Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Control flow of query processing. Complex queries follow logical parsing steps indicated in this decision tree. Based on the presence of multiple clauses, timestamps, multiple column constraints and sorting, the liststreamkeys, a binary search of timestamps, filtering of constraints and the sorted functions are used to prepare queries before the data structure is delivered
