]> git.openstreetmap.org Git - nominatim.git/blobdiff - lib/setup/SetupClass.php
documentation wording: snipped->snippet
[nominatim.git] / lib / setup / SetupClass.php
index a26b7dae34e816d1054b174e819ce68f693dbdce..71da57cf9dfdcb07f85e2daafcbec2ae2096582b 100755 (executable)
@@ -10,11 +10,13 @@ class SetupFunctions
     protected $iInstances;
     protected $sModulePath;
     protected $aDSNInfo;
+    protected $bQuiet;
     protected $bVerbose;
     protected $sIgnoreErrors;
     protected $bEnableDiffUpdates;
     protected $bEnableDebugStatements;
     protected $bNoPartitions;
+    protected $bDrop;
     protected $oDB = null;
 
     public function __construct(array $aCMDResult)
@@ -29,10 +31,13 @@ class SetupFunctions
             warn('resetting threads to '.$this->iInstances);
         }
 
-        // Assume we can steal all the cache memory in the box (unless told otherwise)
         if (isset($aCMDResult['osm2pgsql-cache'])) {
             $this->iCacheMemory = $aCMDResult['osm2pgsql-cache'];
+        } elseif (!is_null(CONST_Osm2pgsql_Flatnode_File)) {
+            // When flatnode files are enabled then disable cache per default.
+            $this->iCacheMemory = 0;
         } else {
+            // Otherwise: Assume we can steal all the cache memory in the box.
             $this->iCacheMemory = getCacheMemoryMB();
         }
 
@@ -46,6 +51,7 @@ class SetupFunctions
         }
 
         // setting member variables based on command line options stored in $aCMDResult
+        $this->bQuiet = $aCMDResult['quiet'];
         $this->bVerbose = $aCMDResult['verbose'];
 
         //setting default values which are not set by the update.php array
@@ -69,6 +75,8 @@ class SetupFunctions
         } else {
             $this->bEnableDiffUpdates = false;
         }
+
+        $this->bDrop = $aCMDResult['drop'];
     }
 
     public function createDB()
@@ -80,13 +88,15 @@ class SetupFunctions
             fail('database already exists ('.CONST_Database_DSN.')');
         }
 
-        $sCreateDBCmd = 'createdb -E UTF-8 -p '.$this->aDSNInfo['port'].' '.$this->aDSNInfo['database'];
+        $sCreateDBCmd = 'createdb -E UTF-8'
+            .' -p '.escapeshellarg($this->aDSNInfo['port'])
+            .' '.escapeshellarg($this->aDSNInfo['database']);
         if (isset($this->aDSNInfo['username'])) {
-            $sCreateDBCmd .= ' -U '.$this->aDSNInfo['username'];
+            $sCreateDBCmd .= ' -U '.escapeshellarg($this->aDSNInfo['username']);
         }
 
         if (isset($this->aDSNInfo['hostspec'])) {
-            $sCreateDBCmd .= ' -h '.$this->aDSNInfo['hostspec'];
+            $sCreateDBCmd .= ' -h '.escapeshellarg($this->aDSNInfo['hostspec']);
         }
 
         $result = $this->runWithPgEnv($sCreateDBCmd);
@@ -158,13 +168,6 @@ class SetupFunctions
         if ($this->bNoPartitions) {
             $this->pgsqlRunScript('update country_name set partition = 0');
         }
-
-        // the following will be needed by createFunctions later but
-        // is only defined in the subsequently called createTables
-        // Create dummies here that will be overwritten by the proper
-        // versions in create-tables.
-        $this->pgsqlRunScript('CREATE TABLE IF NOT EXISTS place_boundingbox ()');
-        $this->pgsqlRunScript('CREATE TYPE wikipedia_article_match AS ()', false);
     }
 
     public function importData($sOSMFile)
@@ -178,36 +181,41 @@ class SetupFunctions
             fail("osm2pgsql not found in '$osm2pgsql'");
         }
 
