
-			sleep(1);
-			echo '.';
-		}
-		echo "\n";
-		echo "Reanalysing database...\n";
-		pgsqlRunScript('ANALYSE');
-	}
-
-	if ($aCMDResult['import-tiger-data'])
-	{
-		$bDidSomething = true;
-
-		$sTemplate = file_get_contents(CONST_BasePath.'/sql/tiger_import_start.sql');
-		$sTemplate = str_replace('{www-user}', CONST_Database_Web_User, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:aux-data}',
-		                                CONST_Tablespace_Aux_Data, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:aux-index}',
-		                                CONST_Tablespace_Aux_Index, $sTemplate);
-		pgsqlRunScript($sTemplate, false);
-
-		$aDBInstances = array();
-		for($i = 0; $i < $iInstances; $i++)
-		{
-			$aDBInstances[$i] =& getDB(true);
-		}
-
-		foreach(glob(CONST_Tiger_Data_Path.'/*.sql') as $sFile)
-		{
-			echo $sFile.': ';
-			$hFile = fopen($sFile, "r");
-			$sSQL = fgets($hFile, 100000);
-			$iLines = 0;
-
-			while(true)
-			{
-				for($i = 0; $i < $iInstances; $i++)
-				{
-					if (!pg_connection_busy($aDBInstances[$i]->connection))
-					{
-						while(pg_get_result($aDBInstances[$i]->connection));
-						$sSQL = fgets($hFile, 100000);
-						if (!$sSQL) break 2;
-						if (!pg_send_query($aDBInstances[$i]->connection, $sSQL)) fail(pg_last_error($oDB->connection));
-						$iLines++;
-						if ($iLines == 1000)
-						{
-							echo ".";
-							$iLines = 0;
-						}
-					}
-				}
-				usleep(10);
-			}
-
-			fclose($hFile);
-
-			$bAnyBusy = true;
-			while($bAnyBusy)
-			{
-				$bAnyBusy = false;
-				for($i = 0; $i < $iInstances; $i++)
-				{
-					if (pg_connection_busy($aDBInstances[$i]->connection)) $bAnyBusy = true;
-				}
-				usleep(10);
-			}
-			echo "\n";
-		}
-
-		echo "Creating indexes\n";
-		$sTemplate = file_get_contents(CONST_BasePath.'/sql/tiger_import_finish.sql');
-		$sTemplate = str_replace('{www-user}', CONST_Database_Web_User, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:aux-data}',
-		                                CONST_Tablespace_Aux_Data, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:aux-index}',
-		                                CONST_Tablespace_Aux_Index, $sTemplate);
-		pgsqlRunScript($sTemplate, false);
-	}
-
-	if ($aCMDResult['calculate-postcodes'] || $aCMDResult['all'])
-	{
-		$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,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 ";
-		$sSQL .= "from placex where postcode is not null group by calculated_country_code,postcode) as x";
-		if (!pg_query($oDB->connection, $sSQL)) fail(pg_last_error($oDB->connection));
-
-		if (CONST_Use_Extra_US_Postcodes)
-		{
-			$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'] && !$aCMDResult['drop'])) // no use doing osmosis-init when dropping update tables
-	{
-		$bDidSomething = true;
-		$oDB =& getDB();
-
-		if (!file_exists(CONST_Osmosis_Binary))
-		{
-			echo "Please download osmosis.\nIf it is already installed, check the path in your local settings (settings/local.php) file.\n";
-			if (!$aCMDResult['all'])
-			{
-				fail("osmosis not found in '".CONST_Osmosis_Binary."'");
-			}
-		}
-		else
-		{
-			if (file_exists(CONST_InstallPath.'/settings/configuration.txt'))
-			{
-				echo "settings/configuration.txt already exists\n";
-			}
-			else
-			{
-				passthru(CONST_Osmosis_Binary.' --read-replication-interval-init '.CONST_InstallPath.'/settings');
-				// update osmosis configuration.txt with our settings
-				passthru("sed -i 's!baseUrl=.*!baseUrl=".CONST_Replication_Url."!' ".CONST_InstallPath.'/settings/configuration.txt');
-				passthru("sed -i 's:maxInterval = .*:maxInterval = ".CONST_Replication_MaxInterval.":' ".CONST_InstallPath.'/settings/configuration.txt');
-			}
-
-			// Find the last node in the DB
-			$iLastOSMID = $oDB->getOne("select max(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."/1";
-			$sLastNodeXML = file_get_contents($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 so need to sort by date descending
-			$sRepURL = CONST_Replication_Url."/";
-			$sRep = file_get_contents($sRepURL."?C=M;O=D;F=1");
-			// download.geofabrik.de:    <a href="000/">000/</a></td><td align="right">26-Feb-2013 11:53  </td>
-			// planet.openstreetmap.org: <a href="273/">273/</a>                    2013-03-11 07:41    -
-			preg_match_all('#<a href="[0-9]{3}/">([0-9]{3}/)</a>\s*([-0-9a-zA-Z]+ [0-9]{2}:[0-9]{2})#', $sRep, $aRepMatches, PREG_SET_ORDER);
-			if ($aRepMatches)
-			{
-				$aPrevRepMatch = false;
-				foreach($aRepMatches as $aRepMatch)
-				{
-					if (strtotime($aRepMatch[2]) < $iLastNodeTimestamp) break;
-					$aPrevRepMatch = $aRepMatch;
-				}
-				if ($aPrevRepMatch) $aRepMatch = $aPrevRepMatch;
-
-				$sRepURL .= $aRepMatch[1];
-				$sRep = file_get_contents($sRepURL."?C=M;O=D;F=1");
-				preg_match_all('#<a href="[0-9]{3}/">([0-9]{3}/)</a>\s*([-0-9a-zA-Z]+ [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."?C=M;O=D;F=1");
-				preg_match_all('#<a href="[0-9]{3}.state.txt">([0-9]{3}).state.txt</a>\s*([-0-9a-zA-Z]+ [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_InstallPath.'/settings/state.txt', $sStateFile);
-				echo "Updating DB status\n";
-				pg_query($oDB->connection, 'TRUNCATE import_status');
-				$sSQL = "INSERT INTO import_status VALUES('".$aRepMatch[2]."')";
