public static TableRef valueOf(String tableName) {
        if (tableName == null) {
            throw new IllegalArgumentException("TableName cannot be null.");
        }
        String[] components = tableName.split("\\.");
        return TableRef.valueOf(components);
    }
public static TableRef valueOf ( String tableName ) { if ( tableName == null ) { throw new IllegalArgumentException ( "TableName cannot be null." ) ; } String [ ] components = tableName . split ( "\\." ) ; return TableRef . valueOf ( components ) ; }
Creates an instance from a table name
<p/>
<p>The  table name must have the format [&LT;catalog&GT;.][&LT;schema&GT;.]&LT;tablename&GT;.
if the catalog or schema component is empty, the catalog or schema will be set to
<code>null</code>.</p>

@param tableName the table name
@return a <code>TableRef</code> for the table identified by the specified table name.
@throws IllegalArgumentException if the tableName parameter is null