-        $osm2pgsql .= ' -S '.CONST_Import_Style;
+        $osm2pgsql .= ' -S '.escapeshellarg(CONST_Import_Style);
 
         if (!is_null(CONST_Osm2pgsql_Flatnode_File) && CONST_Osm2pgsql_Flatnode_File) {
-            $osm2pgsql .= ' --flat-nodes '.CONST_Osm2pgsql_Flatnode_File;
+            $osm2pgsql .= ' --flat-nodes '.escapeshellarg(CONST_Osm2pgsql_Flatnode_File);
         }
 
         if (CONST_Tablespace_Osm2pgsql_Data)
-            $osm2pgsql .= ' --tablespace-slim-data '.CONST_Tablespace_Osm2pgsql_Data;
+            $osm2pgsql .= ' --tablespace-slim-data '.escapeshellarg(CONST_Tablespace_Osm2pgsql_Data);
         if (CONST_Tablespace_Osm2pgsql_Index)
-            $osm2pgsql .= ' --tablespace-slim-index '.CONST_Tablespace_Osm2pgsql_Index;
+            $osm2pgsql .= ' --tablespace-slim-index '.escapeshellarg(CONST_Tablespace_Osm2pgsql_Index);
         if (CONST_Tablespace_Place_Data)
-            $osm2pgsql .= ' --tablespace-main-data '.CONST_Tablespace_Place_Data;
+            $osm2pgsql .= ' --tablespace-main-data '.escapeshellarg(CONST_Tablespace_Place_Data);
         if (CONST_Tablespace_Place_Index)
-            $osm2pgsql .= ' --tablespace-main-index '.CONST_Tablespace_Place_Index;
+            $osm2pgsql .= ' --tablespace-main-index '.escapeshellarg(CONST_Tablespace_Place_Index);
         $osm2pgsql .= ' -lsc -O gazetteer --hstore --number-processes 1';
-        $osm2pgsql .= ' -C '.$this->iCacheMemory;
-        $osm2pgsql .= ' -P '.$this->aDSNInfo['port'];
+        $osm2pgsql .= ' -C '.escapeshellarg($this->iCacheMemory);
+        $osm2pgsql .= ' -P '.escapeshellarg($this->aDSNInfo['port']);
         if (isset($this->aDSNInfo['username'])) {
-            $osm2pgsql .= ' -U '.$this->aDSNInfo['username'];
+            $osm2pgsql .= ' -U '.escapeshellarg($this->aDSNInfo['username']);
         }
         if (isset($this->aDSNInfo['hostspec'])) {
-            $osm2pgsql .= ' -H '.$this->aDSNInfo['hostspec'];
+            $osm2pgsql .= ' -H '.escapeshellarg($this->aDSNInfo['hostspec']);
         }
-        $osm2pgsql .= ' -d '.$this->aDSNInfo['database'].' '.$sOSMFile;
+        $osm2pgsql .= ' -d '.escapeshellarg($this->aDSNInfo['database']).' '.escapeshellarg($sOSMFile);
 
         $this->runWithPgEnv($osm2pgsql);
 
         if (!$this->sIgnoreErrors && !$this->oDB->getRow('select * from place limit 1')) {
             fail('No Data');
         }
+
+        if ($this->bDrop) {
+            $this->dropTable('planet_osm_nodes');
+            $this->removeFlatnodeFile();
+        }
     }
 
     public function createFunctions()
@@ -225,88 +233,34 @@ class SetupFunctions
         info('Create Tables');
 
         $sTemplate = file_get_contents(CONST_BasePath.'/sql/tables.sql');
-        $sTemplate = str_replace('{www-user}', CONST_Database_Web_User, $sTemplate);
-        $sTemplate = $this->replaceTablespace(
-            '{ts:address-data}',
-            CONST_Tablespace_Address_Data,
-            $sTemplate
-        );
-        $sTemplate = $this->replaceTablespace(
-            '{ts:address-index}',
-            CONST_Tablespace_Address_Index,
-            $sTemplate
-        );
-        $sTemplate = $this->replaceTablespace(
-            '{ts:search-data}',
-            CONST_Tablespace_Search_Data,
-            $sTemplate
-        );
-        $sTemplate = $this->replaceTablespace(
-            '{ts:search-index}',
-            CONST_Tablespace_Search_Index,
-            $sTemplate
-        );
-        $sTemplate = $this->replaceTablespace(
-            '{ts:aux-data}',
-            CONST_Tablespace_Aux_Data,
-            $sTemplate
-        );
-        $sTemplate = $this->replaceTablespace(
-            '{ts:aux-index}',
-            CONST_Tablespace_Aux_Index,
-            $sTemplate
-        );
+        $sTemplate = $this->replaceSqlPatterns($sTemplate);
 