-				pg_query($oDB->connection, $sSQL);
-			}
-			else
-			{
-				if (!$aCMDResult['all'])
-				{
-					fail("Cannot read state file directory.");
-				}
-			}
-		}
-	}
-
-	if ($aCMDResult['index'] || $aCMDResult['all'])
-	{
-		$bDidSomething = true;
-		$sOutputFile = '';
-		$sBaseCmd = CONST_InstallPath.'/nominatim/nominatim -i -d '.$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'])
-	{
-		echo "Search indices\n";
-		$bDidSomething = true;
-		$oDB =& getDB();
-		$sSQL = 'select distinct partition from country_name';
-		$aPartitions = $oDB->getCol($sSQL);
-		if (PEAR::isError($aPartitions))
-		{
-			fail($aPartitions->getMessage());
-		}
-		if (!$aCMDResult['no-partitions']) $aPartitions[] = 0;
-
-		$sTemplate = file_get_contents(CONST_BasePath.'/sql/indices.src.sql');
-		$sTemplate = replace_tablespace('{ts:address-index}',
-		                                CONST_Tablespace_Address_Index, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:search-index}',
-		                                CONST_Tablespace_Search_Index, $sTemplate);
-		$sTemplate = replace_tablespace('{ts:aux-index}',
-		                                CONST_Tablespace_Aux_Index, $sTemplate);
-		preg_match_all('#^-- start(.*?)^-- end#ms', $sTemplate, $aMatches, PREG_SET_ORDER);
-		foreach($aMatches as $aMatch)
-		{
-			$sResult = '';
-			foreach($aPartitions as $sPartitionName)
-			{
-				$sResult .= str_replace('-partition-', $sPartitionName, $aMatch[1]);
-			}
-			$sTemplate = str_replace($aMatch[0], $sResult, $sTemplate);
-		}
-
-		pgsqlRunScript($sTemplate);
-	}
-
-	if (isset($aCMDResult['create-website']))
-	{
-		$bDidSomething = true;
-		$sTargetDir = $aCMDResult['create-website'];
-		if (!is_dir($sTargetDir))
-		{
-			echo "You must create the website directory before calling this function.\n";
-			fail("Target directory does not exist.");
-		}
-
-		@symlink(CONST_InstallPath.'/website/details.php', $sTargetDir.'/details.php');
-		@symlink(CONST_InstallPath.'/website/reverse.php', $sTargetDir.'/reverse.php');
-		@symlink(CONST_InstallPath.'/website/search.php', $sTargetDir.'/search.php');
-		@symlink(CONST_InstallPath.'/website/search.php', $sTargetDir.'/index.php');
-		@symlink(CONST_InstallPath.'/website/lookup.php', $sTargetDir.'/lookup.php');
-		@symlink(CONST_InstallPath.'/website/deletable.php', $sTargetDir.'/deletable.php');
-		@symlink(CONST_InstallPath.'/website/polygons.php', $sTargetDir.'/polygons.php');
-		@symlink(CONST_InstallPath.'/website/status.php', $sTargetDir.'/status.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";
-
-		$sTestFile = @file_get_contents(CONST_Website_BaseURL.'js/tiles.js');
-		if (!$sTestFile)
-		{
-			echo "\nWARNING: Unable to access the website at ".CONST_Website_BaseURL."\n";
-			echo "You may want to update settings/local.php with @define('CONST_Website_BaseURL', 'http://[HOST]/[PATH]/');\n";
-		}
-	}
-
-	if ($aCMDResult['drop'])
-	{
-		// The implementation is potentially a bit dangerous because it uses
-		// a positive selection of tables to keep, and deletes everything else.
-		// Including any tables that the unsuspecting user might have manually
-		// created. USE AT YOUR OWN PERIL.
-		$bDidSomething = true;
-
-		// tables we want to keep. everything else goes.
-		$aKeepTables = array(
-		   "*columns",
-		   "import_polygon_*",
-		   "import_status",
-		   "place_addressline",
-		   "location_property*",
-		   "placex",
-		   "search_name",
-		   "seq_*",
-		   "word",
-		   "query_log",
-		   "new_query_log",
-		   "gb_postcode",
-		   "spatial_ref_sys",
-		   "country_name",
-		   "place_classtype_*"
-		);
-
-		$oDB =& getDB();
-		$aDropTables = array();
-		$aHaveTables = $oDB->getCol("SELECT tablename FROM pg_tables WHERE schemaname='public'");
-		if (PEAR::isError($aHaveTables))
-		{
-			fail($aPartitions->getMessage());
-		}
-		foreach($aHaveTables as $sTable)
-		{
-			$bFound = false;
-			foreach ($aKeepTables as $sKeep)
-			{
-				if (fnmatch($sKeep, $sTable))
-				{
-					$bFound = true;
-					break;
-				}
-			}
-			if (!$bFound) array_push($aDropTables, $sTable);
-		}
-
-		foreach ($aDropTables as $sDrop)
-		{
-			if ($aCMDResult['verbose']) echo "dropping table $sDrop\n";
-			@pg_query($oDB->connection, "DROP TABLE $sDrop CASCADE");
-			// ignore warnings/errors as they might be caused by a table having
-			// been deleted already by CASCADE
-		}
-
-		if (!is_null(CONST_Osm2pgsql_Flatnode_File))
-		{
-			if ($aCMDResult['verbose']) echo "deleting ".CONST_Osm2pgsql_Flatnode_File."\n";
-			unlink(CONST_Osm2pgsql_Flatnode_File);
-		}
-	}
-
-	if (!$bDidSomething)
-	{
-		showUsage($aCMDOptions, true);
-	}
-	else
-	{
-		echo "Setup finished.\n";
-	}
-
-	function pgsqlRunScriptFile($sFilename)
-	{
-		if (!file_exists($sFilename)) fail('unable to find '.$sFilename);
-
-		// 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'];
-
-		$ahGzipPipes = null;
-		if (preg_match('/\\.gz$/', $sFilename))
-		{
-			$aDescriptors = array(
-				0 => array('pipe', 'r'),
-				1 => array('pipe', 'w'),
-				2 => array('file', '/dev/null', 'a')
-			);
-			$hGzipProcess = proc_open('zcat '.$sFilename, $aDescriptors, $ahGzipPipes);
-			if (!is_resource($hGzipProcess)) fail('unable to start zcat');
-			$aReadPipe = $ahGzipPipes[1];
