/// <exception cref="Java.Sql.SQLException"/>
public static bool ExistsTable(string tablename)
{
if (existingTablenames == null)
{
existingTablenames = new HashSet <string>();
IDatabaseMetaData md = connection.GetMetaData();
IResultSet rs = md.GetTables(null, null, "%", null);
while (rs.Next())
{
existingTablenames.Add(rs.GetString(3).ToLower());
}
}
return(existingTablenames.Contains(tablename.ToLower()));
}
// /**
// * not yet supported if backed by DB
// * @return
// */
// public Set<Map.Entry<String, Map<Integer, Set<Integer>>>> entrySet() {
// if(!useDBForTokenPatterns)
// return patternsForEachToken.entrySet();
// else
// //not yet supported if backed by DB
// throw new UnsupportedOperationException();
// }
public virtual bool DBTableExists()
{
try
{
IConnection conn = null;
conn = SQLConnection.GetConnection();
IDatabaseMetaData dbm = conn.GetMetaData();
IResultSet tables = dbm.GetTables(null, null, tableName, null);
if (tables.Next())
{
System.Console.Out.WriteLine("Found table " + tableName);
conn.Close();
return(true);
}
conn.Close();
return(false);
}
catch (SQLException e)
{
throw new Exception(e);
}
}
