timescaledb

v2.27.2 Bugfix

This release fixes issues for SREs watching stability and regressions.

Published 1d Relational Databases

✓ No known CVEs patched

✓ No known CVEs patched in this version

Topics

analytics database financial-analysis iot postgresql sql

+5 more

tigerdata time-series time-series-database timescaledb tsdb

Summary

AI summary

Fixed crashes and wrong results when grouping by columns not in SELECT with vectorized aggregation or columnar index scan.

Type	Severity	Summary	CVE
Bugfix
Bugfix	Medium	Skips ColumnarIndexScan when the qual contains a SubPlan. Skips ColumnarIndexScan when the qual contains a SubPlan. Source: llm_adapter@2026-06-02 Confidence: high	—
Bugfix	Medium	Fixes crashes and wrong results when grouping by non‑selected columns with vectorized aggregation or columnar index scan. Fixes crashes and wrong results when grouping by non‑selected columns with vectorized aggregation or columnar index scan. Source: llm_adapter@2026-06-02 Confidence: low	—
Bugfix	Low	Removes refresh policy check when adding columnstore policy. Removes refresh policy check when adding columnstore policy. Source: llm_adapter@2026-06-02 Confidence: high	—

Full changelog

This release contains bug fixes since the 2.27.1 release. We recommend that you upgrade at the next available opportunity.

Bugfixes

#9895 Remove refresh policy check when adding columnstore policy
#9902 Fix wrong results and crashes when grouping by columns that are not in the SELECT list with vectorized aggregation or columnar index scan
#9908 Skip ColumnarIndexScan when the qual contains a SubPlan

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About timescaledb

A time-series database for high-performance real-time analytics packaged as a Postgres extension

v2.27.0 Bloom filter sparse indexes on compressed int2 columns may miss matching rows; upgrade requires manual index dropping