-			fclose($ahGzipPipes[0]);
-		}
-		else
-		{
-			$sCMD .= ' -f '.$sFilename;
-			$aReadPipe = array('pipe', 'r');
-		}
-
-		$aDescriptors = array(
-			0 => $aReadPipe,
-			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 pgsql');
-
-
-		// TODO: error checking
-		while(!feof($ahPipes[1]))
-		{
-			echo fread($ahPipes[1], 4096);
-		}
-		fclose($ahPipes[1]);
-
-		$iReturn = proc_close($hProcess);
-		if ($iReturn > 0)
-		{
-			fail("pgsql returned with error code ($iReturn)");
-		}
-		if ($ahGzipPipes)
-		{
-			fclose($ahGzipPipes[1]);
-			proc_close($hGzipProcess);
-		}
-
-	}
-
-	function pgsqlRunScript($sScript, $bfatal = true)
-	{
-		global $aCMDResult;
-		// 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 '.$aDSNInfo['database'];
-		if ($bfatal && !$aCMDResult['ignore-errors'])
-			$sCMD .= ' -v ON_ERROR_STOP=1';
-		$aDescriptors = array(
-			0 => array('pipe', 'r'),
-			1 => STDOUT, 
-			2 => STDERR
-		);
-		$ahPipes = null;
-		$hProcess = @proc_open($sCMD, $aDescriptors, $ahPipes);
-		if (!is_resource($hProcess)) fail('unable to start pgsql');
-
-		while(strlen($sScript))
-		{
-			$written = fwrite($ahPipes[0], $sScript);
-			if ($written <= 0) break;
-			$sScript = substr($sScript, $written);
-		}
-		fclose($ahPipes[0]);
-		$iReturn = proc_close($hProcess);
-		if ($bfatal && $iReturn > 0)
-		{
-			fail("pgsql returned with error code ($iReturn)");
-		}
-	}
-
-	function pgsqlRunRestoreData($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 '.$aDSNInfo['database'].' -Fc -a '.$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]);
-
-		$iReturn = proc_close($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]);
-
-		$iReturn = proc_close($hProcess);
-	}
-
-	function passthruCheckReturn($cmd)
-	{
-		$result = -1;
-		passthru($cmd, $result);
-		if ($result != 0) fail('Error executing external command: '.$cmd);
-	}
-
-	function replace_tablespace($sTemplate, $sTablespace, $sSql)
-	{
-		if ($sTablespace)
-			$sSql = str_replace($sTemplate, 'TABLESPACE "'.$sTablespace.'"',
-			                    $sSql);
-		else
-			$sSql = str_replace($sTemplate, '', $sSql);
-
-		return $sSql;
-	}
-
+require_once(dirname(dirname(__FILE__)).'/settings/settings.php');
+require_once(CONST_BasePath.'/lib/init-cmd.php');
+ini_set('memory_limit', '800M');
+
+$aCMDOptions
+= array(
+   "Create and setup nominatim search system",
+   array('help', 'h', 0, 1, 0, 0, false, 'Show Help'),
+   array('quiet', 'q', 0, 1, 0, 0, 'bool', 'Quiet output'),
+   array('verbose', 'v', 0, 1, 0, 0, 'bool', 'Verbose output'),
+
+   array('osm-file', '', 0, 1, 1, 1, 'realpath', 'File to import'),
+   array('threads', '', 0, 1, 1, 1, 'int', 'Number of threads (where possible)'),
+
+   array('all', '', 0, 1, 0, 0, 'bool', 'Do the complete process'),
+
+   array('create-db', '', 0, 1, 0, 0, 'bool', 'Create nominatim db'),
+   array('setup-db', '', 0, 1, 0, 0, 'bool', 'Build a blank nominatim db'),
+   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('ignore-errors', '', 0, 1, 0, 0, 'bool', 'Continue import even when errors in SQL are present (EXPERT)'),
+   array('create-tables', '', 0, 1, 0, 0, 'bool', 'Create main tables'),
+   array('create-partition-tables', '', 0, 1, 0, 0, 'bool', 'Create required partition tables'),
+   array('create-partition-functions', '', 0, 1, 0, 0, 'bool', 'Create required partition triggers'),
+   array('no-partitions', '', 0, 1, 0, 0, 'bool', "Do not partition search indices (speeds up import of single country extracts)"),
+   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('osmosis-init', '', 0, 1, 0, 0, 'bool', '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('create-search-indices', '', 0, 1, 0, 0, 'bool', 'Create additional indices required for search and update'),
+   array('create-country-names', '', 0, 1, 0, 0, 'bool', 'Create default list of searchable country names'),
+   array('drop', '', 0, 1, 0, 0, 'bool', 'Drop tables needed for updates, making the database readonly (EXPERIMENTAL)'),
+  );
+getCmdOpt($_SERVER['argv'], $aCMDOptions, $aCMDResult, true, true);
+
+$bDidSomething = false;
+
+// 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) {
+    $iInstances = 1;
+    echo "WARNING: resetting threads to $iInstances\n";
+}
+if ($iInstances > getProcessorCount()) {
+    $iInstances = getProcessorCount();
+    echo "WARNING: resetting threads to $iInstances\n";
+}
+
+// Assume we can steal all the cache memory in the box (unless told otherwise)
+if (isset($aCMDResult['osm2pgsql-cache'])) {
+    $iCacheMemory = $aCMDResult['osm2pgsql-cache'];
+} else {
+    $iCacheMemory = getCacheMemoryMB();
+}
+
+$aDSNInfo = DB::parseDSN(CONST_Database_DSN);
+if (!isset($aDSNInfo['port']) || !$aDSNInfo['port']) $aDSNInfo['port'] = 5432;
+
+if ($aCMDResult['create-db'] || $aCMDResult['all']) {
+    echo "Create DB\n";
+    $bDidSomething = true;
+    $oDB = DB::connect(CONST_Database_DSN, false);
+    if (!PEAR::isError($oDB)) {
+        fail('database already exists ('.CONST_Database_DSN.')');
+    }
+    passthruCheckReturn('createdb -E UTF-8 -p '.$aDSNInfo['port'].' '.$aDSNInfo['database']);
+}
+
+if ($aCMDResult['setup-db'] || $aCMDResult['all']) {
+    echo "Setup DB\n";
+    $bDidSomething = true;
+
+    // TODO: path detection, detection memory, etc.