         $this->pgsqlRunScript($sTemplate, false);
 
         if ($bReverseOnly) {
-            $this->pgExec('DROP TABLE search_name');
+            $this->dropTable('search_name');
         }
 
         $oAlParser = new AddressLevelParser(CONST_Address_Level_Config);
         $oAlParser->createTable($this->oDB, 'address_levels');
     }
 
-    public function createPartitionTables()
+    public function createTableTriggers()
     {
-        info('Create Partition Tables');
-
-        $sTemplate = file_get_contents(CONST_BasePath.'/sql/partition-tables.src.sql');
-        $sTemplate = $this->replaceTablespace(
-            '{ts:address-data}',
-            CONST_Tablespace_Address_Data,
-            $sTemplate
-        );
-
-        $sTemplate = $this->replaceTablespace(
-            '{ts:address-index}',
-            CONST_Tablespace_Address_Index,
-            $sTemplate
-        );
+        info('Create Tables');
 
-        $sTemplate = $this->replaceTablespace(
-            '{ts:search-data}',
-            CONST_Tablespace_Search_Data,
-            $sTemplate
-        );
+        $sTemplate = file_get_contents(CONST_BasePath.'/sql/table-triggers.sql');
+        $sTemplate = $this->replaceSqlPatterns($sTemplate);
 
-        $sTemplate = $this->replaceTablespace(
-            '{ts:search-index}',
-            CONST_Tablespace_Search_Index,
-            $sTemplate
-        );
+        $this->pgsqlRunScript($sTemplate, false);
+    }
 
-        $sTemplate = $this->replaceTablespace(
-            '{ts:aux-data}',
-            CONST_Tablespace_Aux_Data,
-            $sTemplate
-        );
+    public function createPartitionTables()
+    {
+        info('Create Partition Tables');
 
-        $sTemplate = $this->replaceTablespace(
-            '{ts:aux-index}',
-            CONST_Tablespace_Aux_Index,
-            $sTemplate
-        );
+        $sTemplate = file_get_contents(CONST_BasePath.'/sql/partition-tables.src.sql');
+        $sTemplate = $this->replaceSqlPatterns($sTemplate);
 
         $this->pgsqlRunPartitionScript($sTemplate);
     }
@@ -321,19 +275,14 @@ class SetupFunctions
 
     public function importWikipediaArticles()
     {
-        $sWikiArticlesFile = CONST_Wikipedia_Data_Path.'/wikipedia_article.sql.bin';
-        $sWikiRedirectsFile = CONST_Wikipedia_Data_Path.'/wikipedia_redirect.sql.bin';
+        $sWikiArticlesFile = CONST_Wikipedia_Data_Path.'/wikimedia-importance.sql.gz';
         if (file_exists($sWikiArticlesFile)) {
-            info('Importing wikipedia articles');
-            $this->pgsqlRunDropAndRestore($sWikiArticlesFile);
+            info('Importing wikipedia articles and redirects');
+            $this->dropTable('wikipedia_article');
+            $this->dropTable('wikipedia_redirect');
+            $this->pgsqlRunScriptFile($sWikiArticlesFile);
         } else {
-            warn('wikipedia article dump file not found - places will have default importance');
-        }
-        if (file_exists($sWikiRedirectsFile)) {
-            info('Importing wikipedia redirects');
-            $this->pgsqlRunDropAndRestore($sWikiRedirectsFile);
-        } else {
-            warn('wikipedia redirect dump file not found - some place importance values may be missing');
+            warn('wikipedia importance dump file not found - places will have default importance');
         }
     }
 
@@ -341,27 +290,25 @@ class SetupFunctions
     {
         info('Drop old Data');
 
