]> git.openstreetmap.org Git - nominatim.git/blobdiff - lib/Geocode.php
use chksql everywhere in lib/
[nominatim.git] / lib / Geocode.php
index 611ca6de630f4252dad05dba6c4764c64077d336..aa65cb69faebc22bf37e8f899c761f9260e8f117 100644 (file)
 
                        if (30 >= $this->iMinAddressRank && 30 <= $this->iMaxAddressRank)
                        {
+                               //only Tiger housenumbers and interpolation lines need to be interpolated, because they are saved as lines 
+                               // with start- and endnumber, the common osm housenumbers are usually saved as points
+                               $sHousenumbers = "";
+                               $i = 0;
+                               $length = count($aPlaceIDs);
+                               foreach($aPlaceIDs as $placeID => $housenumber)
+                               {
+                                       $i++;
+                                       $sHousenumbers .= "(".$placeID.", ".$housenumber.")";
+                                       if($i<$length)
+                                               $sHousenumbers .= ", ";
+                               }
                                if (CONST_Use_US_Tiger_Data)
                                {
-                                       //query also location_property_tiger and location_property_aux
                                        //Tiger search only if a housenumber was searched and if it was found (i.e. aPlaceIDs[placeID] = housenumber != -1) (realized through a join)
-                                       //only Tiger housenumbers need to be interpolated, because they are saved as lines with start- and endnumber, the common osm housenumbers are usually saved as points
-                                       $sHousenumbers = "";
-                                       $i = 0;
-                                       $length = count($aPlaceIDs);
-                                       foreach($aPlaceIDs as $placeID => $housenumber)
-                                       {
-                                               $i++;
-                                               $sHousenumbers .= "(".$placeID.", ".$housenumber.")";
-                                               if($i<$length)
-                                                       $sHousenumbers .= ", ";
-                                       }
-
-                                       $sSQL .= "union ";
-                                       $sSQL .= "select 'T' as osm_type, place_id as osm_id, 'place' as class, 'house' as type, null as admin_level, 30 as rank_search, 30 as rank_address, min(place_id) as place_id, min(parent_place_id) as parent_place_id, 'us' as country_code";
+                                       $sSQL .= " union";
+                                       $sSQL .= " select 'T' as osm_type, place_id as osm_id, 'place' as class, 'house' as type, null as admin_level, 30 as rank_search, 30 as rank_address, min(place_id) as place_id, min(parent_place_id) as parent_place_id, 'us' as country_code";
                                        $sSQL .= ", get_address_by_language(place_id, housenumber_for_place, $sLanguagePrefArraySQL) as langaddress ";
                                        $sSQL .= ", null as placename";
                                        $sSQL .= ", null as ref";
                                        $sSQL .= ", null as extra_place ";
                                        $sSQL .= " from (select place_id";
                                        //interpolate the Tiger housenumbers here
-                                       $sSQL .= ", ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) as centroid, parent_place_id, housenumber_for_place ";
-                                       $sSQL .= "from (location_property_tiger ";
+                                       $sSQL .= ", ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) as centroid, parent_place_id, housenumber_for_place";
+                                       $sSQL .= " from (location_property_tiger ";
                                        $sSQL .= " join (values ".$sHousenumbers.") as housenumbers(place_id, housenumber_for_place) using(place_id)) ";
                                        $sSQL .= " where housenumber_for_place>=0 and 30 between $this->iMinAddressRank and $this->iMaxAddressRank) as blub"; //postgres wants an alias here
                                        $sSQL .= " group by place_id, housenumber_for_place"; //is this group by really needed?, place_id + housenumber (in combination) are unique
                                        if (!$this->bDeDupe) $sSQL .= ", place_id ";
                                }
+                               // osmline
+                               // interpolation line search only if a housenumber was searched and if it was found (i.e. aPlaceIDs[placeID] = housenumber != -1) (realized through a join)
+                               $sSQL .= " union ";
+                               $sSQL .= "select 'W' as osm_type, place_id as osm_id, 'place' as class, 'house' as type, null as admin_level, 30 as rank_search, 30 as rank_address, min(place_id) as place_id, min(parent_place_id) as parent_place_id, calculated_country_code as country_code, ";
+                               $sSQL .= "get_address_by_language(place_id, housenumber_for_place, $sLanguagePrefArraySQL) as langaddress, ";
+                               $sSQL .= "null as placename, ";
+                               $sSQL .= "null as ref, ";
+                               if ($this->bIncludeExtraTags) $sSQL .= "null as extra, ";
+                               if ($this->bIncludeNameDetails) $sSQL .= "null as names, ";
+                               $sSQL .= " avg(st_x(centroid)) as lon, avg(st_y(centroid)) as lat,";
+                               $sSQL .= $sImportanceSQL."-0.1 as importance, ";  // slightly smaller than the importance for normal houses with rank 30, which is 0
+                               $sSQL .= " (select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p";
+                               $sSQL .= " where s.place_id = min(blub.parent_place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance,";
+                               $sSQL .= " null as extra_place ";
+                               $sSQL .= " from (select place_id, calculated_country_code ";
+                               //interpolate the housenumbers here
+                               $sSQL .= ", CASE WHEN startnumber != endnumber THEN ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) ";
+                               $sSQL .= " ELSE ST_LineInterpolatePoint(linegeo, 0.5) END as centroid";
+                               $sSQL .= ", parent_place_id, housenumber_for_place ";
+                               $sSQL .= " from (location_property_osmline ";
+                               $sSQL .= " join (values ".$sHousenumbers.") as housenumbers(place_id, housenumber_for_place) using(place_id)) ";
+                               $sSQL .= " where housenumber_for_place>=0 and 30 between $this->iMinAddressRank and $this->iMaxAddressRank) as blub"; //postgres wants an alias here
+                               $sSQL .= " group by place_id, housenumber_for_place, calculated_country_code "; //is this group by really needed?, place_id + housenumber (in combination) are unique
+                               if (!$this->bDeDupe) $sSQL .= ", place_id ";
 
