Fix ILIKE without wildcards for oracle

lib/private/db/adapteroci8.php

@@ -21,7 +21,7 @@ class AdapterOCI8 extends Adapter {
 	const UNIX_TIMESTAMP_REPLACEMENT = "(cast(sys_extract_utc(systimestamp) as date) - date'1970-01-01') * 86400";
 
 	public function fixupStatement($statement) {
-		$statement = preg_replace('/`(\w+)` ILIKE \?/', 'REGEXP_LIKE(`$1`, TRIM(BOTH \'%\' FROM ?), \'i\')', $statement);
+		$statement = preg_replace('/`(\w+)` ILIKE \?/', 'REGEXP_LIKE(`$1`, \'^\' || REPLACE(?, \'%\', \'.*\') || \'$\', \'i\')', $statement);
 		$statement = str_replace('`', '"', $statement);
 		$statement = str_ireplace('NOW()', 'CURRENT_TIMESTAMP', $statement);
 		$statement = str_ireplace('UNIX_TIMESTAMP()', self::UNIX_TIMESTAMP_REPLACEMENT, $statement);

tests/lib/db.php

@@ -282,6 +282,10 @@ class Test_DB extends PHPUnit_Framework_TestCase {
 		$query = OC_DB::prepare("SELECT * FROM `$table` WHERE `fullname` ILIKE ?");
 		$result = $query->execute(array('foobar'));
 		$this->assertCount(1, $result->fetchAll());
+
+		$query = OC_DB::prepare("SELECT * FROM `$table` WHERE `fullname` ILIKE ?");
+		$result = $query->execute(array('foo'));
+		$this->assertCount(0, $result->fetchAll());
 	}
 
 	public function testILIKEWildcard() {