reintroduce cutoffs when searching for very frequent words

[nominatim.git] / lib-php / Result.php

diff --git a/lib-php/Result.php b/lib-php/Result.php
index a67c2fe474910a20356ac05edafdac68e3168c17..4b244d1d2d888508e6310a99cd57a95be96e4482 100644 (file)
--- a/lib-php/Result.php
+++ b/lib-php/Result.php
@@ -1,4 +1,12 @@
 <?php
+/**
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This file is part of Nominatim. (https://nominatim.org)
+ *
+ * Copyright (C) 2022 by the Nominatim developer community.
+ * For a full list of authors see the git log.
+ */
 
 namespace Nominatim;
 
@@ -13,8 +21,7 @@ class Result
     const TABLE_PLACEX = 0;
     const TABLE_POSTCODE = 1;
     const TABLE_OSMLINE = 2;
-    const TABLE_AUX = 3;
-    const TABLE_TIGER = 4;
+    const TABLE_TIGER = 3;
 
     /// Database table that contains the result.
     public $iTable;
@@ -26,6 +33,8 @@ class Result
     public $iExactMatches = 0;
     /// Subranking within the results (the higher the worse).
     public $iResultRank = 0;
+    /// Address rank of the result.
+    public $iAddressRank;
 
     public function debugInfo()
     {
@@ -54,6 +63,27 @@ class Result
             }
         )));
     }
+
+    public static function joinIdsByTableMinRank($aResults, $iTable, $iMinAddressRank)
+    {
+        return join(',', array_keys(array_filter(
+            $aResults,
+            function ($aValue) use ($iTable, $iMinAddressRank) {
+                return $aValue->iTable == $iTable && $aValue->iAddressRank >= $iMinAddressRank;
+            }
+        )));
+    }
+
+    public static function joinIdsByTableMaxRank($aResults, $iTable, $iMaxAddressRank)
+    {
+        return join(',', array_keys(array_filter(
+            $aResults,
+            function ($aValue) use ($iTable, $iMaxAddressRank) {
+                return $aValue->iTable == $iTable && $aValue->iAddressRank <= $iMaxAddressRank;
+            }
+        )));
+    }
+
     public static function sqlHouseNumberTable($aResults, $iTable)
     {
         $sHousenumbers = '';
@@ -84,7 +114,7 @@ class Result
 
         foreach ($aResults as $oRes) {
             if ($oRes->iResultRank < $iMinRank) {
-                $aTail = array_merge($aTail, $aHead);
+                $aTail += $aHead;
                 $aHead = array($oRes->iId => $oRes);
                 $iMinRank = $oRes->iResultRank;
             } elseif ($oRes->iResultRank == $iMinRank) {