                                if (CONST_Use_Aux_Location_data)
                                {
 
                        $sSQL .= " order by importance desc";
                        if (CONST_Debug) { echo "<hr>"; var_dump($sSQL); }
-                       $aSearchResults = $this->oDB->getAll($sSQL);
-
-                       if (PEAR::IsError($aSearchResults))
-                       {
-                               failInternalError("Could not get details for place.", $sSQL, $aSearchResults);
-                       }
+                       $aSearchResults = chksql($this->oDB->getAll($sSQL);
+                                                "Could not get details for place.");
 
                        return $aSearchResults;
                }
                                $sViewboxCentreSQL .= ")'::geometry,4326)";
 
                                $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/69).")";
-                               $this->sViewboxSmallSQL = $this->oDB->getOne($sSQL);
-                               if (PEAR::isError($this->sViewboxSmallSQL))
-                               {
-                                       failInternalError("Could not get small viewbox.", $sSQL, $this->sViewboxSmallSQL);
-                               }
+                               $this->sViewboxSmallSQL = chksql($this->oDB->getOne($sSQL);
+                                                                "Could not get small viewbox.");
                                $this->sViewboxSmallSQL = "'".$this->sViewboxSmallSQL."'::geometry";
 
                                $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/30).")";
-                               $this->sViewboxLargeSQL = $this->oDB->getOne($sSQL);
-                               if (PEAR::isError($this->sViewboxLargeSQL))
-                               {
-                                       failInternalError("Could not get large viewbox.", $sSQL, $this->sViewboxLargeSQL);
-                               }
+                               $this->sViewboxLargeSQL = chksql($this->oDB->getOne($sSQL),
+                                                                "Could not get large viewbox.");
                                $this->sViewboxLargeSQL = "'".$this->sViewboxLargeSQL."'::geometry";
                                $bBoundingBoxSearch = $this->bBoundedSearch;
                        }
 
