Bump org.questdb:questdb from 7.3.9 to 8.2.3 in /modules/questdb

[dependabot]

Bumps org.questdb:questdb from 7.3.9 to 8.2.3.

Release notes

Sourced from org.questdb:questdb's releases.

8.2.3 is a stability release, fixing tricky edge cases and increasing the performance of some key queries. These fixes cover many different aspects of the database - better handling of bind variables, faster ORDER BY and LIMIT, reduced memory usage, reduced disk storage for indexes, and more.

Many of these changes are driven by user feedback, so thanks to all of you whom have helped us to improve QuestDB!

We've also been hard at work on our roadmap features, and are excited to bring you an initial BETA release for Materialized Views! We will be finalising this feature in the next release, and upgrading it to support more of the SAMPLE BY syntax.

Along with this, we have added a number of quality-of-life features, some performance enhancements for filtering and distinct queries, and compatibility improvements for older Linux distros.

We have also made strong progress towards bringing the new ARRAY type, so keep an eye out in our upcoming releases. These are N-dimensional arrays and are heavily optimised for numeric operations. As part of the ARRAY development, we will be rolling out the first modifications to the ILP clients, to introduce parts of a new binary protocol. This will ensure that throughput is maximised especially for sending arrays and numeric data.

For any questions or feedback, please join us on Slack or on Discourse!

See also our prettier release notes page!

Breaking changes 💥

• UUID and LONG256 types will now be sorted correctly, respecting unsigned ordering. Previously, they would sort incorrectly. This is a breaking change - but the correct one!

• You now cannot use SAMPLE BY and GROUP BY in the same query. This wasn't really supported before, as SAMPLE BY is already a group by, and this can cause ambiguity in the query. Now this is enforced, so you should use a subquery for the SAMPLE BY, and move your GROUP BY to an outer query. You should not notice any performance change from this, simply a syntax change.

Highlights

• Materialized views has been released in BETA
  • Materialized views are tables driven by a SAMPLE BY query, which are incrementally updated for you whenever new data is written to their parent table.
  • These views help you to downsample data automatically, cache the latest values, and filter out subsets of data from your main table.
  • See the docs to get started and try it out!
• Relaxed GLIBC requirement (2.28 aarch64 and 2.17 amd64) to allow QuestDB run on older Linux distros
• New dense_rank() window function
  • This is like rank(), but guarantees that the ranking numbers are sequential - no gaps!
  • See the docs.
• New approx_median() function
  • This is a quicky and easy way to calculate a median value for your data set. It is equivalent to approx_percentile(_, 0.5).
  • See the docs.
• Performance optimisations giving significant speedups (up to 30x) for certain queries
  • IN with subqueries (especially with SYMBOL type) - value IN (select column .... )
  • SELECT DISTINCT queries

Changelist

• fix(core): relax minimal required glibc version to 2.17 on amd64 by @​jerrinot in questdb/questdb#5332
• fix(sql): spurious query cancellation on high server load by @​puzpuzpuz in questdb/questdb#5342
• fix(http): memory leak when querying tables with changing metadata by @​puzpuzpuz in questdb/questdb#5353
• fix(core): edge-case memory leak during disk failure fixed by @​jerrinot in questdb/questdb#5349
• fix(http): fix connection leak under memory pressure by @​ideoma in questdb/questdb#5355
• fix(sql): fix UnsupportedOperationException thrown when sorting an IPv4 column by @​nwoolmer in questdb/questdb#5365
• fix(sql): SHOW CREATE TABLE provides invalid ddl when table is not partitioned by @​nwoolmer in questdb/questdb#5361
• feat(SQL): refactor rank() windowFunction and introduce dense_rank() windowFunction by @​kafka1991 in questdb/questdb#5334
• fix(core): relax minimal required glibc version to 2.28 on aarch64 by @​jerrinot in questdb/questdb#5340
• fix(core): fix occasional config parsing error when the context path is set per service by @​glasstiger in questdb/questdb#5378
• fix(sql): NullPointerException in invalid sample by query by @​puzpuzpuz in questdb/questdb#5354

... (truncated)

Commits

• be9d028 [maven-release-plugin] prepare release 8.2.3
• 14f3610 chore(ui): upgrade web console to 0.7.7 (#5496)
• f9d3344 test(pgwire): fix racy test with thread-local memory leak (#5494)
• 5fa15b6 perf(sql): stricter column pre-touch in parallel filter queries (#5481)
• 3ddf049 chore(ilp): make ilp concurrent add column log info level (#5490)
• 5104506 chore(utils): include pg driver into utils jar (#5484)
• 133eeb9 chore(core): refactoring for explain create table/mat view ent fixes (#5474)
• 3f88694 fix(core): fix rare ILP commit exception when writing large string values (#5...
• 3f603ea fix(sql): Function args in GreatestNumericFunction and `LeastNumericFunctio...
• 311354f fix(sql): fix inefficient execution of symbol-in-cursor queries (#5445)
• Additional commits viewable in compare view

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