reduce max term splits

[nominatim.git] / lib / lib.php

diff --git a/lib/lib.php b/lib/lib.php
index 62ffa29368cd067973c67517efd148201449a143..cac95d845df136f7e844c80b6dc6c64263c1472e 100644 (file)
--- a/lib/lib.php
+++ b/lib/lib.php
@@ -138,7 +138,7 @@
                                arsort($aLanguages);
                        }
                }
-               if (!sizeof($aLanguages)) $aLanguages = array(CONST_Default_Language=>1);
+               if (!sizeof($aLanguages) && CONST_Default_Language) $aLanguages = array(CONST_Default_Language=>1);
                foreach($aLanguages as $sLangauge => $fLangauagePref)
                {
                        $aLangPrefOrder['short_name:'.$sLangauge] = 'short_name:'.$sLangauge;
@@ -165,18 +165,20 @@
        }
 
 
-       function getWordSets($aWords)
+       function getWordSets($aWords, $iDepth)
        {
                $aResult = array(array(join(' ',$aWords)));
                $sFirstToken = '';
-               while(sizeof($aWords) > 1)
-               {
-                       $sWord = array_shift($aWords);
-                       $sFirstToken .= ($sFirstToken?' ':'').$sWord;
-                       $aRest = getWordSets($aWords);
-                       foreach($aRest as $aSet)
+               if ($iDepth < 7) {
+                       while(sizeof($aWords) > 1)
                        {
-                               $aResult[] = array_merge(array($sFirstToken),$aSet);
+                               $sWord = array_shift($aWords);
+                               $sFirstToken .= ($sFirstToken?' ':'').$sWord;
+                               $aRest = getWordSets($aWords, $iDepth+1);
+                               foreach($aRest as $aSet)
+                               {
+                                       $aResult[] = array_merge(array($sFirstToken),$aSet);
+                               }
                        }
                }
                return $aResult;
@@ -783,20 +785,6 @@
        }
 
 
-       function getWordSuggestions(&$oDB, $sWord)
-       {
-               $sWordQuoted = getDBQuoted(trim($sWord));
-               $sSQL = "select *,levenshtein($sWordQuoted,word) from test_token ";
-               $sSQL .= "where (metaphone = dmetaphone($sWordQuoted) or metaphonealt = dmetaphone($sWordQuoted) or ";
-               $sSQL .= "metaphone = dmetaphone_alt($sWordQuoted) or metaphonealt = dmetaphone_alt($sWordQuoted)) ";
-               $sSQL .= "and len between length($sWordQuoted)-2 and length($sWordQuoted)+2 ";
-               $sSQL .= "and levenshtein($sWordQuoted,word) < 3 ";
-               $sSQL .= "order by levenshtein($sWordQuoted,word) asc, abs(len - length($sWordQuoted)) asc limit 20";
-               $aSimilar = $oDB->getAll($sSQL);
-               return $aSimilar;
-       }
-
-
        function geocodeReverse($fLat, $fLon, $iZoom=18)
        {
                $oDB =& getDB();