-        $this->pgExec('TRUNCATE word');
-        echo '.';
-        $this->pgExec('TRUNCATE placex');
+        $this->oDB->exec('TRUNCATE word');
         echo '.';
-        $this->pgExec('TRUNCATE location_property_osmline');
+        $this->oDB->exec('TRUNCATE placex');
         echo '.';
-        $this->pgExec('TRUNCATE place_addressline');
+        $this->oDB->exec('TRUNCATE location_property_osmline');
         echo '.';
-        $this->pgExec('TRUNCATE place_boundingbox');
+        $this->oDB->exec('TRUNCATE place_addressline');
         echo '.';
-        $this->pgExec('TRUNCATE location_area');
+        $this->oDB->exec('TRUNCATE location_area');
         echo '.';
         if (!$this->dbReverseOnly()) {
-            $this->pgExec('TRUNCATE search_name');
+            $this->oDB->exec('TRUNCATE search_name');
             echo '.';
         }
-        $this->pgExec('TRUNCATE search_name_blank');
+        $this->oDB->exec('TRUNCATE search_name_blank');
         echo '.';
-        $this->pgExec('DROP SEQUENCE seq_place');
+        $this->oDB->exec('DROP SEQUENCE seq_place');
         echo '.';
-        $this->pgExec('CREATE SEQUENCE seq_place start 100000');
+        $this->oDB->exec('CREATE SEQUENCE seq_place start 100000');
         echo '.';
 
         $sSQL = 'select distinct partition from country_name';
@@ -369,14 +316,14 @@ class SetupFunctions
 
         if (!$this->bNoPartitions) $aPartitions[] = 0;
         foreach ($aPartitions as $sPartition) {
-            $this->pgExec('TRUNCATE location_road_'.$sPartition);
+            $this->oDB->exec('TRUNCATE location_road_'.$sPartition);
             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';
-        $this->pgExec($sSQL);
+        $this->oDB->exec($sSQL);
         echo ".\n";
 
         // pre-create the word list
@@ -473,17 +420,8 @@ class SetupFunctions
         if (empty($aFilenames)) return;
 
         $sTemplate = file_get_contents(CONST_BasePath.'/sql/tiger_import_start.sql');
-        $sTemplate = str_replace('{www-user}', CONST_Database_Web_User, $sTemplate);
-        $sTemplate = $this->replaceTablespace(
-            '{ts:aux-data}',
-            CONST_Tablespace_Aux_Data,
-            $sTemplate
-        );
-        $sTemplate = $this->replaceTablespace(
-            '{ts:aux-index}',
-            CONST_Tablespace_Aux_Index,
-            $sTemplate
-        );
+        $sTemplate = $this->replaceSqlPatterns($sTemplate);
+
         $this->pgsqlRunScript($sTemplate, false);
 
         $aDBInstances = array();
@@ -536,24 +474,15 @@ class SetupFunctions
 
         info('Creating indexes on Tiger data');
         $sTemplate = file_get_contents(CONST_BasePath.'/sql/tiger_import_finish.sql');
-        $sTemplate = str_replace('{www-user}', CONST_Database_Web_User, $sTemplate);
-        $sTemplate = $this->replaceTablespace(
-            '{ts:aux-data}',
-            CONST_Tablespace_Aux_Data,
-            $sTemplate
-        );
-        $sTemplate = $this->replaceTablespace(
-            '{ts:aux-index}',
-            CONST_Tablespace_Aux_Index,
-            $sTemplate
-        );
+        $sTemplate = $this->replaceSqlPatterns($sTemplate);
+
         $this->pgsqlRunScript($sTemplate, false);
     }
 
     public function calculatePostcodes($bCMDResultAll)
     {
         info('Calculate Postcodes');
-        $this->pgExec('TRUNCATE location_postcode');
+        $this->oDB->exec('TRUNCATE location_postcode');
 
         $sSQL  = 'INSERT INTO location_postcode';
         $sSQL .= ' (place_id, indexed_status, country_code, postcode, geometry) ';
@@ -564,7 +493,7 @@ class SetupFunctions
         $sSQL .= " WHERE address ? 'postcode' AND address->'postcode' NOT SIMILAR TO '%(,|;)%'";
         $sSQL .= '       AND geometry IS NOT null';
         $sSQL .= ' GROUP BY country_code, pc';
-        $this->pgExec($sSQL);
+        $this->oDB->exec($sSQL);
 