+    //
+    $oDB =& getDB();
+
+    $fPostgresVersion = getPostgresVersion($oDB);
+    echo 'Postgres version found: '.$fPostgresVersion."\n";
+
+    if ($fPostgresVersion < 9.1) {
+        fail("Minimum supported version of Postgresql is 9.1.");
+    }
+
+    pgsqlRunScript('CREATE EXTENSION IF NOT EXISTS hstore');
+    pgsqlRunScript('CREATE EXTENSION IF NOT EXISTS postgis');
+
+    // For extratags and namedetails the hstore_to_json converter is
+    // needed which is only available from Postgresql 9.3+. For older
+    // versions add a dummy function that returns nothing.
+    $iNumFunc = chksql($oDB->getOne("select count(*) from pg_proc where proname = 'hstore_to_json'"));
+
+    if ($iNumFunc == 0) {
+        pgsqlRunScript("create function hstore_to_json(dummy hstore) returns text AS 'select null::text' language sql immutable");
+        echo "WARNING: Postgresql is too old. extratags and namedetails API not available.";
+    }
+
+    $fPostgisVersion = getPostgisVersion($oDB);
+    echo 'Postgis version found: '.$fPostgisVersion."\n";
+
+    if ($fPostgisVersion < 2.1) {
+        // Functions were renamed in 2.1 and throw an annoying deprecation warning
+        pgsqlRunScript('ALTER FUNCTION st_line_interpolate_point(geometry, double precision) RENAME TO ST_LineInterpolatePoint');
+        pgsqlRunScript('ALTER FUNCTION ST_Line_Locate_Point(geometry, geometry) RENAME TO ST_LineLocatePoint');
+    }
+    if ($fPostgisVersion < 2.2) {
+        pgsqlRunScript('ALTER FUNCTION ST_Distance_Spheroid(geometry, geometry, spheroid) RENAME TO ST_DistanceSpheroid');
+    }
+
+    if (!file_exists(CONST_ExtraDataPath.'/country_osm_grid.sql.gz')) {
+        echo "Error: you need to download the country_osm_grid first:";
+        echo "\n    wget -O ".CONST_ExtraDataPath."/country_osm_grid.sql.gz http://www.nominatim.org/data/country_grid.sql.gz\n";
+        exit(1);
+    }
+
+    pgsqlRunScriptFile(CONST_BasePath.'/data/country_name.sql');
+    pgsqlRunScriptFile(CONST_BasePath.'/data/country_naturalearthdata.sql');
+    pgsqlRunScriptFile(CONST_BasePath.'/data/country_osm_grid.sql.gz');
+    pgsqlRunScriptFile(CONST_BasePath.'/data/gb_postcode_table.sql');
+    if (file_exists(CONST_BasePath.'/data/gb_postcode_data.sql.gz')) {
+        pgsqlRunScriptFile(CONST_BasePath.'/data/gb_postcode_data.sql.gz');
+    } else {
+        echo "WARNING: external UK postcode table not found.\n";
+    }
+    if (CONST_Use_Extra_US_Postcodes) {
+        pgsqlRunScriptFile(CONST_BasePath.'/data/us_postcode.sql');
+    }
+
+    if ($aCMDResult['no-partitions']) {
+        pgsqlRunScript('update country_name set partition = 0');
+    }
+
+    // the following will be needed by create_functions later but
+    // is only defined in the subsequently called create_tables.
+    // Create dummies here that will be overwritten by the proper
+    // versions in create-tables.
