move country search term creation into setup script

Search results can become odd without the country search
terms, so make their inclusion a mandatory part of the
setup.

Also adds a new configuration variable to restrict the
languages taken into account by Nominatim.

docs/Import_and_update.md

@@ -67,10 +67,8 @@ avoid swapping, never give more than 2/3 of RAM to osm2pgsql.
 Loading additional datasets
 ---------------------------
 
-The following commands will create additional entries for countries and POI searches:
+The following commands will create additional entries for POI searches:
 
-    ./utils/specialphrases.php --countries > specialphrases_countries.sql
-    psql -d nominatim -f specialphrases_countries.sql
     ./utils/specialphrases.php --wiki-import > specialphrases.sql
     psql -d nominatim -f specialphrases.sql
 

settings/defaults.php

@@ -11,6 +11,13 @@
 @define('CONST_Database_Web_User', 'www-data');
 @define('CONST_Max_Word_Frequency', '50000');
 @define('CONST_Limit_Reindexing', true);
+// Restrict search languages.
+// Normally Nominatim will include all language variants of name:XX
+// in the search index. Set this to a comma separated list of language
+// codes, to restrict import to a subset of languages.
+// Currently only affects the import of country names and special phrases.
+@define('CONST_Languages', false);
+
 // Set to false to avoid importing extra postcodes for the US.
 @define('CONST_Use_Extra_US_Postcodes', true);
 /* Set to true after importing Tiger house number data for the US.

settings/phrase_settings.php

@@ -2,42 +2,6 @@
 
 // These settings control the import of special phrases from the wiki.
 
-// Languages to download the special phrases for.
-$aLanguageIn
- = array(
-    'af',
-    'ar',
-    'br',
-    'ca',
-    'cs',
-    'de',
-    'en',
-    'es',
-    'et',
-    'eu',
-    'fa',
-    'fi',
-    'fr',
-    'gl',
-    'hr',
-    'hu',
-    'ia',
-    'is',
-    'it',
-    'ja',
-    'mk',
-    'nl',
-    'no',
-    'pl',
-    'ps',
-    'pt',
-    'ru',
-    'sk',
-    'sv',
-    'uk',
-    'vi',
-   );
-
 // class/type combinations to exclude
 $aTagsBlacklist
  = array(

utils/setup.php

@@ -38,6 +38,7 @@
    array('index', '', 0, 1, 0, 0, 'bool', 'Index the data'),
    array('index-noanalyse', '', 0, 1, 0, 0, 'bool', 'Do not perform analyse operations during index (EXPERT)'),
    array('create-search-indices', '', 0, 1, 0, 0, 'bool', 'Create additional indices required for search and update'),
+   array('create-country-names', '', 0, 1, 0, 0, 'bool', 'Create default list of searchable country names'),
    array('drop', '', 0, 1, 0, 0, 'bool', 'Drop tables needed for updates, making the database readonly (EXPERIMENTAL)'),
   );
 getCmdOpt($_SERVER['argv'], $aCMDOptions, $aCMDResult, true, true);
@@ -590,6 +591,32 @@
     pgsqlRunScript($sTemplate);
 }
 
+if ($aCMDResult['create-country-names'] || $aCMDResult['all']) {
+    echo 'Creating search index for default country names';
+    $bDidSomething = true;
+
+    pgsqlRunScript("select getorcreate_country(make_standard_name('uk'), 'gb')");
+    pgsqlRunScript("select getorcreate_country(make_standard_name('united states'), 'us')");
+    pgsqlRunScript("select count(*) from (select getorcreate_country(make_standard_name(country_code), country_code) from country_name where country_code is not null) as x");
+    pgsqlRunScript("select count(*) from (select getorcreate_country(make_standard_name(name->'name'), country_code) from country_name where name ? 'name') as x");
+
+    $sSQL = 'select count(*) from (select getorcreate_country(make_standard_name(v), country_code) from (select country_code, skeys(name) as k, svals(name) as v from country_name) x where k ';
+    if (CONST_Languages) {
+        $sSQL .= 'in ';
+        $sDelim = '(';
+        foreach (explode(',', CONST_Languages) as $sLang) {
+            $sSQL .= $sDelim."'name:$sLang'";
+            $sDelim = ',';
+        }
+        $sSQL .= ')';
+    } else {
+        // all include all simple name tags
+        $sSQL .= "like 'name:%'";
+    }
+    $sSQL .= ') v';
+    pgsqlRunScript($sSQL);
+}
+
 if ($aCMDResult['drop']) {
     // The implementation is potentially a bit dangerous because it uses
     // a positive selection of tables to keep, and deletes everything else.

utils/specialphrases.php

@@ -12,29 +12,20 @@
    array('help', 'h', 0, 1, 0, 0, false, 'Show Help'),
    array('quiet', 'q', 0, 1, 0, 0, 'bool', 'Quiet output'),
    array('verbose', 'v', 0, 1, 0, 0, 'bool', 'Verbose output'),
-   array('countries', '', 0, 1, 0, 0, 'bool', 'Create import script for country codes and names'),
    array('wiki-import', '', 0, 1, 0, 0, 'bool', 'Create import script for search phrases '),
   );
 getCmdOpt($_SERVER['argv'], $aCMDOptions, $aCMDResult, true, true);
 
 include(CONST_InstallPath.'/settings/phrase_settings.php');
 
-
-if ($aCMDResult['countries']) {
-    echo "select getorcreate_country(make_standard_name('uk'), 'gb');\n";
-    echo "select getorcreate_country(make_standard_name('united states'), 'us');\n";
-    echo "select count(*) from (select getorcreate_country(make_standard_name(country_code), country_code) from country_name where country_code is not null) as x;\n";
-
-    echo "select count(*) from (select getorcreate_country(make_standard_name(get_name_by_language(country_name.name,ARRAY['name'])), country_code) from country_name where get_name_by_language(country_name.name, ARRAY['name']) is not null) as x;\n";
-    foreach ($aLanguageIn as $sLanguage) {
-        echo "select count(*) from (select getorcreate_country(make_standard_name(get_name_by_language(country_name.name,ARRAY['name:".$sLanguage."'])), country_code) from country_name where get_name_by_language(country_name.name, ARRAY['name:".$sLanguage."']) is not null) as x;\n";
-    }
-}
-
 if ($aCMDResult['wiki-import']) {
     $aPairs = array();
 
-    foreach ($aLanguageIn as $sLanguage) {
+    $sLanguageIn = CONST_Languages ? CONST_Languages :
+        ('af,ar,br,ca,cs,de,en,es,et,eu,fa,fi,fr,gl,hr,hu,'.
+         'ia,is,it,ja,mk,nl,no,pl,ps,pt,ru,sk,sl,sv,uk,vi');
+
+    foreach (explode(',', $sLanguageIn) as $sLanguage) {
         $sURL = 'http://wiki.openstreetmap.org/wiki/Special:Export/Nominatim/Special_Phrases/'.strtoupper($sLanguage);
         $sWikiPageXML = file_get_contents($sURL);
         if (preg_match_all('#\\| ([^|]+) \\|\\| ([^|]+) \\|\\| ([^|]+) \\|\\| ([^|]+) \\|\\| ([\\-YN])#', $sWikiPageXML, $aMatches, PREG_SET_ORDER)) {