         // only add postcodes that are not yet available in OSM
         $sSQL  = 'INSERT INTO location_postcode';
@@ -574,7 +503,7 @@ class SetupFunctions
         $sSQL .= '  FROM us_postcode WHERE postcode NOT IN';
         $sSQL .= '        (SELECT postcode FROM location_postcode';
         $sSQL .= "          WHERE country_code = 'us')";
-        $this->pgExec($sSQL);
+        $this->oDB->exec($sSQL);
 
         // add missing postcodes for GB (if available)
         $sSQL  = 'INSERT INTO location_postcode';
@@ -583,29 +512,37 @@ class SetupFunctions
         $sSQL .= '  FROM gb_postcode WHERE postcode NOT IN';
         $sSQL .= '           (SELECT postcode FROM location_postcode';
         $sSQL .= "             WHERE country_code = 'gb')";
-        $this->pgExec($sSQL);
+        $this->oDB->exec($sSQL);
 
         if (!$bCMDResultAll) {
             $sSQL = "DELETE FROM word WHERE class='place' and type='postcode'";
             $sSQL .= 'and word NOT IN (SELECT postcode FROM location_postcode)';
-            $this->pgExec($sSQL);
+            $this->oDB->exec($sSQL);
         }
 
         $sSQL = 'SELECT count(getorcreate_postcode_id(v)) FROM ';
         $sSQL .= '(SELECT distinct(postcode) as v FROM location_postcode) p';
-        $this->pgExec($sSQL);
+        $this->oDB->exec($sSQL);
     }
 
     public function index($bIndexNoanalyse)
     {
         $sOutputFile = '';
-        $sBaseCmd = CONST_InstallPath.'/nominatim/nominatim -i -d '.$this->aDSNInfo['database'].' -P '
-            .$this->aDSNInfo['port'].' -t '.$this->iInstances.$sOutputFile;
+        $sBaseCmd = CONST_BasePath.'/nominatim/nominatim.py'
+            .' -d '.escapeshellarg($this->aDSNInfo['database'])
+            .' -P '.escapeshellarg($this->aDSNInfo['port'])
+            .' -t '.escapeshellarg($this->iInstances.$sOutputFile);
+        if (!$this->bQuiet) {
+            $sBaseCmd .= ' -v';
+        }
+        if ($this->bVerbose) {
+            $sBaseCmd .= ' -v';
+        }
         if (isset($this->aDSNInfo['hostspec'])) {
-            $sBaseCmd .= ' -H '.$this->aDSNInfo['hostspec'];
+            $sBaseCmd .= ' -H '.escapeshellarg($this->aDSNInfo['hostspec']);
         }
         if (isset($this->aDSNInfo['username'])) {
-            $sBaseCmd .= ' -U '.$this->aDSNInfo['username'];
+            $sBaseCmd .= ' -U '.escapeshellarg($this->aDSNInfo['username']);
         }
 
         info('Index ranks 0 - 4');
@@ -630,33 +567,31 @@ class SetupFunctions
 
         info('Index postcodes');
         $sSQL = 'UPDATE location_postcode SET indexed_status = 0';
-        $this->pgExec($sSQL);
+        $this->oDB->exec($sSQL);
     }
 
     public function createSearchIndices()
     {
         info('Create Search indices');
 