+    pgsqlRunScript('CREATE TABLE place_boundingbox ()');
+    pgsqlRunScript('create type wikipedia_article_match as ()');
+}
+
+if ($aCMDResult['import-data'] || $aCMDResult['all']) {
+    echo "Import\n";
+    $bDidSomething = true;
+
+    $osm2pgsql = CONST_Osm2pgsql_Binary;
+    if (!file_exists($osm2pgsql)) {
+        echo "Check CONST_Osm2pgsql_Binary in your local settings file.\n";
+        echo "Normally you should not need to set this manually.\n";
+        fail("osm2pgsql not found in '$osm2pgsql'");
+    }
+
+    if (!is_null(CONST_Osm2pgsql_Flatnode_File)) {
+        $osm2pgsql .= ' --flat-nodes '.CONST_Osm2pgsql_Flatnode_File;
+    }
+    if (CONST_Tablespace_Osm2pgsql_Data)
+        $osm2pgsql .= ' --tablespace-slim-data '.CONST_Tablespace_Osm2pgsql_Data;
+    if (CONST_Tablespace_Osm2pgsql_Index)
+        $osm2pgsql .= ' --tablespace-slim-index '.CONST_Tablespace_Osm2pgsql_Index;
+    if (CONST_Tablespace_Place_Data)
+        $osm2pgsql .= ' --tablespace-main-data '.CONST_Tablespace_Place_Data;
+    if (CONST_Tablespace_Place_Index)
+        $osm2pgsql .= ' --tablespace-main-index '.CONST_Tablespace_Place_Index;
+    $osm2pgsql .= ' -lsc -O gazetteer --hstore --number-processes 1';
+    $osm2pgsql .= ' -C '.$iCacheMemory;
+    $osm2pgsql .= ' -P '.$aDSNInfo['port'];
+    $osm2pgsql .= ' -d '.$aDSNInfo['database'].' '.$aCMDResult['osm-file'];
+    passthruCheckReturn($osm2pgsql);
+
+    $oDB =& getDB();
+    if (!$aCMDResult['ignore-errors'] && !chksql($oDB->getRow('select * from place limit 1'))) {
+        fail('No Data');
+    }
+}
+
+if ($aCMDResult['create-functions'] || $aCMDResult['all']) {
+    echo "Functions\n";
+    $bDidSomething = true;
+    if (!file_exists(CONST_InstallPath.'/module/nominatim.so')) fail("nominatim module not built");
+    create_sql_functions($aCMDResult);
+}
+
+if ($aCMDResult['create-tables'] || $aCMDResult['all']) {
+    $bDidSomething = true;
+
+    echo "Tables\n";
+    $sTemplate = file_get_contents(CONST_BasePath.'/sql/tables.sql');
+    $sTemplate = str_replace('{www-user}', CONST_Database_Web_User, $sTemplate);
+    $sTemplate = replace_tablespace(
+        '{ts:address-data}',
+        CONST_Tablespace_Address_Data,
+        $sTemplate
+    );
+    $sTemplate = replace_tablespace(
+        '{ts:address-index}',
+        CONST_Tablespace_Address_Index,
+        $sTemplate
+    );
+    $sTemplate = replace_tablespace(
+        '{ts:search-data}',
+        CONST_Tablespace_Search_Data,
+        $sTemplate
+    );
+    $sTemplate = replace_tablespace(
+        '{ts:search-index}',
+        CONST_Tablespace_Search_Index,
+        $sTemplate
+    );
+    $sTemplate = replace_tablespace(
+        '{ts:aux-data}',
+        CONST_Tablespace_Aux_Data,
+        $sTemplate
+    );
+    $sTemplate = replace_tablespace(
+        '{ts:aux-index}',
+        CONST_Tablespace_Aux_Index,
+        $sTemplate
+    );
+    pgsqlRunScript($sTemplate, false);
+
+    // re-run the functions
+    echo "Functions\n";
+    create_sql_functions($aCMDResult);
+}
+
+if ($aCMDResult['create-partition-tables'] || $aCMDResult['all']) {
+    echo "Partition Tables\n";
+    $bDidSomething = true;
+
+    $sTemplate = file_get_contents(CONST_BasePath.'/sql/partition-tables.src.sql');
+    $sTemplate = replace_tablespace(
+        '{ts:address-data}',
+        CONST_Tablespace_Address_Data,
+        $sTemplate
+    );
+    $sTemplate = replace_tablespace(
+        '{ts:address-index}',
+        CONST_Tablespace_Address_Index,
+        $sTemplate
+    );
+    $sTemplate = replace_tablespace(
+        '{ts:search-data}',
+        CONST_Tablespace_Search_Data,
+        $sTemplate
+    );
+    $sTemplate = replace_tablespace(
+        '{ts:search-index}',
+        CONST_Tablespace_Search_Index,
+        $sTemplate
+    );
+    $sTemplate = replace_tablespace(
+        '{ts:aux-data}',
+        CONST_Tablespace_Aux_Data,
+        $sTemplate
+    );
+    $sTemplate = replace_tablespace(
+        '{ts:aux-index}',
+        CONST_Tablespace_Aux_Index,
+        $sTemplate
+    );
+
+    pgsqlRunPartitionScript($sTemplate);
+}
+
+
+if ($aCMDResult['create-partition-functions'] || $aCMDResult['all']) {
+    echo "Partition Functions\n";
+    $bDidSomething = true;
+
+    $sTemplate = file_get_contents(CONST_BasePath.'/sql/partition-functions.src.sql');
+
+    pgsqlRunPartitionScript($sTemplate);
+}
+
+if ($aCMDResult['import-wikipedia-articles'] || $aCMDResult['all']) {
+    $bDidSomething = true;
+    $sWikiArticlesFile = CONST_Wikipedia_Data_Path.'/wikipedia_article.sql.bin';
+    $sWikiRedirectsFile = CONST_Wikipedia_Data_Path.'/wikipedia_redirect.sql.bin';
+    if (file_exists($sWikiArticlesFile)) {
+        echo "Importing wikipedia articles...";
+        pgsqlRunDropAndRestore($sWikiArticlesFile);
+        echo "...done\n";
+    } else {
+        echo "WARNING: wikipedia article dump file not found - places will have default importance\n";
+    }
