1 files changed, 18 insertions, 3 deletions
diff --git a/src/sql/drivers/mysql/qsql_mysql.cpp b/src/sql/drivers/mysql/qsql_mysql.cpp
index 9b57f3c..1f54db7 100644
--- a/src/sql/drivers/mysql/qsql_mysql.cpp
+++ b/src/sql/drivers/mysql/qsql_mysql.cpp
@@ -224,7 +224,7 @@ static QTextCodec* codec(MYSQL* mysql)
 static QSqlError qMakeError(const QString& err, QSqlError::ErrorType type,
                             const QMYSQLDriverPrivate* p)
 {
-    const char *cerr = mysql_error(p->mysql);
+    const char *cerr = p->mysql ? mysql_error(p->mysql) : 0;
     return QSqlError(QLatin1String("QMYSQL: ") + err,
                      p->tc ? toUnicode(p->tc, cerr) : QString::fromLatin1(cerr),
                      type, mysql_errno(p->mysql));
@@ -1314,7 +1314,7 @@ QSqlIndex QMYSQLDriver::primaryIndex(const QString& tablename) const
     QSqlQuery i(createResult());
     QString stmt(QLatin1String("show index from %1;"));
     QSqlRecord fil = record(tablename);
-    i.exec(stmt.arg(escapeIdentifier(tablename, QSqlDriver::TableName)));
+    i.exec(stmt.arg(tablename));
     while (i.isActive() && i.next()) {
         if (i.value(2).toString() == QLatin1String("PRIMARY")) {
             idx.append(fil.field(i.value(4).toString()));
@@ -1329,10 +1329,14 @@ QSqlIndex QMYSQLDriver::primaryIndex(const QString& tablename) const
 
 QSqlRecord QMYSQLDriver::record(const QString& tablename) const
 {
+    QString table=tablename;
+    if(isIdentifierEscaped(table, QSqlDriver::TableName))
+        table = stripDelimiters(table, QSqlDriver::TableName);
+
     QSqlRecord info;
     if (!isOpen())
         return info;
-    MYSQL_RES* r = mysql_list_fields(d->mysql, tablename.toLocal8Bit().constData(), 0);
+    MYSQL_RES* r = mysql_list_fields(d->mysql, table.toLocal8Bit().constData(), 0);
     if (!r) {
         return info;
     }
@@ -1443,4 +1447,15 @@ QString QMYSQLDriver::escapeIdentifier(const QString &identifier, IdentifierType
     return res;
 }
 
+bool QMYSQLDriver::isIdentifierEscapedImplementation(const QString &identifier, IdentifierType type) const
+{
+    Q_UNUSED(type);
+    bool isLeftDelimited = (identifier.left(1) == QString(QLatin1Char('`')));
+    bool isRightDelimited = (identifier.right(1) == QString(QLatin1Char('`')));
+    if( identifier.size() > 2 && isLeftDelimited && isRightDelimited )
+        return true;
+    else
+        return false;
+}
+
 QT_END_NAMESPACE