+        $sSQL = 'SELECT relname FROM pg_class, pg_index ';
+        $sSQL .= 'WHERE pg_index.indisvalid = false AND pg_index.indexrelid = pg_class.oid';
+        $aInvalidIndices = $this->oDB->getCol($sSQL);
+
+        foreach ($aInvalidIndices as $sIndexName) {
+            info("Cleaning up invalid index $sIndexName");
+            $this->oDB->exec("DROP INDEX $sIndexName;");
+        }
+
         $sTemplate = file_get_contents(CONST_BasePath.'/sql/indices.src.sql');
+        if (!$this->bDrop) {
+            $sTemplate .= file_get_contents(CONST_BasePath.'/sql/indices_updates.src.sql');
+        }
         if (!$this->dbReverseOnly()) {
             $sTemplate .= file_get_contents(CONST_BasePath.'/sql/indices_search.src.sql');
         }
-        $sTemplate = str_replace('{www-user}', CONST_Database_Web_User, $sTemplate);
-        $sTemplate = $this->replaceTablespace(
-            '{ts:address-index}',
-            CONST_Tablespace_Address_Index,
-            $sTemplate
-        );
-        $sTemplate = $this->replaceTablespace(
-            '{ts:search-index}',
-            CONST_Tablespace_Search_Index,
-            $sTemplate
-        );
-        $sTemplate = $this->replaceTablespace(
-            '{ts:aux-index}',
-            CONST_Tablespace_Aux_Index,
-            $sTemplate
-        );
+        $sTemplate = $this->replaceSqlPatterns($sTemplate);
+
         $this->pgsqlRunScript($sTemplate);
     }
 
@@ -728,10 +663,14 @@ class SetupFunctions
             if (!$bFound) array_push($aDropTables, $sTable);
         }
         foreach ($aDropTables as $sDrop) {
-            if ($this->bVerbose) echo "Dropping table $sDrop\n";
-            $this->oDB->exec("DROP TABLE IF EXISTS $sDrop CASCADE");
+            $this->dropTable($sDrop);
         }
 
+        $this->removeFlatnodeFile();
+    }
+
+    private function removeFlatnodeFile()
+    {
         if (!is_null(CONST_Osm2pgsql_Flatnode_File) && CONST_Osm2pgsql_Flatnode_File) {
             if (file_exists(CONST_Osm2pgsql_Flatnode_File)) {
                 if ($this->bVerbose) echo 'Deleting '.CONST_Osm2pgsql_Flatnode_File."\n";
@@ -740,22 +679,6 @@ class SetupFunctions
         }
     }
 
-    private function pgsqlRunDropAndRestore($sDumpFile)
-    {
-        $sCMD = 'pg_restore -p '.$this->aDSNInfo['port'].' -d '.$this->aDSNInfo['database'].' --no-owner -Fc --clean '.$sDumpFile;
-        if ($this->oDB->getPostgresVersion() >= 9.04) {
-            $sCMD .= ' --if-exists';
-        }
-        if (isset($this->aDSNInfo['hostspec'])) {
-            $sCMD .= ' -h '.$this->aDSNInfo['hostspec'];
-        }
-        if (isset($this->aDSNInfo['username'])) {
-            $sCMD .= ' -U '.$this->aDSNInfo['username'];
-        }
-
-        $this->runWithPgEnv($sCMD);
-    }
-
     private function pgsqlRunScript($sScript, $bfatal = true)
     {
         runSQLScript(
@@ -768,7 +691,21 @@ class SetupFunctions
 
     private function createSqlFunctions()
     {
-        $sTemplate = file_get_contents(CONST_BasePath.'/sql/functions.sql');
+        $sBasePath = CONST_BasePath.'/sql/functions/';
+        $sTemplate = file_get_contents($sBasePath.'utils.sql');
+        $sTemplate .= file_get_contents($sBasePath.'normalization.sql');
+        $sTemplate .= file_get_contents($sBasePath.'importance.sql');
+        $sTemplate .= file_get_contents($sBasePath.'address_lookup.sql');
+        $sTemplate .= file_get_contents($sBasePath.'interpolation.sql');
+        if ($this->oDB->tableExists('place')) {
+            $sTemplate .= file_get_contents($sBasePath.'place_triggers.sql');
+        }
+        if ($this->oDB->tableExists('placex')) {
+            $sTemplate .= file_get_contents($sBasePath.'placex_triggers.sql');
+        }
+        if ($this->oDB->tableExists('location_postcode')) {
+            $sTemplate .= file_get_contents($sBasePath.'postcode_triggers.sql');
+        }
         $sTemplate = str_replace('{modulepath}', $this->sModulePath, $sTemplate);
         if ($this->bEnableDiffUpdates) {
             $sTemplate = str_replace('RETURN NEW; -- %DIFFUPDATES%', '--', $sTemplate);
@@ -814,15 +751,17 @@ class SetupFunctions
     {
         if (!file_exists($sFilename)) fail('unable to find '.$sFilename);
 