+    if (file_exists($sWikiRedirectsFile)) {
+        echo "Importing wikipedia redirects...";
+        pgsqlRunDropAndRestore($sWikiRedirectsFile);
+        echo "...done\n";
+    } else {
+        echo "WARNING: wikipedia redirect dump file not found - some place importance values may be missing\n";
+    }
+}
+
+
+if ($aCMDResult['load-data'] || $aCMDResult['all']) {
+    echo "Drop old Data\n";
+    $bDidSomething = true;
+
+    $oDB =& getDB();
+    if (!pg_query($oDB->connection, 'TRUNCATE word')) fail(pg_last_error($oDB->connection));
+    echo '.';
+    if (!pg_query($oDB->connection, 'TRUNCATE placex')) fail(pg_last_error($oDB->connection));
+    echo '.';
+    if (!pg_query($oDB->connection, 'TRUNCATE location_property_osmline')) fail(pg_last_error($oDB->connection));
+    echo '.';
+    if (!pg_query($oDB->connection, 'TRUNCATE place_addressline')) fail(pg_last_error($oDB->connection));
+    echo '.';
+    if (!pg_query($oDB->connection, 'TRUNCATE place_boundingbox')) fail(pg_last_error($oDB->connection));
+    echo '.';
+    if (!pg_query($oDB->connection, 'TRUNCATE location_area')) fail(pg_last_error($oDB->connection));
+    echo '.';
+    if (!pg_query($oDB->connection, 'TRUNCATE search_name')) fail(pg_last_error($oDB->connection));
+    echo '.';
+    if (!pg_query($oDB->connection, 'TRUNCATE search_name_blank')) fail(pg_last_error($oDB->connection));
+    echo '.';
+    if (!pg_query($oDB->connection, 'DROP SEQUENCE seq_place')) fail(pg_last_error($oDB->connection));
+    echo '.';
+    if (!pg_query($oDB->connection, 'CREATE SEQUENCE seq_place start 100000')) fail(pg_last_error($oDB->connection));
+    echo '.';
+
+    $sSQL = 'select distinct partition from country_name';
+    $aPartitions = chksql($oDB->getCol($sSQL));
+    if (!$aCMDResult['no-partitions']) $aPartitions[] = 0;
+    foreach ($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
+    $sSQL = 'CREATE OR REPLACE FUNCTION get_maxwordfreq() RETURNS integer AS ';
+    $sSQL .= '$$ SELECT '.CONST_Max_Word_Frequency.' as maxwordfreq; $$ LANGUAGE SQL IMMUTABLE';
+    if (!pg_query($oDB->connection, $sSQL)) {
+        fail(pg_last_error($oDB->connection));
+    }
+    echo ".\n";
+
+    // pre-create the word list
+    if (!$aCMDResult['disable-token-precalc']) {
+        echo "Loading word list\n";
+        pgsqlRunScriptFile(CONST_BasePath.'/data/words.sql');
+    }
+
+    echo "Load Data\n";
+    $sColumns = 'osm_type, osm_id, class, type, name, admin_level, address, extratags, geometry';
+
+    $aDBInstances = array();
+    $iLoadThreads = max(1, $iInstances - 1);
+    for ($i = 0; $i < $iLoadThreads; $i++) {
+        $aDBInstances[$i] =& getDB(true);
+        $sSQL = "INSERT INTO placex ($sColumns) SELECT $sColumns FROM place WHERE osm_id % $iLoadThreads = $i";
+        $sSQL .= " and not (class='place' and type='houses' and osm_type='W'";
+        $sSQL .= "          and ST_GeometryType(geometry) = 'ST_LineString')";
+        $sSQL .= " and ST_IsValid(geometry)";
+        if ($aCMDResult['verbose']) echo "$sSQL\n";
+        if (!pg_send_query($aDBInstances[$i]->connection, $sSQL)) {
+            fail(pg_last_error($aDBInstances[$i]->connection));
+        }
+    }
+    // last thread for interpolation lines
+    $aDBInstances[$iLoadThreads] =& getDB(true);
+    $sSQL = 'insert into location_property_osmline';
+    $sSQL .= ' (osm_id, address, linegeo)';
+    $sSQL .= ' SELECT osm_id, address, geometry from place where ';
+    $sSQL .= "class='place' and type='houses' and osm_type='W' and ST_GeometryType(geometry) = 'ST_LineString'";
+    if ($aCMDResult['verbose']) echo "$sSQL\n";
+    if (!pg_send_query($aDBInstances[$iLoadThreads]->connection, $sSQL)) {
+        fail(pg_last_error($aDBInstances[$iLoadThreads]->connection));
+    }
+
+    $bAnyBusy = true;
+    while ($bAnyBusy) {
+        $bAnyBusy = false;
+        for ($i = 0; $i <= $iLoadThreads; $i++) {
+            if (pg_connection_busy($aDBInstances[$i]->connection)) $bAnyBusy = true;
+        }
+        sleep(1);
+        echo '.';
+    }
+    echo "\n";
+    echo "Reanalysing database...\n";
+    pgsqlRunScript('ANALYSE');
+
+    $sDatabaseDate = getDatabaseDate($oDB);
+    pg_query($oDB->connection, 'TRUNCATE import_status');
+    $sSQL = "INSERT INTO import_status (lastimportdate) VALUES('".$sDatabaseDate."')";
+    pg_query($oDB->connection, $sSQL);
+    echo "Latest data imported from $sDatabaseDate.\n";
+}
+
+if ($aCMDResult['import-tiger-data']) {
+    $bDidSomething = true;
+
+    $sTemplate = file_get_contents(CONST_BasePath.'/sql/tiger_import_start.sql');
+    $sTemplate = str_replace('{www-user}', CONST_Database_Web_User, $sTemplate);
+    $sTemplate = replace_tablespace(
+        '{ts:aux-data}',
+        CONST_Tablespace_Aux_Data,
+        $sTemplate
+    );
+    $sTemplate = replace_tablespace(
+        '{ts:aux-index}',
+        CONST_Tablespace_Aux_Index,
+        $sTemplate
+    );
