1. A computer-implemented method, comprising: receiving, by a computer system configured to execute computer-executable instructions, a continuous query, the continuous query being identified based at least in part on an archived relation associated with an application; generating a physical query plan for the continuous query; determining that an operator identified in the physical query plan is capable of constructing an archiver query; constructing a structured query language (SQL) equivalent expression corresponding to an attribute utilized by the operator; constructing an output SQL expression for the identified operator based at least in part on the SQL equivalent expression; constructing the archiver query for the identified operator based at least in part on the output SQL expression; identifying that the operator is a query operator; executing the archiver query to obtain a result set of data records related to the application; and generating a snapshot output of one or more data values related to the application based at least in part on the result set of data records.