Release overview

In this released we focused on delivering quality client libraries as well as stability improvements on the database core. Here is the list of client libraries that support both TLS and ILP authentication:

• Go
• C#
• C
• C++
• Java

Gotchas

None when you are upgrading from the start or 6.3. It is just software update. If you're upgrading from 6.2.1 or earlier, please refer to the gotchas of 6.3

What is new

ILP

• new Java client API for ILP ingestion, with support for authentication and encryption by @jerrinot in https://github.com/questdb/questdb/pull/2184

CORE

• run as questdb user in docker by @mariusgheorghies in https://github.com/questdb/questdb/pull/2281
• use critical level to log all unhandled errors by @puzpuzpuz in https://github.com/questdb/questdb/pull/2290

SQL

• added DROP INDEX for dropping symbol column index by @marregui in https://github.com/questdb/questdb/pull/2183
• reader pool observability by @jerrinot in https://github.com/questdb/questdb/pull/2315

What we fixed

CORE

• fix issue when SELECTS do not see committed data by @ideoma in https://github.com/questdb/questdb/pull/2299

SQL

• fix fd leak in tables() function by @bziobrowski in https://github.com/questdb/questdb/pull/2276
• fix crash for group by on cross join with aggregate sub-query by @puzpuzpuz in https://github.com/questdb/questdb/pull/2284
• fix table reader leak in over partition by symbol column queries by @puzpuzpuz in https://github.com/questdb/questdb/pull/2282
• fix NPE when LATEST ON is combined with a single symbol IN filter by @jerrinot in https://github.com/questdb/questdb/pull/2292
• parse negative zero by @jerrinot in https://github.com/questdb/questdb/pull/2304
• fix async filtering returning wrong result when timed out by @ideoma in https://github.com/questdb/questdb/pull/2301
• fix bugs in string functions; add memory limit to replace() by @bziobrowski in https://github.com/questdb/questdb/pull/2314
• nulls in concat function args are ignored by @HeZean in https://github.com/questdb/questdb/pull/2320

Full Changelog: https://github.com/questdb/questdb/compare/6.4.2...6.4.3