+    pgsqlRunScript($sTemplate, false);
+
+    $aDBInstances = array();
+    for ($i = 0; $i < $iInstances; $i++) {
+        $aDBInstances[$i] =& getDB(true);
+    }
+
+    foreach (glob(CONST_Tiger_Data_Path.'/*.sql') as $sFile) {
+        echo $sFile.': ';
+        $hFile = fopen($sFile, "r");
+        $sSQL = fgets($hFile, 100000);
+        $iLines = 0;
+
+        while (true) {
+            for ($i = 0; $i < $iInstances; $i++) {
+                if (!pg_connection_busy($aDBInstances[$i]->connection)) {
+                    while (pg_get_result($aDBInstances[$i]->connection));
+                    $sSQL = fgets($hFile, 100000);
+                    if (!$sSQL) break 2;
+                    if (!pg_send_query($aDBInstances[$i]->connection, $sSQL)) fail(pg_last_error($oDB->connection));
+                    $iLines++;
+                    if ($iLines == 1000) {
+                        echo ".";
+                        $iLines = 0;
+                    }
+                }
+            }
+            usleep(10);
+        }
+
+        fclose($hFile);
+
+        $bAnyBusy = true;
+        while ($bAnyBusy) {
+            $bAnyBusy = false;
+            for ($i = 0; $i < $iInstances; $i++) {
+                if (pg_connection_busy($aDBInstances[$i]->connection)) $bAnyBusy = true;
+            }
+            usleep(10);
+        }
+        echo "\n";
+    }
+
+    echo "Creating indexes\n";
+    $sTemplate = file_get_contents(CONST_BasePath.'/sql/tiger_import_finish.sql');
+    $sTemplate = str_replace('{www-user}', CONST_Database_Web_User, $sTemplate);
+    $sTemplate = replace_tablespace(
+        '{ts:aux-data}',
+        CONST_Tablespace_Aux_Data,
+        $sTemplate
+    );
+    $sTemplate = replace_tablespace(
+        '{ts:aux-index}',
+        CONST_Tablespace_Aux_Index,
+        $sTemplate
+    );
+    pgsqlRunScript($sTemplate, false);
+}
+
+if ($aCMDResult['calculate-postcodes'] || $aCMDResult['all']) {
+    $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 .= "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 ";
+    $sSQL .= "where ST_Point(x,y) is not null";
+    if (!pg_query($oDB->connection, $sSQL)) fail(pg_last_error($oDB->connection));
+
+    if (CONST_Use_Extra_US_Postcodes) {
+        $sSQL = "insert into placex (osm_type,osm_id,class,type,postcode,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']) {
+    $bDidSomething = true;
+    echo "Command 'osmosis-init' no longer available, please use utils/update.php --init-updates.\n";
+}
+
+if ($aCMDResult['index'] || $aCMDResult['all']) {
+    $bDidSomething = true;
+    $sOutputFile = '';
+    $sBaseCmd = CONST_InstallPath.'/nominatim/nominatim -i -d '.$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']) {
+    echo "Search indices\n";
+    $bDidSomething = true;
+
+    $sTemplate = file_get_contents(CONST_BasePath.'/sql/indices.src.sql');
+    $sTemplate = replace_tablespace(
+        '{ts:address-index}',
+        CONST_Tablespace_Address_Index,
+        $sTemplate
+    );
+    $sTemplate = replace_tablespace(
+        '{ts:search-index}',
+        CONST_Tablespace_Search_Index,
+        $sTemplate
+    );
+    $sTemplate = replace_tablespace(
+        '{ts:aux-index}',
+        CONST_Tablespace_Aux_Index,
+        $sTemplate
+    );
+
+    pgsqlRunScript($sTemplate);
+}
+
+if ($aCMDResult['create-country-names'] || $aCMDResult['all']) {
+    echo 'Creating search index for default country names';
+    $bDidSomething = true;
+
+    pgsqlRunScript("select getorcreate_country(make_standard_name('uk'), 'gb')");
+    pgsqlRunScript("select getorcreate_country(make_standard_name('united states'), 'us')");
+    pgsqlRunScript("select count(*) from (select getorcreate_country(make_standard_name(country_code), country_code) from country_name where country_code is not null) as x");
+    pgsqlRunScript("select count(*) from (select getorcreate_country(make_standard_name(name->'name'), country_code) from country_name where name ? 'name') as x");
+
+    $sSQL = 'select count(*) from (select getorcreate_country(make_standard_name(v), country_code) from (select country_code, skeys(name) as k, svals(name) as v from country_name) x where k ';
+    if (CONST_Languages) {
+        $sSQL .= 'in ';
+        $sDelim = '(';
+        foreach (explode(',', CONST_Languages) as $sLang) {
+            $sSQL .= $sDelim."'name:$sLang'";
+            $sDelim = ',';
+        }
+        $sSQL .= ')';
+    } else {
+        // all include all simple name tags
+        $sSQL .= "like 'name:%'";
+    }
+    $sSQL .= ') v';
+    pgsqlRunScript($sSQL);
+}
+
+if ($aCMDResult['drop']) {
+    // The implementation is potentially a bit dangerous because it uses
+    // a positive selection of tables to keep, and deletes everything else.
+    // Including any tables that the unsuspecting user might have manually
+    // created. USE AT YOUR OWN PERIL.
+    $bDidSomething = true;
+
+    // tables we want to keep. everything else goes.
