aio

Return WHERE clause predicates for (a)search() given metadata filter and before config.

This method returns a tuple of a string and a tuple of values. The string is the parametered WHERE clause predicate (including the WHERE keyword): "WHERE column1 = ? AND column2 IS ?". The tuple of values contains the values for each of the corresponding parameters.

An asynchronous checkpoint saver that stores checkpoints in a SQLite database.

This class provides an asynchronous interface for saving and retrieving checkpoints using a SQLite database. It's designed for use in asynchronous environments and offers better performance for I/O-bound operations compared to synchronous alternatives.