X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/cc3e4aa532559b5c8948152fb6d4ab68da22fe28..a723b942915a2f59bfc2c4d2e701ad720530627e:/website/search.php

diff --git a/website/search.php b/website/search.php
index d0b183ea..08c2eee0 100755
--- a/website/search.php
+++ b/website/search.php
@@ -17,10 +17,11 @@
 	$sSuggestion = $sSuggestionURL = false;
 	$bDeDupe = isset($_GET['dedupe'])?(bool)$_GET['dedupe']:true;
 	$bReverseInPlan = false;
-	$iLimit = isset($_GET['limit'])?(int)$_GET['limit']:10;
+	$iFinalLimit = isset($_GET['limit'])?(int)$_GET['limit']:10;
 	$iOffset = isset($_GET['offset'])?(int)$_GET['offset']:0;
 	$iMaxRank = 20;
-	if ($iLimit > 100) $iLimit = 100;
+	if ($iFinalLimit > 50) $iFinalLimit = 50;
+    $iLimit = $iFinalLimit + min($iFinalLimit, 10);
 	$iMinAddressRank = 0;
 	$iMaxAddressRank = 30;
 
@@ -727,6 +728,42 @@
 					}
 				}
 
+				if (CONST_Search_TryDroppedAddressTerms && sizeof($aStructuredQuery) > 0)
+				{
+					$aCopyGroupedSearches = $aGroupedSearches;
+					foreach($aCopyGroupedSearches as $iGroup => $aSearches)
+					{
+						foreach($aSearches as $iSearch => $aSearch)
+						{
+							$aReductionsList = array($aSearch['aAddress']);
+							$iSearchRank = $aSearch['iSearchRank'];
+							while(sizeof($aReductionsList) > 0)
+							{
+								$iSearchRank += 5;
+								if ($iSearchRank > iMaxRank) break 3;
+								$aNewReductionsList = array();
+								foreach($aReductionsList as $aReductionsWordList)
+								{
+									for ($iReductionWord = 0; $iReductionWord < sizeof($aReductionsWordList); $iReductionWord++)
+									{
+										$aReductionsWordListResult = array_merge(array_slice($aReductionsWordList, 0, $iReductionWord), array_slice($aReductionsWordList, $iReductionWord+1));
+										$aReverseSearch = $aSearch;
+										$aSearch['aAddress'] = $aReductionsWordListResult;
+										$aSearch['iSearchRank'] = $iSearchRank;
+										$aGroupedSearches[$iSearchRank][] = $aReverseSearch;
+										if (sizeof($aReductionsWordListResult) > 0)
+										{
+											$aNewReductionsList[] = $aReductionsWordListResult;
+										}
+									}
+								}
+								$aReductionsList = $aNewReductionsList;
+							}
+						}
+					}
+					ksort($aGroupedSearches);
+				}
+
 				// Filter out duplicate searches
 				$aSearchHash = array();
 				foreach($aGroupedSearches as $iGroup => $aSearches)
@@ -760,7 +797,7 @@
 						// Must have a location term
 						if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['fLon'])
 						{
-							if ($aSearch['sCountryCode'] && !$aSearch['sClass'])
+							if ($aSearch['sCountryCode'] && !$aSearch['sClass'] && !$aSearch['sHouseNumber'])
 							{
 								if (4 >= $iMinAddressRank && 4 <= $iMaxAddressRank)
 								{
@@ -864,7 +901,7 @@
 								else
 									$sSQL .= " limit ".$iLimit;
 
-								if (CONST_Debug) var_dump($sSQL);
+								if (CONST_Debug) { var_dump($sSQL); }
 								$aViewBoxPlaceIDs = $oDB->getAll($sSQL);
 								if (PEAR::IsError($aViewBoxPlaceIDs))
 								{
@@ -939,7 +976,7 @@
 							{
 								$sPlaceIDs = join(',',$aPlaceIDs);
 
-								$aResultPlaceIDs = array();
+								$aClassPlaceIDs = array();
 
 								if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name')
 								{
@@ -949,7 +986,7 @@
 									if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";								
 									$sSQL .= " order by rank_search asc limit $iLimit";
 									if (CONST_Debug) var_dump($sSQL);
-									$aResultPlaceIDs = $oDB->getCol($sSQL);
+									$aClassPlaceIDs = $oDB->getCol($sSQL);
 								}
 								
 								if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
@@ -967,9 +1004,9 @@
 									if ($iMaxRank < 9 && $bCacheTable)
 									{
 										// Try and get a polygon to search in instead
-	$sSQL = "select geometry from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank + 5 and st_geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon') order by rank_search asc limit 1";
-	if (CONST_Debug) var_dump($sSQL);
-	$sPlaceGeom = $oDB->getOne($sSQL);
+										$sSQL = "select geometry from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank + 5 and st_geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon') order by rank_search asc limit 1";
+										if (CONST_Debug) var_dump($sSQL);
+										$sPlaceGeom = $oDB->getOne($sSQL);
 									}
 									
 									if ($sPlaceGeom)
@@ -1020,7 +1057,7 @@
 										if ($iOffset) $sSQL .= " offset $iOffset";
 										$sSQL .= " limit $iLimit";
 										if (CONST_Debug) var_dump($sSQL);
-										$aResultPlaceIDs = array_merge($aResultPlaceIDs, $oDB->getCol($sSQL));
+										$aClassPlaceIDs = array_merge($aClassPlaceIDs, $oDB->getCol($sSQL));
 									}
 									else
 									{
@@ -1042,12 +1079,12 @@
 										if ($iOffset) $sSQL .= " offset $iOffset";
 										$sSQL .= " limit $iLimit";
 										if (CONST_Debug) var_dump($sSQL);
-										$aResultPlaceIDs = array_merge($aResultPlaceIDs, $oDB->getCol($sSQL));
+										$aClassPlaceIDs = array_merge($aClassPlaceIDs, $oDB->getCol($sSQL));
 									}
 									}
 								}
 
-								$aPlaceIDs = $aResultPlaceIDs;
+								$aPlaceIDs = $aClassPlaceIDs;
 
 							}
 						
@@ -1066,6 +1103,7 @@
 						}
 						if ($iQueryLoop > 20) break;
 					}
+
 					//exit;
 					if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs)) break;
 					if ($iGroupLoop > 4) break;
@@ -1417,7 +1455,7 @@
 		}
 
 		// Absolute limit on number of results
-		if (sizeof($aSearchResults) >= $iLimit) break;
+		if (sizeof($aSearchResults) >= $iFinalLimit) break;
 	}
 
 	$sDataDate = $oDB->getOne("select TO_CHAR(lastimportdate - '1 day'::interval,'YYYY/MM/DD') from import_status limit 1");