-        $sCMD = 'psql -p '.$this->aDSNInfo['port'].' -d '.$this->aDSNInfo['database'];
+        $sCMD = 'psql'
+            .' -p '.escapeshellarg($this->aDSNInfo['port'])
+            .' -d '.escapeshellarg($this->aDSNInfo['database']);
         if (!$this->bVerbose) {
             $sCMD .= ' -q';
         }
         if (isset($this->aDSNInfo['hostspec'])) {
-            $sCMD .= ' -h '.$this->aDSNInfo['hostspec'];
+            $sCMD .= ' -h '.escapeshellarg($this->aDSNInfo['hostspec']);
         }
         if (isset($this->aDSNInfo['username'])) {
-            $sCMD .= ' -U '.$this->aDSNInfo['username'];
+            $sCMD .= ' -U '.escapeshellarg($this->aDSNInfo['username']);
         }
         $aProcEnv = null;
         if (isset($this->aDSNInfo['password'])) {
@@ -835,12 +774,12 @@ class SetupFunctions
                              1 => array('pipe', 'w'),
                              2 => array('file', '/dev/null', 'a')
                             );
-            $hGzipProcess = proc_open('zcat '.$sFilename, $aDescriptors, $ahGzipPipes);
+            $hGzipProcess = proc_open('zcat '.escapeshellarg($sFilename), $aDescriptors, $ahGzipPipes);
             if (!is_resource($hGzipProcess)) fail('unable to start zcat');
             $aReadPipe = $ahGzipPipes[1];
             fclose($ahGzipPipes[0]);
         } else {
-            $sCMD .= ' -f '.$sFilename;
+            $sCMD .= ' -f '.escapeshellarg($sFilename);
             $aReadPipe = array('pipe', 'r');
         }
         $aDescriptors = array(
@@ -866,13 +805,27 @@ class SetupFunctions
         }
     }
 
-    private function replaceTablespace($sTemplate, $sTablespace, $sSql)
+    private function replaceSqlPatterns($sSql)
     {
-        if ($sTablespace) {
-            $sSql = str_replace($sTemplate, 'TABLESPACE "'.$sTablespace.'"', $sSql);
-        } else {
-            $sSql = str_replace($sTemplate, '', $sSql);
+        $sSql = str_replace('{www-user}', CONST_Database_Web_User, $sSql);
+
+        $aPatterns = array(
+                      '{ts:address-data}' => CONST_Tablespace_Address_Data,
+                      '{ts:address-index}' => CONST_Tablespace_Address_Index,
+                      '{ts:search-data}' => CONST_Tablespace_Search_Data,
+                      '{ts:search-index}' =>  CONST_Tablespace_Search_Index,
+                      '{ts:aux-data}' =>  CONST_Tablespace_Aux_Data,
+                      '{ts:aux-index}' =>  CONST_Tablespace_Aux_Index,
+        );
+
+        foreach ($aPatterns as $sPattern => $sTablespace) {
+            if ($sTablespace) {
+                $sSql = str_replace($sPattern, 'TABLESPACE "'.$sTablespace.'"', $sSql);
+            } else {
+                $sSql = str_replace($sPattern, '', $sSql);
+            }
         }
+
         return $sSql;
     }
 
@@ -892,17 +845,18 @@ class SetupFunctions
     }
 
     /**
-     * Execute the SQL command on the open database.
+     * Drop table with the given name if it exists.
      *
-     * @param string $sSQL SQL command to execute.
+     * @param string $sName Name of table to remove.
      *
      * @return null
      *
      * @pre connect() must have been called.
      */
-    private function pgExec($sSQL)
+    private function dropTable($sName)
     {
-        $this->oDB->exec($sSQL);
+        if ($this->bVerbose) echo "Dropping table $sName\n";
+        $this->oDB->exec('DROP TABLE IF EXISTS '.$sName.' CASCADE');
     }
 
     /**