                        // Do we have anything that looks like a lat/lon pair?
                        if ( $aLooksLike = looksLikeLatLonPair($sQuery) )
-            {
+                       {
                                $this->setNearPoint(array($aLooksLike['lat'], $aLooksLike['lon']));
                                $sQuery = $aLooksLike['query'];
                        }
                                foreach($aSpecialTermsRaw as $aSpecialTerm)
                                {
                                        $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
-                                       $sToken = $this->oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string");
+                                       $sToken = chksql($this->oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string"));
                                        $sSQL = 'select * from (select word_id,word_token, word, class, type, country_code, operator';
                                        $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\')) or country_code is not null';
                                        if (CONST_Debug) var_Dump($sSQL);
-                                       $aSearchWords = $this->oDB->getAll($sSQL);
+                                       $aSearchWords = chksql($this->oDB->getAll($sSQL));
                                        $aNewSearches = array();
                                        foreach($aSearches as $aSearch)
                                        {
                                $aTokens = array();
                                foreach($aPhrases as $iPhrase => $sPhrase)
                                {
-                                       $aPhrase = $this->oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
-                                       if (PEAR::isError($aPhrase))
-                                       {
-                                               userError("Illegal query string (not an UTF-8 string): ".$sPhrase);
-                                               if (CONST_Debug) var_dump($aPhrase);
-                                               exit;
-                                       }
+                                       $aPhrase = chksql($this->oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string"),
+                                                         "Cannot nomralize query string (is it an UTF-8 string?)");
                                        if (trim($aPhrase['string']))
                                        {
                                                $aPhrases[$iPhrase] = $aPhrase;
                                        if (CONST_Debug) var_Dump($sSQL);
 
                                        $aValidTokens = array();
-                                       if (sizeof($aTokens)) $aDatabaseWords = $this->oDB->getAll($sSQL);
-                                       else $aDatabaseWords = array();
-                                       if (PEAR::IsError($aDatabaseWords))
+                                       if (sizeof($aTokens))
                                        {
-                                               failInternalError("Could not get word tokens.", $sSQL, $aDatabaseWords);
+                                               $aDatabaseWords = chksql($this->oDB->getAll($sSQL),
+                                                                        "Could not get word tokens.");
+                                       }
+                                       else
+                                       {
+                                               $aDatabaseWords = array();
                                        }
                                        $aPossibleMainWordIDs = array();
                                        $aWordFrequencyScores = array();
                                                                                $sSQL .= " and _st_intersects($this->sViewboxSmallSQL, geometry)";
                                                                        $sSQL .= " order by st_area(geometry) desc limit 1";
                                                                        if (CONST_Debug) var_dump($sSQL);
-                                                                       $aPlaceIDs = $this->oDB->getCol($sSQL);
+                                                                       $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
                                                                }
                                                                else
                                                                {
                                                                if (!$bBoundingBoxSearch && !$aSearch['fLon']) continue;
                                                                if (!$aSearch['sClass']) continue;
                                                                $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
-                                                               if ($this->oDB->getOne($sSQL))
+                                                               if (chksql($this->oDB->getOne($sSQL)))
                                                                {
                                                                        $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
                                                                        if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
                                                                        if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
                                                                        $sSQL .= " limit $this->iLimit";
                                                                        if (CONST_Debug) var_dump($sSQL);
-                                                                       $aPlaceIDs = $this->oDB->getCol($sSQL);
+                                                                       $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
 
