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@psarna psarna released this 17 Nov 12:11
· 2310 commits to main since this release
v0.3.0
75345fc

he Scylla team is pleased to announce Scylla Rust Driver 0.3.0,
an asynchronous CQL driver for Rust, optimized for Scylla, but also compatible with Apache Cassandra!

Notable changes

  • Connection management is heavily revamped:
    • a configurable pool of connections is kept per node or per shard (Scylla only)
    • shard awareness is now also supported without a dedicated shard-aware port (Scylla only)
    • several optimizations were applied to make this layer more robust
  • A CachingSession class is introduced - it allows creating a session which automatically prepares its statements
    and maintains them in a local cache.
  • Colummn values can now be extracted from result rows by the column name, not only by their index.
  • Handling user defined types is improved - when a new field is added to the type, the driver is now still capable of reading the values.
  • A ValueList derive macro is now available - when it's applied to a struct, an instance of this struct can be used as a list of values in queries.
  • Client-side timestamps can now be defined for queries.
  • Tuples with null elements are now handled correctly.
  • Serial consistency level (for lightweight transactions) is now split into a separate type in order to make it clear that it should not be mixed with regular consistency level.
  • Shorter topology names, e.g. "SimpleStrategy" are now recognized and accepted.
  • Internal queries now use paging internally in order to avoid overloading the cluster and the driver with large requests.
  • Serialization path got optimized.
  • lots of other fixes and improvements

Congrats to all contributors and thanks everyone for using our driver!

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