Abstract: Examples described herein are generally directed to facilitating access to container state through multiple protocols. According to an example, a distributed state store is provided in which container state is accessible by multiple client containers via nodes of the distributed state store across which the container state is replicated. Responsive to receipt from a first client container of a storage request via a first application programming interface (API) method of the distributed state store that is associated with a first protocol, the container state is stored within the distributed state store. Responsive to receipt from a second client container of an access request via a second API method of the distributed state store that is associated with a second protocol, the container state is returned to the second client container via the second protocol.

Abstract: There is provided a computer-implemented method of optimizing a query. An exemplary method comprises receiving a first query configured to generate a result set. The query may comprise an operation for an outer table, a first predicate, and a second predicate. The second predicate may comprise a subquery correlated to the operation. Additionally, the first predicate and the second predicate may be disjunctive. The exemplary method also comprises generating a first query tree representing the first query, and generating a second query tree representing a second query. The second query may be configured to generate the result set, and may not comprise the subquery. The exemplary method additionally comprises generating a query plan based on the second query tree.

Abstract: There is provided a computer-implemented method of optimizing a query. An exemplary method comprises receiving a first query configured to generate a result set. The query may comprise an operation for an outer table, a first predicate, and a second predicate. The second predicate may comprise a subquery correlated to the operation. Additionally, the first predicate and the second predicate may be disjunctive. The exemplary method also comprises generating a first query tree representing the first query, and generating a second query tree representing a second query. The second query may be configured to generate the result set, and may not comprise the subquery. The exemplary method additionally comprises generating a query plan based on the second query tree.