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timescale/timescaledb

An open-source time-series SQL database optimized for fast ingest and complex queries. Packaged as a PostgreSQL extension.

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Timescaledb 2.11.0

Timescaledb: 2.11.0 Release

Release date:

May 19, 2023

Previous version:

2.10.3 (released April 26, 2023)

Magnitude:

10,130 Diff Delta

Contributors:

23 total committers

Data confidence:

Commits:

117

168 Features Released with 2.11.0

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Top Contributors in 2.11.0

erimatnor

akuzm

sb230132

jnidzwetzki

svenklemm

antekresic

fabriziomello

mkindahl

pmwkaa

nikkhils

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Release Notes Published

This release contains new features and bug fixes since the 2.10.3 release. We deem it moderate priority for upgrading.

This release includes these noteworthy features: * Support for DML operations on compressed chunks: * UPDATE/DELETE support * Support for unique constraints on compressed chunks * Support for ON CONFLICT DO UPDATE * Support for ON CONFLICT DO NOTHING * Join support for hierarchical Continuous Aggregates

Features * #5212 Allow pushdown of reference table joins * #5261 Improve Realtime Continuous Aggregate performance * #5252 Improve unique constraint support on compressed hypertables * #5339 Support UPDATE/DELETE on compressed hypertables * #5344 Enable JOINS for Hierarchical Continuous Aggregates * #5361 Add parallel support for partialize_agg() * #5417 Refactor and optimize distributed COPY * #5454 Add support for ON CONFLICT DO UPDATE for compressed hypertables * #5547 Skip Ordered Append when only 1 child node is present * #5510 Propagate vacuum/analyze to compressed chunks * #5584 Reduce decompression during constraint checking * #5530 Optimize compressed chunk resorting * #5639 Support sending telemetry event reports

Bugfixes * #5396 Fix SEGMENTBY columns predicates to be pushed down * #5427 Handle user-defined FDW options properly * #5442 Decompression may have lost DEFAULT values * #5459 Fix issue creating dimensional constraints * #5570 Improve interpolate error message on datatype mismatch * #5573 Fix unique constraint on compressed tables * #5615 Add permission checks to run_job() * #5614 Enable run_job() for telemetry job * #5578 Fix on-insert decompression after schema changes * #5613 Quote username identifier appropriately * #5525 Fix tablespace for compressed hypertable and corresponding toast * #5642 Fix ALTER TABLE SET with normal tables * #5666 Reduce memory usage for distributed analyze * #5668 Fix subtransaction resource owner * #5680 Fix DISTINCT query with JOIN on multiple segmentby columns

Thanks * @kovetskiy and @DZDomi for reporting peformance regression in Realtime Continuous Aggregates * @ollz272 for reporting an issue with interpolate error messages * @ericdevries for reporting an issue with DISTINCT queries using segmentby columns of compressed hypertable