                                                                        // If excluded place IDs are given, it is fair to assume that
                                                                        // there have been results in the small box, so no further
                                                                                if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
                                                                                $sSQL .= " limit $this->iLimit";
                                                                                if (CONST_Debug) var_dump($sSQL);
-                                                                               $aPlaceIDs = $this->oDB->getCol($sSQL);
+                                                                               $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
                                                                        }
                                                                }
                                                                else
                                                                        if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
                                                                        $sSQL .= " limit $this->iLimit";
                                                                        if (CONST_Debug) var_dump($sSQL);
-                                                                       $aPlaceIDs = $this->oDB->getCol($sSQL);
+                                                                       $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
                                                                }
                                                        }
                                                }
                                                        if ($aSearch['sHouseNumber'] && sizeof($aSearch['aAddress']))
                                                        {
                                                                $sHouseNumberRegex = '\\\\m'.$aSearch['sHouseNumber'].'\\\\M';
-                                                               $aOrder[] = "exists(select place_id from placex where parent_place_id = search_name.place_id and transliteration(housenumber) ~* E'".$sHouseNumberRegex."' limit 1) desc";
+                                $aOrder[] = "";
+                                                               $aOrder[0] = " (exists(select place_id from placex where parent_place_id = search_name.place_id";
+                                $aOrder[0] .= " and transliteration(housenumber) ~* E'".$sHouseNumberRegex."' limit 1) ";
+                                                               // also housenumbers from interpolation lines table are needed
+                                                               $aOrder[0] .= " or exists(select place_id from location_property_osmline where parent_place_id = search_name.place_id";
+                                $aOrder[0] .= " and ".intval($aSearch['sHouseNumber']).">=startnumber and ".intval($aSearch['sHouseNumber'])."<=endnumber limit 1))";
+                                                               $aOrder[0] .= " desc";
                                                        }
 
                                                        // TODO: filter out the pointless search terms (2 letter name tokens and less)
                                                                        $sSQL .= " limit ".$this->iLimit;
 
                                                                if (CONST_Debug) { var_dump($sSQL); }
-                                                               $aViewBoxPlaceIDs = $this->oDB->getAll($sSQL);
-                                                               if (PEAR::IsError($aViewBoxPlaceIDs))
-                                                               {
-                                                                       failInternalError("Could not get places for search terms.", $sSQL, $aViewBoxPlaceIDs);
+                                                               $aViewBoxPlaceIDs = chksql($this->oDB->getAll($sSQL));
+                                                                                          "Could not get places for search terms.");
                                                                }
                                                                //var_dump($aViewBoxPlaceIDs);
                                                                // Did we have an viewbox matches?
                                                        //now search for housenumber, if housenumber provided
                                                        if ($aSearch['sHouseNumber'] && sizeof($aPlaceIDs))
                                                        {
+                                                               $searchedHousenumber = intval($aSearch['sHouseNumber']);
                                                                $aRoadPlaceIDs = $aPlaceIDs;
                                                                $sPlaceIDs = join(',',$aPlaceIDs);
 
-                                                               // Now they are indexed look for a house attached to a street we found
+                                                               // Now they are indexed, look for a house attached to a street we found
                                                                $sHouseNumberRegex = '\\\\m'.$aSearch['sHouseNumber'].'\\\\M';
                                                                $sSQL = "select place_id from placex where parent_place_id in (".$sPlaceIDs.") and transliteration(housenumber) ~* E'".$sHouseNumberRegex."'";
                                                                if (sizeof($this->aExcludePlaceIDs))
                                                                }
                                                                $sSQL .= " limit $this->iLimit";
                                                                if (CONST_Debug) var_dump($sSQL);
-                                                               $aPlaceIDs = $this->oDB->getCol($sSQL);
+                                                               $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
+                                                               
+                                                               // if nothing found, search in the interpolation line table
+                                                               if(!sizeof($aPlaceIDs))
+                                                               {
+                                                                       // do we need to use transliteration and the regex for housenumbers???
+                                                                       //new query for lines, not housenumbers anymore
+                                                                       if($searchedHousenumber%2 == 0){
+                                                                               //if housenumber is even, look for housenumber in streets with interpolationtype even or all
+                                                                               $sSQL = "select distinct place_id from location_property_osmline where parent_place_id in (".$sPlaceIDs.") and (interpolationtype='even' or interpolationtype='all') and ".$searchedHousenumber.">=startnumber and ".$searchedHousenumber."<=endnumber";
+                                                                       }else{
+                                                                               //look for housenumber in streets with interpolationtype odd or all
+                                                                               $sSQL = "select distinct place_id from location_property_osmline where parent_place_id in (".$sPlaceIDs.") and (interpolationtype='odd' or interpolationtype='all') and ".$searchedHousenumber.">=startnumber and ".$searchedHousenumber."<=endnumber";
+                                                                       }
 
