FIX Implement correct namespace for PostgreSQL and add to Travis matrix

.travis.yml

@@ -9,7 +9,7 @@ matrix:
     - php: 5.6
       env: DB=MYSQL PHPCS_TEST=1 PHPUNIT_TEST=1
     - php: 7.0
-      env: DB=MYSQL PHPUNIT_TEST=1
+      env: DB=PGSQL PHPUNIT_TEST=1
     - php: 7.1
       env: DB=MYSQL PHPUNIT_COVERAGE_TEST=1
     - php: 7.1
@@ -24,6 +24,7 @@ before_script:
   - composer validate
   - composer require --no-update symbiote/silverstripe-queuedjobs ^4.0
   - if [[ $SUBSITES ]]; then composer require --no-update silverstripe/subsites 2.0.x-dev; fi
+  - if [[ $DB == "PGSQL" ]]; then composer require --no-update silverstripe/postgresql 2.0.x-dev; fi
   - composer require --no-update silverstripe/installer 4.0.x-dev
   - composer install --prefer-dist --no-interaction --no-progress --no-suggest --optimize-autoloader --verbose --profile
 

src/Search/Captures/SearchManipulateCapture_PostgreSQLDatabase.php

@@ -5,13 +5,12 @@ namespace SilverStripe\FullTextSearch\Captures;
 use SilverStripe\PostgreSQL\PostgreSQLDatabase;
 use SilverStripe\FullTextSearch\Search\Updaters\SearchUpdater;
 
-if (!class_exists('PostgreSQLDatabase')) {
+if (!class_exists(PostgreSQLDatabase::class)) {
     return;
 }
 
 class SearchManipulateCapture_PostgreSQLDatabase extends PostgreSQLDatabase
 {
-
     public $isManipulationCapture = true;
 
     public function manipulate($manipulation)

src/Search/Updaters/SearchUpdater.php

@@ -5,6 +5,7 @@ namespace SilverStripe\FullTextSearch\Search\Updaters;
 use SilverStripe\Core\Config\Configurable;
 use SilverStripe\Core\Injector\Injector;
 use SilverStripe\Dev\SapphireTest;
+use SilverStripe\ORM\Connect\Database;
 use SilverStripe\ORM\DataObject;
 use SilverStripe\ORM\DB;
 use SilverStripe\FullTextSearch\Search\FullTextSearch;
@@ -43,10 +44,7 @@ class SearchUpdater
      */
     public static function bind_manipulation_capture()
     {
-        global $databaseConfig;
-
         $current = DB::get_conn();
-
         if (!$current || !$current->getSelectedDatabase() || @$current->isManipulationCapture) {
             return;
         } // If not yet set, or its already captured, just return
@@ -59,8 +57,8 @@ class SearchUpdater
             return;
         }
 
-        /** @var SS_Database $captured */
-        $captured = new $dbClass($databaseConfig);
+        /** @var Database $captured */
+        $captured = new $dbClass();
 
         $captured->setConnector($current->getConnector());
         $captured->setQueryBuilder($current->getQueryBuilder());