PDO exception fix

gistfile1.diff

diff --git a/hphp/runtime/ext/pdo_driver.cpp b/hphp/runtime/ext/pdo_driver.cpp
index 8ed0a16..a208793 100644
--- a/hphp/runtime/ext/pdo_driver.cpp
+++ b/hphp/runtime/ext/pdo_driver.cpp
@@ -18,6 +18,7 @@
 #include "hphp/runtime/ext/pdo_driver.h"
 #include "hphp/runtime/ext/pdo_sqlite.h"
 #include "hphp/runtime/ext/pdo_mysql.h"
 #include "hphp/runtime/ext/std/ext_std_variable.h"

 namespace HPHP {
@@ -29,6 +30,9 @@ PDODriverMap PDODriver::s_drivers;
 // We will have to list them all here for proper static initialization.
 static PDOSqlite s_sqlite_driver;
 static PDOMySql s_mysql_driver;
+
+const StaticString s_general_error_code("HY000");

 PDODriver::PDODriver(const char *name) : m_name(name) {
   s_drivers[name] = this;
@@ -49,7 +53,12 @@ PDOConnection *PDODriver::createConnection(const String& datasource,
   }

   if (!conn->create(options)) {
+    Array err;
+    bool hasError = conn->fetchErr(nullptr, err);
     delete conn;
+    if (hasError && !err.empty()) {
+      throw_pdo_exception(s_general_error_code, uninit_null(), "[%ld]: %s", err[0].toInt64(), err[1].toString().data());
+    }
     return NULL;
   }
   return conn;