+                                                                       if (sizeof($this->aExcludePlaceIDs))
+                                                                       {
+                                                                               $sSQL .= " and place_id not in (".join(',', $this->aExcludePlaceIDs).")";
+                                                                       }
+                                                                       //$sSQL .= " limit $this->iLimit";
+                                                                       if (CONST_Debug) var_dump($sSQL);
+                                                                       //get place IDs
+                                                                       $aPlaceIDs = chksql($this->oDB->getCol($sSQL, 0));
+                                                               }
+                                                                       
                                                                // If nothing found try the aux fallback table
                                                                if (CONST_Use_Aux_Location_data && !sizeof($aPlaceIDs))
                                                                {
                                                                        $sSQL = "select place_id from location_property_aux where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
                                                                        if (sizeof($this->aExcludePlaceIDs))
                                                                        {
-                                                                               $sSQL .= " and place_id not in (".join(',',$this->aExcludePlaceIDs).")";
+                                                                               $sSQL .= " and parent_place_id not in (".join(',',$this->aExcludePlaceIDs).")";
                                                                        }
                                                                        //$sSQL .= " limit $this->iLimit";
                                                                        if (CONST_Debug) var_dump($sSQL);
-                                                                       $aPlaceIDs = $this->oDB->getCol($sSQL);
+                                                                       $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
                                                                }
+
                                                                //if nothing was found in placex or location_property_aux, then search in Tiger data for this housenumber(location_property_tiger)
-                                                               $searchedHousenumber = intval($aSearch['sHouseNumber']);
                                                                if (CONST_Use_US_Tiger_Data && !sizeof($aPlaceIDs))
                                                                {
                                                                        //new query for lines, not housenumbers anymore
                                                                        //$sSQL .= " limit $this->iLimit";
                                                                        if (CONST_Debug) var_dump($sSQL);
                                                                        //get place IDs
-                                                                       $aPlaceIDs = $this->oDB->getCol($sSQL, 0);
+                                                                       $aPlaceIDs = chksql($this->oDB->getCol($sSQL, 0));
                                                                }
 
                                                                // Fallback to the road (if no housenumber was found)
                                                                        //set to -1, if no housenumbers were found
                                                                        $searchedHousenumber = -1;
                                                                }
-                                //else: housenumber was found, remains saved in searchedHousenumber
+                                                               //else: housenumber was found, remains saved in searchedHousenumber
                                                        }
 
 
                                                                        if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
                                                                        $sSQL .= " order by rank_search asc limit $this->iLimit";
                                                                        if (CONST_Debug) var_dump($sSQL);
-                                                                       $aClassPlaceIDs = $this->oDB->getCol($sSQL);
+                                                                       $aClassPlaceIDs = chksql($this->oDB->getCol($sSQL));
                                                                }
 
                                                                if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
                                                                {
                                                                        $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
-                                                                       $bCacheTable = $this->oDB->getOne($sSQL);
+                                                                       $bCacheTable = chksql($this->oDB->getOne($sSQL));
 
                                                                        $sSQL = "select min(rank_search) from placex where place_id in ($sPlaceIDs)";
 
                                                                        if (CONST_Debug) var_dump($sSQL);
-                                                                       $this->iMaxRank = ((int)$this->oDB->getOne($sSQL));
+                                                                       $this->iMaxRank = ((int)chksql($this->oDB->getOne($sSQL)));
 
