If the value of attrsToGet is null, the value of result is a list of object names that match the specified attribute condition. If the value of attrsToGet is non-null, results is a list of objects that matched the specified attrConditions, where each object consists of:
columns - Lists displayable column names that match the requested attrsToGet
rows - Lists row objects named from 0 to the number of rows (for example, ”10’)
row - Lists objects that consist of a name from ”0’ to the number of columns (for example, ”6’) and a value for that rows column