@Override
    public ResultSet getSchemas() throws SQLException
    {
        checkClosed();
        VoltTable vtable = new VoltTable(
                new ColumnInfo("TABLE_SCHEM", VoltType.STRING),
                new ColumnInfo("TABLE_CATALOG", VoltType.STRING));
        JDBC4ResultSet res = new JDBC4ResultSet(this.sysCatalog, vtable);
        return res;
    }
@ Override public ResultSet getSchemas ( ) throws SQLException { checkClosed ( ) ; VoltTable vtable = new VoltTable ( new ColumnInfo ( "TABLE_SCHEM" , VoltType . STRING ) , new ColumnInfo ( "TABLE_CATALOG" , VoltType . STRING ) ) ; JDBC4ResultSet res = new JDBC4ResultSet ( this . sysCatalog , vtable ) ; return res ; }
Retrieves the schema names available in this database.