                                                                        // For state / country level searches the normal radius search doesn't work very well
                                                                        $sPlaceGeom = false;
                                                                                // Try and get a polygon to search in instead
                                                                                $sSQL = "select geometry from placex where place_id in ($sPlaceIDs) and rank_search < $this->iMaxRank + 5 and st_geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon') order by rank_search asc limit 1";
                                                                                if (CONST_Debug) var_dump($sSQL);
-                                                                               $sPlaceGeom = $this->oDB->getOne($sSQL);
+                                                                               $sPlaceGeom = chksql($this->oDB->getOne($sSQL));
                                                                        }
 
                                                                        if ($sPlaceGeom)
                                                                                $this->iMaxRank += 5;
                                                                                $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $this->iMaxRank";
                                                                                if (CONST_Debug) var_dump($sSQL);
-                                                                               $aPlaceIDs = $this->oDB->getCol($sSQL);
+                                                                               $aPlaceIDs = chksql($this->oDB->getCol($sSQL));
                                                                                $sPlaceIDs = join(',',$aPlaceIDs);
                                                                        }
 
                                                                                        if ($this->iOffset) $sSQL .= " offset $this->iOffset";
                                                                                        $sSQL .= " limit $this->iLimit";
                                                                                        if (CONST_Debug) var_dump($sSQL);
-                                                                                       $aClassPlaceIDs = array_merge($aClassPlaceIDs, $this->oDB->getCol($sSQL));
+                                                                                       $aClassPlaceIDs = array_merge($aClassPlaceIDs, chksql($this->oDB->getCol($sSQL)));
                                                                                }
                                                                                else
                                                                                {
                                                                                        if ($this->iOffset) $sSQL .= " offset $this->iOffset";
                                                                                        $sSQL .= " limit $this->iLimit";
                                                                                        if (CONST_Debug) var_dump($sSQL);
-                                                                                       $aClassPlaceIDs = array_merge($aClassPlaceIDs, $this->oDB->getCol($sSQL));
+                                                                                       $aClassPlaceIDs = array_merge($aClassPlaceIDs, chksql($this->oDB->getCol($sSQL)));
                                                                                }
                                                                        }
                                                                }
                                        {
                                                // Need to verify passes rank limits before dropping out of the loop (yuk!)
                                                // reduces the number of place ids, like a filter
+                                               // rank_address is 30 for interpolated housenumbers
                                                $sSQL = "select place_id from placex where place_id in (".join(',',array_keys($aResultPlaceIDs)).") ";
                                                $sSQL .= "and (placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
                                                if (14 >= $this->iMinAddressRank && 14 <= $this->iMaxAddressRank) $sSQL .= " OR (extratags->'place') = 'city'";
                                                        $sSQL .= "and (30 between $this->iMinAddressRank and $this->iMaxAddressRank ";
                                                        if ($this->aAddressRankList) $sSQL .= " OR 30 in (".join(',',$this->aAddressRankList).")";
                                                }
-                                               $sSQL .= ")";
+                                               $sSQL .= ") UNION select place_id from location_property_osmline where place_id in (".join(',',array_keys($aResultPlaceIDs)).")";
+                                               $sSQL .= " and (30 between $this->iMinAddressRank and $this->iMaxAddressRank)";
                                                if (CONST_Debug) var_dump($sSQL);
-                                               $aFilteredPlaceIDs = $this->oDB->getCol($sSQL);
+                                               $aFilteredPlaceIDs = chksql($this->oDB->getCol($sSQL));
                                                $tempIDs = array();
                                                foreach($aFilteredPlaceIDs as $placeID)
-                        {
+                                               {
                                                        $tempIDs[$placeID] = $aResultPlaceIDs[$placeID];  //assign housenumber to placeID
                                                }
                                                $aResultPlaceIDs = $tempIDs;