+    $aKeepTables = array(
+                    "*columns",
+                    "import_polygon_*",
+                    "import_status",
+                    "place_addressline",
+                    "location_property*",
+                    "placex",
+                    "search_name",
+                    "seq_*",
+                    "word",
+                    "query_log",
+                    "new_query_log",
+                    "gb_postcode",
+                    "spatial_ref_sys",
+                    "country_name",
+                    "place_classtype_*"
+                   );
+
+    $oDB =& getDB();
+    $aDropTables = array();
+    $aHaveTables = chksql($oDB->getCol("SELECT tablename FROM pg_tables WHERE schemaname='public'"));
+
+    foreach ($aHaveTables as $sTable) {
+        $bFound = false;
+        foreach ($aKeepTables as $sKeep) {
+            if (fnmatch($sKeep, $sTable)) {
+                $bFound = true;
+                break;
+            }
+        }
+        if (!$bFound) array_push($aDropTables, $sTable);
+    }
+
+    foreach ($aDropTables as $sDrop) {
+        if ($aCMDResult['verbose']) echo "dropping table $sDrop\n";
+        @pg_query($oDB->connection, "DROP TABLE $sDrop CASCADE");
+        // ignore warnings/errors as they might be caused by a table having
+        // been deleted already by CASCADE
+    }
+
+    if (!is_null(CONST_Osm2pgsql_Flatnode_File)) {
+        if ($aCMDResult['verbose']) echo "deleting ".CONST_Osm2pgsql_Flatnode_File."\n";
+        unlink(CONST_Osm2pgsql_Flatnode_File);
+    }
+}
+
+if (!$bDidSomething) {
+    showUsage($aCMDOptions, true);
+} else {
+    echo "Setup finished.\n";
+}
+
+
+function pgsqlRunScriptFile($sFilename)
+{
+    if (!file_exists($sFilename)) fail('unable to find '.$sFilename);
+
+    // 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'];
+
+    $ahGzipPipes = null;
+    if (preg_match('/\\.gz$/', $sFilename)) {
+        $aDescriptors = array(
+                         0 => array('pipe', 'r'),
+                         1 => array('pipe', 'w'),
+                         2 => array('file', '/dev/null', 'a')
+                        );
+        $hGzipProcess = proc_open('zcat '.$sFilename, $aDescriptors, $ahGzipPipes);
+        if (!is_resource($hGzipProcess)) fail('unable to start zcat');
+        $aReadPipe = $ahGzipPipes[1];
+        fclose($ahGzipPipes[0]);
+    } else {
+        $sCMD .= ' -f '.$sFilename;
+        $aReadPipe = array('pipe', 'r');
+    }
+
+    $aDescriptors = array(
+                     0 => $aReadPipe,
+                     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 pgsql');
+
+
+    // TODO: error checking
+    while (!feof($ahPipes[1])) {
+        echo fread($ahPipes[1], 4096);
+    }
+    fclose($ahPipes[1]);
+
+    $iReturn = proc_close($hProcess);
+    if ($iReturn > 0) {
+        fail("pgsql returned with error code ($iReturn)");
+    }
+    if ($ahGzipPipes) {
+        fclose($ahGzipPipes[1]);
+        proc_close($hGzipProcess);
+    }
+}
+
+function pgsqlRunScript($sScript, $bfatal = true)
+{
+    global $aCMDResult;
+    // 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 '.$aDSNInfo['database'];
+    if ($bfatal && !$aCMDResult['ignore-errors'])
+        $sCMD .= ' -v ON_ERROR_STOP=1';
+    $aDescriptors = array(
+                     0 => array('pipe', 'r'),
+                     1 => STDOUT,
+                     2 => STDERR
+                    );
+    $ahPipes = null;
+    $hProcess = @proc_open($sCMD, $aDescriptors, $ahPipes);
+    if (!is_resource($hProcess)) fail('unable to start pgsql');
+
+    while (strlen($sScript)) {
+        $written = fwrite($ahPipes[0], $sScript);
+        if ($written <= 0) break;
+        $sScript = substr($sScript, $written);
+    }
+    fclose($ahPipes[0]);
+    $iReturn = proc_close($hProcess);
+    if ($bfatal && $iReturn > 0) {
+        fail("pgsql returned with error code ($iReturn)");
+    }
+}
+
+function pgsqlRunPartitionScript($sTemplate)
+{
+    global $aCMDResult;
+    $oDB =& getDB();
+
+    $sSQL = 'select distinct partition from country_name';
+    $aPartitions = chksql($oDB->getCol($sSQL));
+    if (!$aCMDResult['no-partitions']) $aPartitions[] = 0;
+
+    preg_match_all('#^-- start(.*?)^-- end#ms', $sTemplate, $aMatches, PREG_SET_ORDER);
+    foreach ($aMatches as $aMatch) {
+        $sResult = '';
+        foreach ($aPartitions as $sPartitionName) {
+            $sResult .= str_replace('-partition-', $sPartitionName, $aMatch[1]);
+        }
+        $sTemplate = str_replace($aMatch[0], $sResult, $sTemplate);
+    }
+
+    pgsqlRunScript($sTemplate);
+}
+
+function pgsqlRunRestoreData($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 '.$aDSNInfo['database'].' -Fc -a '.$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]);
+
+    $iReturn = proc_close($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]);
+
+    $iReturn = proc_close($hProcess);
+}
+
+function passthruCheckReturn($cmd)
+{
+    $result = -1;
+    passthru($cmd, $result);
+    if ($result != 0) fail('Error executing external command: '.$cmd);
+}
+
+function replace_tablespace($sTemplate, $sTablespace, $sSql)
+{
+    if ($sTablespace) {
+        $sSql = str_replace($sTemplate, 'TABLESPACE "'.$sTablespace.'"', $sSql);
+    } else {
+        $sSql = str_replace($sTemplate, '', $sSql);
+    }
+
+    return $sSql;
+}
+
+function create_sql_functions($aCMDResult)
+{
+    $sTemplate = file_get_contents(CONST_BasePath.'/sql/functions.sql');
+    $sTemplate = str_replace('{modulepath}', CONST_InstallPath.'/module', $sTemplate);
+    if ($aCMDResult['enable-diff-updates']) {
+        $sTemplate = str_replace('RETURN NEW; -- %DIFFUPDATES%', '--', $sTemplate);
+    }
+    if ($aCMDResult['enable-debug-statements']) {
+        $sTemplate = str_replace('--DEBUG:', '', $sTemplate);
+    }
+    if (CONST_Limit_Reindexing) {
+        $sTemplate = str_replace('--LIMIT INDEXING:', '', $sTemplate);
+    }
+    if (!CONST_Use_US_Tiger_Data) {
+        $sTemplate = str_replace('-- %NOTIGERDATA% ', '', $sTemplate);
+    }
+    if (!CONST_Use_Aux_Location_data) {
+        $sTemplate = str_replace('-- %NOAUXDATA% ', '', $sTemplate);
+    }
+    pgsqlRunScript($sTemplate);
+}