Improve DB version() implementation and add pg_version() support
diff --git a/system/database/drivers/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php
index 51e814e..f4bd9e2 100644
--- a/system/database/drivers/interbase/interbase_driver.php
+++ b/system/database/drivers/interbase/interbase_driver.php
@@ -115,19 +115,24 @@
// --------------------------------------------------------------------
/**
- * Version number query string
+ * Database version number
*
* @return string
*/
- protected function _version()
+ public function version()
{
+ if (isset($this->data_cache['version']))
+ {
+ return $this->data_cache['version'];
+ }
+
if (($service = ibase_service_attach($this->hostname, $this->username, $this->password)))
{
- $version = ibase_server_info($service, IBASE_SVC_SERVER_VERSION);
+ $this->data_cache['version'] = ibase_server_info($service, IBASE_SVC_SERVER_VERSION);
// Don't keep the service open
ibase_service_detach($service);
- return $version;
+ return $this->data_cache['version'];
}
return FALSE;
@@ -581,7 +586,7 @@
$orig_sql = $sql;
// Limit clause depends on if Interbase or Firebird
- if (stripos($this->_version(), 'firebird') !== FALSE)
+ if (stripos($this->version(), 'firebird') !== FALSE)
{
$sql = 'FIRST '. (int) $limit;